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GeForce 9800 GT 1GB vs GeForce GTX 550 Ti

Intro

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

Compare all of that to the GeForce GTX 550 Ti, which has core speeds of 900 MHz on the GPU, and 1026 MHz on the 1024 MB of GDDR5 RAM. It features 192 SPUs along with 32 Texture Address Units and 24 ROPs.

Display Graphs

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(No game benchmarks for this combination yet.)

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

As far as performance goes, the GeForce GTX 550 Ti should in theory be quite a bit superior to the GeForce 9800 GT 1GB in general. (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 is just a bit (about 17%) more effective at 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 a high resolution is important to you, then the GeForce GTX 550 Ti is superior to the GeForce 9800 GT 1GB, by far. (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

Amazon.com

GeForce GTX 550 Ti

Amazon.com

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

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
Fab Process 65/55 nm 40 nm
Bus PCIe x16 2.0 PCIe 2.1 x16
Memory 1024 MB 1024 MB
Core Speed 600 MHz 900 MHz
Shader Speed 1500 MHz 1800 MHz
Memory Speed 900 MHz (1800 MHz effective) 1026 MHz (4104 MHz effective)
Unified Shaders 112 192
Texture Mapping Units 56 32
Render Output Units 16 24
Bus Type GDDR3 GDDR5
Bus Width 256-bit 192-bit
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.0 OpenGL 4.1
Power (Max TDP) 105 watts 116 watts
Shader Model 4.0 5.0
Bandwidth 57600 MB/sec 98496 MB/sec
Texel Rate 33600 Mtexels/sec 28800 Mtexels/sec
Pixel Rate 9600 Mpixels/sec 21600 Mpixels/sec

Memory Bandwidth: Bandwidth is the max amount of information (counted in megabytes per second) that can be transferred over the external memory interface in one second. The number is worked out by multiplying the card's interface width by the speed of its memory. In the case of DDR RAM, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels the video card can possibly write to the local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max fill rate.

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