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GeForce GTX 260 Core 216 vs Radeon HD 7790

Intro

The GeForce GTX 260 Core 216 has a core clock speed of 576 MHz and a GDDR3 memory frequency of 999 MHz. It also features a 448-bit bus, and makes use of a 65 nm design. It is made up of 216 SPUs, 72 Texture Address Units, and 28 ROPs.

Compare that to the Radeon HD 7790, which makes use of a 28 nm design. AMD has clocked the core speed at 1000 MHz. The GDDR5 memory is set to run at a speed of 1500 MHz on this particular model. It features 896 SPUs as well as 56 TAUs and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 7790 85 Watts
GeForce GTX 260 Core 216 202 Watts
Difference: 117 Watts (138%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 260 Core 216 should in theory be a little bit better than the Radeon HD 7790 in general. (explain)

GeForce GTX 260 Core 216 111888 MB/sec
Radeon HD 7790 96000 MB/sec
Difference: 15888 (17%)

Texel Rate

The Radeon HD 7790 is a lot (more or less 35%) more effective at AF than the GeForce GTX 260 Core 216. (explain)

Radeon HD 7790 56000 Mtexels/sec
GeForce GTX 260 Core 216 41472 Mtexels/sec
Difference: 14528 (35%)

Pixel Rate

The GeForce GTX 260 Core 216 should be a little bit (approximately 1%) more effective at AA than the Radeon HD 7790, and will be capable of handling higher resolutions without slowing down too much. (explain)

GeForce GTX 260 Core 216 16128 Mpixels/sec
Radeon HD 7790 16000 Mpixels/sec
Difference: 128 (1%)

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 7790

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 7790
Manufacturer nVidia AMD
Year September 16, 2008 March 2013
Code Name G200 Bonaire XT
Memory 896 MB 1024 MB
Core Speed 576 MHz 1000 MHz
Memory Speed 1998 MHz 6000 MHz
Power (Max TDP) 202 watts 85 watts
Bandwidth 111888 MB/sec 96000 MB/sec
Texel Rate 41472 Mtexels/sec 56000 Mtexels/sec
Pixel Rate 16128 Mpixels/sec 16000 Mpixels/sec
Unified Shaders 216 896
Texture Mapping Units 72 56
Render Output Units 28 16
Bus Type GDDR3 GDDR5
Bus Width 448-bit 128-bit
Fab Process 65 nm 28 nm
Transistors 1400 million 2080 million
Bus PCIe x16 2.0 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 11.1
OpenGL Version OpenGL 3.1 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the largest amount of data (in units of megabytes per second) that can be transported past the external memory interface in a second. It is worked out by multiplying the card's bus width by its memory clock speed. In the case of DDR type memory, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, 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 texture map elements (texels) that can be applied in one second. This number is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The higher the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card could possibly write to its local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the amount of ROPs by the the card's clock speed. 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 quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

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GeForce GTX 260 Core 216

Amazon.com

Check prices at:

Radeon HD 7790

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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