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Will I gain anything from OCing my 7850?

post #1 of 11
Thread Starter 
It's been a while since I overclocked my GPUs, hell, I haven't even got a gaming PC for quite som time now. However, I recently bought a gaming rig a couple of weeks ago with a Sapphire 7850, and I'm thinking of overclocking it, but I've read somewhere (I can't recall where) that the gain from OCing the 7850 is minimal at best, is that true? Is there any headway for OCing with this card?

And I'm sorry forr the noobish question, but what program should I use? As I said its been a while and I've forgot a lot smile.gif

Thank you.
post #2 of 11
I overclocked my 7850 stock to +33% core clock and +14% memory clock.
Got 22% higher framerate in benchmarks.

The boost is not minimal at all.
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post #3 of 11
You read wrong, the 7850's are great OCers & the gain is mindblowing. I use TriXX to OC mine as it's simple & effective. Hope you'll enjoy your card as I have mine thumb.gif
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post #4 of 11
Thread Starter 
Thank you for your replies!

Alright, I've downloaded Trixx, how much could I OC my card without the risk of overheating? My current clock according to Trixx is 860 for the GPU and 1200 memory clock.

I want a clock that is "safe", so I would be able to simply OC the card once and then leave it as that without having to check temps and what not after that. Any suggestions?
post #5 of 11
Ok, if you want an safe overclock, then just overclock your core without touching the voltages. You should be aiming for 1100. Never overclock without checking the temperatures. Make sure your core stays below 70 (85 max), and PWM below 90 (120 max).
post #6 of 11
Quote:
Originally Posted by jikko View Post

Thank you for your replies!
Alright, I've downloaded Trixx, how much could I OC my card without the risk of overheating? My current clock according to Trixx is 860 for the GPU and 1200 memory clock. I want a clock that is "safe", so I would be able to simply OC the card once and then leave it as that without having to check temps and what not after that. Any suggestions?

first overclock to 1 Ghz at stock voltage in trixx. max out power to +20%. test for stability using heaven 3.0, BF3, 3D Mark 11. you should get around 10% performance improvement. thats nice for a start. also monitor core and VRM temps using HWinfo32 . HWInfo32 also allows to log temps to a file. once the core overclock is stable push memory. do it in steps of 50 Mhz. 1350 - 1400 Mhz would be a good overclock.
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post #7 of 11
Thread Starter 
Quote:
Originally Posted by raghu78 View Post

first overclock to 1 Ghz at stock voltage in trixx. max out power to +20%. test for stability using heaven 3.0, BF3, 3D Mark 11. you should get around 10% performance improvement. thats nice for a start. also monitor core and VRM temps using HWinfo32 . HWInfo32 also allows to log temps to a file. once the core overclock is stable push memory. do it in steps of 50 Mhz. 1350 - 1400 Mhz would be a good overclock.

Alright, I've used the Sapphire Trixx to OC the card up to 1100 and 1300, but I don't seem to gain any FPS? And thats from 860/1200 original clocks. I'm using fraps to check FPS and using Skyrim as a becnchmark I don't gain anything, I don't even see a change in FPS as I alternate between the clocks.

Am I doing something wrong, maybe overlooked a setting or something?

The new clocks do show up on the "info" screen. Any clues?

Thank you btw!
post #8 of 11
Quote:
Originally Posted by jikko View Post

Alright, I've used the Sapphire Trixx to OC the card up to 1100 and 1300, but I don't seem to gain any FPS? And thats from 860/1200 original clocks. I'm using fraps to check FPS and using Skyrim as a becnchmark I don't gain anything, I don't even see a change in FPS as I alternate between the clocks.
Am I doing something wrong, maybe overlooked a setting or something?
The new clocks do show up on the "info" screen. Any clues?
Thank you btw!

did you max out board power to +20% . first test the card with stock clocks in heaven 3.0 and note your benchmark scores. then after that run it with the OC speeds and find out the score. if there is no difference then there is some problem.
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post #9 of 11
Skyrim might be cpu bottlenecked .
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Skylake2016
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post #10 of 11
Thread Starter 
Quote:
Originally Posted by krabs View Post

Skyrim might be cpu bottlenecked .

You might be right! Didn't even think about it, but my CPU isn't really that great. It's a Intel dual core 3.1, would that bottleneck my gpu in Skyrim?
Quote:
Originally Posted by raghu78 View Post

did you max out board power to +20% . first test the card with stock clocks in heaven 3.0 and note your benchmark scores. then after that run it with the OC speeds and find out the score. if there is no difference then there is some problem.

Will try it out tonight!
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