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Radeon R7 260X vs Radeon R9 M290X

Intro

The Radeon R7 260X comes with clock speeds of 1100 MHz on the GPU, and 1625 MHz on the 2048 MB of GDDR5 RAM. It features 896 SPUs as well as 56 Texture Address Units and 16 Rasterization Operator Units.

Compare all of that to the Radeon R9 M290X, which has a clock speed of 850 MHz and a GDDR5 memory speed of 1200 MHz. It also makes use of a 256-bit memory bus, and makes use of a 28 nm design. It is made up of 1280 SPUs, 80 TAUs, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 M290X 100 Watts
Radeon R7 260X 115 Watts
Difference: 15 Watts (15%)

Memory Bandwidth

Performance-wise, the Radeon R9 M290X should theoretically be a lot superior to the Radeon R7 260X in general. (explain)

Radeon R9 M290X 153600 MB/sec
Radeon R7 260X 104000 MB/sec
Difference: 49600 (48%)

Texel Rate

The Radeon R9 M290X should be a little bit (approximately 10%) better at anisotropic filtering than the Radeon R7 260X. (explain)

Radeon R9 M290X 68000 Mtexels/sec
Radeon R7 260X 61600 Mtexels/sec
Difference: 6400 (10%)

Pixel Rate

The Radeon R9 M290X will be much (about 55%) more effective at anti-aliasing than the Radeon R7 260X, and also capable of handling higher resolutions while still performing well. (explain)

Radeon R9 M290X 27200 Mpixels/sec
Radeon R7 260X 17600 Mpixels/sec
Difference: 9600 (55%)

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 M290X

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 M290X
Manufacturer AMD AMD
Year October 2013 May 1 2014
Code Name Bonaire XTX Neptune XT
Memory 2048 MB 4096 MB
Core Speed 1100 MHz 850 MHz
Memory Speed 6500 MHz 4800 MHz
Power (Max TDP) 115 watts 100 watts
Bandwidth 104000 MB/sec 153600 MB/sec
Texel Rate 61600 Mtexels/sec 68000 Mtexels/sec
Pixel Rate 17600 Mpixels/sec 27200 Mpixels/sec
Unified Shaders 896 1280
Texture Mapping Units 56 80
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 11.2
OpenGL Version OpenGL 4.3 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the maximum amount of data (measured in megabytes per second) that can be transferred over the external memory interface in a second. The number is worked out by multiplying the card's interface width by its memory clock speed. In the case of DDR memory, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly record to its local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

Radeon R7 260X

Amazon.com

Check prices at:

Radeon R9 M290X

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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