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Compare any two graphics cards:
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GeForce GTX 460 1GB vs Radeon HD 6870

Intro

The GeForce GTX 460 1GB makes use of a 40 nm design. nVidia has set the core frequency at 675 MHz. The GDDR5 RAM is set to run at a speed of 900 MHz on this model. It features 336 SPUs as well as 56 Texture Address Units and 32 Rasterization Operator Units.

Compare those specifications to the Radeon HD 6870, which features a core clock frequency of 900 MHz and a GDDR5 memory speed of 1050 MHz. It also features a 256-bit bus, and uses a 40 nm design. It features 1120 SPUs, 56 TAUs, and 32 Raster Operation Units.

Display Graphs

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Battlefield Bad Company 2

Settings: Highest Settings
AA: 4x
AF: 16x
Resolution: 1920x1200
Test Machine: Intel Core i7 920(ES) @ 4.0Ghz (Turbo Mode Enabled) (Source)
Radeon HD 6870 44 FPS
GeForce GTX 460 1GB 35 FPS
Difference: 9 FPS (26%)

DiRT 2

Settings: Highest Details
AA: 4x
AF: none
Resolution: 1920x1200
Test Machine: Intel Core i7 920(ES) @ 4.0Ghz (Turbo Mode Enabled) (Source)
Radeon HD 6870 65 FPS
GeForce GTX 460 1GB 62 FPS
Difference: 3 FPS (5%)

Just Cause 2

Settings: Highest Settings
AA: 4x
AF: 16x
Resolution: 1920x1200
Test Machine: Intel Core i7 920(ES) @ 4.0Ghz (Turbo Mode Enabled) (Source)
Radeon HD 6870 48 FPS
GeForce GTX 460 1GB 39 FPS
Difference: 9 FPS (23%)

Radeon HD 6870 wins

(Based entirely on the benchmarks listed above)

When combining all game benchmark scores on this page together, the Radeon HD 6870 wins overall, by 21 FPS. Please note that we do not have the results of every benchmark ever done for these cards, so the results may differ wildly in different games.

Radeon HD 6870 157 FPS
GeForce GTX 460 1GB 136 FPS
Difference: 21 FPS (15%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6870 151 Watts
GeForce GTX 460 1GB 160 Watts
Difference: 9 Watts (6%)

Memory Bandwidth

In theory, the Radeon HD 6870 will be 17% quicker than the GeForce GTX 460 1GB overall, because of its greater bandwidth. (explain)

Radeon HD 6870 134400 MB/sec
GeForce GTX 460 1GB 115200 MB/sec
Difference: 19200 (17%)

Texel Rate

The Radeon HD 6870 should be a lot (more or less 33%) better at anisotropic filtering than the GeForce GTX 460 1GB. (explain)

Radeon HD 6870 50400 Mtexels/sec
GeForce GTX 460 1GB 37800 Mtexels/sec
Difference: 12600 (33%)

Pixel Rate

The Radeon HD 6870 is much (approximately 33%) better at AA than the GeForce GTX 460 1GB, and also should be able to handle higher resolutions without slowing down too much. (explain)

Radeon HD 6870 28800 Mpixels/sec
GeForce GTX 460 1GB 21600 Mpixels/sec
Difference: 7200 (33%)

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 1GB

Amazon.com

Radeon HD 6870

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 460 1GB Radeon HD 6870
Manufacturer nVidia AMD
Year July 2010 October 2010
Code Name GF104 Barts XT
Fab Process 40 nm 40 nm
Bus PCIe x16 PCIe x16
Memory 1024 MB 1024 MB
Core Speed 675 MHz 900 MHz
Shader Speed 1350 MHz (N/A) MHz
Memory Speed 3600 MHz 4200 MHz
Unified Shaders 336 1120
Texture Mapping Units 56 56
Render Output Units 32 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 4.1
Power (Max TDP) 160 watts 151 watts
Shader Model 5.0 5.0
Bandwidth 115200 MB/sec 134400 MB/sec
Texel Rate 37800 Mtexels/sec 50400 Mtexels/sec
Pixel Rate 21600 Mpixels/sec 28800 Mpixels/sec

Memory Bandwidth: Memory bandwidth is the maximum amount of data (measured in megabytes per second) that can be moved across the external memory interface in one second. It's worked out by multiplying the bus width by its memory clock speed. In the case of DDR type memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly record to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of colour ROPs by the clock 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 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.

Comments

One Response to “GeForce GTX 460 1GB vs Radeon HD 6870”
sam says:

Am a fan of Nvdia graphic cards i have an old 1gb 9400gt and i was planing to upgrade to the high performance Gtx to 150£ MAX but since am in this WEBSITE I thing am buying an Ati card they have better performance an cheaper then the Nvdia so am thinking 6870 is my choice

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