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GeForce GTX 460 1GB vs GeForce GTX 480

Intro

The GeForce GTX 460 1GB comes with a GPU core clock speed of 675 MHz, and the 1024 MB of GDDR5 RAM runs at 900 MHz through a 256-bit bus. It also features 336 Stream Processors, 56 Texture Address Units, and 32 ROPs.

Compare those specifications to the GeForce GTX 480, which makes use of a 40 nm design. nVidia has clocked the core frequency at 700 MHz. The GDDR5 memory is set to run at a frequency of 924 MHz on this card. It features 480 SPUs as well as 60 Texture Address Units 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

Theoretically speaking, the GeForce GTX 480 should perform quite a bit faster than the GeForce GTX 460 1GB overall. (explain)

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

Texel Rate

The GeForce GTX 480 is just a bit (more or less 11%) better at texture 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 using lots of anti-aliasing is important to you, then the GeForce GTX 480 is superior to the GeForce GTX 460 1GB, 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

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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

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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: Bandwidth is the largest amount of data (measured in megabytes per second) that can be transported over the external memory interface within a second. The number is worked out by multiplying the interface width by its memory speed. In the case of DDR memory, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high 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 number of texture units by the core speed of the chip. The better this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly write to its local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to get to 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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