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GeForce GTX 880M vs Radeon HD 6950

Intro

The GeForce GTX 880M has a clock speed of 954 MHz and a GDDR5 memory frequency of 1000 MHz. It also uses a 256-bit memory bus, and makes use of a 28 nm design. It features 1536 SPUs, 128 TAUs, and 32 Raster Operation Units.

Compare all of that to the Radeon HD 6950, which comes with GPU clock speed of 800 MHz, and 1024 MB of GDDR5 memory running at 1250 MHz through a 256-bit bus. It also is comprised of 1408 Stream Processors, 88 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

GeForce GTX 880M 6360 points
Radeon HD 6950 3240 points
Difference: 3120 (96%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 880M 130 Watts
Radeon HD 6950 200 Watts
Difference: 70 Watts (54%)

Memory Bandwidth

The Radeon HD 6950 should theoretically be quite a bit faster than the GeForce GTX 880M overall. (explain)

Radeon HD 6950 160000 MB/sec
GeForce GTX 880M 128000 MB/sec
Difference: 32000 (25%)

Texel Rate

The GeForce GTX 880M should be much (more or less 73%) faster with regards to AF than the Radeon HD 6950. (explain)

GeForce GTX 880M 122112 Mtexels/sec
Radeon HD 6950 70400 Mtexels/sec
Difference: 51712 (73%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the GeForce GTX 880M is the winner, not by a very large margin though. (explain)

GeForce GTX 880M 30528 Mpixels/sec
Radeon HD 6950 25600 Mpixels/sec
Difference: 4928 (19%)

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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GeForce GTX 880M

Amazon.com

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Radeon HD 6950

Amazon.com

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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 GeForce GTX 880M Radeon HD 6950
Manufacturer nVidia AMD
Year March 12 2014 December 2010
Code Name GK104 Cayman Pro
Memory 4096 MB 1024 MB
Core Speed 954 MHz 800 MHz
Memory Speed 4000 MHz 5000 MHz
Power (Max TDP) 130 watts 200 watts
Bandwidth 128000 MB/sec 160000 MB/sec
Texel Rate 122112 Mtexels/sec 70400 Mtexels/sec
Pixel Rate 30528 Mpixels/sec 25600 Mpixels/sec
Unified Shaders 1536 1408
Texture Mapping Units 128 88
Render Output Units 32 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit
Fab Process 28 nm 40 nm
Transistors (Unknown) million 2640 million
Bus PCIe 3.0 x16 PCIe x16
DirectX Version DirectX 12 DirectX 11
OpenGL Version OpenGL 4.5 OpenGL 4.1

Memory Bandwidth: Bandwidth is the maximum amount of information (counted in megabytes per second) that can be transferred over the external memory interface within a second. The number is calculated by multiplying the card's bus width by its memory clock speed. If the card has DDR type RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better 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 are applied in one second. This number is calculated by multiplying the total number of texture units by the core speed of the chip. The better the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly write to its local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the number of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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GeForce GTX 880M

Amazon.com

Check prices at:

Radeon HD 6950

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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