GeForce GTX 480 vs Geforce GTX 770

Intro

Compare all of that to the Geforce GTX 770, which comes with GPU core speed of 1046 MHz, and 2048 MB of GDDR5 memory running at 1753 MHz through a 256-bit bus. It also features 1536 SPUs, 128 Texture Address Units, and 32 Raster Operation 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 480		3650 points
	Difference: 4204 (115%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Geforce GTX 770		230 Watts
GeForce GTX 480		250 Watts
	Difference: 20 Watts (9%)

Memory Bandwidth

The Geforce GTX 770 should theoretically perform much faster than the GeForce GTX 480 overall. (explain)

Geforce GTX 770		224384 MB/sec
GeForce GTX 480		177408 MB/sec
	Difference: 46976 (26%)

Texel Rate

The Geforce GTX 770 will be a lot (more or less 219%) more effective at texture filtering than the GeForce GTX 480. (explain)

Geforce GTX 770		133888 Mtexels/sec
GeForce GTX 480		42000 Mtexels/sec
	Difference: 91888 (219%)

Pixel Rate

The GeForce GTX 480 is a bit (more or less 0%) better at anti-aliasing than the Geforce GTX 770, and also should be capable of handling higher resolutions better. (explain)

GeForce GTX 480		33600 Mpixels/sec
Geforce GTX 770		33472 Mpixels/sec
	Difference: 128 (0%)

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 maximum amount of data (in units of megabytes per second) that can be moved over the external memory interface in one second. The number is worked out by multiplying the card's bus width by its memory speed. If the card has DDR RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied in one second. This number is calculated by multiplying the total texture units of the card by the core speed of the chip. The higher the texel rate, the better the graphics 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 number of pixels that the graphics chip could possibly write to its local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of ROPs by the the core 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 fill rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.