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GeForce GTX 980 vs GeForce GTX 980M

Intro

The GeForce GTX 980 comes with a GPU clock speed of 1126 MHz, and the 4096 MB of GDDR5 RAM is set to run at 1750 MHz through a 256-bit bus. It also is comprised of 2048 Stream Processors, 128 TAUs, and 64 Raster Operation Units.

Compare all of that to the GeForce GTX 980M, which makes use of a 28 nm design. nVidia has clocked the core speed at 1038 MHz. The GDDR5 RAM is set to run at a frequency of 1000 MHz on this particular model. It features 1536 SPUs as well as 96 TAUs and 64 Rasterization Operator Units.

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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 980 13552 points
GeForce GTX 980M 9476 points
Difference: 4076 (43%)

Zcash Mining Hash Rate

GeForce GTX 980 408 Sol/s
GeForce GTX 980M 155 Sol/s
Difference: 253 (163%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 980M 100 Watts
GeForce GTX 980 165 Watts
Difference: 65 Watts (65%)

Memory Bandwidth

Performance-wise, the GeForce GTX 980 should in theory be a lot better than the GeForce GTX 980M in general. (explain)

GeForce GTX 980 224000 MB/sec
GeForce GTX 980M 128000 MB/sec
Difference: 96000 (75%)

Texel Rate

The GeForce GTX 980 is quite a bit (approximately 45%) faster with regards to AF than the GeForce GTX 980M. (explain)

GeForce GTX 980 144128 Mtexels/sec
GeForce GTX 980M 99648 Mtexels/sec
Difference: 44480 (45%)

Pixel Rate

The GeForce GTX 980 should be a little bit (about 8%) faster with regards to FSAA than the GeForce GTX 980M, and also capable of handling higher resolutions more effectively. (explain)

GeForce GTX 980 72064 Mpixels/sec
GeForce GTX 980M 66432 Mpixels/sec
Difference: 5632 (8%)

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 980

Amazon.com

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GeForce GTX 980M

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 980 GeForce GTX 980M
Manufacturer nVidia nVidia
Year September 2014 October 7 2014
Code Name GM204-400 GM204
Memory 4096 MB 4096 MB
Core Speed 1126 MHz 1038 MHz
Memory Speed 7000 MHz 4000 MHz
Power (Max TDP) 165 watts 100 watts
Bandwidth 224000 MB/sec 128000 MB/sec
Texel Rate 144128 Mtexels/sec 99648 Mtexels/sec
Pixel Rate 72064 Mpixels/sec 66432 Mpixels/sec
Unified Shaders 2048 1536
Texture Mapping Units 128 96
Render Output Units 64 64
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit
Fab Process 28 nm 28 nm
Transistors 5200 million (Unknown) million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.2 DirectX 12
OpenGL Version OpenGL 4.5 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the largest amount of information (counted in MB per second) that can be transferred over the external memory interface in one second. It is calculated by multiplying the card's interface width by its memory clock speed. If it uses DDR memory, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the better 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 processed per second. This number is calculated by multiplying the total amount of texture units of the card 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 applied in one second.

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

Display Prices

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GeForce GTX 980

Amazon.com

Check prices at:

GeForce GTX 980M

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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