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GeForce GTX 460 1GB vs GeForce GTX 480

Intro

The GeForce GTX 460 1GB features a GPU core speed of 675 MHz, and the 1024 MB of GDDR5 memory is set to run at 900 MHz through a 256-bit bus. It also features 336 SPUs, 56 TAUs, and 32 Raster Operation Units.

Compare those specifications to the GeForce GTX 480, which comes with clock speeds of 700 MHz on the GPU, and 924 MHz on the 1536 MB of GDDR5 memory. It features 480 SPUs along with 60 TAUs and 48 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 460 1GB 160 Watts
GeForce GTX 480 250 Watts
Difference: 90 Watts (56%)

Memory Bandwidth

The GeForce GTX 480, in theory, should perform quite a bit faster than the GeForce GTX 460 1GB in general. (explain)

GeForce GTX 480 177408 MB/sec
GeForce GTX 460 1GB 115200 MB/sec
Difference: 62208 (54%)

Texel Rate

The GeForce GTX 480 should be a small bit (more or less 11%) faster with regards to anisotropic filtering than the GeForce GTX 460 1GB. (explain)

GeForce GTX 480 42000 Mtexels/sec
GeForce GTX 460 1GB 37800 Mtexels/sec
Difference: 4200 (11%)

Pixel Rate

If running with a high resolution is important to you, then the GeForce GTX 480 is the winner, by far. (explain)

GeForce GTX 480 33600 Mpixels/sec
GeForce GTX 460 1GB 21600 Mpixels/sec
Difference: 12000 (56%)

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

Display Prices

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GeForce GTX 460 1GB

Amazon.com

GeForce GTX 480

Amazon.com

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

Display Specifications

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Model GeForce GTX 460 1GB GeForce GTX 480
Manufacturer nVidia nVidia
Year July 2010 March 2010
Code Name GF104 GF100
Memory 1024 MB 1536 MB
Core Speed 675 MHz 700 MHz
Memory Speed 3600 MHz 3696 MHz
Power (Max TDP) 160 watts 250 watts
Bandwidth 115200 MB/sec 177408 MB/sec
Texel Rate 37800 Mtexels/sec 42000 Mtexels/sec
Pixel Rate 21600 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 largest amount of data (counted in MB per second) that can be moved past the external memory interface within a second. The number is calculated by multiplying the card's bus width by its memory speed. In the case of DDR type memory, 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 processed per second. This number is worked out by multiplying the total texture units of the card by the core speed of the chip. The better the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip can possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Comments

2 Responses to “GeForce GTX 460 1GB vs GeForce GTX 480”
Hannes says:

What card is above gtx 480?

Wolfe King says:

That would depend on what you consider "above". The 580, 660 (maybe), 760, 6970, 7870, and likely 8770 when it comes out will be above it. Though some of that depends on what you are using it for, as I get better frames on a 480 than I ever did on my 6970s with Metro 2033.

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