GeForce GTX 560 vs Radeon HD 6770

Intro

Compare those specifications to the Radeon HD 6770, which features core speeds of 900 MHz on the GPU, and 1050 MHz on the 512 MB of GDDR5 memory. It features 800 SPUs along with 40 TAUs and 16 ROPs.

Display Graphs

Hide Graphs

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 560		3030 points
Radeon HD 6770		1520 points
	Difference: 1510 (99%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6770		108 Watts
GeForce GTX 560		150 Watts
	Difference: 42 Watts (39%)

Memory Bandwidth

The GeForce GTX 560 should theoretically perform quite a bit faster than the Radeon HD 6770 overall. (explain)

GeForce GTX 560		128128 MB/sec
Radeon HD 6770		67200 MB/sec
	Difference: 60928 (91%)

Texel Rate

The GeForce GTX 560 is quite a bit (approximately 26%) more effective at texture filtering than the Radeon HD 6770. (explain)

GeForce GTX 560		45360 Mtexels/sec
Radeon HD 6770		36000 Mtexels/sec
	Difference: 9360 (26%)

Pixel Rate

The GeForce GTX 560 will be much (more or less 80%) better at full screen anti-aliasing than the Radeon HD 6770, and also should be capable of handling higher resolutions while still performing well. (explain)

GeForce GTX 560		25920 Mpixels/sec
Radeon HD 6770		14400 Mpixels/sec
	Difference: 11520 (80%)

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 largest amount of data (measured in megabytes per second) that can be transferred over the external memory interface within a second. The number is worked out by multiplying the card's interface width by the speed of its memory. If the card has DDR type memory, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed in one second. This is calculated 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 video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly record to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.