GeForce GTX 560 vs Geforce GTX 770

Intro

Compare those specs to the Geforce GTX 770, which comes with core speeds of 1046 MHz on the GPU, and 1753 MHz on the 2048 MB of GDDR5 RAM. It features 1536 SPUs along with 128 Texture Address Units and 32 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 770		7854 points
GeForce GTX 560		3030 points
	Difference: 4824 (159%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 560		150 Watts
Geforce GTX 770		230 Watts
	Difference: 80 Watts (53%)

Memory Bandwidth

Performance-wise, the Geforce GTX 770 should in theory be quite a bit superior to the GeForce GTX 560 in general. (explain)

Geforce GTX 770		224384 MB/sec
GeForce GTX 560		128128 MB/sec
	Difference: 96256 (75%)

Texel Rate

The Geforce GTX 770 is quite a bit (about 195%) more effective at AF than the GeForce GTX 560. (explain)

Geforce GTX 770		133888 Mtexels/sec
GeForce GTX 560		45360 Mtexels/sec
	Difference: 88528 (195%)

Pixel Rate

The Geforce GTX 770 should be a lot (approximately 29%) better at full screen anti-aliasing than the GeForce GTX 560, and should be capable of handling higher resolutions while still performing well. (explain)

Geforce GTX 770		33472 Mpixels/sec
GeForce GTX 560		25920 Mpixels/sec
	Difference: 7552 (29%)

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 max amount of data (measured in megabytes per second) that can be transferred across the external memory interface in a second. It's calculated by multiplying the card's bus width by its memory speed. If the card has DDR memory, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, 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 texture map elements (texels) that can be processed per second. This number is worked out by multiplying the total number of texture units by the core speed of the chip. The better this number, the better the graphics card will be at handling 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 video 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 the card's 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 quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.