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GeForce 9800 GT 512MB vs GeForce GTX 750 Ti

Intro

The GeForce 9800 GT 512MB uses a 65/55 nm design. nVidia has clocked the core frequency at 600 MHz. The GDDR3 memory is set to run at a speed of 900 MHz on this specific card. It features 112 SPUs as well as 56 TAUs and 16 Rasterization Operator Units.

Compare all that to the GeForce GTX 750 Ti, which uses a 28 nm design. nVidia has set the core speed at 1020 MHz. The GDDR5 memory runs at a speed of 1350 MHz on this specific card. It features 640 SPUs along with 40 Texture Address Units 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

As far as performance goes, the GeForce GTX 750 Ti should in theory be quite a bit superior to the GeForce 9800 GT 512MB overall. (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 a lot (about 21%) faster with regards to anisotropic 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 superior to the GeForce 9800 GT 512MB, 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: Memory bandwidth is the largest amount of information (in units of MB per second) that can be transported past the external memory interface in one second. The number is worked out by multiplying the bus width by its memory clock speed. If the card has DDR memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also 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 of the card - the lower the memory bandwidth is, the lower the potential to reach 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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