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Radeon HD 6950 2GB vs Radeon R9 M290X

Intro

The Radeon HD 6950 2GB comes with a clock frequency of 800 MHz and a GDDR5 memory speed of 1250 MHz. It also features a 256-bit bus, and uses a 40 nm design. It is comprised of 1408 SPUs, 88 TAUs, and 32 ROPs.

Compare those specifications to the Radeon R9 M290X, which comes with GPU clock speed of 850 MHz, and 4096 MB of GDDR5 RAM running at 1200 MHz through a 256-bit bus. It also features 1280 SPUs, 80 Texture Address Units, and 32 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 M290X 100 Watts
Radeon HD 6950 2GB 200 Watts
Difference: 100 Watts (100%)

Memory Bandwidth

In theory, the Radeon HD 6950 2GB should be a small bit faster than the Radeon R9 M290X overall. (explain)

Radeon HD 6950 2GB 160000 MB/sec
Radeon R9 M290X 153600 MB/sec
Difference: 6400 (4%)

Texel Rate

The Radeon HD 6950 2GB will be a little bit (about 4%) better at AF than the Radeon R9 M290X. (explain)

Radeon HD 6950 2GB 70400 Mtexels/sec
Radeon R9 M290X 68000 Mtexels/sec
Difference: 2400 (4%)

Pixel Rate

The Radeon R9 M290X is just a bit (more or less 6%) better at FSAA than the Radeon HD 6950 2GB, and also should be capable of handling higher screen resolutions better. (explain)

Radeon R9 M290X 27200 Mpixels/sec
Radeon HD 6950 2GB 25600 Mpixels/sec
Difference: 1600 (6%)

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 2GB

Amazon.com

Check prices at:

Radeon R9 M290X

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 2GB Radeon R9 M290X
Manufacturer AMD AMD
Year December 2010 May 1 2014
Code Name Cayman Pro Neptune XT
Memory 2048 MB 4096 MB
Core Speed 800 MHz 850 MHz
Memory Speed 5000 MHz 4800 MHz
Power (Max TDP) 200 watts 100 watts
Bandwidth 160000 MB/sec 153600 MB/sec
Texel Rate 70400 Mtexels/sec 68000 Mtexels/sec
Pixel Rate 25600 Mpixels/sec 27200 Mpixels/sec
Unified Shaders 1408 1280
Texture Mapping Units 88 80
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 11.2
OpenGL Version OpenGL 4.1 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the max amount of data (counted in megabytes per second) that can be transferred past the external memory interface within a second. The number is worked out by multiplying the interface width by the speed of its memory. If it uses DDR RAM, it should be multiplied by 2 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 per second. This is calculated by multiplying the total number of texture units of the card by the core speed of the chip. The better this number, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels per 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 figure is calculated by multiplying the amount of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

Radeon HD 6950 2GB

Amazon.com

Check prices at:

Radeon R9 M290X

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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