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Radeon HD 6950 vs Radeon R9 380 2G

Intro

The Radeon HD 6950 features core clock speeds of 800 MHz on the GPU, and 1250 MHz on the 1024 MB of GDDR5 memory. It features 1408 SPUs as well as 88 Texture Address Units and 32 Rasterization Operator Units.

Compare those specifications to the Radeon R9 380 2G, which has a clock speed of 970 MHz and a GDDR5 memory speed of 1425 MHz. It also makes use of a 256-bit memory bus, and makes use of a 28 nm design. It features 1792 SPUs, 112 TAUs, and 32 ROPs.

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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 6950 3240 points
Difference: 5610 (173%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 380 2G 190 Watts
Radeon HD 6950 200 Watts
Difference: 10 Watts (5%)

Memory Bandwidth

In theory, the Radeon R9 380 2G should be 14% faster than the Radeon HD 6950 in general, because of its greater data rate. (explain)

Radeon R9 380 2G 182400 MB/sec
Radeon HD 6950 160000 MB/sec
Difference: 22400 (14%)

Texel Rate

The Radeon R9 380 2G should be a lot (about 54%) better at anisotropic filtering than the Radeon HD 6950. (explain)

Radeon R9 380 2G 108640 Mtexels/sec
Radeon HD 6950 70400 Mtexels/sec
Difference: 38240 (54%)

Pixel Rate

The Radeon R9 380 2G should be much (about 21%) better at AA than the Radeon HD 6950, and will be capable of handling higher screen resolutions without losing too much performance. (explain)

Radeon R9 380 2G 31040 Mpixels/sec
Radeon HD 6950 25600 Mpixels/sec
Difference: 5440 (21%)

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 6950

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 6950 Radeon R9 380 2G
Manufacturer AMD AMD
Year December 2010 June 2015
Code Name Cayman Pro Antigua PRO
Memory 1024 MB 2048 MB
Core Speed 800 MHz 970 MHz
Memory Speed 5000 MHz 5700 MHz
Power (Max TDP) 200 watts 190 watts
Bandwidth 160000 MB/sec 182400 MB/sec
Texel Rate 70400 Mtexels/sec 108640 Mtexels/sec
Pixel Rate 25600 Mpixels/sec 31040 Mpixels/sec
Unified Shaders 1408 1792
Texture Mapping Units 88 112
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 largest amount of data (measured in megabytes per second) that can be transferred past the external memory interface in one second. It's worked out by multiplying the card's bus width by the speed of its memory. In the case of DDR type RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels the video card can possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

Radeon HD 6950

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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