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3700X PBO ON result

 
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post #1 of 1 (permalink) Old 08-22-2019, 12:08 AM - Thread Starter
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Location: Finland
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3700X PBO ON result

These were the changes when i set PBO from "auto" to "motherboard" in bios.

Spec:
B450 Tomahawk max
3700X
Scythe Fuma 2 air cooler

Measured with Hwinfo64
Load tested with Prime95 Blend

Changes:
Cinebench R20 score: +350 points
Idle Vcore: -0.02V
Minimum frequency in load +300 MHz

Load temperature +24C (P95 smallest FFT)
Load Vcore +0.26V
CPU package power +50W
VR MOS +10C


CPU max temperature in Cinebench R20 is about 75C. PBO off temperature was about 70C IIRC.
CPU max temperatures in P95 high FFT was about 60C IIRC.
Attached Thumbnails
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Name:	Cinebench PBO Motherboard.PNG
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Size:	2.10 MB
ID:	290710  

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Name:	Idle PBO off.PNG
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Size:	188.4 KB
ID:	290712  

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Name:	Idle PBO on.PNG
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Size:	183.4 KB
ID:	290714  

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Name:	P95 Blend 10m PBO off.PNG
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Size:	357.8 KB
ID:	290716  

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Name:	P95 Blend 10m PBO on.PNG
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Size:	347.7 KB
ID:	290718  


Air PC-O11 Dynamic
(9 items)
CPU
AMD Ryzen 7 3700X
Motherboard
MSI B450 TOMAHAWK MAX
GPU
Sapphire RX 5700 XT Pulse
RAM
G.Skill 16GB (2 x 8GB) Ripjaws V, F4-3600C16D-16GVK, OC 3800 16-17-16-32 @1.376 V
Hard Drive
Corsair Force MP510 1TB NVMe
Power Supply
Seasonic FOCUS Plus 750 Gold
Cooling
Scythe Fuma 2
Cooling
Noctua NF-F12 PWM chromax.black.swap
Case
Lian Li PC-O11 Dynamic
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