I recently upgraded my XFX R9 270x to Sapphire R9 280 only to notice that my performance has dropped significantly. In GPU power hungry games my FPS is either unable to maintain 60fps, or my fps has dropped to levels that my 270x was able to surpass. I have a 550w PSU that has 384w on the 12v rail, according to power draw test the 280x wont even come close to 300w on max load. The drivers are the same 15.4 beta so that can't be an issue. Aside from that I can't really see what the problem is. Any ideas will be greatly appreciated, thanks.
Upgraded R9 270x to R9 280 getting worse performance
- Thread starter JumBie
- Start date
Do you have a good PSU?
What about cooling, the case & card temps need to be in check for the GPU to not throttle since that might be what's happening here? Summers can be harsh on gaming systems & you may need to push the system back if it's overclocked.
If you haven't tried this then completely remove AMD's display drivers & then reinstall them, use DDU from guru3d.
What about cooling, the case & card temps need to be in check for the GPU to not throttle since that might be what's happening here? Summers can be harsh on gaming systems & you may need to push the system back if it's overclocked.
If you haven't tried this then completely remove AMD's display drivers & then reinstall them, use DDU from guru3d.
i5 3470 3.2ghz 3.6boost
8gb ddr3 1333mhz
128gb ssd
500gb hdd
coolermaster elite v2 550w psu
The case is completely open, cpu temps while intense gaming hit 60's, gpu temp maxes out around 57. I completely uninstalled the GPU drivers before hand and then reinstalled the 15.4, I used amd driver removal tool, the issue persist.
Did you leave the game settings exactly the same, including screen resolution?
Often it turns out people increased settings to max or upped the resolution, beyond what their new card is capable of running smoothly.
Often it turns out people increased settings to max or upped the resolution, beyond what their new card is capable of running smoothly.
A reinstallation of the drivers stopped the downclocking issue somehow. However, performance is crap when compared to the 270x.
Looking at JonnyGuru's review of that PSU, it might be the culprit.
2x16 amp 12v rails. That's only 192w per rail.
2x16 amp 12v rails. That's only 192w per rail.
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I have to agree with you on this. I too looked at the detailed specs on this unit and it's not even 80+ or 80+ Bronze rated. And weak split rail design.
Pickup a strong single railed power supply and your problems will likely go away.
A combined rail of 384w isn't sufficient for a card that doesn't even pull close to that? Is it the split design that's the culprit? Any evidence of this being the case with other units.
Lets assume that it is the problem, any 550w units that you can recommend? I am not looking to spend too much money on one, just something semi decent, at least better than what I currently have.
PSU not the issue, if power was the issue, you would experience hard crashes, resets, BSODs or lots of "Driver has reseted" message after a blank black screen.
Also CPU isn't the issue since i5 is a quad core with plenty of grunt, an i3 would have been a problem for sure, since stronger AMD GPUs do need quad cores to drive them well.
Uninstall your drivers, clean wipe them out then reinstall the latest drivers.
Also CPU isn't the issue since i5 is a quad core with plenty of grunt, an i3 would have been a problem for sure, since stronger AMD GPUs do need quad cores to drive them well.
Uninstall your drivers, clean wipe them out then reinstall the latest drivers.
Well if the card isn't benchmarking right, then RMA it or something. Obviously if it's running slower than a lesser card using the same basic architechture and same drivers even.
Also, why would you upgrade from a 270x to a 280?
You should wait a couple generations between upgrades so you get an actual boost from your $$ spent.
I meant that upgrade you are barely going to feel in games. Maybe you can crank one setting higher.
Also, why would you upgrade from a 270x to a 280?
You should wait a couple generations between upgrades so you get an actual boost from your $$ spent.
I meant that upgrade you are barely going to feel in games. Maybe you can crank one setting higher.
PSU is terrible, and you likely had/have driver issues on top of it.
Of course, it could be that your 280X is just defective as well and you may need an RMA. A good way to try it is to take your 270X/280X cards to a friend with a better rig and try benchmarks on that machine to be absolutely certain, to see if it is your system or the card itself.
I'm guessing the former.
Of course, it could be that your 280X is just defective as well and you may need an RMA. A good way to try it is to take your 270X/280X cards to a friend with a better rig and try benchmarks on that machine to be absolutely certain, to see if it is your system or the card itself.
I'm guessing the former.
In GPU-Z can you confirm that the hardware shows up as expected? Where did you purchase the card from? I know that there have been cases of people changing the name of the card through a BIOS editor and selling them as different cards although I am not sure if people have done that with the 280 or not.
I can't RMA the card, it was a second hand purchase without receipt or box. The reason I upgraded from a 270x to a 280 is because I was actually under the impression that the card was a 280x, I only realized after the fact that I had misread the ad and thought I was purchasing a 280x instead of a 280.
Yes the hardware shows up as expected. It was a second hand purchase, its unlikely that something was changed as there are only two cards that fit this length and profile and its the DUAL X 280x or 280.
I set the power limit to +20 with no difference in performance. Also, I have never touched any of the AMD settings within CCC.
According to this test: http://www.tweaktown.com/reviews/65...ndforce-3gb-oc-video-card-review/index16.html the card draws about 417w underload and 155 at idle....this has to be a joke. Other test show it drawing just over 300w under load and less than 100w at idle http://www.tomshardware.com/reviews/sapphire-radeon-dual-x-r9-280,3914-4.html. Not exactly sure what the heck to do, I am going to switch out the power supplies and see if anything gets better.
The Tweaktown one is total system power, Toms Hardware one is just graphics card power.
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