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GeForce 8800 GTS (G92) vs GeForce GTS 450

Intro

The GeForce 8800 GTS (G92) makes use of a 65 nm design. nVidia has clocked the core frequency at 650 MHz. The GDDR3 memory is set to run at a frequency of 970 MHz on this specific card. It features 128 SPUs along with 64 TAUs and 16 Rasterization Operator Units.

Compare that to the GeForce GTS 450, which features core speeds of 783 MHz on the GPU, and 902 MHz on the 512 MB of GDDR5 memory. It features 192 SPUs as well as 32 Texture Address Units and 16 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTS 450 106 Watts
GeForce 8800 GTS (G92) 135 Watts
Difference: 29 Watts (27%)

Memory Bandwidth

In theory, the GeForce 8800 GTS (G92) is 8% faster than the GeForce GTS 450 in general, because of its higher bandwidth. (explain)

GeForce 8800 GTS (G92) 62080 MB/sec
GeForce GTS 450 57728 MB/sec
Difference: 4352 (8%)

Texel Rate

The GeForce 8800 GTS (G92) should be much (approximately 66%) better at anisotropic filtering than the GeForce GTS 450. (explain)

GeForce 8800 GTS (G92) 41600 Mtexels/sec
GeForce GTS 450 25056 Mtexels/sec
Difference: 16544 (66%)

Pixel Rate

The GeForce GTS 450 is a bit (more or less 20%) more effective at anti-aliasing than the GeForce 8800 GTS (G92), and also capable of handling higher resolutions better. (explain)

GeForce GTS 450 12528 Mpixels/sec
GeForce 8800 GTS (G92) 10400 Mpixels/sec
Difference: 2128 (20%)

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

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GeForce 8800 GTS (G92)

Amazon.com

Check prices at:

GeForce GTS 450

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model GeForce 8800 GTS (G92) GeForce GTS 450
Manufacturer nVidia nVidia
Year Dec 2007 September 2010
Code Name G92 GF106
Memory 512 MB 512 MB
Core Speed 650 MHz 783 MHz
Memory Speed 1940 MHz 3608 MHz
Power (Max TDP) 135 watts 106 watts
Bandwidth 62080 MB/sec 57728 MB/sec
Texel Rate 41600 Mtexels/sec 25056 Mtexels/sec
Pixel Rate 10400 Mpixels/sec 12528 Mpixels/sec
Unified Shaders 128 192
Texture Mapping Units 64 32
Render Output Units 16 16
Bus Type GDDR3 GDDR5
Bus Width 256-bit 128-bit
Fab Process 65 nm 40 nm
Transistors 754 million 1170 million
Bus PCIe x16 2.0 PCIe x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.0 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the largest amount of data (counted in megabytes per second) that can be transferred past the external memory interface within a second. The number is calculated by multiplying the bus width by the speed of its memory. In the case of DDR type memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip can possibly write to the local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce 8800 GTS (G92)

Amazon.com

Check prices at:

GeForce GTS 450

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

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