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Radeon HD 6970 vs Radeon R9 380 2G

Intro

The Radeon HD 6970 comes with a clock speed of 880 MHz and a GDDR5 memory frequency of 1375 MHz. It also features a 256-bit memory bus, and uses a 40 nm design. It is comprised of 1536 SPUs, 96 TAUs, and 32 ROPs.

Compare those specs to the Radeon R9 380 2G, which features a core clock frequency of 970 MHz and a GDDR5 memory frequency of 1425 MHz. It also makes use of a 256-bit memory bus, and uses a 28 nm design. It is comprised of 1792 SPUs, 112 TAUs, and 32 Raster Operation Units.

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

Radeon R9 380 2G 8850 points
Radeon HD 6970 3470 points
Difference: 5380 (155%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 380 2G 190 Watts
Radeon HD 6970 250 Watts
Difference: 60 Watts (32%)

Memory Bandwidth

Performance-wise, the Radeon R9 380 2G should theoretically be a small bit better than the Radeon HD 6970 overall. (explain)

Radeon R9 380 2G 182400 MB/sec
Radeon HD 6970 176000 MB/sec
Difference: 6400 (4%)

Texel Rate

The Radeon R9 380 2G should be quite a bit (more or less 29%) faster with regards to anisotropic filtering than the Radeon HD 6970. (explain)

Radeon R9 380 2G 108640 Mtexels/sec
Radeon HD 6970 84480 Mtexels/sec
Difference: 24160 (29%)

Pixel Rate

If running with high levels of AA is important to you, then the Radeon R9 380 2G is the winner, though only just barely. (explain)

Radeon R9 380 2G 31040 Mpixels/sec
Radeon HD 6970 28160 Mpixels/sec
Difference: 2880 (10%)

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 380 2G

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 380 2G
Manufacturer AMD AMD
Year December 2010 June 2015
Code Name Cayman XT Antigua PRO
Memory 2048 MB 2048 MB
Core Speed 880 MHz 970 MHz
Memory Speed 5500 MHz 5700 MHz
Power (Max TDP) 250 watts 190 watts
Bandwidth 176000 MB/sec 182400 MB/sec
Texel Rate 84480 Mtexels/sec 108640 Mtexels/sec
Pixel Rate 28160 Mpixels/sec 31040 Mpixels/sec
Unified Shaders 1536 1792
Texture Mapping Units 96 112
Render Output Units 32 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit
Fab Process 40 nm 28 nm
Transistors 2640 million 5000 million
Bus PCIe x16 PCIe 3.0 ×16
DirectX Version DirectX 11 DirectX 12.0
OpenGL Version OpenGL 4.1 OpenGL 4.5

Memory Bandwidth: Bandwidth is the maximum amount of data (counted in MB per second) that can be transported across the external memory interface in one second. It is worked out by multiplying the card's interface width by the speed of its memory. In the case of DDR type memory, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the bandwidth is, the better 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 processed per second. This number is worked out by multiplying the total number 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 applied in one second.

Pixel Rate: Pixel rate is the most pixels the video card can possibly write to the local memory in a second - measured in millions of pixels per second. The number 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 filling the screen with pixels (the image). The actual pixel output rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

Radeon HD 6970

Amazon.com

Check prices at:

Radeon R9 380 2G

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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