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GeForce GTX 460 SE vs Radeon HD 6870

Intro

The GeForce GTX 460 SE comes with core speeds of 650 MHz on the GPU, and 850 MHz on the 1024 MB of GDDR5 RAM. It features 288 SPUs as well as 48 Texture Address Units and 32 Rasterization Operator Units.

Compare all that to the Radeon HD 6870, which comes with core clock speeds of 900 MHz on the GPU, and 1050 MHz on the 1024 MB of GDDR5 RAM. It features 1120 SPUs along with 56 Texture Address Units and 32 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 460 SE 150 Watts
Radeon HD 6870 151 Watts
Difference: 1 Watts (1%)

Memory Bandwidth

Theoretically, the Radeon HD 6870 should be much faster than the GeForce GTX 460 SE in general. (explain)

Radeon HD 6870 134400 MB/sec
GeForce GTX 460 SE 108800 MB/sec
Difference: 25600 (24%)

Texel Rate

The Radeon HD 6870 is quite a bit (more or less 62%) faster with regards to anisotropic filtering than the GeForce GTX 460 SE. (explain)

Radeon HD 6870 50400 Mtexels/sec
GeForce GTX 460 SE 31200 Mtexels/sec
Difference: 19200 (62%)

Pixel Rate

If running with a high screen resolution is important to you, then the Radeon HD 6870 is the winner, and very much so. (explain)

Radeon HD 6870 28800 Mpixels/sec
GeForce GTX 460 SE 20800 Mpixels/sec
Difference: 8000 (38%)

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 SE

Amazon.com

Check prices at:

Radeon HD 6870

Amazon.com

Check prices at:

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 460 SE Radeon HD 6870
Manufacturer nVidia AMD
Year November 2010 October 2010
Code Name GF104 Barts XT
Memory 1024 MB 1024 MB
Core Speed 650 MHz 900 MHz
Memory Speed 3400 MHz 4200 MHz
Power (Max TDP) 150 watts 151 watts
Bandwidth 108800 MB/sec 134400 MB/sec
Texel Rate 31200 Mtexels/sec 50400 Mtexels/sec
Pixel Rate 20800 Mpixels/sec 28800 Mpixels/sec
Unified Shaders 288 1120
Texture Mapping Units 48 56
Render Output Units 32 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit
Fab Process 40 nm 40 nm
Transistors 1950 million 1700 million
Bus PCIe x16 PCIe x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the maximum amount of data (measured in MB per second) that can be moved past the external memory interface within a second. It's worked out by multiplying the interface width by its memory clock speed. If it uses DDR type memory, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. 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 texture map elements (texels) that are processed in one second. This figure is calculated by multiplying the total number of texture units by the core clock speed of the chip. The better the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly write to the local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the number of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 460 SE

Amazon.com

Check prices at:

Radeon HD 6870

Amazon.com

Check prices at:

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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