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GTX1080 Low GPU clock

Agraav
Level 7
Hi everyone,
i have a problem with my brand new Asus ROG STRIX-GTX1080-A8G-GAMING, and i can't manage to find a solution.
It's GPU Clock should be around 1.8GHz (to be precise 1784MHz in silent Mode, 1810MHz in Gaming Mode, and 1836MHz in OC Mode). Yet, mine is stuck between 633MHz and 671MHz (whatever the mode i use). When a change the mode, nothing happen.
Here is some pictures : http://imgur.com/a/fASpq
The clock stays the same, being idle, or in games. I can play BF1 in ultra, but i get lags from time to time. Same on RE7, and AC4 Black Flag.
I already tried re-installing drivers.
I also made a test with 3dmark on Fire Strike 1.1 and got 16707 which is a lot below than 21940 (what it should be).

Here is my config :
Power : Corsair GS700 80 PLUS Bronze
CPU : i7 4770k 4.2GHz
Motherboard : Asrock Z87 PRO4
Monitor : Samsung 27" LED - SyncMaster S27C350H - 1920x1080 60Hz
RAM : G.Skill Sniper 8 Go (2 x 4 Go) DDR3 2400 MHz CL11

Anybody has a solution ?
Thank you in advance,
Agraav
9,220 Views
3 REPLIES 3

Nate152
Moderator
Hi Agraav

Welcome to the ROG forum.

There is an issue with the latest nvidia driver 378.49 and GPU Tweak II not reading the core clock speed correctly. For now as a work around you can use GPU-Z to monitor clock speeds.

Click the picture to make it bigger.

62237

Chino
Level 15
Also you might want to use the latest version of GPU-Z to monitor your vitals. The version you're using is very old.

Hi ! Thank you for your answers.
I just downloaded the last version of GPU-Z, and the monitor shows the correct clock speed ! That was making me crazy. x)
Thanks guys, i really appreciate it !

Agraav