GeForce GTX 970M vs GeForce GTX 980 Ti

Intro

Compare those specs to the GeForce GTX 980 Ti, which features GPU clock speed of 1000 MHz, and 6144 MB of GDDR5 memory running at 1750 MHz through a 384-bit bus. It also is comprised of 2816 Stream Processors, 176 TAUs, and 96 ROPs.

Display Graphs

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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 Ti		17120 points
GeForce GTX 970M		7520 points
	Difference: 9600 (128%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 970M		75 Watts
GeForce GTX 980 Ti		250 Watts
	Difference: 175 Watts (233%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 980 Ti should in theory be much better than the GeForce GTX 970M overall. (explain)

GeForce GTX 980 Ti		336000 MB/sec
GeForce GTX 970M		96000 MB/sec
	Difference: 240000 (250%)

Texel Rate

The GeForce GTX 980 Ti is a lot (approximately 138%) more effective at texture filtering than the GeForce GTX 970M. (explain)

GeForce GTX 980 Ti		176000 Mtexels/sec
GeForce GTX 970M		73920 Mtexels/sec
	Difference: 102080 (138%)

Pixel Rate

The GeForce GTX 980 Ti should be much (approximately 116%) better at anti-aliasing than the GeForce GTX 970M, and should be able to handle higher resolutions without losing too much performance. (explain)

GeForce GTX 980 Ti		96000 Mpixels/sec
GeForce GTX 970M		44352 Mpixels/sec
	Difference: 51648 (116%)

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: Bandwidth is the largest amount of data (measured in MB per second) that can be moved over the external memory interface within a second. It's worked out by multiplying the card's interface width by its memory speed. If it uses DDR type memory, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher 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 per second. This figure is calculated by multiplying the total amount of 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 handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly write to the local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the number of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the max fill rate.