GeForce GTX 460 1GB vs Geforce GTX 690

Intro

Compare those specifications to the Geforce GTX 690, which has GPU clock speed of 915 MHz, and 2048 MB of GDDR5 memory set to run at 1502 MHz through a 256-bit bus. It also is comprised of 1536 Stream Processors, 128 Texture Address Units, and 32 ROPs.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 460 1GB		160 Watts
Geforce GTX 690		300 Watts
	Difference: 140 Watts (88%)

Memory Bandwidth

As far as performance goes, the Geforce GTX 690 should theoretically be much superior to the GeForce GTX 460 1GB in general. (explain)

Geforce GTX 690		384512 MB/sec
GeForce GTX 460 1GB		115200 MB/sec
	Difference: 269312 (234%)

Texel Rate

The Geforce GTX 690 is quite a bit (about 520%) more effective at texture filtering than the GeForce GTX 460 1GB. (explain)

Geforce GTX 690		234240 Mtexels/sec
GeForce GTX 460 1GB		37800 Mtexels/sec
	Difference: 196440 (520%)

Pixel Rate

The Geforce GTX 690 is quite a bit (approximately 171%) more effective at AA than the GeForce GTX 460 1GB, and also able to handle higher screen resolutions more effectively. (explain)

Geforce GTX 690		58560 Mpixels/sec
GeForce GTX 460 1GB		21600 Mpixels/sec
	Difference: 36960 (171%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

Specifications

Memory Bandwidth: Bandwidth is the max amount of data (counted in megabytes per second) that can be transported over the external memory interface in a second. It's worked out by multiplying the card's interface width by its memory clock speed. If the card has DDR RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed in one second. This figure is calculated by multiplying the total number of texture units by the core clock 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 per second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly record to its local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the number of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.