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Radeon HD 6970 vs Radeon R9 380 4G

Intro

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

Compare that to the Radeon R9 380 4G, which has core clock speeds of 970 MHz on the GPU, and 1425 MHz on the 4096 MB of GDDR5 memory. It features 1792 SPUs along with 112 TAUs and 32 Rasterization Operator 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 4G 8837 points
Radeon HD 6970 3470 points
Difference: 5367 (155%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 380 4G 190 Watts
Radeon HD 6970 250 Watts
Difference: 60 Watts (32%)

Memory Bandwidth

Theoretically speaking, the Radeon R9 380 4G is 4% quicker than the Radeon HD 6970 overall, due to its higher data rate. (explain)

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

Texel Rate

The Radeon R9 380 4G should be a lot (more or less 29%) faster with regards to AF than the Radeon HD 6970. (explain)

Radeon R9 380 4G 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 4G is superior to the Radeon HD 6970, but it probably won't make a huge difference. (explain)

Radeon R9 380 4G 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 4G

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 4G
Manufacturer AMD AMD
Year December 2010 June 2015
Code Name Cayman XT Antigua PRO
Memory 2048 MB 4096 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: Memory bandwidth is the max amount of data (counted in MB per second) that can be transported over the external memory interface in a second. It is calculated by multiplying the card's interface width by its memory clock speed. If the card has DDR memory, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed per second. This figure is calculated by multiplying the total texture units of the card by the core clock speed of the chip. The higher this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly write to its local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Raster Operations Pipelines 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 output rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

Radeon HD 6970

Amazon.com

Check prices at:

Radeon R9 380 4G

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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