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GeForce 9800 GTX+ vs GeForce GTX 460

Intro

The GeForce 9800 GTX+ features a clock frequency of 738 MHz and a GDDR3 memory frequency of 1100 MHz. It also makes use of a 256-bit memory bus, and makes use of a 55 nm design. It is made up of 128 SPUs, 64 Texture Address Units, and 16 ROPs.

Compare those specs 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 works at a frequency of 900 MHz on this specific model. It features 336 SPUs as well as 56 Texture Address Units and 24 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 9800 GTX+ 145 Watts
GeForce GTX 460 150 Watts
Difference: 5 Watts (3%)

Memory Bandwidth

Performance-wise, the GeForce GTX 460 should theoretically be much superior to 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+ will be quite a bit (more or less 25%) better at anisotropic filtering than the GeForce GTX 460. (explain)

GeForce 9800 GTX+ 47232 Mtexels/sec
GeForce GTX 460 37800 Mtexels/sec
Difference: 9432 (25%)

Pixel Rate

The GeForce GTX 460 will be quite a bit (approximately 37%) more effective at FSAA than the GeForce 9800 GTX+, and able to handle higher resolutions better. (explain)

GeForce GTX 460 16200 Mpixels/sec
GeForce 9800 GTX+ 11808 Mpixels/sec
Difference: 4392 (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 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.

Specifications

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Model GeForce 9800 GTX+ GeForce GTX 460
Manufacturer nVidia nVidia
Year July 2008 July 2010
Code Name G92b GF104
Memory 512 MB 768 MB
Core Speed 738 MHz 675 MHz
Memory Speed 2200 MHz 3600 MHz
Power (Max TDP) 145 watts 150 watts
Bandwidth 70400 MB/sec 86400 MB/sec
Texel Rate 47232 Mtexels/sec 37800 Mtexels/sec
Pixel Rate 11808 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 55 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 max amount of data (in units of MB per second) that can be transferred past the external memory interface in a second. It's worked out by multiplying the card's interface width by its memory clock speed. If it uses DDR type RAM, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the card's 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 applied per second. This figure is calculated by multiplying the total amount of texture units by the core speed of the chip. The higher this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can 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 Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on many other factors, most notably the memory bandwidth - 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 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.

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