Questions tagged [gpu]

Anything related to Graphics Processing Units (GPUs), i.e. microprocessors specially designed to efficiently handle all the calculations needed to implement 2D and 3D graphic operations and rendering on modern computer systems.

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Is FLOP/s for a GPU constant with varied VRAM utilization?

Meaning is the compute output of a GPU a function of total VRAM being used, or perhaps any other variable?
Riley's user avatar
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1 answer
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What is the difference between CPU, GPU, TPU?

I use python code on Google Colab. I would like to ask what is the difference between CPUs, GPUs, TPUs and why the last two have so intense acceleration on python code??? I have seen tutorials on ...
just_learning's user avatar
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Trying to replace laptop's dGPU with eGPU. Is it possible?

I try to replace GT 840 dPGU with eGPU on V3-572PG mainboard for which I have circuit and boardview. I'd desoldered dGPU. Then after study of boardview I could easy match pins from dGPU socket to pins ...
Daro's user avatar
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15 votes
6 answers
4k views

Why are there separated power circuits for CPU, GPU, and RAM on a motherboard?

Even though there is a power supply unit in a computer case, why are there separated power circuits for CPU, GPU, and RAM on the motherboard? I mean, why can not the CPU, RAM and GPU just take their ...
Ali's user avatar
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1 vote
4 answers
276 views

What makes a GPU inferior to CPU? [closed]

A computer is supposed to crunch numbers and then output the result data. To make this happen we program the computer to do what we want. This can be done by writing a program in high level language ...
quantum231's user avatar
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6 votes
3 answers
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Can I use a 250 nF instead of a 200 nF SMD ceramic capacitor?

Im trying to fix a broken GPU that has a missing 200 nF SMD ceramic capacitor. I found a similar one on a motherboard that has a capacitance of 250 nF. Is it possible to transfer it to fix the GPU? At ...
LuisCorner's user avatar
-1 votes
2 answers
203 views

What is this MOSFET?

I can't find any replacement for this MOSFET. Is this a ao e6936 or ao ga 7414?
saransh kumar's user avatar
1 vote
1 answer
83 views

Can I solder camera cables to a breakout board?

I've got an NVIDIA Jetson with 4 cameras connected to it via USB 3.0. The GPU does not have enough ports so I am relying on a USB hub to connect everything. I've experimented with several hubs and ...
ardoknow's user avatar
-3 votes
1 answer
105 views

What is the purpose of these strange patterns in i/o port panel of GPU card? [closed]

Ref: https://www.techspot.com/article/1988-anatomy-graphics-card/ The left side pattern seems to get it attached to Graphics card slot- but not sure why those flanges are required. Absolutely no ...
Divya K.S's user avatar
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1 vote
1 answer
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Why do GPU's often have a different core frequency and shader frequency?

Typically GPU's have a faster core frequency and shader frequency. Typically the shader frequency is double or more than double that of the core frequency (e.g. 607 MHz and 1215MHz for GeForce GTX 590)...
user56834's user avatar
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2 votes
3 answers
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Help resoldering SMD capacitor

I was cleaning my 1080 and installing new thermal pads when I accidently broke off a capacitor during disassembly. Does anyone have experience resoldering SMD capacitors on GPUs and if so what solder ...
PrematureCorn's user avatar
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1 answer
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Burned component on GIGABYTE RTX 2080 GAMING OC 8G

I have purchased an RTX 2080 which contains a scorched component. I have carefully removed it with a heat station. The card is not short and it works, but it is seen with artifacts. As I found on the ...
Expoespa's user avatar
1 vote
1 answer
130 views

I'm designing a 4-bit GPU and I need some suggestion about the RAM for it [closed]

I'm working a 4-bit GPU, the GPU run on 1.023MHz (1023kHz) clock while CPU only run on 127kHz so I need a screen buffer for it when the CPU is working on some instruction. The display I use is a 24 x ...
Sairext Irkaris's user avatar
2 votes
1 answer
736 views

Help identifying 4-pin PWM fan connector

Does anybody know the name/type of the connector shown below? Context: it is 4-pin PWM fan connector for the fan of an Nvidia RTX A6000. Dimensions: 5mm x 1mm x 4mm, 1mm pitch === Edit === Thanks to @...
D Mister's user avatar
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2 answers
60 views

How many instructions can a vector processor issue per cycle? [closed]

I currently have vector processors in class and wondered whether a vector processor only issues one (vector) instruction per cycle (in order processor). Maybe this question is stupid and it depends ...
Rhi's user avatar
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Damages caused by inversely connected PCI-e power cable?

Recently, I used a 6-pin to 8-pin PCI-e convertor to power a graphics card (see the picture). After installation, each time I turned on the switch on the PSU and pressed the power button on the PC, ...
apadana's user avatar
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1 answer
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Is it safe to keep using graphics card with blown diode? [closed]

Is it safe to use my GTX 1070 ti with a blown diode? It works as usual. Please see attached image. I don't know much about this, but it looks like d33 has blown. Thanks in advance.
fonnes's user avatar
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Can this component be identified? Top mark is 2B with a sideways F

What do you think, does this look right? https://www.mouser.com/datasheet/2/916/PMPB215ENEA-1600076.pdf Short is gone........ This is the 1V rail for a GTX 2060 GPU which is currently shorted. I'm ...
DWEEB's user avatar
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-2 votes
1 answer
245 views

A computer architecture joke [closed]

Background Some months ago, I watched a Youtube video posted by the channel Numberphile. The video was on famous world mathematician Terence Tao, and in the video, he seemed to be struggling with ...
williamcodes's user avatar
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1 answer
145 views

Is there a way to power a GPU only by external supply?

Actually I don't think so, because I think different components of the GPU are powered by only one of the two sources.
EnnioEvo's user avatar
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2 answers
2k views

What happens if the PCI voltage in input to a GPU is different from external power supply voltage?

In particular if there is a difference of one or two volts between the two inputs? Is it safe?
EnnioEvo's user avatar
2 votes
2 answers
621 views

Low voltage GPU decoupling capacitor longevity

Recently noticed my GPU card (Nvidia 1060) made more coil noise (electrical noise, noise level proportional to frame rate) than usual. I discovered that directly behind the GPU chip one of 2 big 470uF,...
EmilBonnevie's user avatar
1 vote
0 answers
60 views

DC-DC converter cause PC GPU computer to shut down

I am currently trying to power up a edge GPU computer that runs on 12-19 V and is rated for 60 W. Whenever I start to overclock my computer to run some machine learning stuff, the computer will just ...
Fun Sherwin's user avatar
4 votes
5 answers
1k views

How is quality/damage control done in large circuits?

There is apparently more than 28 billion transistors in the recently released Nvidia GeForce RTX 3080. First, when you manufacture such a circuit there must be a decent chance of botching some of ...
lfds's user avatar
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1 vote
3 answers
952 views

Why do displays have limited bit-depth?

As far as I am aware, HDMI 2.1 does support 12-bit 4K 60fps, Also it doesn't use TMDS, rather FRL. Sends upto 48Gbps GPUs can do calculation in fp32 and from some reference, I think that it can send ...
user avatar
2 votes
0 answers
109 views

Question about component name (DrMOS?)

I'm trying to find the fault on my GTX 970 card and it seems that I have found at least one of the problems. There seems to be a DrMOS(?) that after plugging the power in is getting hot to the touch ...
Smoolae's user avatar
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3 votes
1 answer
623 views

Nvidia 1080 ti VRM? SMD Identification

I was hoping that some of you experts could help me identify a SMD on the back of a 1080 ti FE. This item was dropped and it appears has some damage done to it. I would like to replace the missing SMD ...
CRTBILLY's user avatar
1 vote
1 answer
577 views

STM32MP157 GPU documentation

Reference Manual Chapter 20 of this document describes GPU and basically uses 2 sentences about, it is just present, however it mentions that it supports OpenGL ES 2.1 API. The question is, ST ...
Anton Stafeyev's user avatar
19 votes
5 answers
11k views

Why does GPU consume so much power?

I am trying to understand why GPUs consume so much power. For example, the max power consumption of the P100 GPU is 250W. As I understand power is measures in watts as ...
Luke Taylor's user avatar
1 vote
1 answer
300 views

Gpu to interface with an arm cpu [closed]

I am building an embedded gaming system to... well to play games. I looked up to the gameboy advance cpu manual and saw that it had some sort of gpu. Where can I find a gpu to use with an arm cpu? I ...
James B. Reese's user avatar
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3 answers
213 views

Why is GPU memory fixed? [closed]

In pretty much all modern computers and mobile devices, the CPU can have varying amounts of memory (either to be configured by the user or fixed at point of assembly). Apart from historical form-...
Joren Vaes's user avatar
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0 answers
101 views

Please help me identify the SMD component

I have two nVIDIA Quadro P5000 GPUs. This component got damaged in one of the GPU while I was removing it from the PC. Please help me to identify this SMD component so that I could purchase and solder ...
Jishnu Anilkumar's user avatar
0 votes
2 answers
2k views

Why are GPU dies so much physically bigger than CPU dies?

I understand that the physical sizes of microchips are generally limited by silicon yields. The larger your chip is, the more waste occurs when you hit a defect in the silicon and have to throw it ...
Joseph Montanaro's user avatar
5 votes
1 answer
2k views

USB Camera to GPU Memory Directly

There may be several points in this question which may not make sense to a knowledgeable person, so I do thank you for your understanding in advance. For a computer vision project I wish to process ...
keoxkeox's user avatar
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1 vote
3 answers
259 views

Would a standardized graphics chip socket be sensible? [closed]

I am not an EE, and so I'm running this conjecture on breaking out the GPU from the CPU by folks who have better knowledge than me. Perhaps you can point out something I don't know about modern CPU ...
John Moser's user avatar
1 vote
2 answers
2k views

GPU vs CPU on chip memory

There has been a fairly wide ranging discussion as to why it is difficult to combine memory / CPU logic on the same die (yield issue compounding, different processes, different clock-frequency, ...
Daniel P's user avatar
0 votes
1 answer
160 views

GPU Shader Hardware Requirements Question

I have a question which I hope is not out of the scope of this branch of the exchange network and is a fair question (to be fair I have provided a block diagram on what I have so far) on the "basics" ...
Vahe's user avatar
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2 votes
1 answer
713 views

GPU-grade memory bandwidth on low-cost FPGA solutions

I'm designing a custom FPGA board, for something low-cost like a Xilinx Spartan 6. I want to perform research about solving memory-intensive algorithms in an FPGA. As we all know, memory bandwidth is ...
Bartosz Królak's user avatar
-1 votes
1 answer
111 views

Will a laptop works with missing GPU Power rail? [closed]

I have a skylake laptop with a dedicated graphics, the Mosfets on the buck converter are shorted (at least one of them) so if i cut the 1v gpu power rail will the laptop works again? Thanks in advance....
Eghtb97's user avatar
0 votes
1 answer
131 views

Connecting GPU chips in order to create more powerful graphic card [closed]

I had thoughts about GPU and I came up with an idea. Why not putting more than one GPU chips in order to create a powerful graphic card? Is it possible with ordinary GPU chips or one need custom ...
Bartosz Królak's user avatar
2 votes
1 answer
3k views

Understanding GDDR5 clamshell mode

Let suppose a 256 bit memory controller is installed on a PCB with GDDR5 memory modules. In normal mode you can split the lines into 8 group of 32 bit and drive 8 modules x 1Gbit (128 MB) = 1 GB of ...
Bemipefe's user avatar
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0 votes
1 answer
638 views

Intel iGPU die area and power consumption

What is the Intel's iGPU area occupied on the die (or transistor count) and what is the power consumpition of the iGPU alone? Didnt find any information from Intel, quite odd they dont advertise this ...
kreuzerkrieg's user avatar
1 vote
2 answers
76 views

How to discern quality of a breakout board? other than proper soldering on back of board [closed]

I see three different breakout boards for a project I am doing yet I am not sure which one to pick. How would i know which is of higher quality? I do see a metal circle inserts in board two and ...
user3202058's user avatar
0 votes
3 answers
212 views

Why does the capacitor exist on this breakout board but not others that have same function?

I am looking at using either of these parts to connect to a server power supply. I realize a capacitor helps to regulate voltage. Why would each of these parts that have similar function not both have ...
user3202058's user avatar
0 votes
2 answers
766 views

How can I use an Nvidia GPU with an open-source embedded board? [closed]

Is it possible by any means or method, to use an Nvidia GPU with an (probably open-source) embedded board? If yes, how do I go about achieving that? I have a few ideas but I'm just a beginner, hence ...
Mythos's user avatar
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1 vote
2 answers
258 views

How overvoltaging makes graphic processing unit operate faster?

My teacher told me that we are trying to make transistors smaller so that they require less electricity to operate, hence make them faster (because changing form 1 signal to 0 or vice versa need less ...
Nhu Thai Sanh Nguyen's user avatar
1 vote
2 answers
5k views

Why are there 2 clock rates (core vs memory clock) in the GPU?

I learned at school that the clock rate inside a computer is the signal that keep switching between 0 - 1 (or active - inactive). There's also another delayed clock with the same frequency. These 2 ...
Nhu Thai Sanh Nguyen's user avatar
1 vote
2 answers
1k views

Standard Interface Between LCD and GPU

Almost all smartphones on the market seem to use a distinct LCD as their display, though most use an ARM processor with a GPU from one of a relatively (compared to the screens) small number of ...
Ell's user avatar
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1 vote
2 answers
6k views

Is the bracket of a graphics card grounded?

I would guess so, but I want to make sure. Edit: After measuring with a multimeter, I suspect that brackets (of most graphics cards) are grounded to the graphics card's ground-plane. I measured 0 ohm ...
user avatar
-3 votes
1 answer
163 views

How to design a Video Card with existing GPU (NVDIA/AMD)? [closed]

I searched on the web if there is any documentation about designing a video card using existing GPU (NVDIA/AMD). Let's say, ASUS, MSI and other brands design GTX 960 cards using the same GPU. I'd like ...
lucas92's user avatar
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