GeForce 8800 GTS (G92) vs GeForce GT 340 1GB

Intro

Compare that to the GeForce GT 340 1GB, which features clock speeds of 550 MHz on the GPU, and 850 MHz on the 1024 MB of GDDR5 RAM. It features 96 SPUs as well as 32 Texture Address Units and 8 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 340 1GB		69 Watts
GeForce 8800 GTS (G92)		135 Watts
	Difference: 66 Watts (96%)

Memory Bandwidth

In theory, the GeForce 8800 GTS (G92) is 14% quicker than the GeForce GT 340 1GB overall, due to its greater bandwidth. (explain)

GeForce 8800 GTS (G92)		62080 MB/sec
GeForce GT 340 1GB		54400 MB/sec
	Difference: 7680 (14%)

Texel Rate

The GeForce 8800 GTS (G92) is quite a bit (approximately 136%) better at anisotropic filtering than the GeForce GT 340 1GB. (explain)

GeForce 8800 GTS (G92)		41600 Mtexels/sec
GeForce GT 340 1GB		17600 Mtexels/sec
	Difference: 24000 (136%)

Pixel Rate

If running with a high resolution is important to you, then the GeForce 8800 GTS (G92) is a better choice, by far. (explain)

GeForce 8800 GTS (G92)		10400 Mpixels/sec
GeForce GT 340 1GB		4400 Mpixels/sec
	Difference: 6000 (136%)

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 data (in units of megabytes per second) that can be transported past the external memory interface in one second. It's worked out by multiplying the card's bus width by its memory clock speed. If it uses DDR memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better 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 per second. This figure is worked out by multiplying the total amount of texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly record to its local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.