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post #1 of (permalink) Old 02-04-2019, 09:54 AM - Thread Starter
rul3s
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How to correctly overclock Ryzen 5 2600 [Multiplier vs Boost]

Hi mates,
I've been searching a lot about correct way of overclocking Ryzen 2XXX series but still some thing I'm not getting. I've made some tests and found that for my R5 2600 (non X) I need 1.35v for 4.0GHz and 1.42 for 4.1GHz. So, on "traditional" overclocking that would be OK. Another thing is that on my motherboard (MSI x470 Carbon) there's a bug which disables AMD cool and quiet when overclocking, and thats not good.

On those new Ryzen 2XXX they included some new tecnologies, XFR2, PB2 and PBO.
XFR2 and PB2 are normal boost modes, going from 3.4 to 3.9GHz maximum, following the CPU stock values (on 2600), so manually overclocking to 4.0GHz is way better than normal boost, that only achieves 3.9GHz on 1-2 cores and 3.7GHz on all cores.

From what I've read, PBO is able to push ABOVE those normal boost levels, but as far as I've tried, is doing nothing. I've enabled PBO on UEFI and still seing maximum of 3.9GHz on single core and 3.7GHz on all cores.... Also I've read on some places that PBO is only for the X versions, and on anothers that it's for al 2XXX Ryzen's.

So now the concrete questions:

Can PBO push above normal boost clocks? For example, on a Ryzen 2600 (3.4-3.9GHz) go up to 4-4.1GHz?
Is PBO only for X versions? (2600x 2700x)
Is PBO overclocking better than traditional overclocking?
Is only a MSI bug or all boards disables downclock and downvolt (Cool and quiet) when changing multiplier?

Thanks guys!

View31-Ryzen
(16 items)
InWin-Intel
(13 items)
CPU
Ryzen 2600
Motherboard
Gigabyte x470 Ultra Gaming
GPU
RTX 2070 Windforce OC
RAM
KFA2 Hall Of Fame Extreme DDR4 4000 CL19
Hard Drive
Samsung 970Evo 250GB NVMe
Hard Drive
Samsung 850Pro 512GB
Hard Drive
Western Digital Black 2TB
Power Supply
Corsair HX650 Modular
Cooling
Noctua NH-U12
Case
Thermaltake View 31 RGB
Operating System
Windows 10 PRO
Monitor
Samsung C24FG70
Keyboard
Corsair K70 RGB
Mouse
Zowie FK2
Mousepad
Razer Goliathus Cosmic Speed
Audio
Asus Xonar STX
CPU
Intel Core i5 3330
Motherboard
Asrock Z77 Extreme 4
GPU
AMD RX570 4GB
RAM
Kingston HyperX DDR3 2400 8GB
Hard Drive
Kingston A400 240GB
Hard Drive
Seagate 500GB
Power Supply
Aerocool Templarius 600W
Cooling
Scythe
Case
InWin
Operating System
Windows 10
Monitor
HP 22"
Keyboard
Logitech K110
Mouse
Logitech MX518
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