GeForce 8800 Ultra vs GeForce GT 450 (OEM)

Intro

Compare those specs to the GeForce GT 450 (OEM), which makes use of a 40 nm design. nVidia has clocked the core frequency at 790 MHz. The GDDR5 memory is set to run at a frequency of 1000 MHz on this card. It features 144 SPUs as well as 24 Texture Address Units and 24 Rasterization Operator Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 450 (OEM)		106 Watts
GeForce 8800 Ultra		171 Watts
	Difference: 65 Watts (61%)

Memory Bandwidth

Performance-wise, the GeForce 8800 Ultra should in theory be just a bit better than the GeForce GT 450 (OEM) in general. (explain)

GeForce 8800 Ultra		103680 MB/sec
GeForce GT 450 (OEM)		96000 MB/sec
	Difference: 7680 (8%)

Texel Rate

The GeForce 8800 Ultra should be much (more or less 107%) better at AF than the GeForce GT 450 (OEM). (explain)

GeForce 8800 Ultra		39168 Mtexels/sec
GeForce GT 450 (OEM)		18960 Mtexels/sec
	Difference: 20208 (107%)

Pixel Rate

If using a high resolution is important to you, then the GeForce GT 450 (OEM) is superior to the GeForce 8800 Ultra, and very much so. (explain)

GeForce GT 450 (OEM)		18960 Mpixels/sec
GeForce 8800 Ultra		14688 Mpixels/sec
	Difference: 4272 (29%)

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: Bandwidth is the largest amount of data (in units of MB per second) that can be moved over the external memory interface in a second. The number is worked out by multiplying the interface width by its memory speed. If it uses DDR memory, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better 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 amount of texture map elements (texels) that are processed per second. This figure is calculated by multiplying the total amount of texture units of the card by the core clock speed of the chip. The better this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly write to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the amount of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the max fill rate.