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GeForce 9800 GT 512MB vs GeForce GTX 750 Ti

Intro

The GeForce 9800 GT 512MB features core speeds of 600 MHz on the GPU, and 900 MHz on the 512 MB of GDDR3 memory. It features 112 SPUs along with 56 Texture Address Units and 16 Rasterization Operator Units.

Compare those specs to the GeForce GTX 750 Ti, which uses a 28 nm design. nVidia has set the core frequency at 1020 MHz. The GDDR5 RAM is set to run at a frequency of 1350 MHz on this particular card. It features 640 SPUs along with 40 TAUs and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 750 Ti 60 Watts
GeForce 9800 GT 512MB 105 Watts
Difference: 45 Watts (75%)

Memory Bandwidth

In theory, the GeForce GTX 750 Ti is 50% faster than the GeForce 9800 GT 512MB in general, due to its greater data rate. (explain)

GeForce GTX 750 Ti 86400 MB/sec
GeForce 9800 GT 512MB 57600 MB/sec
Difference: 28800 (50%)

Texel Rate

The GeForce GTX 750 Ti is quite a bit (about 21%) better at texture filtering than the GeForce 9800 GT 512MB. (explain)

GeForce GTX 750 Ti 40800 Mtexels/sec
GeForce 9800 GT 512MB 33600 Mtexels/sec
Difference: 7200 (21%)

Pixel Rate

If using a high resolution is important to you, then the GeForce GTX 750 Ti is the winner, by far. (explain)

GeForce GTX 750 Ti 16320 Mpixels/sec
GeForce 9800 GT 512MB 9600 Mpixels/sec
Difference: 6720 (70%)

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 9800 GT 512MB

Amazon.com

Check prices at:

GeForce GTX 750 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 9800 GT 512MB GeForce GTX 750 Ti
Manufacturer nVidia nVidia
Year July 2008 February 2014
Code Name G92a/b GM107
Memory 512 MB 2048 MB
Core Speed 600 MHz 1020 MHz
Memory Speed 1800 MHz 5400 MHz
Power (Max TDP) 105 watts 60 watts
Bandwidth 57600 MB/sec 86400 MB/sec
Texel Rate 33600 Mtexels/sec 40800 Mtexels/sec
Pixel Rate 9600 Mpixels/sec 16320 Mpixels/sec
Unified Shaders 112 640
Texture Mapping Units 56 40
Render Output Units 16 16
Bus Type GDDR3 GDDR5
Bus Width 256-bit 128-bit
Fab Process 65/55 nm 28 nm
Transistors 754 million 1870 million
Bus PCIe x16 2.0 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 11.0
OpenGL Version OpenGL 3.0 OpenGL 4.4

Memory Bandwidth: Bandwidth is the largest amount of data (measured in megabytes per second) that can be transferred past the external memory interface within a second. It's worked out by multiplying the interface width by its memory speed. In the case of DDR type RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, 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 texture map elements (texels) that can be applied in one second. This number is worked out by multiplying the total texture units by the core 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 applied per second.

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate 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 output rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

Hide Prices

GeForce 9800 GT 512MB

Amazon.com

Check prices at:

GeForce GTX 750 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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