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

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288
votes
15answers
124k 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 ...
40
votes
6answers
18k 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 ...
27
votes
1answer
70k 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 ...
24
votes
2answers
3k 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. ...
21
votes
10answers
8k views

Is it possible to connect an external GPU via Ethernet?

I have laptop which has working Ethernet port but I always use WiFi . I am wondering if it is possible to run and use a graphics card (with external power supply) connected to the Ethernet port (with ...
17
votes
3answers
32k 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 ...
16
votes
4answers
18k 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?
16
votes
3answers
4k 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
1answer
940 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?
12
votes
1answer
176k 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 ...
11
votes
4answers
27k 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. ...
11
votes
8answers
79k 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 GPU....
10
votes
4answers
8k 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 ...
10
votes
3answers
94k 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 ...
9
votes
5answers
10k 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 ...
9
votes
2answers
14k 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
9
votes
1answer
1k views

Safe GPU temperatures

What temperatures are safe for a GPU?
9
votes
1answer
333 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 ...
9
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 ...
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
1answer
610 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
65k 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 I'...
8
votes
0answers
316 views

Is my recently acquired GPU broken?

A little more than a week ago, I acquired an ASUS Strix GTX970 4GB OC. I've been noticing alot of sporadic stuttering whilst playing games and I'm kind of puzzled to what it could be. Very frustrating....
7
votes
3answers
5k 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 ...
7
votes
4answers
7k views

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

Are there any programs available for monitoring and measuring GPU temperature? I'd prefer something free, and for either Windows XP or Windows 7.
7
votes
1answer
35k 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 ...
7
votes
3answers
833 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
2k views

How do I use my GPU to accelerate video encoding?

I have an ATI Radeon HD 4870 graphics card. I have read that I can use this to significantly speed up encoding DVD to AVI. Does anyone know how this can be done?
7
votes
2answers
17k 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
6answers
29k 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 ...
6
votes
4answers
1k views

What GPU does the Intel N3700 have?

I have an Intel N3700 CPU, but I can't figure out which GPU I have. CPU-Z says "Intel HD Graphics," but which version? Here is a screenshot from CPU-Z:
6
votes
2answers
770 views

Relation between GPU utilization and graphic card's power consumption

I wonder what the relation between GPU utilization and graphic card's power consumption is. E.g. in the screenshot below, GPU 2's utilization is 92%, while the power usage is 129 watts out of 250. ...
6
votes
2answers
2k views

How do device driver instructions program the GPU?

Say I am using a computer, any typical modern computer more or less. A device driver is responsible for everything I see on my screen, including right as I type this the screen is updated(this is, of ...
6
votes
1answer
37k 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 ...
6
votes
2answers
18k 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
1answer
2k 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 ...
6
votes
1answer
812 views

Is it possible to use GPU memory as more main memory?

I have a ATI Graphics Card with 1G of RAM. GPU-Z says that 143MB (dedicated) and 75MB (dynamic) is being used on the card (GPU). Is it possible to get your PC to use GPU as more RAM (main memory) for ...
5
votes
5answers
891 views

Why are GPUs cheaper than CPUs?

What are the technological reasons whereby GPUs are cheaper than CPUs?
5
votes
2answers
1k 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
2answers
4k 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
3answers
16k views

How can I identify which processes are using the GPU?

Is there any way to find out which process is using the GPU for intensive calculations? (OpenCL, CUDA, etc? Primarily OpenCL?) e.g. if you run an OpenCL-powered video transcoder, you'll see nothing ...
5
votes
2answers
7k 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 --od-...
5
votes
3answers
13k 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 ...
5
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. ...
5
votes
2answers
11k views

ATI Mobility Radeon HD 4500 - Support OpenCL or not?

I wanted to run Folding@Home on my laptop. I downloaded version 6.41 which supports GPGPU for ATI with the r_700 switch. It seemd too work slow so I took a look with GPU-Z and I was puzzled. ATI ...
5
votes
1answer
1k views

X freeze with proprietary fglrx driver on radeon HD 5970

I can't get to install the proprietary driver "fglrx" with ATI Radeon HD 5970 on Debian Squeeze. After the installation with ATI Catalyst 12-8 and a reboot, from the stage of GDM, the screen is ...
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
2k 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 as ...
5
votes
1answer
115 views

Why do video players affect my GPU overclock?

I have a Sapphire Vapor-X Radeon HD7950 OC edition graphics card. It runs at 850 MHz using the regular BIOS and at 950 MHz using the Boost BIOS. I'm using the Boost BIOS. When computer boots, the ...