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GeForce GTX 460 SE vs Radeon HD 6870

Intro

The GeForce GTX 460 SE makes use of a 40 nm design. nVidia has clocked the core speed at 650 MHz. The GDDR5 memory runs at a frequency of 850 MHz on this card. It features 288 SPUs as well as 48 TAUs and 32 Rasterization Operator Units.

Compare those specs to the Radeon HD 6870, which features a clock frequency of 900 MHz and a GDDR5 memory frequency of 1050 MHz. It also features a 256-bit memory bus, and makes use of a 40 nm design. It is made up of 1120 SPUs, 56 TAUs, and 32 Raster Operation 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

The Radeon HD 6870 should in theory perform quite a bit 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 will be quite a bit (more or less 62%) more effective at AF 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

The Radeon HD 6870 should be much (approximately 38%) faster with regards to AA than the GeForce GTX 460 SE, and also will be able to handle higher resolutions more effectively. (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: Bandwidth is the largest amount of information (counted in MB per second) that can be transported past the external memory interface in one second. The number is calculated by multiplying the bus width by its memory clock speed. If the card has DDR type memory, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. 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 amount of texture map elements (texels) that are processed in one second. This figure is worked out 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 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 the video card can possibly write to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max 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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