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Radeon HD 5670 vs Radeon R7 M260X

Intro

The Radeon HD 5670 has core speeds of 775 MHz on the GPU, and 1000 MHz on the 1024 MB of GDDR5 RAM. It features 400(80x5) SPUs along with 20 TAUs and 8 ROPs.

Compare those specs to the Radeon R7 M260X, which has clock speeds of 825 MHz on the GPU, and 1000 MHz on the 2048 MB of GDDR5 RAM. It features 384 SPUs as well as 24 Texture Address Units and 8 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

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

Texel Rate

The Radeon R7 M260X is a lot (about 28%) better at anisotropic filtering 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 should be a bit (about 6%) more effective at AA than the Radeon HD 5670, and will be able to handle higher screen resolutions without slowing down too much. (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 largest amount of information (measured in MB per second) that can be transferred across the external memory interface in one second. The number is worked out by multiplying the interface width by its memory clock speed. If the card has DDR RAM, it must be multiplied by 2 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, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly write to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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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.

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