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GeForce 8800 GTX vs GeForce GT 240 GDDR5 1GB

Intro

The GeForce 8800 GTX uses a 90 nm design. nVidia has clocked the core speed at 575 MHz. The GDDR3 RAM is set to run at a frequency of 900 MHz on this specific model. It features 128 SPUs as well as 64 TAUs and 24 ROPs.

Compare all of that to the GeForce GT 240 GDDR5 1GB, which has core clock speeds of 550 MHz on the GPU, and 850 MHz on the 1024 MB of GDDR5 RAM. It features 96 SPUs as well as 32 TAUs and 8 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 240 GDDR5 1GB 70 Watts
GeForce 8800 GTX 155 Watts
Difference: 85 Watts (121%)

Memory Bandwidth

Theoretically speaking, the GeForce 8800 GTX should be much faster than the GeForce GT 240 GDDR5 1GB overall. (explain)

GeForce 8800 GTX 86400 MB/sec
GeForce GT 240 GDDR5 1GB 54400 MB/sec
Difference: 32000 (59%)

Texel Rate

The GeForce 8800 GTX should be much (about 109%) faster with regards to anisotropic filtering than the GeForce GT 240 GDDR5 1GB. (explain)

GeForce 8800 GTX 36800 Mtexels/sec
GeForce GT 240 GDDR5 1GB 17600 Mtexels/sec
Difference: 19200 (109%)

Pixel Rate

The GeForce 8800 GTX will be quite a bit (approximately 214%) more effective at FSAA than the GeForce GT 240 GDDR5 1GB, and will be capable of handling higher screen resolutions more effectively. (explain)

GeForce 8800 GTX 13800 Mpixels/sec
GeForce GT 240 GDDR5 1GB 4400 Mpixels/sec
Difference: 9400 (214%)

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 GT 240 GDDR5 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 GT 240 GDDR5 1GB
Manufacturer nVidia nVidia
Year Nov 2006 November 2009
Code Name G80 GT215
Memory 768 MB 1024 MB
Core Speed 575 MHz 550 MHz
Memory Speed 1800 MHz 3400 MHz
Power (Max TDP) 155 watts 70 watts
Bandwidth 86400 MB/sec 54400 MB/sec
Texel Rate 36800 Mtexels/sec 17600 Mtexels/sec
Pixel Rate 13800 Mpixels/sec 4400 Mpixels/sec
Unified Shaders 128 96
Texture Mapping Units 64 32
Render Output Units 24 8
Bus Type GDDR3 GDDR5
Bus Width 384-bit 128-bit
Fab Process 90 nm 40 nm
Transistors 681 million 289 million
Bus PCIe x16 PCIe x16
DirectX Version DirectX 10 DirectX 10.1
OpenGL Version OpenGL 3.0 OpenGL 3.2

Memory Bandwidth: Bandwidth is the largest amount of information (in units of megabytes per second) that can be transported across the external memory interface within a second. It is calculated by multiplying the interface width by the speed of its memory. If it uses DDR memory, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster 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 processed in one second. This number is worked out by multiplying the total amount of texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output 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 GTX

Amazon.com

Check prices at:

GeForce GT 240 GDDR5 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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