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GeForce 8800 GTS (G92) vs GeForce GTS 450

Intro

The GeForce 8800 GTS (G92) comes with a GPU core clock speed of 650 MHz, and the 512 MB of GDDR3 memory runs at 970 MHz through a 256-bit bus. It also is made up of 128 SPUs, 64 Texture Address Units, and 16 ROPs.

Compare that to the GeForce GTS 450, which has a clock frequency of 783 MHz and a GDDR5 memory speed of 902 MHz. It also makes use of a 128-bit bus, and makes use of a 40 nm design. It is made up of 192 SPUs, 32 TAUs, and 16 Raster Operation 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

Theoretically speaking, the GeForce 8800 GTS (G92) should perform a little bit faster than the GeForce GTS 450 in general. (explain)

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

Texel Rate

The GeForce 8800 GTS (G92) is much (about 66%) better at texture 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

If using a high resolution is important to you, then the GeForce GTS 450 is superior to the GeForce 8800 GTS (G92), though not by far. (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 maximum amount of information (in units of MB per second) that can be moved past the external memory interface in a second. It is calculated by multiplying the card's interface width by its memory speed. If it uses DDR type memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, the faster 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 number of texture map elements (texels) that are applied in one second. This is calculated by multiplying the total amount of texture units by the core clock 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 applied in a second.

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