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Radeon R7 260X vs Radeon R9 M280X

Intro

The Radeon R7 260X features a GPU clock speed of 1100 MHz, and the 2048 MB of GDDR5 RAM is set to run at 1625 MHz through a 128-bit bus. It also is comprised of 896 Stream Processors, 56 TAUs, and 16 ROPs.

Compare all of that to the Radeon R9 M280X, which comes with GPU core speed of 900 MHz, and 4096 MB of GDDR5 memory running at 1375 MHz through a 128-bit bus. It also is comprised of 896 Stream Processors, 56 TAUs, and 16 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 M280X 75 Watts
Radeon R7 260X 115 Watts
Difference: 40 Watts (53%)

Memory Bandwidth

In theory, the Radeon R7 260X should be 18% quicker than the Radeon R9 M280X overall, due to its higher data rate. (explain)

Radeon R7 260X 104000 MB/sec
Radeon R9 M280X 88000 MB/sec
Difference: 16000 (18%)

Texel Rate

The Radeon R7 260X will be a lot (about 22%) faster with regards to texture filtering than the Radeon R9 M280X. (explain)

Radeon R7 260X 61600 Mtexels/sec
Radeon R9 M280X 50400 Mtexels/sec
Difference: 11200 (22%)

Pixel Rate

The Radeon R7 260X will be much (more or less 22%) faster with regards to full screen anti-aliasing than the Radeon R9 M280X, and also should be capable of handling higher resolutions without slowing down too much. (explain)

Radeon R7 260X 17600 Mpixels/sec
Radeon R9 M280X 14400 Mpixels/sec
Difference: 3200 (22%)

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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Radeon R7 260X

Amazon.com

Check prices at:

Radeon R9 M280X

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 Radeon R7 260X Radeon R9 M280X
Manufacturer AMD AMD
Year October 2013 Feb 9 2015
Code Name Bonaire XTX Saturn XT
Memory 2048 MB 4096 MB
Core Speed 1100 MHz 900 MHz
Memory Speed 6500 MHz 5500 MHz
Power (Max TDP) 115 watts 75 watts
Bandwidth 104000 MB/sec 88000 MB/sec
Texel Rate 61600 Mtexels/sec 50400 Mtexels/sec
Pixel Rate 17600 Mpixels/sec 14400 Mpixels/sec
Unified Shaders 896 896
Texture Mapping Units 56 56
Render Output Units 16 16
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 28 nm 28 nm
Transistors 2080 million (Unknown) million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.2 DirectX 11.2
OpenGL Version OpenGL 4.3 OpenGL 4.3

Memory Bandwidth: Bandwidth is the largest amount of information (measured in megabytes per second) that can be moved past the external memory interface in one second. It is worked out by multiplying the card's interface width by its memory speed. If it uses DDR type RAM, the result should be multiplied by 2 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 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 calculated by multiplying the total texture units of the card by the core clock 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 applied per second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly record to the local memory in one 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 - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

Hide Prices

Radeon R7 260X

Amazon.com

Check prices at:

Radeon R9 M280X

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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