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GeForce 8800 GTS (G92) vs GeForce GTS 450 1GB

Intro

The GeForce 8800 GTS (G92) uses a 65 nm design. nVidia has set the core frequency at 650 MHz. The GDDR3 RAM works at a frequency of 970 MHz on this model. It features 128 SPUs as well as 64 Texture Address Units and 16 ROPs.

Compare those specifications to the GeForce GTS 450 1GB, which features a GPU core clock speed of 783 MHz, and 1024 MB of GDDR5 RAM set to run at 902 MHz through a 128-bit bus. It also features 192 SPUs, 32 Texture Address Units, and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTS 450 1GB 106 Watts
GeForce 8800 GTS (G92) 135 Watts
Difference: 29 Watts (27%)

Memory Bandwidth

Theoretically, the GeForce 8800 GTS (G92) should be a small bit faster than the GeForce GTS 450 1GB overall. (explain)

GeForce 8800 GTS (G92) 62080 MB/sec
GeForce GTS 450 1GB 57728 MB/sec
Difference: 4352 (8%)

Texel Rate

The GeForce 8800 GTS (G92) will be a lot (approximately 66%) more effective at texture filtering than the GeForce GTS 450 1GB. (explain)

GeForce 8800 GTS (G92) 41600 Mtexels/sec
GeForce GTS 450 1GB 25056 Mtexels/sec
Difference: 16544 (66%)

Pixel Rate

The GeForce GTS 450 1GB is a bit (about 20%) faster with regards to FSAA than the GeForce 8800 GTS (G92), and also capable of handling higher resolutions more effectively. (explain)

GeForce GTS 450 1GB 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 1GB

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 1GB
Manufacturer nVidia nVidia
Year Dec 2007 September 2010
Code Name G92 GF106
Memory 512 MB 1024 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: Bandwidth is the largest amount of information (in units of megabytes per second) that can be moved past the external memory interface within a second. The number is worked out by multiplying the card's interface width by its memory clock speed. If the card has DDR type RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR 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 texture units 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 applied per second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly record to its local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the number of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce 8800 GTS (G92)

Amazon.com

Check prices at:

GeForce GTS 450 1GB

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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