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GeForce 9800 GTX vs GeForce GTX 750

Intro

The GeForce 9800 GTX uses a 65 nm design. nVidia has clocked the core frequency at 675 MHz. The GDDR3 memory is set to run at a speed of 1100 MHz on this specific card. It features 128 SPUs as well as 64 TAUs and 16 Rasterization Operator Units.

Compare those specs to the GeForce GTX 750, which has a GPU core clock speed of 1020 MHz, and 1024 MB of GDDR5 memory running at 1250 MHz through a 128-bit bus. It also is made up of 512 SPUs, 32 Texture Address Units, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 750 55 Watts
GeForce 9800 GTX 140 Watts
Difference: 85 Watts (155%)

Memory Bandwidth

The GeForce GTX 750 should theoretically be a bit faster than the GeForce 9800 GTX in general. (explain)

GeForce GTX 750 80000 MB/sec
GeForce 9800 GTX 70400 MB/sec
Difference: 9600 (14%)

Texel Rate

The GeForce 9800 GTX should be quite a bit (approximately 32%) more effective at anisotropic filtering than the GeForce GTX 750. (explain)

GeForce 9800 GTX 43200 Mtexels/sec
GeForce GTX 750 32640 Mtexels/sec
Difference: 10560 (32%)

Pixel Rate

The GeForce GTX 750 should be a lot (more or less 51%) more effective at full screen anti-aliasing than the GeForce 9800 GTX, and also will be capable of handling higher resolutions while still performing well. (explain)

GeForce GTX 750 16320 Mpixels/sec
GeForce 9800 GTX 10800 Mpixels/sec
Difference: 5520 (51%)

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 GTX

Amazon.com

Check prices at:

GeForce GTX 750

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 GTX GeForce GTX 750
Manufacturer nVidia nVidia
Year April 2008 February 2014
Code Name G92 GM107
Memory 512 MB 1024 MB
Core Speed 675 MHz 1020 MHz
Memory Speed 2200 MHz 5000 MHz
Power (Max TDP) 140 watts 55 watts
Bandwidth 70400 MB/sec 80000 MB/sec
Texel Rate 43200 Mtexels/sec 32640 Mtexels/sec
Pixel Rate 10800 Mpixels/sec 16320 Mpixels/sec
Unified Shaders 128 512
Texture Mapping Units 64 32
Render Output Units 16 16
Bus Type GDDR3 GDDR5
Bus Width 256-bit 128-bit
Fab Process 65 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 max amount of information (counted in megabytes per second) that can be transferred over the external memory interface in a second. It's worked out by multiplying the card's interface width by its memory clock speed. In the case of DDR memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, 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 amount of texture map elements (texels) that are applied per second. This figure is calculated by multiplying the total amount of texture units by the core clock speed of the chip. The higher this number, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly write to its local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the number of ROPs by the the core 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 is also dependant on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce 9800 GTX

Amazon.com

Check prices at:

GeForce GTX 750

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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