GeForce GTX 285 1GB vs GeForce GTX 460

Intro

Compare all that to the GeForce GTX 460, which has core clock speeds of 675 MHz on the GPU, and 900 MHz on the 768 MB of GDDR5 RAM. It features 336 SPUs along with 56 TAUs and 24 ROPs.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 460		150 Watts
GeForce GTX 285 1GB		204 Watts
	Difference: 54 Watts (36%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 285 1GB should in theory be much superior to the GeForce GTX 460 in general. (explain)

GeForce GTX 285 1GB		158976 MB/sec
GeForce GTX 460		86400 MB/sec
	Difference: 72576 (84%)

Texel Rate

The GeForce GTX 285 1GB is quite a bit (about 37%) faster with regards to AF than the GeForce GTX 460. (explain)

GeForce GTX 285 1GB		51840 Mtexels/sec
GeForce GTX 460		37800 Mtexels/sec
	Difference: 14040 (37%)

Pixel Rate

The GeForce GTX 285 1GB should be a lot (more or less 28%) faster with regards to full screen anti-aliasing than the GeForce GTX 460, and also should be capable of handling higher resolutions without slowing down too much. (explain)

GeForce GTX 285 1GB		20736 Mpixels/sec
GeForce GTX 460		16200 Mpixels/sec
	Difference: 4536 (28%)

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 information (measured in megabytes per second) that can be moved across the external memory interface in a second. It is worked out by multiplying the interface width by its memory speed. In the case of DDR RAM, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the 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 can be processed per second. This is worked out by multiplying the total texture units by the core 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 a second.

Pixel Rate: Pixel rate is the most pixels the video card could possibly record to its local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on many other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.