GeForce GTX 460 SE vs Geforce GTX 670

Intro

Compare all that to the Geforce GTX 670, which comes with core speeds of 915 MHz on the GPU, and 1500 MHz on the 2048 MB of GDDR5 memory. It features 1344 SPUs as well as 112 Texture Address Units and 32 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 460 SE		150 Watts
Geforce GTX 670		170 Watts
	Difference: 20 Watts (13%)

Memory Bandwidth

The Geforce GTX 670 should in theory be quite a bit faster than the GeForce GTX 460 SE in general. (explain)

Geforce GTX 670		192000 MB/sec
GeForce GTX 460 SE		108800 MB/sec
	Difference: 83200 (76%)

Texel Rate

The Geforce GTX 670 is a lot (approximately 228%) faster with regards to texture filtering than the GeForce GTX 460 SE. (explain)

Geforce GTX 670		102480 Mtexels/sec
GeForce GTX 460 SE		31200 Mtexels/sec
	Difference: 71280 (228%)

Pixel Rate

The Geforce GTX 670 is a lot (more or less 41%) better at anti-aliasing than the GeForce GTX 460 SE, and will be able to handle higher screen resolutions more effectively. (explain)

Geforce GTX 670		29280 Mpixels/sec
GeForce GTX 460 SE		20800 Mpixels/sec
	Difference: 8480 (41%)

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 maximum amount of data (in units of MB per second) that can be transferred past the external memory interface in a second. It's worked out by multiplying the interface width by the speed of its memory. If it uses DDR type memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, 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 number of texture map elements (texels) that can be processed in one second. This is calculated by multiplying the total amount of texture units by the core clock speed of the chip. The higher the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card could 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 core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.