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GeForce GTX 880M vs Radeon HD 5970

Intro

The GeForce GTX 880M has a GPU clock speed of 954 MHz, and the 4096 MB of GDDR5 memory is set to run at 1000 MHz through a 256-bit bus. It also is comprised of 1536 SPUs, 128 Texture Address Units, and 32 ROPs.

Compare all of that to the Radeon HD 5970, which has GPU clock speed of 725 MHz, and 1024 MB of GDDR5 RAM set to run at 1000 MHz through a 256-bit bus. It also is made up of 1600 SPUs, 160 TAUs, and 64 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 880M 130 Watts
Radeon HD 5970 294 Watts
Difference: 164 Watts (126%)

Memory Bandwidth

Theoretically speaking, the Radeon HD 5970 will be 100% faster than the GeForce GTX 880M overall, because of its higher bandwidth. (explain)

Radeon HD 5970 256000 MB/sec
GeForce GTX 880M 128000 MB/sec
Difference: 128000 (100%)

Texel Rate

The Radeon HD 5970 is much (more or less 90%) faster with regards to anisotropic filtering than the GeForce GTX 880M. (explain)

Radeon HD 5970 232000 Mtexels/sec
GeForce GTX 880M 122112 Mtexels/sec
Difference: 109888 (90%)

Pixel Rate

If using a high screen resolution is important to you, then the Radeon HD 5970 is the winner, by far. (explain)

Radeon HD 5970 92800 Mpixels/sec
GeForce GTX 880M 30528 Mpixels/sec
Difference: 62272 (204%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

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GeForce GTX 880M

Amazon.com

Check prices at:

Radeon HD 5970

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 5970
Manufacturer nVidia AMD
Year March 12 2014 November 2009
Code Name GK104 Hemlock XT
Memory 4096 MB 1024 MB (x2)
Core Speed 954 MHz 725 MHz (x2)
Memory Speed 4000 MHz 4000 MHz (x2)
Power (Max TDP) 130 watts 294 watts
Bandwidth 128000 MB/sec 256000 MB/sec
Texel Rate 122112 Mtexels/sec 232000 Mtexels/sec
Pixel Rate 30528 Mpixels/sec 92800 Mpixels/sec
Unified Shaders 1536 1600 (x2)
Texture Mapping Units 128 160 (x2)
Render Output Units 32 64 (x2)
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit (x2)
Fab Process 28 nm 40 nm
Transistors (Unknown) million 2154 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 largest amount of information (measured in MB per second) that can be transferred across the external memory interface in a second. It's worked out by multiplying the interface width by the speed of its memory. If the card has DDR type memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. 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 number of texture map elements (texels) that can be processed in one second. This figure is calculated by multiplying the total texture units by the core clock speed of the chip. The better the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

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

Display Prices

Hide Prices

GeForce GTX 880M

Amazon.com

Check prices at:

Radeon HD 5970

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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