GeForce GTX 965M vs GeForce GTX 980

Intro

Compare that to the GeForce GTX 980, which comes with a GPU core clock speed of 1126 MHz, and 4096 MB of GDDR5 memory running at 1750 MHz through a 256-bit bus. It also features 2048 Stream Processors, 128 TAUs, and 64 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		13552 points
GeForce GTX 965M		5650 points
	Difference: 7902 (140%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 965M		60 Watts
GeForce GTX 980		165 Watts
	Difference: 105 Watts (175%)

Memory Bandwidth

The GeForce GTX 980, in theory, should perform a lot faster than the GeForce GTX 965M overall. (explain)

GeForce GTX 980		224000 MB/sec
GeForce GTX 965M		64000 MB/sec
	Difference: 160000 (250%)

Texel Rate

The GeForce GTX 980 will be a lot (more or less 139%) faster with regards to texture filtering than the GeForce GTX 965M. (explain)

GeForce GTX 980		144128 Mtexels/sec
GeForce GTX 965M		60416 Mtexels/sec
	Difference: 83712 (139%)

Pixel Rate

If running with a high resolution is important to you, then the GeForce GTX 980 is superior to the GeForce GTX 965M, by far. (explain)

GeForce GTX 980		72064 Mpixels/sec
GeForce GTX 965M		30208 Mpixels/sec
	Difference: 41856 (139%)

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 maximum amount of data (measured in MB per second) that can be moved across the external memory interface in one second. The number is worked out by multiplying the bus width by the speed of its memory. If the card has DDR type RAM, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card could possibly write to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of colour ROPs by the clock 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 bandwidth is, the lower the potential to get to the maximum fill rate.