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Radeon HD 5670 vs Radeon R9 M395X

Intro

The Radeon HD 5670 has a GPU core clock speed of 775 MHz, and the 1024 MB of GDDR5 memory runs at 1000 MHz through a 128-bit bus. It also is comprised of 400(80x5) SPUs, 20 Texture Address Units, and 8 Raster Operation Units.

Compare those specifications to the Radeon R9 M395X, which comes with a GPU core clock speed of 723 MHz, and 4096 MB of GDDR5 memory running at 1250 MHz through a 256-bit bus. It also is made up of 2048 Stream Processors, 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 HD 5670 61 Watts
Radeon R9 M395X 125 Watts
Difference: 64 Watts (105%)

Memory Bandwidth

As far as performance goes, the Radeon R9 M395X should theoretically be much better than the Radeon HD 5670 in general. (explain)

Radeon R9 M395X 160000 MB/sec
Radeon HD 5670 64000 MB/sec
Difference: 96000 (150%)

Texel Rate

The Radeon R9 M395X should be much (about 497%) faster with regards to AF than the Radeon HD 5670. (explain)

Radeon R9 M395X 92544 Mtexels/sec
Radeon HD 5670 15500 Mtexels/sec
Difference: 77044 (497%)

Pixel Rate

If using a high screen resolution is important to you, then the Radeon R9 M395X is the winner, by far. (explain)

Radeon R9 M395X 23136 Mpixels/sec
Radeon HD 5670 6200 Mpixels/sec
Difference: 16936 (273%)

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 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 HD 5670 Radeon R9 M395X
Manufacturer AMD AMD
Year January 14, 2010 2015
Code Name Redwood XT Tonga
Memory 1024 MB 4096 MB
Core Speed 775 MHz 723 MHz
Memory Speed 4000 MHz 5000 MHz
Power (Max TDP) 61 watts 125 watts
Bandwidth 64000 MB/sec 160000 MB/sec
Texel Rate 15500 Mtexels/sec 92544 Mtexels/sec
Pixel Rate 6200 Mpixels/sec 23136 Mpixels/sec
Unified Shaders 400(80x5) 2048
Texture Mapping Units 20 128
Render Output Units 8 32
Bus Type GDDR5 GDDR5
Bus Width 128-bit 256-bit
Fab Process 40 nm 28 nm
Transistors 627 million (Unknown) million
Bus PCIe 2.1 x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 12
OpenGL Version OpenGL 3.2 OpenGL 4.3

Memory Bandwidth: Bandwidth is the largest amount of information (counted in megabytes per second) that can be transported past the external memory interface in one second. It is calculated by multiplying the interface width by its memory speed. If it uses DDR type RAM, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, 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 figure is worked out by multiplying the total number of texture units by the core clock speed of the chip. The higher the texel rate, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly record to its local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

Radeon HD 5670

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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