GeForce GTX 480 vs Geforce GTX 670

Intro

Compare those specifications to the Geforce GTX 670, which comes with GPU core speed of 915 MHz, and 2048 MB of GDDR5 memory set to run at 1500 MHz through a 256-bit bus. It also is made up of 1344 SPUs, 112 TAUs, and 32 ROPs.

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 670		7351 points
GeForce GTX 480		3650 points
	Difference: 3701 (101%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Geforce GTX 670		170 Watts
GeForce GTX 480		250 Watts
	Difference: 80 Watts (47%)

Memory Bandwidth

Theoretically speaking, the Geforce GTX 670 should be a bit faster than the GeForce GTX 480 overall. (explain)

Geforce GTX 670		192000 MB/sec
GeForce GTX 480		177408 MB/sec
	Difference: 14592 (8%)

Texel Rate

The Geforce GTX 670 is much (about 144%) better at anisotropic filtering than the GeForce GTX 480. (explain)

Geforce GTX 670		102480 Mtexels/sec
GeForce GTX 480		42000 Mtexels/sec
	Difference: 60480 (144%)

Pixel Rate

The GeForce GTX 480 should be a bit (about 15%) better at FSAA than the Geforce GTX 670, and able to handle higher resolutions while still performing well. (explain)

GeForce GTX 480		33600 Mpixels/sec
Geforce GTX 670		29280 Mpixels/sec
	Difference: 4320 (15%)

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 (counted in MB per second) that can be moved over the external memory interface in one second. The number is calculated by multiplying the card's bus width by the speed of its memory. If the card has DDR RAM, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster 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 number of texture map elements (texels) that are applied per second. This number is worked out by multiplying the total amount of texture units by the core clock speed of the chip. The better the texel rate, the better the video 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 most pixels the graphics card could possibly write to its local memory in one second - measured in millions of pixels per second. The figure 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 output rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.