GeForce 8800 GTX vs GeForce GT 340 1GB

Intro

Compare all of that to the GeForce GT 340 1GB, which has a GPU core clock speed of 550 MHz, and 1024 MB of GDDR5 RAM running at 850 MHz through a 128-bit bus. It also is comprised of 96 SPUs, 32 TAUs, and 8 ROPs.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 340 1GB		69 Watts
GeForce 8800 GTX		155 Watts
	Difference: 86 Watts (125%)

Memory Bandwidth

As far as performance goes, the GeForce 8800 GTX should in theory be much better than the GeForce GT 340 1GB in general. (explain)

GeForce 8800 GTX		86400 MB/sec
GeForce GT 340 1GB		54400 MB/sec
	Difference: 32000 (59%)

Texel Rate

The GeForce 8800 GTX should be quite a bit (more or less 109%) more effective at anisotropic filtering than the GeForce GT 340 1GB. (explain)

GeForce 8800 GTX		36800 Mtexels/sec
GeForce GT 340 1GB		17600 Mtexels/sec
	Difference: 19200 (109%)

Pixel Rate

The GeForce 8800 GTX is quite a bit (more or less 214%) better at full screen anti-aliasing than the GeForce GT 340 1GB, and also able to handle higher resolutions without slowing down too much. (explain)

GeForce 8800 GTX		13800 Mpixels/sec
GeForce GT 340 1GB		4400 Mpixels/sec
	Difference: 9400 (214%)

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: Memory bandwidth is the maximum amount of information (measured in MB per second) that can be moved over the external memory interface in one second. It is calculated by multiplying the interface width by its memory clock speed. In the case of DDR type memory, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly write to its local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the number of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.