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GeForce 9800 GTX vs GeForce GTX 460

Intro

The GeForce 9800 GTX makes use of a 65 nm design. nVidia has clocked the core frequency at 675 MHz. The GDDR3 memory runs at a frequency of 1100 MHz on this specific model. It features 128 SPUs as well as 64 TAUs and 16 Rasterization Operator Units.

Compare those specs to the GeForce GTX 460, which features a clock frequency of 675 MHz and a GDDR5 memory speed of 900 MHz. It also features a 192-bit memory bus, and makes use of a 40 nm design. It features 336 SPUs, 56 TAUs, and 24 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 9800 GTX 140 Watts
GeForce GTX 460 150 Watts
Difference: 10 Watts (7%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 460 should theoretically be a lot superior to the GeForce 9800 GTX in general. (explain)

GeForce GTX 460 86400 MB/sec
GeForce 9800 GTX 70400 MB/sec
Difference: 16000 (23%)

Texel Rate

The GeForce 9800 GTX will be just a bit (more or less 14%) more effective at anisotropic filtering than the GeForce GTX 460. (explain)

GeForce 9800 GTX 43200 Mtexels/sec
GeForce GTX 460 37800 Mtexels/sec
Difference: 5400 (14%)

Pixel Rate

If running with high levels of AA is important to you, then the GeForce GTX 460 is the winner, by far. (explain)

GeForce GTX 460 16200 Mpixels/sec
GeForce 9800 GTX 10800 Mpixels/sec
Difference: 5400 (50%)

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 460

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 460
Manufacturer nVidia nVidia
Year April 2008 July 2010
Code Name G92 GF104
Memory 512 MB 768 MB
Core Speed 675 MHz 675 MHz
Memory Speed 2200 MHz 3600 MHz
Power (Max TDP) 140 watts 150 watts
Bandwidth 70400 MB/sec 86400 MB/sec
Texel Rate 43200 Mtexels/sec 37800 Mtexels/sec
Pixel Rate 10800 Mpixels/sec 16200 Mpixels/sec
Unified Shaders 128 336
Texture Mapping Units 64 56
Render Output Units 16 24
Bus Type GDDR3 GDDR5
Bus Width 256-bit 192-bit
Fab Process 65 nm 40 nm
Transistors 754 million 1950 million
Bus PCIe x16 2.0 PCIe x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.0 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the maximum amount of information (measured in MB per second) that can be transferred across the external memory interface in a second. The number is calculated by multiplying the bus width by its memory speed. If it uses DDR memory, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. 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 amount of texture map elements (texels) that can be processed in one second. This figure is worked out by multiplying the total amount of texture units by the core 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 in a second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip 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 number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on lots of other factors, especially 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

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GeForce 9800 GTX

Amazon.com

Check prices at:

GeForce GTX 460

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.

Comments

One Response to “GeForce 9800 GTX vs GeForce GTX 460”
Best Budget Graphics Card says:

[...] it won't make much of a difference, check out this test comparing the 9800GTX to the GTX 460: GeForce 9800 GTX vs GeForce GTX 460 – Performance Comparison Benchmarks @ Hardware Compare Just thought I would pass along some potential savings. When I get the cash to build me dedicated [...]

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