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GeForce GTX 580 vs Radeon HD 7750


Intro

The GeForce GTX 580 has a core clock frequency of 772 MHz and a GDDR5 memory speed of 1002 MHz. It also makes use of a 384-bit memory bus, and makes use of a 40 nm design. It is made up of 512 SPUs, 64 TAUs, and 48 Raster Operation Units.

Compare that to the Radeon HD 7750, which features core clock speeds of 800 MHz on the GPU, and 1125 MHz on the 1024 MB of GDDR5 memory. It features 512 SPUs along with 32 Texture Address Units and 16 Rasterization Operator Units.

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

GeForce GTX 580 4960 points
Radeon HD 7750 2240 points
Difference: 2720 (121%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 7750 55 Watts
GeForce GTX 580 244 Watts
Difference: 189 Watts (344%)

Memory Bandwidth

The GeForce GTX 580, in theory, should perform quite a bit faster than the Radeon HD 7750 in general. (explain)

GeForce GTX 580 192384 MB/sec
Radeon HD 7750 72000 MB/sec
Difference: 120384 (167%)

Texel Rate

The GeForce GTX 580 is much (about 93%) faster with regards to texture filtering than the Radeon HD 7750. (explain)

GeForce GTX 580 49408 Mtexels/sec
Radeon HD 7750 25600 Mtexels/sec
Difference: 23808 (93%)

Pixel Rate

The GeForce GTX 580 should be quite a bit (more or less 190%) faster with regards to AA than the Radeon HD 7750, and also capable of handling higher resolutions without losing too much performance. (explain)

GeForce GTX 580 37056 Mpixels/sec
Radeon HD 7750 12800 Mpixels/sec
Difference: 24256 (190%)

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.

Price Comparison

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GeForce GTX 580

Amazon.com

Radeon HD 7750

Amazon.com

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model GeForce GTX 580 Radeon HD 7750
Manufacturer nVidia AMD
Year November 2010 February 2012
Code Name GF110 Cape Verde Pro
Memory 1536 MB 1024 MB
Core Speed 772 MHz 800 MHz
Memory Speed 4008 MHz 4500 MHz
Power (Max TDP) 244 watts 55 watts
Bandwidth 192384 MB/sec 72000 MB/sec
Texel Rate 49408 Mtexels/sec 25600 Mtexels/sec
Pixel Rate 37056 Mpixels/sec 12800 Mpixels/sec
Unified Shaders 512 512
Texture Mapping Units 64 32
Render Output Units 48 16
Bus Type GDDR5 GDDR5
Bus Width 384-bit 128-bit
Fab Process 40 nm 28 nm
Transistors 3000 million 1500 million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 11.1
OpenGL Version OpenGL 4.1 OpenGL 4.2

Memory Bandwidth: Bandwidth is the max amount of data (counted in MB per second) that can be moved across the external memory interface in a second. The number is worked out by multiplying the card's interface width by its memory speed. In the case of DDR RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, 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 amount of texture map elements (texels) that are processed per second. This is calculated by multiplying the total texture units by the core speed of the chip. The higher the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly record to its local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the number of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

GeForce GTX 580

Amazon.com

Radeon HD 7750

Amazon.com

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

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