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GeForce GTX 970 vs GeForce GTX 980M

Intro

The GeForce GTX 970 comes with a clock speed of 1050 MHz and a GDDR5 memory speed of 1750 MHz. It also makes use of a 256-bit memory bus, and uses a 28 nm design. It is comprised of 1664 SPUs, 104 Texture Address Units, and 64 ROPs.

Compare those specs to the GeForce GTX 980M, which uses a 28 nm design. nVidia has set the core speed at 1038 MHz. The GDDR5 RAM works at a speed of 1000 MHz on this particular model. It features 1536 SPUs as well as 96 TAUs and 64 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 970 10867 points
GeForce GTX 980M 9476 points
Difference: 1391 (15%)

Zcash Mining Hash Rate

GeForce GTX 970 262 Sol/s
GeForce GTX 980M 155 Sol/s
Difference: 107 (69%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 980M 100 Watts
GeForce GTX 970 145 Watts
Difference: 45 Watts (45%)

Memory Bandwidth

In theory, the GeForce GTX 970 should be 75% quicker than the GeForce GTX 980M overall, due to its greater bandwidth. (explain)

GeForce GTX 970 224000 MB/sec
GeForce GTX 980M 128000 MB/sec
Difference: 96000 (75%)

Texel Rate

The GeForce GTX 970 will be just a bit (approximately 10%) more effective at anisotropic filtering than the GeForce GTX 980M. (explain)

GeForce GTX 970 109200 Mtexels/sec
GeForce GTX 980M 99648 Mtexels/sec
Difference: 9552 (10%)

Pixel Rate

The GeForce GTX 970 will be a bit (approximately 1%) better at full screen anti-aliasing than the GeForce GTX 980M, and will be able to handle higher resolutions without slowing down too much. (explain)

GeForce GTX 970 67200 Mpixels/sec
GeForce GTX 980M 66432 Mpixels/sec
Difference: 768 (1%)

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 970

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 970 GeForce GTX 980M
Manufacturer nVidia nVidia
Year September 2014 October 7 2014
Code Name GM204-200 GM204
Memory 4096 MB 4096 MB
Core Speed 1050 MHz 1038 MHz
Memory Speed 7000 MHz 4000 MHz
Power (Max TDP) 145 watts 100 watts
Bandwidth 224000 MB/sec 128000 MB/sec
Texel Rate 109200 Mtexels/sec 99648 Mtexels/sec
Pixel Rate 67200 Mpixels/sec 66432 Mpixels/sec
Unified Shaders 1664 1536
Texture Mapping Units 104 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 maximum amount of information (in units of MB per second) that can be transferred past the external memory interface within a second. It's calculated by multiplying the card's interface width by the speed of its memory. In the case of DDR memory, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly record to the local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the number of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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GeForce GTX 970

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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