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Radeon R7 M260 vs Radeon R9 M280X

Intro

The Radeon R7 M260 features core clock speeds of 715 MHz on the GPU, and 1000 MHz on the 2048 MB of DDR3 RAM. It features 384 SPUs along with 24 TAUs and 8 ROPs.

Compare that to the Radeon R9 M280X, which comes with clock speeds of 900 MHz on the GPU, and 1375 MHz on the 4096 MB of GDDR5 memory. It features 896 SPUs as well as 56 Texture Address Units and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically speaking, the Radeon R9 M280X should be quite a bit faster than the Radeon R7 M260 overall. (explain)

Radeon R9 M280X 88000 MB/sec
Radeon R7 M260 16000 MB/sec
Difference: 72000 (450%)

Texel Rate

The Radeon R9 M280X will be quite a bit (approximately 194%) better at anisotropic filtering than the Radeon R7 M260. (explain)

Radeon R9 M280X 50400 Mtexels/sec
Radeon R7 M260 17160 Mtexels/sec
Difference: 33240 (194%)

Pixel Rate

The Radeon R9 M280X should be a lot (about 152%) better at anti-aliasing than the Radeon R7 M260, and also should be capable of handling higher screen resolutions more effectively. (explain)

Radeon R9 M280X 14400 Mpixels/sec
Radeon R7 M260 5720 Mpixels/sec
Difference: 8680 (152%)

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 M260

Amazon.com

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Radeon R9 M280X

Amazon.com

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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 M260 Radeon R9 M280X
Manufacturer AMD AMD
Year June 2014 Feb 9 2015
Code Name Opal/Topaz Saturn XT
Memory 2048 MB 4096 MB
Core Speed 715 MHz 900 MHz
Memory Speed 2000 MHz 5500 MHz
Power (Max TDP) (Unknown) watts 75 watts
Bandwidth 16000 MB/sec 88000 MB/sec
Texel Rate 17160 Mtexels/sec 50400 Mtexels/sec
Pixel Rate 5720 Mpixels/sec 14400 Mpixels/sec
Unified Shaders 384 896
Texture Mapping Units 24 56
Render Output Units 8 16
Bus Type DDR3 GDDR5
Bus Width 64-bit 128-bit
Fab Process 28 nm 28 nm
Transistors (Unknown) million (Unknown) million
Bus PCIe 3.0 x8 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 largest amount of data (in units of MB per second) that can be moved over the external memory interface within a second. It's calculated by multiplying the interface width by the speed of its memory. If it uses DDR type RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, 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 amount of texture map elements (texels) that are processed in one second. This number is worked out by multiplying the total number of texture units by the core clock speed of the chip. The higher the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly record to its local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of colour ROPs by the the core 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 fill rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

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Radeon R7 M260

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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