GeForce GTX 480 vs Geforce GTX 770

Intro

Compare all of that to the Geforce GTX 770, which comes with clock speeds of 1046 MHz on the GPU, and 1753 MHz on the 2048 MB of GDDR5 memory. It features 1536 SPUs as well as 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 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 quite a bit (more or less 219%) better at anisotropic 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 will be a bit (about 0%) faster with regards to full screen anti-aliasing than the Geforce GTX 770, and will be able to handle higher resolutions more effectively. (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 largest amount of information (in units of megabytes per second) that can be transferred over the external memory interface in one second. The number is worked out by multiplying the interface width by the speed of its memory. If it uses DDR memory, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied per second. This figure is worked out by multiplying the total amount of texture units by the core clock speed of the chip. The higher this number, the better the graphics card will be at handling 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 can possibly record to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Render Output Units 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 rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.