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GeForce 8800 GT 1GB vs GeForce GTS 450 1GB

Intro

The GeForce 8800 GT 1GB has a GPU core clock speed of 600 MHz, and the 1024 MB of GDDR3 RAM runs at 900 MHz through a 256-bit bus. It also is comprised of 112 SPUs, 56 TAUs, and 16 ROPs.

Compare those specs to the GeForce GTS 450 1GB, which has a GPU core clock speed of 783 MHz, and 1024 MB of GDDR5 RAM running 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 8800 GT 1GB 105 Watts
GeForce GTS 450 1GB 106 Watts
Difference: 1 Watts (1%)

Memory Bandwidth

In theory, the GeForce GTS 450 1GB should be a bit faster than the GeForce 8800 GT 1GB overall. (explain)

GeForce GTS 450 1GB 57728 MB/sec
GeForce 8800 GT 1GB 57600 MB/sec
Difference: 128 (0%)

Texel Rate

The GeForce 8800 GT 1GB will be much (approximately 34%) better at anisotropic filtering than the GeForce GTS 450 1GB. (explain)

GeForce 8800 GT 1GB 33600 Mtexels/sec
GeForce GTS 450 1GB 25056 Mtexels/sec
Difference: 8544 (34%)

Pixel Rate

If using a high resolution is important to you, then the GeForce GTS 450 1GB is the winner, by a large margin. (explain)

GeForce GTS 450 1GB 12528 Mpixels/sec
GeForce 8800 GT 1GB 9600 Mpixels/sec
Difference: 2928 (31%)

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 GT 1GB

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 GT 1GB GeForce GTS 450 1GB
Manufacturer nVidia nVidia
Year Dec 2007 September 2010
Code Name G92 GF106
Memory 1024 MB 1024 MB
Core Speed 600 MHz 783 MHz
Memory Speed 1800 MHz 3608 MHz
Power (Max TDP) 105 watts 106 watts
Bandwidth 57600 MB/sec 57728 MB/sec
Texel Rate 33600 Mtexels/sec 25056 Mtexels/sec
Pixel Rate 9600 Mpixels/sec 12528 Mpixels/sec
Unified Shaders 112 192
Texture Mapping Units 56 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 max amount of information (counted in megabytes per second) that can be transferred past the external memory interface in one second. It's calculated by multiplying the interface width by its memory clock speed. In the case of DDR RAM, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed in one second. This number is calculated by multiplying the total number of texture units of the card by the core speed of the chip. The better the texel rate, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

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

Display Prices

Hide Prices

GeForce 8800 GT 1GB

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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