Questions tagged [gpu]

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

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15answers
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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 ...
105
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10answers
22k views

Why do people use GPUs for high-performance computation instead of a more specialized chip?

From my understanding, people began using GPUs for general computing because they are an extra source of computing power. And though they are not a fast as a CPU for each operation, they have many ...
57
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7answers
35k 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 ...
46
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6answers
14k views

Is it safe to keep the GPU on 100% utilization for a very long time?

I am currently performing number-crunching using CUDA on my GPU, an NVIDIA GeForce GTX 1050 Ti. These operations often take months to complete, and during that time I leave my PC on 24/7. Is doing so ...
38
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1answer
101k views

How can I test my GPU memory/RAM?

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 ...
37
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3answers
11k views

Must a CPU have a GPU if the motherboard provides a display port (when there isn't any separate video card)?

There is such a configuration: MSI A320M PRO-M2 V2 + AMD Ryzen 5 1400 BOX and there isn't any separate video card. When the PC is switched on, the monitor shows nothing. The MSI tech support said: ...
27
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2answers
6k 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. ...
24
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2answers
3k views

How does the CPU communicate with the GPU before drivers are loaded? [duplicate]

As I understand it, GPUs have their own instruction sets, whose instructions are generated by the graphics drivers. The GPU instructions are then sent to the GPU. So, how does graphics communication ...
23
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11answers
17k 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 ...
18
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3answers
41k 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 ...
17
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5answers
30k 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?
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3answers
45k 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 ...
16
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3answers
6k 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 ...
16
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1answer
202k 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 the ...
15
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1answer
3k views

Combine GPU calculation power

After Windows 10 Fall Update you see all of your GPUs in the Taskmanager: When I play a game, only one GPU is used, the other one is idle. Question: When I reach 100% with my GeForce GTX 760 is it ...
14
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8answers
116k views

How do I 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....
14
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1answer
1k 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
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3answers
13k views

Chrome HTML5 videos in fullscreen are black when Intel graphics are enabled OR hardware acceleration is enabled

Chrome: 51.0.2704.106 m (64-bit) QUADRO M1000M NVIDIA supplied drivers, delivered via device manager force update (update did not affect the issue): 10.18.13.5474 Intel HD Graphics 530: 10.18.15.4285 ...
13
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3answers
112k 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 ...
13
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1answer
13k views

What's the difference between GPU Memory bandwidth and speed?

I was looking at Nvidia's series 10 graphics cards' specs and noticed they have memory speed and memory bandwidth specified. Memory speed is expressed in Gbps and memory bandwidth is expressed in GB/...
13
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0answers
10k 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
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4answers
9k 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 ...
11
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4answers
32k 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
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1answer
604 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
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5answers
25k 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
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5answers
60k 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 ...
9
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2answers
8k 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 ...
9
votes
2answers
17k 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
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1answer
1k views

Safe GPU temperatures

What temperatures are safe for a GPU?
9
votes
1answer
24k views

What is 'clean install' vs 'install' in AMD Graphics software?

I am trying to install 'Radeon Software' version 'Crimson ReLive Edition 16.12.1' When installing, I have two options: 'install' vs 'clean install'; what is the difference?
9
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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 ...
8
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3answers
7k 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 ...
8
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4answers
8k 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.
8
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1answer
29k views

Why are videos rendered by the cpu instead of the gpu?

Well I know this might sound like a pretty stupid question, but I couldn't find an answer using google, so yeah ... So, I know there are techniques like OpenCL and CUDA, but why is, by default, the ...
8
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1answer
667 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
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2answers
82k 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
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2answers
100k 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 ...
8
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4answers
38k views

Is it possible to use a nVidia GPU to render graphics if the monitor is connected to the motherboard video port?

I have an Asus Z87 Deluxe motherboard, which has an integrated Intel HD 4600 GPU; I also have a nVidia GeForce GTX 560 TI graphics card; currently, my monitor is connected to the graphics card and the ...
8
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3answers
1k 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 ...
8
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2answers
26k 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 ...
8
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2answers
4k 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
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1answer
415 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
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2answers
2k 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. ...
7
votes
4answers
47k views

HD 1080p .mkv videos don't play smooth. Is it a CPU, GPU, player or OS issue?

I have some .mkv 1080p videos but VLC can't play them smoothly. If I open the Task Manager, I can see that CPU is at 100%, because VLC uses as much as it can (95% or more). Then, I wonder Is it a ...
7
votes
1answer
61k 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 ...
7
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2answers
2k views

Ryzen 2400: will the GPU part of the APU still be usable for compute if I have a discrete graphics card installed?

I want to use an AMD Ryzen 2400g, but I will be using OpenCL on three discrete AMD Radeon RX580s installed in it. Will the Vega compute units on the APU still be available if I install the Radeons? Or ...
7
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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
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1answer
6k views

Change GPU priority of a process under Windows

Is it possible to change the GPU priority of a certain process under Windows 7 (and older versions if possible)? Changing the CPU priority doesn't seem to have any effect on the GPU usage. I have a ...
7
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3answers
30k 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
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4answers
4k views

Does a graphics card use electricity if it's installed but not being used?

I unattached my monitors from my PCI-E video card and attached them to the onboard video card. I'm not using the PCI-E card anymore. Is it using any electricity? Should I uninstall it? Will I save ...