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Radeon R7 260X vs Radeon R9 M395X

Intro

The Radeon R7 260X has core clock speeds of 1100 MHz on the GPU, and 1625 MHz on the 2048 MB of GDDR5 memory. It features 896 SPUs along with 56 TAUs and 16 Rasterization Operator Units.

Compare those specifications to the Radeon R9 M395X, which features a clock frequency of 723 MHz and a GDDR5 memory frequency of 1250 MHz. It also makes use of a 256-bit memory bus, and uses a 28 nm design. It features 2048 SPUs, 128 TAUs, and 32 ROPs.

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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

Theoretically speaking, the Radeon R9 M395X should be 54% faster than the Radeon R7 260X in general, because of its higher bandwidth. (explain)

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

Texel Rate

The Radeon R9 M395X is a lot (approximately 50%) better at anisotropic 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 using a high resolution is important to you, then the Radeon R9 M395X is the winner, and very much so. (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

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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: Memory bandwidth is the maximum amount of data (in units of MB per second) that can be moved past the external memory interface in a second. It is worked out by multiplying the card's bus width by its memory speed. If it uses DDR memory, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the bandwidth is, the faster 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 texture map elements (texels) that are applied per second. This is calculated by multiplying the total texture units by the core speed of the chip. The better the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly record to its local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Render Output Units 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 quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability 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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