GeForce GTX 850M vs Geforce GTX 760

Intro

Compare those specs to the Geforce GTX 760, which comes with clock speeds of 980 MHz on the GPU, and 1502 MHz on the 2048 MB of GDDR5 memory. It features 1152 SPUs along with 96 Texture Address Units and 32 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 760		5923 points
GeForce GTX 850M		3340 points
	Difference: 2583 (77%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 850M		40 Watts
Geforce GTX 760		170 Watts
	Difference: 130 Watts (325%)

Memory Bandwidth

Theoretically speaking, the Geforce GTX 760 should be a lot faster than the GeForce GTX 850M overall. (explain)

Geforce GTX 760		192256 MB/sec
GeForce GTX 850M		32000 MB/sec
	Difference: 160256 (501%)

Texel Rate

The Geforce GTX 760 should be quite a bit (about 168%) better at AF than the GeForce GTX 850M. (explain)

Geforce GTX 760		94080 Mtexels/sec
GeForce GTX 850M		35040 Mtexels/sec
	Difference: 59040 (168%)

Pixel Rate

The Geforce GTX 760 will be much (about 124%) faster with regards to FSAA than the GeForce GTX 850M, and also capable of handling higher screen resolutions without slowing down too much. (explain)

Geforce GTX 760		31360 Mpixels/sec
GeForce GTX 850M		14016 Mpixels/sec
	Difference: 17344 (124%)

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 maximum amount of information (counted in MB per second) that can be moved across the external memory interface in one second. It is worked out by multiplying the card's bus width by its memory speed. If the card has DDR memory, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly record to its local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max fill rate.