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GeForce GTX 880M vs Radeon HD 6950 2GB

Intro

The GeForce GTX 880M makes use of a 28 nm design. nVidia has clocked the core frequency at 954 MHz. The GDDR5 memory works at a frequency of 1000 MHz on this model. It features 1536 SPUs as well as 128 TAUs and 32 ROPs.

Compare all that to the Radeon HD 6950 2GB, which has a GPU core clock speed of 800 MHz, and 2048 MB of GDDR5 RAM set to run at 1250 MHz through a 256-bit bus. It also is comprised of 1408 SPUs, 88 TAUs, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 880M 130 Watts
Radeon HD 6950 2GB 200 Watts
Difference: 70 Watts (54%)

Memory Bandwidth

In theory, the Radeon HD 6950 2GB should perform much faster than the GeForce GTX 880M in general. (explain)

Radeon HD 6950 2GB 160000 MB/sec
GeForce GTX 880M 128000 MB/sec
Difference: 32000 (25%)

Texel Rate

The GeForce GTX 880M should be a lot (about 73%) faster with regards to AF than the Radeon HD 6950 2GB. (explain)

GeForce GTX 880M 122112 Mtexels/sec
Radeon HD 6950 2GB 70400 Mtexels/sec
Difference: 51712 (73%)

Pixel Rate

The GeForce GTX 880M will be a small bit (about 19%) faster with regards to AA than the Radeon HD 6950 2GB, and should be able to handle higher screen resolutions better. (explain)

GeForce GTX 880M 30528 Mpixels/sec
Radeon HD 6950 2GB 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

Check prices at:

Radeon HD 6950 2GB

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 GeForce GTX 880M Radeon HD 6950 2GB
Manufacturer nVidia AMD
Year March 12 2014 December 2010
Code Name GK104 Cayman Pro
Memory 4096 MB 2048 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: Memory bandwidth is the maximum amount of data (counted in megabytes per second) that can be transferred over the external memory interface in one second. It is calculated by multiplying the bus width by its memory speed. If the card has DDR type RAM, it 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 anti-aliasing, 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 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 texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the most pixels the video card could possibly write to its local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on many 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

Hide Prices

GeForce GTX 880M

Amazon.com

Check prices at:

Radeon HD 6950 2GB

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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