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Radeon HD 5870 vs Radeon R7 M260X

Intro

The Radeon HD 5870 features a GPU core speed of 850 MHz, and the 1024 MB of GDDR5 RAM runs at 1200 MHz through a 256-bit bus. It also is comprised of 1600(320x5) Stream Processors, 80 Texture Address Units, and 32 Raster Operation Units.

Compare those specifications to the Radeon R7 M260X, which comes with a core clock frequency of 825 MHz and a GDDR5 memory frequency of 1000 MHz. It also makes use of a 128-bit bus, and makes use of a 28 nm design. It is comprised of 384 SPUs, 24 TAUs, and 8 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the Radeon HD 5870 should be 140% quicker than the Radeon R7 M260X overall, because of its greater bandwidth. (explain)

Radeon HD 5870 153600 MB/sec
Radeon R7 M260X 64000 MB/sec
Difference: 89600 (140%)

Texel Rate

The Radeon HD 5870 will be much (more or less 243%) faster with regards to anisotropic filtering than the Radeon R7 M260X. (explain)

Radeon HD 5870 68000 Mtexels/sec
Radeon R7 M260X 19800 Mtexels/sec
Difference: 48200 (243%)

Pixel Rate

If using high levels of AA is important to you, then the Radeon HD 5870 is the winner, by far. (explain)

Radeon HD 5870 27200 Mpixels/sec
Radeon R7 M260X 6600 Mpixels/sec
Difference: 20600 (312%)

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 HD 5870

Amazon.com

Check prices at:

Radeon R7 M260X

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 HD 5870 Radeon R7 M260X
Manufacturer AMD AMD
Year September 23, 2009 June 2014
Code Name Cypress XT Opal
Memory 1024 MB 2048 MB
Core Speed 850 MHz 825 MHz
Memory Speed 4800 MHz 4000 MHz
Power (Max TDP) 188 watts (Unknown) watts
Bandwidth 153600 MB/sec 64000 MB/sec
Texel Rate 68000 Mtexels/sec 19800 Mtexels/sec
Pixel Rate 27200 Mpixels/sec 6600 Mpixels/sec
Unified Shaders 1600(320x5) 384
Texture Mapping Units 80 24
Render Output Units 32 8
Bus Type GDDR5 GDDR5
Bus Width 256-bit 128-bit
Fab Process 40 nm 28 nm
Transistors 2154 million (Unknown) million
Bus PCIe 2.1 x16 PCIe 3.0 x8
DirectX Version DirectX 11 DirectX 11.2
OpenGL Version OpenGL 3.2 OpenGL 4.3

Memory Bandwidth: Bandwidth is the maximum amount of data (counted in MB per second) that can be transported past the external memory interface in a second. It's worked out by multiplying the interface width by its memory clock speed. In the case of DDR RAM, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better 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 number is worked out by multiplying the total texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the graphics card will be at 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 that the graphics card can possibly write to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

Hide Prices

Radeon HD 5870

Amazon.com

Check prices at:

Radeon R7 M260X

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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