GeForce GT 340 1GB vs GeForce GTX 295

Intro

Compare all of that to the GeForce GTX 295, which has clock speeds of 576 MHz on the GPU, and 999 MHz on the 896 MB of GDDR3 RAM. It features 240 SPUs along with 80 TAUs and 28 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 340 1GB		69 Watts
GeForce GTX 295		289 Watts
	Difference: 220 Watts (319%)

Memory Bandwidth

Performance-wise, the GeForce GTX 295 should in theory be much superior to the GeForce GT 340 1GB overall. (explain)

GeForce GTX 295		223776 MB/sec
GeForce GT 340 1GB		54400 MB/sec
	Difference: 169376 (311%)

Texel Rate

The GeForce GTX 295 should be a lot (about 424%) faster with regards to texture filtering than the GeForce GT 340 1GB. (explain)

GeForce GTX 295		92160 Mtexels/sec
GeForce GT 340 1GB		17600 Mtexels/sec
	Difference: 74560 (424%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce GTX 295 is superior to the GeForce GT 340 1GB, and very much so. (explain)

GeForce GTX 295		32256 Mpixels/sec
GeForce GT 340 1GB		4400 Mpixels/sec
	Difference: 27856 (633%)

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 largest amount of information (counted in MB per second) that can be moved past the external memory interface in a second. It's calculated by multiplying the bus width by the speed of its memory. If it uses DDR type memory, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed per second. This is worked out by multiplying the total number of texture units of the card by the core speed of the chip. The better 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 one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly write to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on 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 maximum fill rate.