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AMD Radeon HUGE Stuttering

S

Smite

Junior Member
Ok, So I have the Radeon 7850 2GB MSI Twin Frozr card. I have had it since its release in March 2012, and have not had problems. About one week ago, my GFX card had started to stutter very bad in one game. Called Smite ( like league of legends ) It would lag to where I would stay steady 60+ FPS, then every 2 seconds would drop to 10 FPS. This kept happening. Got off, got back on in the morning and tried Grid 2. WAs lagging hard. Then tried some old cRPG's. (Baldurs Gate) And was having same problem. So my $200 GPU cant play a vidoe game on all low settings, something terribly wrong. I ahve never had frame issues until now. Anyone can help me on this issue? Would be very much appreciated.
 
Load up MSI Afterburner and have it monitor things while you play. It should let us know if the clocks and dropping off, or the temp is climbing up, etc. You will want to pop out the graphs window into its own windows so you can see all of them easier.
 
Also by GPU voltage drops and increases while palying the game.... and sorry how do i check CPU temps?
 
That usage may suggest something is going on with your CPU or maybe your PSU. I'd definitely check temps for everything.

What is your PSU?
 
Smite said:
Also by GPU voltage drops and increases while palying the game.... and sorry how do i check CPU temps?
Click to expand...

MSI Afterburner will give temps, gpu usage, gpu clock speed, vram clock speed, vram usage, voltage, cpu usage, etc etc.
 
MSI Afterburner has no CPU monitoring software, unless there are some pluggins I don't know about.

I just have CPUID HWMonitor for monitoring my CPU, but it isn't great.
 
Looks like there is something in the background stealing CPU cycles. Or something could be wrong with the power states for the GPU and it's trying to kick into a lower power mode.
 
bystander36 said:
MSI Afterburner has no CPU monitoring software, unless there are some pluggins I don't know about.

I just have CPUID HWMonitor for monitoring my CPU, but it isn't great.
Click to expand...

Oh you are right. It does not have CPU. I use another tool for that which is skipping my mind ATM (not at home). But its very low resource and logs out the resorts so you can drop them into excel and get a full graph with time stamps.
 
Looks to me like either your CPU is throttling, or you have a misbehaving program/virus slowing down your game.
 
yeah, i thought it might be a virus, but bitdefender said there were no viruses. I went to bois and put my CPU into standard mode insted of OC mode, but still sam eproblem. I noticed my GPU usage and voltage only throttles while in game. And when I start to move my mouse around in game.
 
Smite said:
yeah, i thought it might be a virus, but bitdefender said there were no viruses. I went to bois and put my CPU into standard mode insted of OC mode, but still sam eproblem. I noticed my GPU usage and voltage only throttles while in game. And when I start to move my mouse around in game.
Click to expand...

What type of mouse are you using? Does it have its own drivers?
 
If the 12V rail is actually at ~8V, thats most likely your issue. Both the CPU and GPU are not going to be very happy with that kind of voltage sag.
 
This happened to me not so long ago. It turned out my GPU heatsink had come loose slightly, no idea how, and the card started throttling under heavy load. It would downclock itself to 300MHz every few seconds until the temps dropped down under the threshold and then back to full clocks again until it throttles again and so on.

I reseated the heatsink and everything is running fine again.

btw, use GPU-Z to monitor all values on the card while running stuff. Look for temps especially but also clockspeed, voltage, etc.
 
Last edited:
jones377 said:
This happened to me not so long ago. It turned out my GPU heatsink had come loose slightly, no idea how, and the card started throttling under heavy load. It would downclock itself to 300MHz every few seconds until the temps dropped down under the threshold and then back to full clocks again until it throttles again and so on.

I reseated the heatsink and everything is running fine again.

btw, use GPU-Z to monitor all values on the card while running stuff. Look for temps especially but also clockspeed, voltage, etc.
Click to expand...

His temps aren't very high, so that wouldn't explain it.
 
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