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GeForce GTX 260 Core 216 vs Radeon HD 6790

Intro

The GeForce GTX 260 Core 216 comes with core clock speeds of 576 MHz on the GPU, and 999 MHz on the 896 MB of GDDR3 memory. It features 216 SPUs along with 72 TAUs and 28 Rasterization Operator Units.

Compare all that to the Radeon HD 6790, which makes use of a 40 nm design. AMD has clocked the core speed at 840 MHz. The GDDR5 RAM works at a speed of 1050 MHz on this particular card. It features 800 SPUs along with 40 Texture Address Units and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6790 150 Watts
GeForce GTX 260 Core 216 202 Watts
Difference: 52 Watts (35%)

Memory Bandwidth

Theoretically, the Radeon HD 6790 should perform a bit faster than the GeForce GTX 260 Core 216 overall. (explain)

Radeon HD 6790 134400 MB/sec
GeForce GTX 260 Core 216 111888 MB/sec
Difference: 22512 (20%)

Texel Rate

The GeForce GTX 260 Core 216 is a lot (approximately 23%) better at anisotropic filtering than the Radeon HD 6790. (explain)

GeForce GTX 260 Core 216 41472 Mtexels/sec
Radeon HD 6790 33600 Mtexels/sec
Difference: 7872 (23%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce GTX 260 Core 216 is superior to the Radeon HD 6790, not by a very large margin though. (explain)

GeForce GTX 260 Core 216 16128 Mpixels/sec
Radeon HD 6790 13440 Mpixels/sec
Difference: 2688 (20%)

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 260 Core 216

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 260 Core 216 Radeon HD 6790
Manufacturer nVidia AMD
Year September 16, 2008 April 2011
Code Name G200 Barts LE
Memory 896 MB 1024 MB
Core Speed 576 MHz 840 MHz
Memory Speed 1998 MHz 4200 MHz
Power (Max TDP) 202 watts 150 watts
Bandwidth 111888 MB/sec 134400 MB/sec
Texel Rate 41472 Mtexels/sec 33600 Mtexels/sec
Pixel Rate 16128 Mpixels/sec 13440 Mpixels/sec
Unified Shaders 216 800
Texture Mapping Units 72 40
Render Output Units 28 16
Bus Type GDDR3 GDDR5
Bus Width 448-bit 256-bit
Fab Process 65 nm 40 nm
Transistors 1400 million 1700 million
Bus PCIe x16 2.0 PCIe 2.1 x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.1 OpenGL 4.1

Memory Bandwidth: Bandwidth is the max amount of data (in units of megabytes per second) that can be transferred past the external memory interface in a second. It's calculated by multiplying the card's interface width by its memory speed. If it uses DDR type memory, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the memory bandwidth, 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 amount of texture map elements (texels) that can be applied per second. This figure is worked out by multiplying the total number 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 handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly record to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant 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 260 Core 216

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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