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GeForce GTX 880M vs Radeon HD 5970

Intro

The GeForce GTX 880M comes with clock speeds of 954 MHz on the GPU, and 1000 MHz on the 4096 MB of GDDR5 RAM. It features 1536 SPUs along with 128 TAUs and 32 ROPs.

Compare all of that to the Radeon HD 5970, which comes with a clock frequency of 725 MHz and a GDDR5 memory speed of 1000 MHz. It also features a 256-bit memory bus, and makes use of a 40 nm design. It is comprised of 1600 SPUs, 160 Texture Address Units, 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

In theory, the Radeon HD 5970 is 100% quicker than the GeForce GTX 880M in general, because of its greater bandwidth. (explain)

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

Texel Rate

The Radeon HD 5970 is a lot (more or less 90%) better at texture filtering than the GeForce GTX 880M. (explain)

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

Pixel Rate

The Radeon HD 5970 should be quite a bit (about 204%) more effective at FSAA than the GeForce GTX 880M, and also capable of handling higher resolutions without losing too much performance. (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: Memory bandwidth is the maximum amount of data (measured in megabytes per second) that can be transferred past the external memory interface within a second. It's worked out by multiplying the card's interface width by the speed of its memory. In the case of DDR type RAM, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the maximum 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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