GeForce GTX 460 1GB vs Geforce GTX 780

Intro

Compare those specs to the Geforce GTX 780, which has a clock frequency of 863 MHz and a GDDR5 memory speed of 1502 MHz. It also features a 384-bit bus, and makes use of a 28 nm design. It is comprised of 2304 SPUs, 192 TAUs, and 48 ROPs.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 460 1GB		160 Watts
Geforce GTX 780		250 Watts
	Difference: 90 Watts (56%)

Memory Bandwidth

As far as performance goes, the Geforce GTX 780 should theoretically be much better than the GeForce GTX 460 1GB overall. (explain)

Geforce GTX 780		288384 MB/sec
GeForce GTX 460 1GB		115200 MB/sec
	Difference: 173184 (150%)

Texel Rate

The Geforce GTX 780 will be a lot (approximately 338%) better at anisotropic filtering than the GeForce GTX 460 1GB. (explain)

Geforce GTX 780		165696 Mtexels/sec
GeForce GTX 460 1GB		37800 Mtexels/sec
	Difference: 127896 (338%)

Pixel Rate

If using high levels of AA is important to you, then the Geforce GTX 780 is superior to the GeForce GTX 460 1GB, by far. (explain)

Geforce GTX 780		41424 Mpixels/sec
GeForce GTX 460 1GB		21600 Mpixels/sec
	Difference: 19824 (92%)

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 largest amount of data (in units of MB per second) that can be moved past the external memory interface in one second. The number is worked out by multiplying the bus width by its memory speed. In the case of DDR type memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied in one second. This is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The higher the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the most pixels the video card could possibly record to its local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.