GeForce GT 320 vs GeForce GTX 590

Intro

Compare all that to the GeForce GTX 590, which uses a 40 nm design. nVidia has clocked the core frequency at 607 MHz. The GDDR5 RAM is set to run at a speed of 855 MHz on this particular card. It features 512 SPUs along with 64 Texture Address Units and 48 ROPs.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 320		43 Watts
GeForce GTX 590		365 Watts
	Difference: 322 Watts (749%)

Memory Bandwidth

The GeForce GTX 590, in theory, should perform quite a bit faster than the GeForce GT 320 in general. (explain)

GeForce GTX 590		328320 MB/sec
GeForce GT 320		25280 MB/sec
	Difference: 303040 (1199%)

Texel Rate

The GeForce GTX 590 should be quite a bit (approximately 500%) faster with regards to anisotropic filtering than the GeForce GT 320. (explain)

GeForce GTX 590		77696 Mtexels/sec
GeForce GT 320		12960 Mtexels/sec
	Difference: 64736 (500%)

Pixel Rate

The GeForce GTX 590 is quite a bit (approximately 1249%) better at anti-aliasing than the GeForce GT 320, and also should be able to handle higher screen resolutions better. (explain)

GeForce GTX 590		58272 Mpixels/sec
GeForce GT 320		4320 Mpixels/sec
	Difference: 53952 (1249%)

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: Memory bandwidth is the max amount of information (in units of megabytes per second) that can be moved over the external memory interface in a second. It's worked out by multiplying the bus width by the speed of its memory. In the case of DDR memory, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied per second. This is calculated by multiplying the total number of texture units by the core clock speed of the chip. The higher this number, the better the 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 most pixels the graphics card could possibly write to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called 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 memory bandwidth is, the lower the ability to get to the max fill rate.