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GeForce 8800 GTX vs GeForce GTX 550 Ti

Intro

The GeForce 8800 GTX has a GPU core clock speed of 575 MHz, and the 768 MB of GDDR3 RAM is set to run at 900 MHz through a 384-bit bus. It also features 128 SPUs, 64 Texture Address Units, and 24 ROPs.

Compare all that to the GeForce GTX 550 Ti, which makes use of a 40 nm design. nVidia has set the core speed at 900 MHz. The GDDR5 memory is set to run at a frequency of 1026 MHz on this particular model. It features 192 SPUs as well as 32 TAUs and 24 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 550 Ti 116 Watts
GeForce 8800 GTX 155 Watts
Difference: 39 Watts (34%)

Memory Bandwidth

Performance-wise, the GeForce GTX 550 Ti should in theory be a bit better than the GeForce 8800 GTX overall. (explain)

GeForce GTX 550 Ti 98496 MB/sec
GeForce 8800 GTX 86400 MB/sec
Difference: 12096 (14%)

Texel Rate

The GeForce 8800 GTX is a lot (about 28%) faster with regards to texture filtering than the GeForce GTX 550 Ti. (explain)

GeForce 8800 GTX 36800 Mtexels/sec
GeForce GTX 550 Ti 28800 Mtexels/sec
Difference: 8000 (28%)

Pixel Rate

The GeForce GTX 550 Ti is much (about 57%) better at anti-aliasing than the GeForce 8800 GTX, and will be able to handle higher resolutions without losing too much performance. (explain)

GeForce GTX 550 Ti 21600 Mpixels/sec
GeForce 8800 GTX 13800 Mpixels/sec
Difference: 7800 (57%)

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 GTX 550 Ti

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 GTX 550 Ti
Manufacturer nVidia nVidia
Year Nov 2006 March 2011
Code Name G80 GF116
Memory 768 MB 1024 MB
Core Speed 575 MHz 900 MHz
Memory Speed 1800 MHz 4104 MHz
Power (Max TDP) 155 watts 116 watts
Bandwidth 86400 MB/sec 98496 MB/sec
Texel Rate 36800 Mtexels/sec 28800 Mtexels/sec
Pixel Rate 13800 Mpixels/sec 21600 Mpixels/sec
Unified Shaders 128 192
Texture Mapping Units 64 32
Render Output Units 24 24
Bus Type GDDR3 GDDR5
Bus Width 384-bit 192-bit
Fab Process 90 nm 40 nm
Transistors 681 million 1170 million
Bus PCIe x16 PCIe 2.1 x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.0 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the maximum amount of data (measured in megabytes per second) that can be transferred past the external memory interface within a second. It's calculated by multiplying the bus width by the speed of its memory. If the card has DDR memory, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied per second. This number is worked out by multiplying the total texture units by the core clock speed of the chip. The higher this number, the better the card will be at handling 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 chip could possibly record to its local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

GeForce 8800 GTX

Amazon.com

Check prices at:

GeForce GTX 550 Ti

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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