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GeForce 8800 GTX vs GeForce GTS 250 1GB

Intro

The GeForce 8800 GTX comes with a core clock frequency of 575 MHz and a GDDR3 memory speed of 900 MHz. It also uses a 384-bit bus, and uses a 90 nm design. It is comprised of 128 SPUs, 64 Texture Address Units, and 24 Raster Operation Units.

Compare those specifications to the GeForce GTS 250 1GB, which has a core clock speed of 738 MHz and a GDDR3 memory speed of 1100 MHz. It also features a 256-bit memory bus, and makes use of a 65/55 nm design. It is made up of 128 SPUs, 64 Texture Address Units, and 16 ROPs.

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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

Theoretically speaking, the GeForce 8800 GTX should be a lot faster than 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 quite a bit (about 28%) faster with regards to AF 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 bit (more or less 17%) more effective at full screen anti-aliasing than the GeForce GTS 250 1GB, and will be able to handle higher screen resolutions without losing too much performance. (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: Bandwidth is the max amount of information (measured in megabytes per second) that can be transferred past the external memory interface in one second. It's worked out by multiplying the bus width by its memory speed. If the card has DDR type memory, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the card's 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 texture map elements (texels) that are processed per second. This figure is calculated by multiplying the total amount of texture units by the core speed of the chip. The higher this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card could possibly record to its local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of colour ROPs by the the card's 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 is also dependant on quite a few other factors, especially 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 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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