How to stress GPU and CPU simultaneously.

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18 Jan 2011
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Hi,

I'm after a program that will stress my graphics card and my CPU to around 100% simultaneously. Is there such thing? I'll need to be able to monitor CPU and GPU temps while it's running as well. I'm tempted by running Prime/IBT alongside Furmark but I imagine my PC aint gonna like that!

Reason I ask is I've just added a GPU waterblock to my CPU loop and want to see what the temps go to for both running at load. Obviously any GPU overclock is going to affect my CPU temps as well so want to be able to measure this.

Idle temps are brilliant, just under 30C for both CPU and GPU. I'm really quite chuffed with this considering, with the stock cooler, the GPU was idling at ~60C (6950 unlocked to 6970 and mildly OC'd to 900MHz with Power Control at +20%).
Loop is:

Thermaltake Pump (400l/hr, 2.1m max head)
V
EK CoolStream 120.2 Double Rad
V
EK Supreme LT CPU Block
V
EK ATI 6970 Full Cover GPU Block
V
Thermaltake Res

I do have 2 200mm fans pulling air through the rad so although there's not much rad it does have good airflow through it.

G
 
I would run LinX + Furmark at the same time. For example, if it's an i7 920 running with 4C8T, then I'll tell LinX to run 8-1=7 threads, leaving one logical core to Furmark.

Also sometimes I use Unigine Heaven Benchmark instead of Furmark, and use GPU-Z to log the temperature.
 
You could try OCCT. They have a setting that is designed to work your PSU but it does this by running your CPU and GPU at full load.

I think the CPU part uses LinX and the GPU part uses Afterburner or some derivative.
 
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