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GeForce 8800 GTS (G92) vs GeForce GT 240 GDDR5

Intro

The GeForce 8800 GTS (G92) comes with core clock speeds of 650 MHz on the GPU, and 970 MHz on the 512 MB of GDDR3 RAM. It features 128 SPUs as well as 64 TAUs and 16 ROPs.

Compare all that to the GeForce GT 240 GDDR5, which comes with a core clock frequency of 550 MHz and a GDDR5 memory speed of 850 MHz. It also uses a 128-bit memory bus, and makes use of a 40 nm design. It is comprised of 96 SPUs, 32 Texture Address Units, and 8 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 240 GDDR5 70 Watts
GeForce 8800 GTS (G92) 135 Watts
Difference: 65 Watts (93%)

Memory Bandwidth

Theoretically speaking, the GeForce 8800 GTS (G92) should be 14% faster than the GeForce GT 240 GDDR5 in general, due to its greater data rate. (explain)

GeForce 8800 GTS (G92) 62080 MB/sec
GeForce GT 240 GDDR5 54400 MB/sec
Difference: 7680 (14%)

Texel Rate

The GeForce 8800 GTS (G92) should be much (approximately 136%) faster with regards to anisotropic filtering than the GeForce GT 240 GDDR5. (explain)

GeForce 8800 GTS (G92) 41600 Mtexels/sec
GeForce GT 240 GDDR5 17600 Mtexels/sec
Difference: 24000 (136%)

Pixel Rate

The GeForce 8800 GTS (G92) will be quite a bit (more or less 136%) more effective at anti-aliasing than the GeForce GT 240 GDDR5, and will be able to handle higher screen resolutions better. (explain)

GeForce 8800 GTS (G92) 10400 Mpixels/sec
GeForce GT 240 GDDR5 4400 Mpixels/sec
Difference: 6000 (136%)

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

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GeForce GT 240 GDDR5

Amazon.com

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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 GT 240 GDDR5
Manufacturer nVidia nVidia
Year Dec 2007 Novermber 2009
Code Name G92 GT215
Memory 512 MB 512 MB
Core Speed 650 MHz 550 MHz
Memory Speed 1940 MHz 3400 MHz
Power (Max TDP) 135 watts 70 watts
Bandwidth 62080 MB/sec 54400 MB/sec
Texel Rate 41600 Mtexels/sec 17600 Mtexels/sec
Pixel Rate 10400 Mpixels/sec 4400 Mpixels/sec
Unified Shaders 128 96
Texture Mapping Units 64 32
Render Output Units 16 8
Bus Type GDDR3 GDDR5
Bus Width 256-bit 128-bit
Fab Process 65 nm 40 nm
Transistors 754 million 289 million
Bus PCIe x16 2.0 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 (measured in MB per second) that can be moved past the external memory interface in one second. It is worked out by multiplying the bus width by its memory speed. If it uses DDR type memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed per second. This is worked out by multiplying the total number of texture units of the card by the core speed of the chip. The higher the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of ROPs by the the card's clock speed. 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 quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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GeForce 8800 GTS (G92)

Amazon.com

Check prices at:

GeForce GT 240 GDDR5

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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