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GeForce GTX 460 SE vs Radeon HD 6790

Intro

The GeForce GTX 460 SE features a GPU core clock speed of 650 MHz, and the 1024 MB of GDDR5 memory runs at 850 MHz through a 256-bit bus. It also is comprised of 288 Stream Processors, 48 TAUs, and 32 ROPs.

Compare all of that to the Radeon HD 6790, which makes use of a 40 nm design. AMD has set the core speed at 840 MHz. The GDDR5 memory runs at a frequency of 1050 MHz on this card. It features 800 SPUs along with 40 TAUs and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Both cards have the same power consumption.

Memory Bandwidth

Theoretically speaking, the Radeon HD 6790 should be a lot faster than the GeForce GTX 460 SE in general. (explain)

Radeon HD 6790 134400 MB/sec
GeForce GTX 460 SE 108800 MB/sec
Difference: 25600 (24%)

Texel Rate

The Radeon HD 6790 will be a bit (about 8%) more effective at texture filtering than the GeForce GTX 460 SE. (explain)

Radeon HD 6790 33600 Mtexels/sec
GeForce GTX 460 SE 31200 Mtexels/sec
Difference: 2400 (8%)

Pixel Rate

If using a high resolution is important to you, then the GeForce GTX 460 SE is a better choice, and very much so. (explain)

GeForce GTX 460 SE 20800 Mpixels/sec
Radeon HD 6790 13440 Mpixels/sec
Difference: 7360 (55%)

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 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 SE Radeon HD 6790
Manufacturer nVidia AMD
Year November 2010 April 2011
Code Name GF104 Barts LE
Memory 1024 MB 1024 MB
Core Speed 650 MHz 840 MHz
Memory Speed 3400 MHz 4200 MHz
Power (Max TDP) 150 watts 150 watts
Bandwidth 108800 MB/sec 134400 MB/sec
Texel Rate 31200 Mtexels/sec 33600 Mtexels/sec
Pixel Rate 20800 Mpixels/sec 13440 Mpixels/sec
Unified Shaders 288 800
Texture Mapping Units 48 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 data (in units of megabytes per second) that can be transferred over the external memory interface within a second. It is worked out by multiplying the bus width by its memory clock speed. In the case of DDR memory, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster 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 per second. This figure is calculated by multiplying the total texture units by the core speed of the chip. The higher the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly record to the local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the number of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - 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 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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