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Processors

DanTKW
Adept I

A620 chipset & AMD Ryzen 5 8600G

I just bought a Gigabyte A620M-S2H motherboard together with an AMD Ryzen 5 8600G processor. I really don't understand why AMD manufactures AM5 socket processors which has Precision Boost Overdrive (PBO) but came out with an AM5 chipset A620 which doesn't support Overclock. Then does it means that my processor Ryzen 5 8600G can only stick with stock clock at 4.3Ghz and will not automatically boost to 5.0Ghz when handling heavy loads?

2 Solutions
FunkZ
Exemplar

Precision Boost Overdrive allows a user to manually tweak power and thermal limits of their AMD processor on supported chipset BIOS. The A620 does not support PBO.

However, the A620 does support Precision Boost, the automatic feature which allows your 8600G to boost up to 5.0GHz within factory limits.

The A620 chipset also allows for memory overclocking via XMP/EXPO.

Ryzen R7 5700X | B550 Gaming X | 2x16GB G.Skill 3600 | Radeon RX 7900XT

View solution in original post

So it sounds like ASUS has an "undocumented feature" aka bug that allows PBO on an A620 motherboard that as stated "should not be available".

If you're asking whether you should buy an ASUS A620 board to replace your Gigabyte A620 in order to gain access to PBO keep in mind ASUS could at any time "fix" that bug via a BIOS update.

If you want to take advantage of PBO I suggest picking up a B650 board.

Ryzen R7 5700X | B550 Gaming X | 2x16GB G.Skill 3600 | Radeon RX 7900XT

View solution in original post

8 Replies
FunkZ
Exemplar

Precision Boost Overdrive allows a user to manually tweak power and thermal limits of their AMD processor on supported chipset BIOS. The A620 does not support PBO.

However, the A620 does support Precision Boost, the automatic feature which allows your 8600G to boost up to 5.0GHz within factory limits.

The A620 chipset also allows for memory overclocking via XMP/EXPO.

Ryzen R7 5700X | B550 Gaming X | 2x16GB G.Skill 3600 | Radeon RX 7900XT
DanTKW
Adept I

Just curious, since A620 does not support overclocking (PBO), how come ASUS's TUF Gaming A620M can access and enable Precision Boost Overdrive?

In the BIOS manual for the ASUS TUF Gaming page 62 AMD Overclocking section it states that the configuration options vary depending on the motherboard. AMD is pretty clear about the A620 not supporting overclocking, the expectation that overclocking options are simply not present in the BIOS. However it's possible the ASUS BIOS has settings present that are locked, greyed-out or non-functional?

FunkZ_0-1713709212345.png

Ryzen R7 5700X | B550 Gaming X | 2x16GB G.Skill 3600 | Radeon RX 7900XT

NoPBO.jpg

Screenshot_2024-04-24-10-22-36-766_com.android.chrome.jpg

 what is your opinion?

So it sounds like ASUS has an "undocumented feature" aka bug that allows PBO on an A620 motherboard that as stated "should not be available".

If you're asking whether you should buy an ASUS A620 board to replace your Gigabyte A620 in order to gain access to PBO keep in mind ASUS could at any time "fix" that bug via a BIOS update.

If you want to take advantage of PBO I suggest picking up a B650 board.

Ryzen R7 5700X | B550 Gaming X | 2x16GB G.Skill 3600 | Radeon RX 7900XT
DanTKW
Adept I

Unless the BIOS PBO settings in ASUS TUF Gaming A620M refers to CPB actually.

BigAl01
Volunteer Moderator

What do you think of the performance you get from the 8600G CPU?  Is it good for 1080p gaming?

As Albert Einstein said, "I could have done so much more with a Big Al's Computer!".
0 Likes

Usually I don't play games, so far I haven't try running games with the CPU. I bought this 8600G just because of my tight budget. I just want a PC for multipurpose, not intensive gaming. The 8600G processor is 6X the processing power compared to my previous Intel core i5 6500. I'm quite satisfied with the speed so far. If you are a casual gamer with budget constraint, congratulations! You have found it. 8600G is the most reasonable priced processor in the current market. However, if your intention is gaming, I would suggest that you buy a discrete processor and graphics card will be more suitable for your needs.