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GeForce GTX 280 vs Radeon HD 5770


The GeForce GTX 280 comes with a GPU clock speed of 602 MHz, and the 1024 MB of GDDR3 RAM runs at 1107 MHz through a 512-bit bus. It also is made up of 240 SPUs, 80 TAUs, and 32 Raster Operation Units.

Compare all of that to the Radeon HD 5770, which comes with core 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 TAUs and 16 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5770 108 Watts
GeForce GTX 280 236 Watts
Difference: 128 Watts (119%)

Memory Bandwidth

Performance-wise, the GeForce GTX 280 should theoretically be quite a bit superior to the Radeon HD 5770 overall. (explain)

GeForce GTX 280 141696 MB/sec
Radeon HD 5770 76800 MB/sec
Difference: 64896 (85%)

Texel Rate

The GeForce GTX 280 should be a lot (more or less 42%) more effective at texture filtering than the Radeon HD 5770. (explain)

GeForce GTX 280 48160 Mtexels/sec
Radeon HD 5770 34000 Mtexels/sec
Difference: 14160 (42%)

Pixel Rate

If running with high levels of AA is important to you, then the GeForce GTX 280 is a better choice, by a large margin. (explain)

GeForce GTX 280 19264 Mpixels/sec
Radeon HD 5770 13600 Mpixels/sec
Difference: 5664 (42%)

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 280

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 280 Radeon HD 5770
Manufacturer nVidia AMD
Year June 17, 2008 October 13, 2009
Code Name G200 Juniper XT
Memory 1024 MB 1024 MB
Core Speed 602 MHz 850 MHz
Memory Speed 2214 MHz 4800 MHz
Power (Max TDP) 236 watts 108 watts
Bandwidth 141696 MB/sec 76800 MB/sec
Texel Rate 48160 Mtexels/sec 34000 Mtexels/sec
Pixel Rate 19264 Mpixels/sec 13600 Mpixels/sec
Unified Shaders 240 800(160x5)
Texture Mapping Units 80 40
Render Output Units 32 16
Bus Type GDDR3 GDDR5
Bus Width 512-bit 128-bit
Fab Process 65 nm 40 nm
Transistors 1400 million 1040 million
Bus PCIe x16 2.0 PCIe 2.1 x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.1 OpenGL 3.2

Memory Bandwidth: Bandwidth is the maximum amount of information (counted in MB per second) that can be moved past 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 type memory, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

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


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