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Radeon HD 6970 vs Radeon R9 M395X

Intro

The Radeon HD 6970 has a GPU core speed of 880 MHz, and the 2048 MB of GDDR5 RAM runs at 1375 MHz through a 256-bit bus. It also features 1536 Stream Processors, 96 Texture Address Units, and 32 ROPs.

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

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 M395X 125 Watts
Radeon HD 6970 250 Watts
Difference: 125 Watts (100%)

Memory Bandwidth

The Radeon HD 6970 should in theory perform a bit faster than the Radeon R9 M395X overall. (explain)

Radeon HD 6970 176000 MB/sec
Radeon R9 M395X 160000 MB/sec
Difference: 16000 (10%)

Texel Rate

The Radeon R9 M395X will be a little bit (about 10%) better at AF than the Radeon HD 6970. (explain)

Radeon R9 M395X 92544 Mtexels/sec
Radeon HD 6970 84480 Mtexels/sec
Difference: 8064 (10%)

Pixel Rate

If using a high screen resolution is important to you, then the Radeon HD 6970 is a better choice, and very much so. (explain)

Radeon HD 6970 28160 Mpixels/sec
Radeon R9 M395X 23136 Mpixels/sec
Difference: 5024 (22%)

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

Display Prices

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Radeon HD 6970

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 6970 Radeon R9 M395X
Manufacturer AMD AMD
Year December 2010 2015
Code Name Cayman XT Tonga
Memory 2048 MB 4096 MB
Core Speed 880 MHz 723 MHz
Memory Speed 5500 MHz 5000 MHz
Power (Max TDP) 250 watts 125 watts
Bandwidth 176000 MB/sec 160000 MB/sec
Texel Rate 84480 Mtexels/sec 92544 Mtexels/sec
Pixel Rate 28160 Mpixels/sec 23136 Mpixels/sec
Unified Shaders 1536 2048
Texture Mapping Units 96 128
Render Output Units 32 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit
Fab Process 40 nm 28 nm
Transistors 2640 million (Unknown) million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 12
OpenGL Version OpenGL 4.1 OpenGL 4.3

Memory Bandwidth: Bandwidth is the maximum amount of information (in units of MB per second) that can be transferred across the external memory interface in one second. It's worked out by multiplying the card's bus width by its memory speed. In the case of DDR type RAM, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly record to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the amount of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

Radeon HD 6970

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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