GeForce GTX 550 Ti vs Geforce GTX 770

Intro

Compare all that to the Geforce GTX 770, which features core clock speeds of 1046 MHz on the GPU, and 1753 MHz on the 2048 MB of GDDR5 RAM. It features 1536 SPUs along with 128 TAUs 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 550 Ti		1897 points
	Difference: 5957 (314%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 550 Ti		116 Watts
Geforce GTX 770		230 Watts
	Difference: 114 Watts (98%)

Memory Bandwidth

Theoretically speaking, the Geforce GTX 770 should be quite a bit faster than the GeForce GTX 550 Ti in general. (explain)

Geforce GTX 770		224384 MB/sec
GeForce GTX 550 Ti		98496 MB/sec
	Difference: 125888 (128%)

Texel Rate

The Geforce GTX 770 is a lot (more or less 365%) faster with regards to anisotropic filtering than the GeForce GTX 550 Ti. (explain)

Geforce GTX 770		133888 Mtexels/sec
GeForce GTX 550 Ti		28800 Mtexels/sec
	Difference: 105088 (365%)

Pixel Rate

The Geforce GTX 770 will be a lot (about 55%) more effective at full screen anti-aliasing than the GeForce GTX 550 Ti, and also will be able to handle higher screen resolutions more effectively. (explain)

Geforce GTX 770		33472 Mpixels/sec
GeForce GTX 550 Ti		21600 Mpixels/sec
	Difference: 11872 (55%)

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 (counted in MB per second) that can be transported across the external memory interface within a second. It's worked out by multiplying the interface width by its memory speed. If the card has DDR memory, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, 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 number of texture map elements (texels) that can be applied per second. This number is worked out by multiplying the total number of texture units of the card by the core speed of the chip. The better this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly write to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on lots of 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.