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GeForce 9800 GTX vs GeForce GTX 650 Ti

Intro

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

Compare those specs to the GeForce GTX 650 Ti, which uses a 28 nm design. nVidia has clocked the core speed at 928 MHz. The GDDR5 RAM runs at a frequency of 1350 MHz on this particular card. It features 768 SPUs as well as 64 TAUs and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 650 Ti 110 Watts
GeForce 9800 GTX 140 Watts
Difference: 30 Watts (27%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 650 Ti should perform a lot faster than the GeForce 9800 GTX in general. (explain)

GeForce GTX 650 Ti 86400 MB/sec
GeForce 9800 GTX 70400 MB/sec
Difference: 16000 (23%)

Texel Rate

The GeForce GTX 650 Ti is a lot (approximately 37%) better at anisotropic filtering than the GeForce 9800 GTX. (explain)

GeForce GTX 650 Ti 59392 Mtexels/sec
GeForce 9800 GTX 43200 Mtexels/sec
Difference: 16192 (37%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the GeForce GTX 650 Ti is superior to the GeForce 9800 GTX, by far. (explain)

GeForce GTX 650 Ti 14848 Mpixels/sec
GeForce 9800 GTX 10800 Mpixels/sec
Difference: 4048 (37%)

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

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GeForce GTX 650 Ti

Amazon.com

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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 650 Ti
Manufacturer nVidia nVidia
Year April 2008 October 2012
Code Name G92 GK106
Memory 512 MB 1024 MB
Core Speed 675 MHz 928 MHz
Memory Speed 2200 MHz 5400 MHz
Power (Max TDP) 140 watts 110 watts
Bandwidth 70400 MB/sec 86400 MB/sec
Texel Rate 43200 Mtexels/sec 59392 Mtexels/sec
Pixel Rate 10800 Mpixels/sec 14848 Mpixels/sec
Unified Shaders 128 768
Texture Mapping Units 64 64
Render Output Units 16 16
Bus Type GDDR3 GDDR5
Bus Width 256-bit 128-bit
Fab Process 65 nm 28 nm
Transistors 754 million 2540 million
Bus PCIe x16 2.0 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 11.0
OpenGL Version OpenGL 3.0 OpenGL 4.3

Memory Bandwidth: Bandwidth is the largest amount of data (measured in MB per second) that can be moved past the external memory interface in a second. The number is calculated by multiplying the bus width by its memory speed. In the case of DDR type RAM, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied per second. This is calculated by multiplying the total amount of texture units of the card by the core clock speed of the chip. The higher this number, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly record to the local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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GeForce 9800 GTX

Amazon.com

Check prices at:

GeForce GTX 650 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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