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GeForce GTX 460 (OEM) vs GeForce GTX 480

Intro

The GeForce GTX 460 (OEM) features a core clock speed of 650 MHz and a GDDR5 memory speed of 850 MHz. It also uses a 256-bit memory bus, and makes use of a 40 nm design. It is made up of 336 SPUs, 56 TAUs, and 32 ROPs.

Compare that to the GeForce GTX 480, which features a core clock speed of 700 MHz and a GDDR5 memory speed of 924 MHz. It also features a 384-bit bus, and uses a 40 nm design. It is made up of 480 SPUs, 60 Texture Address Units, and 48 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 460 (OEM) 150 Watts
GeForce GTX 480 250 Watts
Difference: 100 Watts (67%)

Memory Bandwidth

The GeForce GTX 480, in theory, should perform quite a bit faster than the GeForce GTX 460 (OEM) in general. (explain)

GeForce GTX 480 177408 MB/sec
GeForce GTX 460 (OEM) 108800 MB/sec
Difference: 68608 (63%)

Texel Rate

The GeForce GTX 480 will be a small bit (approximately 15%) faster with regards to AF than the GeForce GTX 460 (OEM). (explain)

GeForce GTX 480 42000 Mtexels/sec
GeForce GTX 460 (OEM) 36400 Mtexels/sec
Difference: 5600 (15%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce GTX 480 is the winner, and very much so. (explain)

GeForce GTX 480 33600 Mpixels/sec
GeForce GTX 460 (OEM) 20800 Mpixels/sec
Difference: 12800 (62%)

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 GTX 460 (OEM)

Amazon.com

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GeForce GTX 480

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 GTX 460 (OEM) GeForce GTX 480
Manufacturer nVidia nVidia
Year October 2010 March 2010
Code Name GF104 GF100
Memory 1024 MB 1536 MB
Core Speed 650 MHz 700 MHz
Memory Speed 3400 MHz 3696 MHz
Power (Max TDP) 150 watts 250 watts
Bandwidth 108800 MB/sec 177408 MB/sec
Texel Rate 36400 Mtexels/sec 42000 Mtexels/sec
Pixel Rate 20800 Mpixels/sec 33600 Mpixels/sec
Unified Shaders 336 480
Texture Mapping Units 56 60
Render Output Units 32 48
Bus Type GDDR5 GDDR5
Bus Width 256-bit 384-bit
Fab Process 40 nm 40 nm
Transistors 1950 million 3000 million
Bus PCIe x16 PCIe x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the max amount of information (counted in megabytes per second) that can be transferred across the external memory interface in one second. The number is worked out by multiplying the bus width by its memory speed. If it uses DDR memory, it should 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 number of texture map elements (texels) that are processed per second. This figure is worked out by multiplying the total texture units by the core speed of the chip. The better 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 one second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly write to its local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Render Output Units 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 fill rate is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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GeForce GTX 460 (OEM)

Amazon.com

Check prices at:

GeForce GTX 480

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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