GeForce GTX 960M vs Geforce GTX 780

Intro

Compare those specs to the Geforce GTX 780, which has core clock speeds of 863 MHz on the GPU, and 1502 MHz on the 3072 MB of GDDR5 memory. It features 2304 SPUs along with 192 Texture Address Units and 48 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 780		10082 points
GeForce GTX 960M		4350 points
	Difference: 5732 (132%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 960M		65 Watts
Geforce GTX 780		250 Watts
	Difference: 185 Watts (285%)

Memory Bandwidth

The Geforce GTX 780, in theory, should be quite a bit faster than the GeForce GTX 960M in general. (explain)

Geforce GTX 780		288384 MB/sec
GeForce GTX 960M		64000 MB/sec
	Difference: 224384 (351%)

Texel Rate

The Geforce GTX 780 is much (about 278%) faster with regards to AF than the GeForce GTX 960M. (explain)

Geforce GTX 780		165696 Mtexels/sec
GeForce GTX 960M		43840 Mtexels/sec
	Difference: 121856 (278%)

Pixel Rate

The Geforce GTX 780 should be a lot (more or less 136%) faster with regards to AA than the GeForce GTX 960M, and capable of handling higher screen resolutions while still performing well. (explain)

Geforce GTX 780		41424 Mpixels/sec
GeForce GTX 960M		17536 Mpixels/sec
	Difference: 23888 (136%)

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 max amount of information (measured in MB per second) that can be transferred past the external memory interface within a second. It is calculated by multiplying the card's interface width by its memory speed. If it uses DDR type RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher 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 number of texture map elements (texels) that can be processed in one second. This figure is worked out by multiplying the total amount of texture units of the card by the core speed of the chip. The better this number, the better the card will be at 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 record to the local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the amount of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on many other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.