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Radeon HD 6970 vs Radeon R9 M395X

Intro

The Radeon HD 6970 has a core clock speed of 880 MHz and a GDDR5 memory speed of 1375 MHz. It also makes use of a 256-bit memory bus, and makes use of a 40 nm design. It is made up of 1536 SPUs, 96 Texture Address Units, and 32 ROPs.

Compare those specifications to the Radeon R9 M395X, which features a core clock frequency of 723 MHz and a GDDR5 memory frequency of 1250 MHz. It also uses a 256-bit bus, and uses a 28 nm design. It is comprised of 2048 SPUs, 128 TAUs, and 32 ROPs.

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

Theoretically, the Radeon HD 6970 should be a little bit faster than the Radeon R9 M395X in general. (explain)

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

Texel Rate

The Radeon R9 M395X should be a little bit (about 10%) better at anisotropic filtering 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 the winner, by a large margin. (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

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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: Memory bandwidth is the largest amount of data (in units of megabytes per second) that can be transferred past the external memory interface in a second. It is worked out by multiplying the bus width by its memory speed. If the card has DDR type RAM, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed in one second. This number is calculated by multiplying the total amount of texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the graphics card will be at 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 the graphics card could possibly record to the local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential 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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