GeForce GTX 960 vs Radeon HD 6790

Intro

Compare that to the Radeon HD 6790, which features GPU core speed of 840 MHz, and 1024 MB of GDDR5 memory running at 1050 MHz through a 256-bit bus. It also is comprised of 800 SPUs, 40 TAUs, and 16 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 960		7627 points
Radeon HD 6790		2150 points
	Difference: 5477 (255%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 960		120 Watts
Radeon HD 6790		150 Watts
	Difference: 30 Watts (25%)

Memory Bandwidth

Theoretically speaking, the Radeon HD 6790 is 20% quicker than the GeForce GTX 960 in general, due to its greater data rate. (explain)

Radeon HD 6790		134400 MB/sec
GeForce GTX 960		112000 MB/sec
	Difference: 22400 (20%)

Texel Rate

The GeForce GTX 960 should be quite a bit (approximately 115%) better at AF than the Radeon HD 6790. (explain)

GeForce GTX 960		72128 Mtexels/sec
Radeon HD 6790		33600 Mtexels/sec
	Difference: 38528 (115%)

Pixel Rate

The GeForce GTX 960 should be a lot (more or less 168%) better at anti-aliasing than the Radeon HD 6790, and capable of handling higher screen resolutions without slowing down too much. (explain)

GeForce GTX 960		36064 Mpixels/sec
Radeon HD 6790		13440 Mpixels/sec
	Difference: 22624 (168%)

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 data (counted in megabytes per second) that can be transferred over the external memory interface in a second. It's calculated by multiplying the bus width by its memory clock speed. If it uses DDR type RAM, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high 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 texture units by the core clock speed of the chip. The higher the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly write to the local memory per second - measured in millions of pixels per second. The figure is worked out 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 outputting the pixels (image) to the screen. The actual pixel rate also depends on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.