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Radeon R7 260X vs Radeon R9 M280X

Intro

The Radeon R7 260X features a core clock frequency of 1100 MHz and a GDDR5 memory speed of 1625 MHz. It also makes use of a 128-bit memory bus, and makes use of a 28 nm design. It is comprised of 896 SPUs, 56 Texture Address Units, and 16 ROPs.

Compare all that to the Radeon R9 M280X, which comes with core speeds of 900 MHz on the GPU, and 1375 MHz on the 4096 MB of GDDR5 RAM. 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 R9 M280X 75 Watts
Radeon R7 260X 115 Watts
Difference: 40 Watts (53%)

Memory Bandwidth

As far as performance goes, the Radeon R7 260X should theoretically be a small bit superior to the Radeon R9 M280X overall. (explain)

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

Texel Rate

The Radeon R7 260X will be much (more or less 22%) better at AF than the Radeon R9 M280X. (explain)

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

Pixel Rate

If running with a high resolution is important to you, then the Radeon R7 260X is a better choice, and very much so. (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: Memory bandwidth is the maximum amount of information (in units of MB per second) that can be transferred past the external memory interface within a second. It is worked out by multiplying the bus width by its memory speed. If the card has DDR RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied per second. This number is calculated by multiplying the total number of texture units of the card by the core speed of the chip. The better the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly write to the local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach 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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