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Radeon R7 260X vs Radeon R9 M395X

Intro

The Radeon R7 260X comes with a core clock speed of 1100 MHz and a GDDR5 memory speed of 1625 MHz. It also uses a 128-bit memory bus, and uses a 28 nm design. It features 896 SPUs, 56 TAUs, and 16 ROPs.

Compare all of that to the Radeon R9 M395X, which makes use of a 28 nm design. AMD has set the core frequency at 723 MHz. The GDDR5 RAM runs at a frequency of 1250 MHz on this card. It features 2048 SPUs along with 128 Texture Address Units and 32 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 260X 115 Watts
Radeon R9 M395X 125 Watts
Difference: 10 Watts (9%)

Memory Bandwidth

The Radeon R9 M395X, in theory, should be much faster than the Radeon R7 260X in general. (explain)

Radeon R9 M395X 160000 MB/sec
Radeon R7 260X 104000 MB/sec
Difference: 56000 (54%)

Texel Rate

The Radeon R9 M395X should be much (more or less 50%) better at texture filtering than the Radeon R7 260X. (explain)

Radeon R9 M395X 92544 Mtexels/sec
Radeon R7 260X 61600 Mtexels/sec
Difference: 30944 (50%)

Pixel Rate

If running with a high screen resolution is important to you, then the Radeon R9 M395X is the winner, by far. (explain)

Radeon R9 M395X 23136 Mpixels/sec
Radeon R7 260X 17600 Mpixels/sec
Difference: 5536 (31%)

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 M395X

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 M395X
Manufacturer AMD AMD
Year October 2013 2015
Code Name Bonaire XTX Tonga
Memory 2048 MB 4096 MB
Core Speed 1100 MHz 723 MHz
Memory Speed 6500 MHz 5000 MHz
Power (Max TDP) 115 watts 125 watts
Bandwidth 104000 MB/sec 160000 MB/sec
Texel Rate 61600 Mtexels/sec 92544 Mtexels/sec
Pixel Rate 17600 Mpixels/sec 23136 Mpixels/sec
Unified Shaders 896 2048
Texture Mapping Units 56 128
Render Output Units 16 32
Bus Type GDDR5 GDDR5
Bus Width 128-bit 256-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 12
OpenGL Version OpenGL 4.3 OpenGL 4.3

Memory Bandwidth: Bandwidth is the maximum amount of information (in units of megabytes per second) that can be transferred over the external memory interface in a second. The number is worked out by multiplying the interface width by its memory speed. If the card has DDR type RAM, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied in one second. This figure is worked out by multiplying the total number of texture units by the core clock speed of the chip. The better 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 video card could possibly record to its local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of colour ROPs by the the core 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 fill rate is also dependant on many 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

Radeon R7 260X

Amazon.com

Check prices at:

Radeon R9 M395X

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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