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Radeon HD 5670 vs Radeon R7 M260X

Intro

The Radeon HD 5670 has a core clock speed of 775 MHz and a GDDR5 memory speed of 1000 MHz. It also uses a 128-bit memory bus, and uses a 40 nm design. It features 400(80x5) SPUs, 20 Texture Address Units, and 8 ROPs.

Compare those specifications to the Radeon R7 M260X, which features a clock speed of 825 MHz and a GDDR5 memory frequency of 1000 MHz. It also features a 128-bit bus, and makes use of a 28 nm design. It features 384 SPUs, 24 TAUs, and 8 ROPs.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Both cards have the exact same bandwidth, so theoretically they should have identical performance. (explain)

Texel Rate

The Radeon R7 M260X will be much (more or less 28%) better at AF than the Radeon HD 5670. (explain)

Radeon R7 M260X 19800 Mtexels/sec
Radeon HD 5670 15500 Mtexels/sec
Difference: 4300 (28%)

Pixel Rate

The Radeon R7 M260X is a little bit (more or less 6%) faster with regards to full screen anti-aliasing than the Radeon HD 5670, and will be able to handle higher resolutions more effectively. (explain)

Radeon R7 M260X 6600 Mpixels/sec
Radeon HD 5670 6200 Mpixels/sec
Difference: 400 (6%)

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 5670

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 5670 Radeon R7 M260X
Manufacturer AMD AMD
Year January 14, 2010 June 2014
Code Name Redwood XT Opal
Memory 1024 MB 2048 MB
Core Speed 775 MHz 825 MHz
Memory Speed 4000 MHz 4000 MHz
Power (Max TDP) 61 watts (Unknown) watts
Bandwidth 64000 MB/sec 64000 MB/sec
Texel Rate 15500 Mtexels/sec 19800 Mtexels/sec
Pixel Rate 6200 Mpixels/sec 6600 Mpixels/sec
Unified Shaders 400(80x5) 384
Texture Mapping Units 20 24
Render Output Units 8 8
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 40 nm 28 nm
Transistors 627 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 information (counted in megabytes per second) that can be transported over the external memory interface in one second. The number is worked out by multiplying the card's interface width by the speed of its memory. If it uses DDR RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly record to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Raster Operations Pipelines 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 rate also depends on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

Hide Prices

Radeon HD 5670

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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