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GeForce 8800 GTX vs GeForce GTS 250 1GB

Intro

The GeForce 8800 GTX features a core clock frequency of 575 MHz and a GDDR3 memory frequency of 900 MHz. It also uses a 384-bit memory bus, and makes use of a 90 nm design. It features 128 SPUs, 64 Texture Address Units, and 24 ROPs.

Compare those specs to the GeForce GTS 250 1GB, which comes with a clock frequency of 738 MHz and a GDDR3 memory frequency of 1100 MHz. It also makes use of a 256-bit bus, and makes use of a 65/55 nm design. It features 128 SPUs, 64 Texture Address Units, and 16 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTS 250 1GB 145 Watts
GeForce 8800 GTX 155 Watts
Difference: 10 Watts (7%)

Memory Bandwidth

Performance-wise, the GeForce 8800 GTX should theoretically be quite a bit superior to the GeForce GTS 250 1GB in general. (explain)

GeForce 8800 GTX 86400 MB/sec
GeForce GTS 250 1GB 70400 MB/sec
Difference: 16000 (23%)

Texel Rate

The GeForce GTS 250 1GB should be a lot (more or less 28%) better at texture filtering than the GeForce 8800 GTX. (explain)

GeForce GTS 250 1GB 47232 Mtexels/sec
GeForce 8800 GTX 36800 Mtexels/sec
Difference: 10432 (28%)

Pixel Rate

The GeForce 8800 GTX will be a small bit (more or less 17%) better at FSAA than the GeForce GTS 250 1GB, and should be able to handle higher screen resolutions more effectively. (explain)

GeForce 8800 GTX 13800 Mpixels/sec
GeForce GTS 250 1GB 11808 Mpixels/sec
Difference: 1992 (17%)

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 GTX

Amazon.com

Check prices at:

GeForce GTS 250 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 GTX GeForce GTS 250 1GB
Manufacturer nVidia nVidia
Year Nov 2006 March 3, 2009
Code Name G80 G92a/b
Memory 768 MB 1024 MB
Core Speed 575 MHz 738 MHz
Memory Speed 1800 MHz 2200 MHz
Power (Max TDP) 155 watts 145 watts
Bandwidth 86400 MB/sec 70400 MB/sec
Texel Rate 36800 Mtexels/sec 47232 Mtexels/sec
Pixel Rate 13800 Mpixels/sec 11808 Mpixels/sec
Unified Shaders 128 128
Texture Mapping Units 64 64
Render Output Units 24 16
Bus Type GDDR3 GDDR3
Bus Width 384-bit 256-bit
Fab Process 90 nm 65/55 nm
Transistors 681 million 754 million
Bus PCIe x16 PCIe x16 2.0
DirectX Version DirectX 10 DirectX 10
OpenGL Version OpenGL 3.0 OpenGL 3.1

Memory Bandwidth: Memory bandwidth is the maximum amount of information (measured in megabytes per second) that can be transferred past the external memory interface within a second. It is worked out by multiplying the card's bus width by its memory clock speed. In the case of DDR type RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed in one second. This number 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 applied in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as 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, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

GeForce 8800 GTX

Amazon.com

Check prices at:

GeForce GTS 250 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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