Processor specifically designed to perform fast memory manipulation, with instructions specifically tailored to handle computer graphics processing and rendering

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226
votes
12answers
55k views

Why are we still using CPUs instead of GPUs?

It seems to me that these days lots of calculations are done on the GPU. Obviously graphics are done there, but using CUDA and the like, AI, hashing algorithms (think bitcoins) and others are also ...
31
votes
5answers
10k views

How does the CPU and GPU interact in displaying computer graphics?

Here you can see a screenshot of a small C++ program called Triangle.exe with a rotating triangle based on the OpenGL API. Admittedly a very basic example but I think it's applicable to other ...
23
votes
2answers
978 views

Why do workstation graphics cards cost far more than equivalent consumer graphics cards?

An Nvidia GeForce GTX 780 Ti costs $700, while a Quadro K6000 costs $4000—yet they use the same underlying GK110 core! The same can be said for other workstation GPUs from both Nvidia and AMD. ...
22
votes
1answer
32k views

How can I test my GPU memory/RAM? [duplicate]

I run MemTest86 a lot at work on customer's machines, and it's great for troubleshooting memory issues. My question is, how can I test that a GPU is starting to go? I know of programs like 3DMark to ...
16
votes
3answers
3k views

Why can GPUs run hotter than CPUs?

As far as I can tell GPUs can easily run at much higher temperatures than CPUs without problems. Aren't they both made out of the same materials? Why are GPUs capable of operating at temperatures that ...
14
votes
4answers
6k views

What is the difference between a GPU and a graphics card in a pc?

What is the difference between both these things? Are they same? Is there a difference between their capabilities?
14
votes
1answer
645 views

Is my GPU dying?

I temporarily disable ECC memory protection on a NVIDIA K20m (device 0 in my node) and now I cannot bring it back to work again. Before that it was working properly with ECC enabled. So, here is what ...
13
votes
0answers
9k views

How to monitor GPU load on Windows 7? [duplicate]

Possible Duplicate: How can I monitor video memory usage? Performance monitor can bring CPU, Mem, HD and Network usage. Where is the GPU load monitor?
11
votes
1answer
6k views

What single nVidia card will drive three monitors? [closed]

I'm seeing a lot of conflicting information, on Super User and the web in general, about nVidia cards running three monitors. The opinions I have found so far include: no single nVidia card can run ...
10
votes
1answer
113k views

How can I determine and set my primary graphics card?

I have a Lenovo W520 laptop with two graphics cards: I think Windows 7 (64 bit) is using my Intel graphics card ₃ which I think is integrated — because I have a low graphics rating in ...
9
votes
4answers
6k views

The difference between GPU and CPU

I know what a CPU is(I think). It's the thing who's speed is measured in GigaHertz(these days). However, you hear a lot about a GPU, and letting the GPU take over, not letting the CPU but the GPU do ...
9
votes
1answer
929 views

Safe GPU temperatures

What temperatures are safe for a GPU?
9
votes
2answers
3k views

Silverlight hardware-accelerated playback is greyed-out - How do I enable it?

I am trying to play Netflix videos (which only play via Silverlight), but they play choppy because Silverlight's hardware-accelerated playback is disabled. (video playback on WMP11 and VLC is ...
8
votes
3answers
4k views

Is it possible to use a server to play games?

I am curious on whether I could slap a high end video card into a server and use it as a high end gaming machine. The server is a HP DL360 G5 with x2 Intel Quad Core Xeon processors, 16 GB of RAM and ...
8
votes
4answers
13k views

Can Windows 8's Hyper-V use the full power of the host hardware?

There's DOSBox for really old games, and some games work fine in Windows 8, but for that era of games that ran on Windows 95/98/XP, we've been somewhat out of luck if the game needs to utilize a GPU. ...
8
votes
1answer
546 views

Graphics card failure, anything I could try

My gaming PC has decided to die, it's not the first time but usually a quick ATX reset brings it back to life. Today it didn't. I disconnect all unessasary devices so I've only got the case button / ...
8
votes
2answers
10k views

VMware: How to directly access the GPU

I have VMware Workstation running on Ubuntu host with a Ubuntu Guest. Is it possible to directly access the GPU from the VM? I want to run CUDA on the VM
8
votes
2answers
973 views

NVIDIA GPU throttling? (8800 GTS - card runs super hot)

I have an NVIDIA 8800 GTS video card installed in my Windows 7 Ultimate 64-bit PC. I don't run 3D apps or games all that frequently and as the card runs quite hot I'd like to see if it's possible to ...
8
votes
1answer
242 views

Modern GPUs: How “intelligent” are they?

There are many resources on 3D programming (OpenGL or DirectX) and the corresponding graphics pipelines available, but I'm wondering at which level they are implemented on a modern GPU. So far I've ...
8
votes
1answer
1k views

At what working temperatures will my gpu not only survive, but have a long healthy life

There are plenty of questions about what a safe gpu temperature is, but these seem focused on what temperatures a gpu will survive at in the short term, regardless of whether it may shorten the cards ...
7
votes
3answers
13k views

How to restart a video card driver in Windows 7?

Some times my video card driver (Intel GMA X4500HD) crashes and gets restarted automatically. But more often (almost every time I watch a flash-powered online video for a period of time) it just gets ...
7
votes
3answers
525 views

Is it safe to place heat sink such that it joins multiple voltage regulators?

This is quite possibly a stupid question, but the GPU cooler I bought leaves me with little choice but to position heat sinks such that they straddle and join multiple voltage regulators. Is this a ...
7
votes
2answers
37k views

What's the maximum safe temperature for a HD Radeon 6870? [closed]

I'm running a passively cooled HD Radeon 6870 in my PC. While using 3D Acceleration, the temperature climbs up to 95 degrees Celsius according to SpeedFan. It seems a bit hot, but on the other hand ...
7
votes
7answers
45k views

How to increase the resolution of a laptop screen more than it supports

I have a laptop, which has a screen resolution of 1366x768, as most laptops have. Is there any way to increase it? The laptop is an HP Pavilion dv6, with Intel HD 3000 graphics and Radeon HD 6490M ...
6
votes
4answers
6k views

Software for monitoring and measuring GPU temperature (Windows XP/7)

Are there any programs available for monitoring and measuring GPU temperature? I'd prefer something free, and for either Windows XP or Windows 7.
6
votes
1answer
10k views

Is it possible to get the serial number of a GPU without opening the case?

I have an Nvidia GPU GTX 470 - Can I get it's serial number with out opening the case? EDIT Thanks for all the comments: I tried the Device path as well as the WMIC command (which are the same ...
6
votes
3answers
59k views

Intel HD Graphics 4000 is used instead of nVidia Geforce 630M for old game?

I have recently bought an Toshiba Satellite P855-32X laptop. Firs thing after I did launch this laptop is ofcourse update all drivers to the newest ones. Configure everything I needed and it works ...
6
votes
2answers
2k views

How do I use my gpu to speed up video encoding

I have a ATI graphics card (Radeon HD 4870), I have read that I can use this to significantly speed up encoding dvd to avi. Does anyone know how?
6
votes
2answers
13k views

how to underclock an nvidia GPU on Windows?

i wanted to know if there exist a software that can do that? my card is nvidia 7600GT
6
votes
2answers
11k views

virtual machine with dedicated GPU - is it possible? Private GPU Cloud

This is also referred to as cloud GPU. I want to build a VM host (VMware or windows - or other?) that will have 8 GPU's on it, and the VM clients will be able to use the GPU's as needed. It can ...
6
votes
3answers
21k views

How to stop switchable graphics from switching to high-power GPU when charging the laptop?

I've an Acer laptop with Windows 7 64 bit and an ATI Radeon HD 6550M Graphics card. Whenever I connect the power to charge the battery it automatically switches to the high-power GPU (ATI) instead of ...
6
votes
1answer
1k views

GPU at >= 100% for Intel HD Graphics 3000

On my brand new Lenovo W520 (with Sandy Bridge, 2820QM) and with default settings and on battery power, the "Power Manager" status shows that the GPU usage is constant at 100% or larger. Is this ...
5
votes
5answers
715 views

Why are GPUs cheaper than CPUs?

What are the technological reasons whereby GPUs are cheaper than CPUs?
5
votes
3answers
4k views

Is there a list of graphics cards ordered by relative performance? [closed]

I'm struggling to make sense of graphics card manufacturers' cryptic names and codes for their products. For example, some cards with a higher number or code in the name are actually less powerful ...
5
votes
5answers
12k views

Why am I seeing red dots on my LCD screen?

My laptop is about 2.5 years old. Now I am starting to see red dots on certain shades of colour (mainly dark colours, blues and blacks), and it is not limited to certain pixels, because when you move ...
5
votes
2answers
993 views

Does Silverlight or Flash support hardware acceleration?

Does Silverlight or Flash support hardware acceleration? Is work being done by the GPU or only the CPU? I believe Netflix View Instant uses Silverlight, does this support hardware acceleration?
5
votes
3answers
2k views

How can I determine the highest GPU-supported DirectX version?

On Windows 7 / Vista how can I determine what DirectX version is really supported by the GPU?
5
votes
2answers
6k views

ATI Temperature Monitoring

I'm trying to monitor the temperature of my GPUs (multiple ATI 5970) in my computation cluster. Problem is that the aticonfig tool does not work in headless mode # /usr/bin/aticonfig ...
5
votes
1answer
14k views

How to force my laptop to use the discrete GPU?

My laptop (Asus X7BSV) is stuck using only the integrated GPU. It has a nVidia GT540M as well, but I cannot get it to work. I am using a Windows 7 x64 with latest drivers. This occurred after I ...
5
votes
1answer
3k views

AMD APU Hybrid Crossfire

I've read some impressive reports about AMD Llano, including that it can work in setup similar to Hybrid Crossfire (ie. integrated GPU with the discrete GPU). I imagine, that this will only work with ...
5
votes
1answer
1k views

Can I create a RAM disk using GPU Memory? [duplicate]

Possible Duplicate: Is it possible to use GPU memory as more main memory? I would like to create a RAM disk/drive using the GPU's RAM/memory. Then use ReadyBoost on Windows to use the disk ...
4
votes
3answers
4k views

How do I disable my GPU so that it defaults to the integrated graphics?

I have an old computer that is experiencing graphical related corruption as well as randomly restarting. In an attempt to isolate the problem I want to disable the GPU so it reverts to the chipset ...
4
votes
1answer
401 views

Windows 7 command line GPU temperature [closed]

Are there any windows 7 applications that output the GPU temperature to the command line?
4
votes
2answers
652 views

Differences between i7 2600 and i7 2600K

I looked at their specifications on intel. It seems i7 2600K has HD Graphics 3000 while the i7 2600 has HD Graphic 2000. But other than that, the i7 2600 has several options and features that the i7 ...
4
votes
2answers
2k views

What are the drawbacks of using an integrated GPU for non-gaming purposes?

I'd like to know the advantages and disadvantages of using an integrated GPU for purposes other than gaming. Does the performance of the cpu decrease when the integrated gpu is in use? Does it ...
4
votes
1answer
3k views

Will I lose my Windows 8 activation after hardware upgrade?

Windows 8 Pro w/WMC is installed on an Asus M3A78-EM with an on-board GPU. I wish to upgrade the GPU and have purchased a compatible one but have not installed it yet. I also wish to upgrade its CPU. ...
4
votes
3answers
11k views

How can I fit 6 7970 Graphics Cards in one computer?

Okay, based on my previous question, it turns out I can find a motherboard to support 6 PCI slots and therefore 6 GPUs. But now I want to use 6 GPU's, specifically, the Radeon 7970. Obviously, they ...
4
votes
2answers
9k views

Using PhysX on a Radeon GPU?

Is it possible to get PhysX to run on a Radeon GPU? I've seen various posts on forums claiming someone has found a way, but I was unable to locate any actual guides or software downloads to do it. ...
4
votes
1answer
2k views

Why can I run 23,000 CUDA threads on the GeForce GTX 480 GPU?

Someone has told me that the GeForce GTX 480 GPU can run 23,000 CUDA threads concurrently. However, I am confused about why. Each core of this GPU contains 2 groups of 16 SIMD units. Each SIMD unit ...
4
votes
1answer
647 views

ATI Radeon FPS drops

Problem For some reason my Radeon HD 5700 seems to suffer from FPS drops. 600W power supply should be enough The core temperature when the FPS dropped was ~53 C (127 F) The GPU utilization is ...