Same GPU, Different PC, Bad results

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HitMan329

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Mar 20, 2014
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I'm having an issue which I'm not sure I understand.. I've been lurking here gathering a bunch of info for troubleshooting but I guess I have to ask because nothing works.

I have 2 PC's I use for gaming, one being slightly better than the other, specs:

PC1
-MSI Z77A-G45
-i5 3570k
-GTX 770 2GB
-8 GB Ram
-WD 7200 rpm hdd
-Win 7 64bit

PC2
-ASUS PH61M LE/CSM R2.0
-i5 3470
-GTX 650 Ti Boost 2GB
-4GB Ram
-Seagate 7200 rpm hdd
-Win7 32bit

So here's the issue. I had the GTX 650 in PC1 for a while before I got the 770. The graphics were great in any game. Played Skyrim on ultra, WoW on ultra, Rift on ultra, ESO beta on ultra all with good FPS. Now that I have the GTX 650 in PC2 I can still run it on ultra settings with no lag/crappy fps but the graphics are definitely lower quality. For example in Rift the textures look blurred and the ground clutter doesn't even work. Changing from low settings to ultra barely makes any difference, only thing I noticed was the view distance would improve. The same goes for WoW. I'm having trouble trying to figure out what the bottleneck is here. I've tried different versions of the driver, reinstalling the games, updating bios, different monitor....any ideas??

Thanks!
 
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Shit.. 32bit.. Why didn't i see that. It was bottlenecking for sure. That was definitely the issue.

You can only have so much throughput with 32 bit as compared to 64bit. It's not just half either, it gets multiplicative. In essence this means 64 bit is x-times faster. X varying on the hardware being used. With today's tech on hardware, it's a HUGE difference.
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HitMan329

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Mar 20, 2014
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Unfortunately that did not work. It did however clean up the old AMD and Nvidia drivers I had on there so I guess that was a plus.

Ran the cleaner, restarted the PC, installed latest Nvidia driver for the GTX 650 Ti Boost and tried launching Rift again since that's the game I've been testing with. Same results. Detail/textures are weak and ground clutter doesn't work from 0 to max on the sliders. I can max out everything and it really makes no difference. Frustrating since that card was working great on Ultra in PC1.
 
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HitMan329

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Mar 20, 2014
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I downloaded GPU-Z and CPU-Z just to monitor while playing the game. Power consumption reaches almost 100% on the GPU and the GPU clock speed gets higher than the "Boost" limit of the GPU clock...? Also GPU load reaches almost 100% just walking around. I know for a fact this GPU can handle that with no issues since it was running smooth on ultra when it was in PC1. Wouldn't that cause it to overheat and crash? I'm not even trying to overclock the GPU. I don't think that could be correct
 
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benftf

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Aug 4, 2011
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Huh.. That is a new one for me. I would throw that up with there with hardware failure on the card, but I've never really seen that happen just from moving it from one pc to the next. Did you try putting it in a different pci slot in the new machine? I would also try putting it back in the other pc to see if you get the same issue.
 
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HitMan329

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I'm just as baffled. Really hoping it's not hardware failure since that would just be some terrible luck lol.

I decided to do some further testing with CPU-Z, GPU-Z and MSI Afterburner mainly to monitor what the GPU was doing. CPU-Z has a graphics tab which recognized my card and showed my GPU core clock and memory. On CPU-Z the core clock would not go higher than 594mhz in game with full load on the GPU. In GPU-Z however, I could see the core clock reaching the max core clock speed + a little more (~1200mhz boost IIRC) but 2 things caught my eye. GPU Load was between 80-99% most of the time and the power consumption was up to 99% as well.

I did the same thing on PC1 with CPU-Z and GPU-Z. On PC1 CPU-Z and GPU-Z core clock speeds matched. When the speed reached 980mhz on GPU-Z, CPU-Z was reporting the same thing. But GPU load wouldn't go higher than 40% on Ultra, Power consumption was the same thing. MSI After Burner was reporting the same thing that GPU-Z was reporting on both PC1 and PC2.

What do you think would cause CPU-Z to not report the same GPU clock core speed that GPU-Z and MSI AB does on PC2?

I reseated the card just for the heck of it but no difference. I'm going to add a 4gb stick of memory as well as completely reformat to win 7 64bit just to see if those 2 things make any difference. Before that I'm going to try your suggestion and put the card back in PC1 to see how it performs. The mobo on PC2 only has 1 PCI-e 16x slot so I couldn't test it in another slot. Also, could the mobo make this drastic difference considering PC1 is z77 and PC2 is H61? I'm tempted to throw the GTX 770 in PC2 just to see what it looks like, not sure it will fit comfortably in the case though lol, that guy is pretty big.
 
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HitMan329

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Ok, I decided to just go ahead with the reformat since I wanted to get PC2 on 64bit anyway and added the extra 4gb of ram. Ran all windows updates and let it install the driver for the GPU. Downloaded Rift again and it was perfect. Ran just like it did when it was in PC1.

So I'm thinking something was wrong with the drivers even though I was using what I got from nvidia, something got corrupted in windows or simply an upgrade in ram and to 64bit did the trick..
 
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benftf

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Shit.. 32bit.. Why didn't i see that. It was bottlenecking for sure. That was definitely the issue.

You can only have so much throughput with 32 bit as compared to 64bit. It's not just half either, it gets multiplicative. In essence this means 64 bit is x-times faster. X varying on the hardware being used. With today's tech on hardware, it's a HUGE difference.
 
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HitMan329

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Mar 20, 2014
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Yup, thanks for sticking with me and helping to figure this out. I had a feeling 64 bit was probably the difference maker but I didn't think it made THAT much of a difference. So next PC, step 1, load Win 64bit!
 
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benftf

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Glad to hear it's resolved. Yes, ALWAYS go with 64 bit, in whatever you do. Just a small tip from one gamer to another.. A lot of games default to run with a 32 bit launcher for compatibility reasons. Like your previous install, some people still use a 32 bit OS. This limits the amount of resources the game can pull. If you look in your program files of some games, you'll find a folder like "<game>64" or "<game>64 launcher.exe". Something like that.. Same theory applies here. Always, use the 64 bit one.
 
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