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GeForce GTX 460 2GB vs Radeon HD 6790

Intro

The GeForce GTX 460 2GB has clock speeds of 675 MHz on the GPU, and 900 MHz on the 2048 MB of GDDR5 RAM. It features 336 SPUs along with 56 Texture Address Units and 32 Rasterization Operator Units.

Compare all that to the Radeon HD 6790, which has a GPU core clock speed of 840 MHz, and 1024 MB of GDDR5 memory running at 1050 MHz through a 256-bit bus. It also is comprised of 800 Stream Processors, 40 TAUs, and 16 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6790 150 Watts
GeForce GTX 460 2GB 160 Watts
Difference: 10 Watts (7%)

Memory Bandwidth

Performance-wise, the Radeon HD 6790 should theoretically be a little bit superior to the GeForce GTX 460 2GB overall. (explain)

Radeon HD 6790 134400 MB/sec
GeForce GTX 460 2GB 115200 MB/sec
Difference: 19200 (17%)

Texel Rate

The GeForce GTX 460 2GB will be a small bit (about 13%) more effective at anisotropic filtering than the Radeon HD 6790. (explain)

GeForce GTX 460 2GB 37800 Mtexels/sec
Radeon HD 6790 33600 Mtexels/sec
Difference: 4200 (13%)

Pixel Rate

The GeForce GTX 460 2GB is much (about 61%) better at anti-aliasing than the Radeon HD 6790, and able to handle higher screen resolutions more effectively. (explain)

GeForce GTX 460 2GB 21600 Mpixels/sec
Radeon HD 6790 13440 Mpixels/sec
Difference: 8160 (61%)

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 2GB

Amazon.com

Check prices at:

Radeon HD 6790

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 2GB Radeon HD 6790
Manufacturer nVidia AMD
Year July 2010 April 2011
Code Name GF104 Barts LE
Memory 2048 MB 1024 MB
Core Speed 675 MHz 840 MHz
Memory Speed 3600 MHz 4200 MHz
Power (Max TDP) 160 watts 150 watts
Bandwidth 115200 MB/sec 134400 MB/sec
Texel Rate 37800 Mtexels/sec 33600 Mtexels/sec
Pixel Rate 21600 Mpixels/sec 13440 Mpixels/sec
Unified Shaders 336 800
Texture Mapping Units 56 40
Render Output Units 32 16
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 2.1 x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 4.1

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

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

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly record to its local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also 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, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 460 2GB

Amazon.com

Check prices at:

Radeon HD 6790

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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