GeForce GTX 1080 vs GeForce GTX 980M

Intro

Compare that to the GeForce GTX 980M, which comes with a core clock frequency of 1038 MHz and a GDDR5 memory frequency of 1000 MHz. It also features a 256-bit memory bus, and makes use of a 28 nm design. It is comprised of 1536 SPUs, 96 TAUs, and 64 Raster Operation Units.

Display Graphs

Hide Graphs

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 1080		21942 points
GeForce GTX 980M		9476 points
	Difference: 12466 (132%)

Zcash Mining Hash Rate

GeForce GTX 1080		553 Sol/s
GeForce GTX 980M		155 Sol/s
	Difference: 398 (257%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 980M		100 Watts
GeForce GTX 1080		180 Watts
	Difference: 80 Watts (80%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 1080 is 156% faster than the GeForce GTX 980M in general, because of its greater bandwidth. (explain)

GeForce GTX 1080		327680 MB/sec
GeForce GTX 980M		128000 MB/sec
	Difference: 199680 (156%)

Texel Rate

The GeForce GTX 1080 should be a lot (approximately 158%) faster with regards to texture filtering than the GeForce GTX 980M. (explain)

GeForce GTX 1080		257120 Mtexels/sec
GeForce GTX 980M		99648 Mtexels/sec
	Difference: 157472 (158%)

Pixel Rate

The GeForce GTX 1080 is much (approximately 55%) more effective at AA than the GeForce GTX 980M, and will be able to handle higher resolutions while still performing well. (explain)

GeForce GTX 1080		102848 Mpixels/sec
GeForce GTX 980M		66432 Mpixels/sec
	Difference: 36416 (55%)

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

Specifications

Memory Bandwidth: Memory bandwidth is the largest amount of information (counted in megabytes per second) that can be transferred past the external memory interface within a second. It's calculated by multiplying the interface width by its memory speed. If it uses DDR type memory, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed per second. This is calculated by multiplying the total texture units of the card by the core clock speed of the chip. The higher the texel rate, 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 maximum amount of pixels that the graphics chip can possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.