Mid ka mid ah sifooyinka kordhiya waxqabadka AMD Ryzen processors waa Precision Boost , kaas oo kor u qaadaya inta jeer ee qalabka processor-ka marka culeyska shaqada uu kordho, iyada oo la ilaalinayo isticmaalka tamarta iyo heerkulka labadaba. Haddii aad eegto BIOS -ka Motherboard-ka, waxa kale oo aad arki kartaa ereyo kale sida PBO ( Precision Boost Overdrive ) iyo AutoOC ( Auto OverClocking ). Waxaa laga yaabaa inaad ku wareerto waxay ula jeedaan, waxay qabtaan, iyo inay si dhab ah kor ugu qaadi karaan waxqabadka aad hesho. Si loo hubiyo in PBO iyo AutoOC ay isbedel sameeyaan, waxaan go'aansanay inaan ku tijaabino AMD Ryzen 73700X processor. Akhri oo arag saamaynta ay sifooyinkan ku leeyihiin waxqabadka guud ee aad hesho:

Waa maxay AMD 's PBO ( Precision Boost Overdrive ), iyo AutoOC ( AutoOto OverClocking^{(Auto OverClocking)} )?

Jiilka 3aad ee Ryzen soo-saareyaasha ayaa bixiya PBO iyo AutoOC labadaba^(AutoOC) . PBO waxay ka timaaddaa Precision Boost Overdrive waxayna awood u siinaysaa processor-kaaga AMD 3rd Gen Ryzen inuu ilaaliyo tamarta sare ee waqtiyada dheer, haddii Motherboard-ka Voltage Regulator Modules ( VRM ) uu xamili karo, iyo haddii heerkulka processor-ku aanu aad u sarreyn. Kordhinta saxda ah ee Overdrive^{(Precision Boost Overdrive)} maahan wax la mid ah kor u qaadida saxda^{(Precision Boost)} ah, kaas oo horey u maamula saacada kor u qaadista saamiyada ee processor-ka. PBO waxay ka dhigan tahay koronto badan oo dhexmarta Ryzen kaaga^(Ryzen)Processor-ka, laakiin waa haddii ay awood u yeelan karto. Natiijada PBO ayaa ah in laga yaabo inay ogolaato saacadaha kor u kaca ee CPU haddii awooda iyo xaaladaha kulaylka ee aan soo sheegnay dhamaantood la buuxiyo.^{(A consequence of PBO is that it might allow for higher CPU boost clocks if the power and thermal conditions that we mentioned are all met.)}

AutoOC ama Auto OverClocking waa deminta hab-dhaqanka kobcinta processor-ka, kaas oo aad dejin karto ugu badnaan ilaa 200 MHz in ka badan saacadda kor u qaadista ugu sarreysa ee CPU . Markaa^(Thus) , AutoOC waxay^(AutoOC) u ogolaataa soo-saareyaasha AMD Ryzen inay si toos ah u riixaan saacadaha kor u qaadista ugu badan. Haddii tamarta ugu badan ee la ogol yahay aan la dhaafin, AutoOC waa inay kordhisaa waxqabadka hal-core processor-ka Ryzen^{(AutoOC should be able to increase the single-core performance of a Ryzen processor)} . Intaa waxaa dheer, inkasta oo aysan ka mid ahayn PBO , AutoOCwaxa loo isticmaali karaa iyada oo lala kaashanayo si loogu ogolaado saacadaha kor u kaca ee processor-kaaga. Si kastaba ha ahaatee, awood-siinta macnaheedu maaha in processor-ku uu si dhab ah u gaadhay saacad kor u kac ah oo ka sarreysa midka uu sheegay soo saaraha. Aragti ahaan, waxay u ogolaataa processor-ku inuu taas sameeyo, kaliya haddii danabyada iyo xadka kulaylka aan la dhaafin.

Awood u siinta PBO iyo AutoOC ee processor-ka AMD Ryzen 7 3700X

Ryzen 7 3700X waa processor-ka degdega ah ee la socda 8 nooc oo jireed iyo 16 dun. Waxay ku shaqeysaa inta jeer ee saamiga 3600 MHz waxayna kor u qaadi^(boost) kartaa ilaa 4.4 GHz . AMD waxay dhistay Ryzen 7 3700X iyadoo adeegsanaysa naqshada cusub ee shirkadda Zen 2 CPU , oo ku socota habka wax soo saarka ee 7-nanometer. Kaliya maahan dhakhso, laakiin sidoo kale waxay la socotaa TDP hoose oo kaliya 65 Watts.

Sababtoo ah waxaan rabnay inaan aragno haddii u soo jeesashada PBO iyo AutoOC ay isbeddel ku sameyn doonaan AMD Ryzen 7 3700X, waxaan go'aansanay inaan sameyno qaar ka mid ah bartilmaameedyada. Laakiin marka hore, waa kan aaladda qalabka aan ku tijaabinnay:

• Motherboard: ASUS ROG Crosshair VIII Hero (Wi-Fi)
• Qaboojiyaha: ROG Ryou 120
• Xusuusta: HyperX Predator DDR4 RGB Xusuusta^{(HyperX Predator DDR4 RGB Memory)} (2 x 8GB, 3600MHz)
• Kaarka garaafyada: ASUS ROG STRIX GTX 1660 Ti GAMING OC
• Kaydinta: ADATA XPG Gammix S11 Pro SSD
• Kormeere: ASUS ROG Strix XG32VQ Curved Gaming Monitor (32-inch WQHD 2560 x 1440, 144Hz)
• Cutubka Korontada: ASUS ROG Thor 850W Platinum
• Nidaamka hawlgalka: Windows 10 Pro x64 oo wata May 2019 Cusbooneysii^{(May 2019 Update)}

Hooyadayada ASUS ROG Crosshair VIII Hero ( Wi-Fi ) Motherboard-ku wuxuu ku saleysan yahay chipset-ka X570 wuxuuna bixiyaa ^(X570)UEFI BIOS heer sare ah . Nidaamyada aan xiisayneyno waxay ku yaalliin boggooda Tweaker Extreme^{(Extreme Tweaker)} , halkaas oo aad awood u yeelan karto "Precision Boost Overdrive" , iyo sidoo kale dejinta qiimaha AutoOC Offset (ee Motherboard-keena, waxaa loo yaqaan "Max CPU Boost Clock Override" ) ugu badnaan 200 MHz . Aragti ahaan^{(Theoretically)} , taasi waxay ka dhigan tahay in processor-ku loo oggol yahay inuu ka dhaafo saacadda kor u kaca ee kaydka 4.4 GHz ilaa 4.6 GHz .

Si loo arko in waxqabadka processor-ku uu ka wanaagsan yahay ama ka sii xun yahay, waxaanu wadnay isla jaangooyooyin isku mid ah saddex jeer: hal mar iyadoo CPU -gu ku shaqeynayo goobaha saamiyada, mar PBO karti u leh, iyo mar PBO karti u leh iyo AutoOC waxay dejisay dhimis lagu daray 200 MHz .

Dhammaan bartilmaameedyada waxaa lagu maamulay Windows 10 Pro , nooca 1903, dhis 18362.418, iyo darawaladii ugu dambeeyay ee la heli karo.

Aynu aragno waxa natiijooyinka aan ku soo qaadannay ciyaaro iyo bartilmaameedyo, inta aan ku shaqeynayno amd ryzen 7^{(AMD Ryzen 7)} 3700x oo ku saabsan meelaynta saamiyada, oo leh PBO karti leh, iyo markii la dejiyay PBO & AutoOC +200 MHz :

PBO iyo AutoOC miyay^(AutoOC) ku siinayaan kor u qaadida waxqabadka?

Halbeeggii ugu horreeyay ee aan ku orday waxay ahayd tii CPU-Z . Hal -string-ka^{(Single-Thread)} , kaas oo falanqeynaya waxqabadka hal-core ee processor-ka, wuxuu muujiyay horumar yar oo xawaaraha labadaba marka la shido "Precision Boost Overdrive" iyo marka uu awood PBO + AutoOC . Si kastaba ha ahaatee, xawaaruhu wuxuu kordhay wax yar: 0.39% PBO , iyo 1.37% PBO iyo AutoOC . Kuwani waa buundooyin ku yaal aagga kala duwanaanshiyaha imtixaanka, markaa uma aragno inay yihiin kuwo dhammaystiran.

Gudaha CPU-Z Multi-string^{(CPU-Z Multi-Thread)} , kaas oo tijaabiya waxqabadka asaasiga ah ee badan, dejinta "Precision Boost Overdrive" ee loogu talagalay AMD Ryzen 7 3700X waxay u muuqatay inay bixiso horumarin waxqabad yar, marka la barbardhigo labadaba ku shaqeeya CPU ee goobaha saamiyada (0.84% ​​ka sii fiican ), oo shid AutoOC^(AutoOC) (0.77% ka fiican). In kasta oo ay u muuqato mid aan fiicneyn, natiijooyinkani waxay sidoo kale ku jiraan xadka kala duwanaanshaha tijaabada.

In Cinebench R20 , kaas oo qiimeeya xawaaraha processor-ka marka la bixinayo sawirada, awood PBO waxay keentay 1.78% hagaajin, iyo soo jeedinta AutoOC^(AutoOC) waxay keentay 2.20% hagaajinta saamiyada saamiyada. In kasta oo aanay wax badan ahayn, haddana waxa aynu odhan karnaa waxa jira kor u kac yar oo ka imanaya socodsiinta Processor-ka oo ku jira cilladaha warshadda.

Gudaha Blender , bartilmaameed kale oo wax-qabad ah, AMD Ryzen 7 3700X wuxuu sameeyay xoogaa si ka sii wanaagsan markii aan karti u siinnay "Kor u qaadida Saxda ah ee Overdrive"^{("Precision Boost Overdrive")} , laakiin markaan sidoo kale shidnay is-dhaafsiga otomaatiga ah, way ka sii darnayd socodsiinta saamiyada.

PCMark 10 waxa ay noo sheegaysaa sida uu processor-ku awood ugu leeyahay hawlaha xisaabinta ee maalinlaha ah, sida browsing web, conferencing video, apps-up times-up times, wax soo saarka, iyo abuurista nuxurka dhijitaalka ah. Halbeeggaan, 3700X wuxuu helay dhibco ka wanaagsan marka uu ku socdo goobaha caadiga ah marka loo eego sidii uu sameeyay markii "Precision Boost Overdrive" iyo PBO + AutoOC la kartiyeeyay.

Si la yaab leh, 7-Zip 's tijaabinta isku-buufinta, u - rogista PBO^(PBO) waxay la macno tahay xawaare yar (4%) marka loo eego marka processor-ku ku socdo goobaha caadiga ah ama marka uu awood siinayo "Precision Boost Overdrive" iyo AutoOC.

Imtixaankii depression, waxaan ku aragnay wax la mid ah: awood PBO oo kaliya macnaheedu waa hoos u dhac yar oo waxqabadka ah. Iyadoo PBO karti loo leeyahay, Ryzen 7 3700X wuxuu ahaa 0.30% gaabis marka loo eego marka lagu shaqeynayo goobaha warshadaha, iyo 1.11% ka hooseeya marka uu sidoo kale shido AutoOC^(AutoOC) . Awood-siinta labadaba "Precision Boost Overdrive" iyo AutoOC , processor-ku wuxuu ahaa 0.50% ka dhaqso badan iyaga la'aantood.

JetStream 2^{(JetStream 2)} , barta shabakada shabakada internetka ee aan ku dhex soconay Google Chrome , awood PBO iyo PBO + AutoOC macnaheedu waa wax la mid ah: wax yar oo 1.35% ah ayaa kordhay waxqabadka.

Ciyaartoyda, waxaan sidoo kale tijaabinay dhowr ciyaarood: Hooska Tomb Raider , Metro Exodus , iyo Dagaalkii Adduunka^{(World War Z)} Z. Waxaan u dejinay iyaga inay ku shaqeeyaan xallinta 1920 x 1080 pixels iyo tafatirka sawirada ugu hooseeya ee la heli karo, si kaadhka garaafyada aanu u cidhiidhin Ryzen 7 3700X.

Hooska Tomb ^(Shadow)Raider^{(Tomb Raider)} , cabbirka CPU Render wuxuu muujiyay in midna awood u siinin PBO^(PBO) ama PBO + AutoOC , uusan lahayn wax faa'iidooyin ah. Waxaan helnay barafyo badan ilbiriqsikii iyadoon "Precision Boost Overdrive" iyo otomaatig-dhaaf ah.

Baxniintii Metro^{(Metro Exodus)} , tirada fiilooyinka ilbiriqsigiiba waxay ahaayeen kuwo isku mid ah iyadoon loo eegin sida aan u habeynay AMD Ryzen 7 3700X, in kasta oo awood 'Precision Boost Overdrive' ay^{('Precision Boost Overdrive")} ka dhigan tahay hal qaab oo ka yar.

Dagaalkii Adduunka Z^{(World War Z)} wuxuu ahaa ciyaarta kaliya ee aan ku aragnay waxqabad ka wanaagsan markii aan shidnay PBO^(PBO) (3 fareemo dheeraad ah), iyo sidoo kale markii awood u siinaysa AutoOC (8 fareemo dheeraad ah).

Si aad fikrad uga hesho inta heerkulka Processor-ku uu saameeyay annagoo awood u siinaya "Precision Boost Overdrive " , waxaanu samaynay xoogaa gal-gal ah anagoo adeegsanayna HWiNFO anagoo^(HWiNFO) adeegsanayna Prime95 . Intii uu ku socday goobaha warshadda, processor-ku kama uu kululayn 89 darajo Celsius . Si kastaba ha ahaatee, iyadoo PBO iyo PBO + AutoOC karti u yeesheen, processor-ku wuxuu gaaray 95 darajo Celsius , taas oo ah heerkulka ugu sarreeya ee rasmiga ah.

Sida la filayo, awood u yeelashada PBO iyo AutoOC waxay^(AutoOC) sidoo kale ka dhigan tahay isticmaalka tamarta sare. Processor-yareyagu wuxuu ka yimid 90 Watts goobaha warshadda, ilaa 100 Watts oo leh "Precision Boost Overdrive" shidmay , iyo ilaa 117 Watts markii AutoOC sidoo kale la furay.

Waxaan sidoo kale galnay inta jeer ee kor u qaadista ugu badan hal xudun. Waxa aan helnay ayaa ahaa mid la yaab leh: Ryzen 7 3700X wuxuu gaaray 4392 MHz hal xudun marka uu ku shaqeynayo goobtiisa saamiyada, kaas oo aad ugu dhow xayaysiiskiisa 4.4 GHz saacada kor u qaadista ugu badan. Si kastaba ha ahaatee, markii aanu awoodnay "Kor u qaadida Saxda ah ee Overdrive^{("Precision Boost Overdrive)} , " inta jeer ee kor u kaca ayaa ka hooseeya 4367 MHz , iyo marka aan sidoo kale shidno AutoOC^(AutoOC) , xitaa way ka hoosaysay, 4342 MHz . Dhab ahaantii maaha sidii aan filaynay.

Gabagabo: Ma jirto sabab loo isticmaalo Precision Boost Overdrive iyo AutoOC

Gabagabadayagu waa in "Precision Boost Overdrive" ama PBO + AutoOC aysan u qalmin in la awoodsiiyo haddii aad isticmaalayso AMD Ryzen 7 3700X:

• Guulaha waxqabad ee bartilmaameedyadu waa isku dhafan yihiin. In kasta oo aad heli karto kor u qaadista xawaaraha boqolkiiba hal, marar badan, waxaad helaysaa wax qabad yar
• Ciyaaraha qaarkood waxa aad helaysaa dhawr xidhmooyin dheeraad ah ilbiriqsikii, laakiin kuwa kale waxa aad helaysaa xidhmo ka yar ilbiriqsikii
• Heerkulka processor-ka iyo isticmaalka korontadu labaduba way kordheen, sababtoo ah koronto badan oo la isticmaalo

Sidaa darteed natiijooyinkeena isku dhafan, waxaan go'aansanay inaan ku sii hayno AMD Ryzen 7 3700X "Dib-u-qaadista saxda ah ee Overdrive"^{("Precision Boost Overdrive")} , maadaama aan aragno faa'iido dhab ah oo ku saabsan awoodsiinta. Fikradeena , iyo ugu yaraan meeshan, PBO iyo AutoOC waxay sameeyaan waxyeello ka badan tan wanaagsan. Ma jiraan wax faa'iido nololeed oo dhab ah oo halkan lagu arki karo, kaliya heerkulka sare iyo isticmaalka tamarta, taas oo maskaxdeena ka tarjumaysa oo kaliya hoos u dhaca cimriga processor-ka iyo biilka koronto oo sarreeya. Si kastaba ha noqotee, arrimuhu way isbedeli karaan mustaqbalka, maadaama AMD ay sii deyso AGESA firmware cusub, iyo BIOS-yada^(BIOSes) cusub waxaa sidoo kale siidaaya soosaarayaasha hooyada. Waa inaan sugno oo aragnaa.

Does AMD's PBO (Precision Boost Overdrive), and AutoOC (Auto OverClocking) increase performance?

One of the features that increases the pеrformance of AMD Ryzen рrocessors is Precision Boost, which raises the frequency of the processor's cores when the workload increases, while keeping both the energy consumption and the temperature in check. If you look into the BIOS of your motherboard, you can also see other terms like PBO (Precision Boost Overdrive) and AutoOC (Auto OverClocking). You may be confused by what they mean, what they do, and whether they can truly enhance the performance you get. To check whether PBO and AutoOC do make a difference, we decided to test them on an AMD Ryzen 7 3700X processor. Read on and see the impact of these features on the overall performance you get:

What are AMD's PBO (Precision Boost Overdrive), and AutoOC (Auto OverClocking)?

The 3rd generation Ryzen processors offer both PBO and AutoOC. PBO comes from Precision Boost Overdrive and enables your AMD 3rd Gen Ryzen processor to maintain higher voltages for longer times, if the motherboard's Voltage Regulator Modules (VRM) can handle them, and if the temperature of the processor does not get too high. Precision Boost Overdrive is not the same thing as Precision Boost, which already handles the stock boost clock of the processor. PBO means more electrical power going through your Ryzen processor, but only if it can handle it. A consequence of PBO is that it might allow for higher CPU boost clocks if the power and thermal conditions that we mentioned are all met.

AutoOC or Auto OverClocking is an offset for the processor's boost behaviour, which you can set at a maximum of up to 200 MHz more than the default maximum boost clock of the CPU. Thus, AutoOC lets AMD Ryzen processors automatically push past their maximum boost clocks. If the maximum voltage allowed is not exceeded, AutoOC should be able to increase the single-core performance of a Ryzen processor. Furthermore, although it is not part of PBO, AutoOC can be used in conjunction with it to allow higher boost clocks for your processor. However, enabling it does not mean that the processor truly reaches a higher boost clock than the one specified by its manufacturer. In theory, it allows the processor to do that, only if voltages and thermal limits are not overstepped.

Enabling PBO and AutoOC on an AMD Ryzen 7 3700X processor

The Ryzen 7 3700X is a fast processor that comes with 8 physical cores and 16 threads. It runs at a stock frequency of 3600 MHz and can boost up to 4.4 GHz. AMD built the Ryzen 7 3700X using the company's new Zen 2 CPU architecture, on a 7-nanometer manufacturing process. It's not just fast, but it also comes with a low TDP of just 65 Watts.

Because we wanted to see whether turning PBO and AutoOC on would make a difference on our AMD Ryzen 7 3700X, we decided to run some benchmarks. But first, here is the hardware platform on which we tested it:

• Motherboard: ASUS ROG Crosshair VIII Hero (Wi-Fi)
• Cooler: ROG Ryou 120
• Memory: HyperX Predator DDR4 RGB Memory (2 x 8GB, 3600MHz)
• Graphics Card: ASUS ROG STRIX GTX 1660 Ti GAMING OC
• Storage: ADATA XPG Gammix S11 Pro SSD
• Monitor: ASUS ROG Strix XG32VQ Curved Gaming Monitor (32-inch WQHD 2560 x 1440, 144Hz)
• Power Supply Unit: ASUS ROG Thor 850W Platinum
• Operating System: Windows 10 Pro x64 with May 2019 Update

Our ASUS ROG Crosshair VIII Hero (Wi-Fi) motherboard is based on the X570 chipset and offers an excellent UEFI BIOS. The settings that we were interested in are available on its Extreme Tweaker page, where you can enable "Precision Boost Overdrive", as well as set the AutoOC Offset value (on our motherboard, it's called "Max CPU Boost Clock Override") to a maximum of 200 MHz. Theoretically, that means that the processor is allowed to overclock its boost clock from stock 4.4 GHz up to 4.6 GHz.

To see whether the processor performance is better or worse, we ran the same benchmarks three times: once with the CPU running at stock settings, once with PBO enabled, and once with PBO enabled and AutoOC set at an offset of plus 200 MHz.

All the benchmarks were run on Windows 10 Pro, version 1903, build 18362.418, and the latest drivers available.

Let's see what results we have had in games and benchmarks, while running our AMD Ryzen 7 3700X on stock settings, with PBO enabled, and when set to use PBO & AutoOC +200 MHz:

Do PBO and AutoOC give you a performance boost?

The first benchmark that we ran was the one in CPU-Z. The Single-Thread, which analyzes the single-core performance of the processor, showed a small improvement in speed both when turning "Precision Boost Overdrive" on and when enabling PBO + AutoOC. However, the speed increased only by a little: 0.39% with PBO, and 1.37% with PBO and AutoOC. These are scores within the testing variability zone, so we do not find them conclusive.

In CPU-Z Multi-Thread, which tests the multi-core performance, setting "Precision Boost Overdrive" on for the AMD Ryzen 7 3700X seemed to offer a tiny performance improvement, compared to both running the CPU at stock settings (0.84% better), and turning on AutoOC (0.77% better). Although it looks odd, these results are also within the testing variability margin.

In Cinebench R20, which evaluates the processor's speed when rendering images, enabling PBO resulted in a 1.78% improvement, and turning AutoOC on resulted in a 2.20% improvement over stock settings. Although it is not much, we can say that there is a small boost from running the processor at its factory defaults.

In Blender, another rendering benchmark, the AMD Ryzen 7 3700X performed marginally better when we enabled "Precision Boost Overdrive", but when we also turned on auto-overclocking, it was worse than running stock.

PCMark 10 tells us how capable a processor is in daily computing tasks, such as web browsing, video conferencing, apps start-up times, productivity, and digital content creation. In this benchmark, the 3700X got a better score when running at default settings than it did when "Precision Boost Overdrive" and PBO + AutoOC were enabled.

Oddly, in 7-Zip's compression test, turning PBO on meant slightly less speed (4%) than when running the processor at default settings or when enabling "Precision Boost Overdrive" and AutoOC.

In the decompression test, we saw the same thing: enabling just the PBO meant a small decrease in performance. With PBO enabled, the Ryzen 7 3700X was 0.30% slower than when running at factory settings, and 1.11% slower than when also turning AutoOC on. Enabling both "Precision Boost Overdrive" and AutoOC, the processor was 0.50% faster than without them turned on.

In JetStream 2, a web browser benchmark that we ran in Google Chrome, enabling PBO and PBO + AutoOC meant the same thing: a small 1.35% increase in performance.

For gamers, we also tested a few games: Shadow of the Tomb Raider, Metro Exodus, and World War Z. We set them to run at a resolution of 1920 x 1080 pixels and with the lowest graphics details available, so that our graphics card did not bottleneck the Ryzen 7 3700X.

In Shadow of the Tomb Raider, the CPU Render measurement showed that neither enabling PBO or PBO + AutoOC, had any benefits. We got more frames per second without "Precision Boost Overdrive" and auto-overclocking.

In Metro Exodus, the number of frames per second was almost the same regardless of how we configured the AMD Ryzen 7 3700X, although enabling 'Precision Boost Overdrive" meant one frame less.

World War Z was the only game in which we saw better performance when turning PBO on (3 frames more), as well as when enabling AutoOC (8 frames more).

To get an idea of how much the temperature of the processor is affected by enabling "Precision Boost Overdrive," we did some logging using HWiNFO while running Prime95. While running at factory settings, the processor did not get hotter than 89 degrees Celsius. However, with PBO and PBO + AutoOC enabled, the processor reached 95 degrees Celsius, which is its maximum official temperature.

As expected, enabling PBO and AutoOC also means higher power consumption. Our processor went from 90 Watts at factory settings, to 100 Watts with "Precision Boost Overdrive" turned on, and up to 117 Watts when AutoOC was also enabled.

We also logged the maximum boost frequency on a single core. What we found was quite surprising: the Ryzen 7 3700X reached 4392 MHz on a single core when running with its stock settings, which is very close to its advertised 4.4 GHz maximum boost clock. However, when we enabled "Precision Boost Overdrive," the maximum boost frequency was lower at 4367 MHz, and when also turning AutoOC on, it was even lower, at 4342 MHz. It is definitely not what we expected.

Conclusion: There is no reason to use Precision Boost Overdrive and AutoOC

Our conclusion is that neither "Precision Boost Overdrive" nor PBO + AutoOC are worth enabling if you are using an AMD Ryzen 7 3700X:

• The performance gains in benchmarks are mixed. Although you can get a one percent speed boost, more often than not, you're getting less performance
• In some games you get a few more frames per second, but in others you get fewer frames per second
• Both the processor's temperature and its power consumption increase, because of the higher voltages used

Hence our mixed results, we decided to keep our AMD Ryzen 7 3700X with "Precision Boost Overdrive" off, as we see no real benefit from enabling it. In our opinion, and at least at this point, PBO and AutoOC do more harm than good. There is no real-life performance gain to see here, just higher temperatures and power consumption, which in our minds translates only to a decreased longevity for the processor and a higher electricity bill. However, things might change in the future, as AMD releases new AGESA firmware, and new BIOSes are also released by motherboard manufacturers. We'll have to wait and see.

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