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GeForce 9800 GTX vs GeForce GTX 650 Ti 2GB

Intro

The GeForce 9800 GTX has core clock speeds of 675 MHz on the GPU, and 1100 MHz on the 512 MB of GDDR3 memory. It features 128 SPUs as well as 64 Texture Address Units and 16 ROPs.

Compare all that to the GeForce GTX 650 Ti 2GB, which makes use of a 28 nm design. nVidia has clocked the core speed at 928 MHz. The GDDR5 RAM works at a speed of 1350 MHz on this particular model. It features 768 SPUs along with 64 TAUs and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 650 Ti 2GB 110 Watts
GeForce 9800 GTX 140 Watts
Difference: 30 Watts (27%)

Memory Bandwidth

Performance-wise, the GeForce GTX 650 Ti 2GB should theoretically be much better than the GeForce 9800 GTX in general. (explain)

GeForce GTX 650 Ti 2GB 86400 MB/sec
GeForce 9800 GTX 70400 MB/sec
Difference: 16000 (23%)

Texel Rate

The GeForce GTX 650 Ti 2GB will be much (more or less 37%) more effective at anisotropic filtering than the GeForce 9800 GTX. (explain)

GeForce GTX 650 Ti 2GB 59392 Mtexels/sec
GeForce 9800 GTX 43200 Mtexels/sec
Difference: 16192 (37%)

Pixel Rate

The GeForce GTX 650 Ti 2GB is a lot (about 37%) better at AA than the GeForce 9800 GTX, and also capable of handling higher screen resolutions without slowing down too much. (explain)

GeForce GTX 650 Ti 2GB 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

Check prices at:

GeForce GTX 650 Ti 2GB

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 650 Ti 2GB
Manufacturer nVidia nVidia
Year April 2008 October 2012
Code Name G92 GK106
Memory 512 MB 2048 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: Memory bandwidth is the largest amount of data (in units of megabytes per second) that can be transported across the external memory interface in a second. The number is calculated by multiplying the card's bus width by its memory speed. In the case of DDR RAM, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels the video card could possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

GeForce 9800 GTX

Amazon.com

Check prices at:

GeForce GTX 650 Ti 2GB

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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