Actually Compute Capability 1.1 - still clearly something is amiss.

I posted a query on the Nvidea boards.

I purchased the card via Ebay, card looks new, and reports properly at the bios level as a GTX250. Nvidea drivers believe it to be a GTX250. It may be simply a well made knockoff (no specific manufacturing info on the card to speak of).

I am not sure what performance benchmark software I could download and use to verify overall performance.

For what its worth, Windows 7 shows 5.7 for graphics and 6.4 for gaming graphics

Actually Compute Capability 1.1 - still clearly something is amiss.

I posted a query on the Nvidea boards.

I purchased the card via Ebay, card looks new, and reports properly at the bios level as a GTX250. Nvidea drivers believe it to be a GTX250. It may be simply a well made knockoff (no specific manufacturing info on the card to speak of).

I am not sure what performance benchmark software I could download and use to verify overall performance.

For what its worth, Windows 7 shows 5.7 for graphics and 6.4 for gaming graphics

I thought we were talking about a GTX 650 -- Why are you now mentioning GTX 250??

4/30/2014 9:48:59 AM | | cc_config.xml not found - using defaults
4/30/2014 9:48:59 AM | | Starting BOINC client version 7.2.42 for windows_x86_64
4/30/2014 9:48:59 AM | | log flags: file_xfer, sched_ops, task
4/30/2014 9:48:59 AM | | Libraries: libcurl/7.25.0 OpenSSL/1.0.1 zlib/1.2.6
4/30/2014 9:48:59 AM | | Data directory: C:\BOINC2
4/30/2014 9:48:59 AM | | Running under account Barry
4/30/2014 9:48:59 AM | | CUDA: NVIDIA GPU 0: GeForce GTX 650 (driver version 337.50, CUDA version 6.0, compute capability 1.1, 2048MB, 1983MB available, 396 GFLOPS peak)
4/30/2014 9:48:59 AM | | OpenCL: NVIDIA GPU 0: GeForce GTX 650 (driver version 337.50, device version OpenCL 1.0 CUDA, 2048MB, 1983MB available, 396 GFLOPS peak)
4/30/2014 9:48:59 AM | | Host name: BSC-GA970-955
4/30/2014 9:48:59 AM | | Processor: 4 AuthenticAMD AMD Phenom(tm) II X4 955 Processor [Family 16 Model 4 Stepping 3]
4/30/2014 9:48:59 AM | | Processor features: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 htt pni cx16 popcnt syscall nx lm svm sse4a osvw ibs skinit wdt page1gb rdtscp 3dnowext 3dnow
4/30/2014 9:48:59 AM | | OS: Microsoft Windows 7: Home Premium x64 Edition, Service Pack 1, (06.01.7601.00)

My error(I do not see an edit function here for messages).

The card is a GTX-650 with 2G of DDR3 memory.

Something is clearly not right with the card - I just checked my other system, which runs properly, with the GT-640 - in theory a lower performance card, which does run GPUGrid -- the Windows ratings are 6.6/6.6 compared to the 5.7/5.9 for this GTX-650,

Guess the card was too good a deal <sigh>

We're trying to solve it. We don't know the cause just yet. ManuelG from NVIDIA is trying to reproduce the issue right now.

It'd really help if you could run GPU Caps Viewer, and tell us the value it shows for compute capability, on that GTX 650.

Also, perhaps you could install GPU-Z, and report to us the BIOS Version, and the Subvendor. GPU-Z can also be used to extract the BIOS (there's a button that shows a microchip with a green arrow), which is something ManuelG might want later.

Caps viewer confirms the 1.1 value. I suspect the card is something of a 'good looking knockoff' here.

I sort of doubt there is any way to 'fix' this -- but could be wrong.

By the way, getting that Caps viewer file lit up my ESET AV report.

I've started a back and forth with the folks at nvidia. I'll report back here. Seriously, I suspect that I'll end up replacing that card with something I purchase direct from NewEgg -- fully 'vetted' as it were.

After back and forth with Nvidia, we've reached the conclusion that this is a well manufactured knock off card.

It looks well built. The system BIOS and diagnostic software report it to be a GTX-650. But it clearly is not in terms of performance (not just the lack of getting GPU work here, also the poor performance in processing GPU work from other projects.

I've referred the problem back to the Ebay seller for resolution.

Any chance we could get a screenshot of GPU-Z's "Graphics Card" tab, as well as a photo of the GPU itself, just to satisfy our curiosity? :)

[Sorry for your grief, if it is a knockoff]

It's pretty apparent the card was a knock-off (and apparently a pretty good imitation as it 'fooled' the system BIOS. When I protested this to the seller on EBay -- I had two options -- return for a full refund (with me paying shipping), or taking a 25% credit driving my out of pocket down to about $40.

I chose the latter as 'return for credit' is a bit of a hassle with shipping and the like, and the card is functional at about a GT-210 level.

I replaced the card with a new Asus GTX-650 with 1Gb of memory and it was recognized properly, I've already completed on work unit with it.

I'd note I worked with the Nvidia tech support folks -- one or two emails back and for for each of several days before confirming the card as a knockoff.

I will take a photo of the card at some point and post it. Aside from the performance issue and the confirmation of 1.1 versus 3.0 for computing capability, along with the lower Win 7 performance numbers, the other key here is there is no manufacturing information on the card. There is the 'Nvidia' name and logo on the fan. On the back of the card, the 'manufacturing' sticker doesn't mention a manufacturer -- just GeForceGTX650Graphic, 2G, DDR3.

I'd note the Asus card I now have has 1G, DDR5 memory.

This is a very edifying story.