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GeForce GTX 460 vs Radeon HD 5770


The GeForce GTX 460 features clock speeds of 675 MHz on the GPU, and 900 MHz on the 768 MB of GDDR5 RAM. It features 336 SPUs as well as 56 Texture Address Units and 24 ROPs.

Compare all that to the Radeon HD 5770, which comes with clock speeds of 850 MHz on the GPU, and 1200 MHz on the 1024 MB of GDDR5 memory. It features 800(160x5) SPUs as well as 40 Texture Address Units and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5770 108 Watts
GeForce GTX 460 150 Watts
Difference: 42 Watts (39%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 460 should be 13% faster than the Radeon HD 5770 overall, due to its higher data rate. (explain)

GeForce GTX 460 86400 MB/sec
Radeon HD 5770 76800 MB/sec
Difference: 9600 (13%)

Texel Rate

The GeForce GTX 460 is just a bit (approximately 11%) better at AF than the Radeon HD 5770. (explain)

GeForce GTX 460 37800 Mtexels/sec
Radeon HD 5770 34000 Mtexels/sec
Difference: 3800 (11%)

Pixel Rate

If using a high resolution is important to you, then the GeForce GTX 460 is a better choice, though not by far. (explain)

GeForce GTX 460 16200 Mpixels/sec
Radeon HD 5770 13600 Mpixels/sec
Difference: 2600 (19%)

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 460

Radeon HD 5770

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.


Display Specifications

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Model GeForce GTX 460 Radeon HD 5770
Manufacturer nVidia AMD
Year July 2010 October 13, 2009
Code Name GF104 Juniper XT
Memory 768 MB 1024 MB
Core Speed 675 MHz 850 MHz
Memory Speed 3600 MHz 4800 MHz
Power (Max TDP) 150 watts 108 watts
Bandwidth 86400 MB/sec 76800 MB/sec
Texel Rate 37800 Mtexels/sec 34000 Mtexels/sec
Pixel Rate 16200 Mpixels/sec 13600 Mpixels/sec
Unified Shaders 336 800(160x5)
Texture Mapping Units 56 40
Render Output Units 24 16
Bus Type GDDR5 GDDR5
Bus Width 192-bit 128-bit
Fab Process 40 nm 40 nm
Transistors 1950 million 1040 million
Bus PCIe x16 PCIe 2.1 x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 3.2

Memory Bandwidth: Bandwidth is the maximum amount of information (counted in MB per second) that can be moved across the external memory interface in a second. It's calculated by multiplying the card's interface width by its memory clock speed. If the card has DDR type memory, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

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

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


One Response to “GeForce GTX 460 vs Radeon HD 5770”
New Graphics Card (£100ish budget) - discussion forums says:

[...] intensive games (eg Crysis) but realistically speaking it should do you very well. Comparison: Note that the 5770 runs at a smooth 30fps @ 1920x1200 on Battlefield Bad Company 2 on High with [...]

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