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GeForce GTX 580 3GB vs Radeon HD 5970

Intro

The GeForce GTX 580 3GB features a GPU core clock speed of 772 MHz, and the 3072 MB of GDDR5 RAM runs at 1002 MHz through a 384-bit bus. It also is made up of 512 Stream Processors, 64 TAUs, and 48 Raster Operation Units.

Compare those specs to the Radeon HD 5970, which makes use of a 40 nm design. AMD has set the core speed at 725 MHz. The GDDR5 RAM works at a frequency of 1000 MHz on this particular card. It features 1600 SPUs as well as 160 Texture Address Units and 64 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 580 3GB 244 Watts
Radeon HD 5970 294 Watts
Difference: 50 Watts (20%)

Memory Bandwidth

In theory, the Radeon HD 5970 should be 33% faster than the GeForce GTX 580 3GB overall, due to its greater bandwidth. (explain)

Radeon HD 5970 256000 MB/sec
GeForce GTX 580 3GB 192384 MB/sec
Difference: 63616 (33%)

Texel Rate

The Radeon HD 5970 should be much (more or less 370%) more effective at texture filtering than the GeForce GTX 580 3GB. (explain)

Radeon HD 5970 232000 Mtexels/sec
GeForce GTX 580 3GB 49408 Mtexels/sec
Difference: 182592 (370%)

Pixel Rate

The Radeon HD 5970 will be quite a bit (approximately 150%) faster with regards to AA than the GeForce GTX 580 3GB, and will be capable of handling higher screen resolutions without losing too much performance. (explain)

Radeon HD 5970 92800 Mpixels/sec
GeForce GTX 580 3GB 37056 Mpixels/sec
Difference: 55744 (150%)

Please note that the above 'benchmarks' are all just theoretical - the results were calculated based on the card's specifications, and real-world performance may (and probably will) vary at least a bit.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

GeForce GTX 580 3GB

Radeon HD 5970

Specifications

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Model GeForce GTX 580 3GB Radeon HD 5970
Manufacturer nVidia AMD
Year November 2010 November 2009
Code Name GF110 Hemlock XT
Memory 3072 MB 1024 MB (x2)
Core Speed 772 MHz 725 MHz (x2)
Memory Speed 4008 MHz 4000 MHz (x2)
Power (Max TDP) 244 watts 294 watts
Bandwidth 192384 MB/sec 256000 MB/sec
Texel Rate 49408 Mtexels/sec 232000 Mtexels/sec
Pixel Rate 37056 Mpixels/sec 92800 Mpixels/sec
Unified Shaders 512 1600 (x2)
Texture Mapping Units 64 160 (x2)
Render Output Units 48 64 (x2)
Bus Type GDDR5 GDDR5
Bus Width 384-bit 256-bit (x2)
Fab Process 40 nm 40 nm
Transistors 3000 million 2154 million
Bus PCIe x16 PCIe x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 4.1

Memory Bandwidth: Bandwidth is the maximum amount of data (measured in megabytes per second) that can be transported over the external memory interface within a second. The number is calculated by multiplying the bus width by its memory speed. If it uses DDR type memory, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the bandwidth is, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed per second. This is calculated by multiplying the total number of texture units by the core clock speed of the chip. The better this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip can possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

GeForce GTX 580 3GB

Radeon HD 5970

Comments

7 Responses to “GeForce GTX 580 3GB vs Radeon HD 5970”
kostas says:

so HD 5970 2GB IS THE BEST GRAPHICS CARD IN THE WORLD what about ATI RADEON 5970 4GB
OOOOOOOOOOOOOOOOOOOO :0

kostas says:

it should be 50 percent better.......ambelivible

Dave says:

These are theoretical numbers. The 3gb 580 would perform much closer to that of the 5970 than this.

hakeeme says:

i dont believe this

nic says:

yes i would like to see the 5970 4gb on this website, also the upcoming classified 580 3gb.

LOL says:

Bunch of morons!!! Yeah theoretical and actual makes a huge diff!!! Dumb@sses!!

shooter says:

Hate to disappoint all the nVidia fanboys, but the GTX580 Classified, FTW or whatever else nVidia is trying to release these days will still get spanked by the ATI 5970. Better take a closer look at those specs of the 5970...here's a refresher 1600 SPUs as well as 160 TAUs and 64 ROPs GTX580 doesn't even come close so $499.99 and still getting spanked by the ATI 5970 and I have two of these puppies in crossfireX want to see those real world benchmarks against your Tri-SLI GTX580's?

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