Geforce GTX 760 vs Radeon HD 6790

Intro

Compare those specs to the Radeon HD 6790, which uses a 40 nm design. AMD has set the core frequency at 840 MHz. The GDDR5 RAM runs at a speed of 1050 MHz on this card. It features 800 SPUs along with 40 Texture Address Units and 16 Rasterization Operator Units.

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
Radeon HD 6790		2150 points
	Difference: 3773 (175%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6790		150 Watts
Geforce GTX 760		170 Watts
	Difference: 20 Watts (13%)

Memory Bandwidth

Theoretically speaking, the Geforce GTX 760 should perform a lot faster than the Radeon HD 6790 overall. (explain)

Geforce GTX 760		192256 MB/sec
Radeon HD 6790		134400 MB/sec
	Difference: 57856 (43%)

Texel Rate

The Geforce GTX 760 will be much (more or less 180%) more effective at texture filtering than the Radeon HD 6790. (explain)

Geforce GTX 760		94080 Mtexels/sec
Radeon HD 6790		33600 Mtexels/sec
	Difference: 60480 (180%)

Pixel Rate

If using a high screen resolution is important to you, then the Geforce GTX 760 is the winner, and very much so. (explain)

Geforce GTX 760		31360 Mpixels/sec
Radeon HD 6790		13440 Mpixels/sec
	Difference: 17920 (133%)

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 (in units of megabytes per second) that can be transported across the external memory interface within a second. It's worked out by multiplying the card's interface width by its memory clock speed. If it uses DDR memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly write to its local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - aka 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 ability to reach the maximum fill rate.