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Radeon HD 5670 vs Radeon R9 M395X

Intro

The Radeon HD 5670 makes use of a 40 nm design. AMD has clocked the core speed at 775 MHz. The GDDR5 memory runs at a frequency of 1000 MHz on this model. It features 400(80x5) SPUs along with 20 Texture Address Units and 8 Rasterization Operator Units.

Compare that to the Radeon R9 M395X, which comes with core clock speeds of 723 MHz on the GPU, and 1250 MHz on the 4096 MB of GDDR5 RAM. It features 2048 SPUs along with 128 Texture Address Units and 32 Rasterization Operator Units.

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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 superior to 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 will 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 lots of anti-aliasing is important to you, then the Radeon R9 M395X is superior to the Radeon HD 5670, by a large margin. (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 max amount of data (measured in megabytes per second) that can be transferred over the external memory interface in a second. It is calculated by multiplying the interface width by its memory clock speed. If it uses DDR type RAM, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with AA, HDR 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 amount of texture units of the card by the core clock speed of the chip. The better this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip can possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the max 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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