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GeForce 9800 GT 1GB vs GeForce GTX 550 Ti


The GeForce 9800 GT 1GB comes with a GPU clock speed of 600 MHz, and the 1024 MB of GDDR3 memory runs at 900 MHz through a 256-bit bus. It also is comprised of 112 Stream Processors, 56 TAUs, and 16 Raster Operation Units.

Compare those specifications to the GeForce GTX 550 Ti, which features GPU clock speed of 900 MHz, and 1024 MB of GDDR5 memory set to run at 1026 MHz through a 192-bit bus. It also features 192 SPUs, 32 Texture Address Units, and 24 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 9800 GT 1GB 105 Watts
GeForce GTX 550 Ti 116 Watts
Difference: 11 Watts (10%)

Memory Bandwidth

In theory, the GeForce GTX 550 Ti should be much faster than the GeForce 9800 GT 1GB overall. (explain)

GeForce GTX 550 Ti 98496 MB/sec
GeForce 9800 GT 1GB 57600 MB/sec
Difference: 40896 (71%)

Texel Rate

The GeForce 9800 GT 1GB should be a little bit (more or less 17%) faster with regards to anisotropic filtering than the GeForce GTX 550 Ti. (explain)

GeForce 9800 GT 1GB 33600 Mtexels/sec
GeForce GTX 550 Ti 28800 Mtexels/sec
Difference: 4800 (17%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce GTX 550 Ti is the winner, by a large margin. (explain)

GeForce GTX 550 Ti 21600 Mpixels/sec
GeForce 9800 GT 1GB 9600 Mpixels/sec
Difference: 12000 (125%)

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

Display Prices

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GeForce 9800 GT 1GB

GeForce GTX 550 Ti

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.


Display Specifications

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Model GeForce 9800 GT 1GB GeForce GTX 550 Ti
Manufacturer nVidia nVidia
Year July 2008 March 2011
Code Name G92a/b GF116
Memory 1024 MB 1024 MB
Core Speed 600 MHz 900 MHz
Memory Speed 1800 MHz 4104 MHz
Power (Max TDP) 105 watts 116 watts
Bandwidth 57600 MB/sec 98496 MB/sec
Texel Rate 33600 Mtexels/sec 28800 Mtexels/sec
Pixel Rate 9600 Mpixels/sec 21600 Mpixels/sec
Unified Shaders 112 192
Texture Mapping Units 56 32
Render Output Units 16 24
Bus Type GDDR3 GDDR5
Bus Width 256-bit 192-bit
Fab Process 65/55 nm 40 nm
Transistors 754 million 1170 million
Bus PCIe x16 2.0 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 information (counted in MB per second) that can be transported across the external memory interface in a second. It is worked out by multiplying the interface width by its memory clock speed. If it uses DDR type RAM, it must 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, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip can possibly write to its local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on 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 get to the maximum fill rate.


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