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GeForce 9800 GTX vs GeForce GTX 460

Intro

The GeForce 9800 GTX features a clock speed of 675 MHz and a GDDR3 memory speed of 1100 MHz. It also uses a 256-bit memory bus, and makes use of a 65 nm design. It is made up of 128 SPUs, 64 TAUs, and 16 Raster Operation Units.

Compare all that to the GeForce GTX 460, which makes use of a 40 nm design. nVidia has set the core speed at 675 MHz. The GDDR5 RAM is set to run at a speed of 900 MHz on this particular model. It features 336 SPUs as well as 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

Theoretically speaking, the GeForce GTX 460 should perform a lot faster than the GeForce 9800 GTX overall. (explain)

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

Texel Rate

The GeForce 9800 GTX is just a bit (more or less 14%) better at texture filtering than the GeForce GTX 460. (explain)

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

Pixel Rate

The GeForce GTX 460 is quite a bit (about 50%) more effective at full screen anti-aliasing than the GeForce 9800 GTX, and also should be able to handle higher screen resolutions without losing too much performance. (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 largest amount of data (counted in megabytes per second) that can be transported past the external memory interface within a second. It's calculated by multiplying the bus width by the speed of its memory. If the card has DDR RAM, it 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, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied in one second. This figure is calculated by multiplying the total amount of texture units by the core speed of the chip. The better this number, the better the 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 maximum amount of pixels that the graphics chip can possibly record to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability 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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