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Radeon R7 260X vs Radeon R9 M395X

Intro

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

Compare that to the Radeon R9 M395X, which has a clock speed of 723 MHz and a GDDR5 memory frequency of 1250 MHz. It also features a 256-bit memory bus, and uses a 28 nm design. It is made up of 2048 SPUs, 128 Texture Address Units, and 32 Raster Operation 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

As far as performance goes, the Radeon R9 M395X should theoretically be quite a bit superior to 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 is much (about 50%) more effective at AF 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 high levels of AA is important to you, then the Radeon R9 M395X is a better choice, by a large margin. (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 largest amount of information (measured in MB per second) that can be moved over the external memory interface in a second. It is calculated by multiplying the card's interface width by its memory speed. In the case of DDR type memory, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster 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 texture map elements (texels) that are applied per second. This number is calculated by multiplying the total amount of texture units by the core speed of the chip. The better this number, the better the graphics 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 the video card can possibly record to the local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Raster Operations Pipelines by the the card's 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 is also dependant on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the max 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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