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GeForce GTX 460 1GB vs GeForce GTX 480

Intro

The GeForce GTX 460 1GB uses a 40 nm design. nVidia has clocked the core frequency at 675 MHz. The GDDR5 memory is set to run at a frequency of 900 MHz on this specific model. It features 336 SPUs as well as 56 Texture Address Units and 32 Rasterization Operator Units.

Compare those specs to the GeForce GTX 480, which comes with a clock frequency of 700 MHz and a GDDR5 memory frequency of 924 MHz. It also makes use of a 384-bit bus, and makes use of a 40 nm design. It is made up of 480 SPUs, 60 TAUs, and 48 ROPs.

Display Graphs

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Left4Dead 2

Settings: Very High
AA: 8x
AF: 16x
Resolution: 1920x1200
Test Machine: Tom's Hardware Test Machine (Source)
GeForce GTX 480 137 FPS
GeForce GTX 460 1GB 86 FPS
Difference: 51 FPS (59%)

Mass Effect 2

Settings: Maximum Quality
AA: none
AF: 8x
Resolution: 1920x1200
Test Machine: Tom's Hardware Test Machine (Source)
GeForce GTX 480 177 FPS
GeForce GTX 460 1GB 106 FPS
Difference: 71 FPS (67%)

Supreme Commander 2

Settings: High
AA: 8x
AF: 16x
Resolution: 1920x1200
Test Machine: Tom's Hardware Test Machine (Source)
GeForce GTX 480 99 FPS
GeForce GTX 460 1GB 77 FPS
Difference: 22 FPS (29%)

GeForce GTX 480 wins

(Based entirely on the benchmarks listed above)

When combining all game benchmark scores on this page together, the GeForce GTX 480 wins overall, by 144 FPS. Please note that we do not have the results of every benchmark ever done for these cards, so the results may differ wildly in different games.

GeForce GTX 480 413 FPS
GeForce GTX 460 1GB 269 FPS
Difference: 144 FPS (54%)

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, the GeForce GTX 480 should perform much 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 should be a little bit (about 11%) faster with regards to 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

The GeForce GTX 480 should be a lot (about 56%) more effective at full screen anti-aliasing than the GeForce GTX 460 1GB, and able to handle higher resolutions better. (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
Fab Process 40 nm 40 nm
Bus PCIe x16 PCIe x16
Memory 1024 MB 1536 MB
Core Speed 675 MHz 700 MHz
Shader Speed 1350 MHz 1401 MHz
Memory Speed 3600 MHz 3696 MHz
Unified Shaders 336 480
Texture Mapping Units 56 60
Render Output Units 32 48
Bus Type GDDR5 GDDR5
Bus Width 256-bit 384-bit
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 4.1
Power (Max TDP) 160 watts 250 watts
Shader Model 5.0 5.0
Bandwidth 115200 MB/sec 177408 MB/sec
Texel Rate 37800 Mtexels/sec 42000 Mtexels/sec
Pixel Rate 21600 Mpixels/sec 33600 Mpixels/sec

Memory Bandwidth: Memory bandwidth is the max amount of information (in units of megabytes per second) that can be moved past the external memory interface in one second. It's calculated by multiplying the card's interface width by the speed of its memory. If the card has DDR RAM, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the bandwidth is, the faster 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 are processed per second. This figure is worked out by multiplying the total number of texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card could possibly write to the local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the amount of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential 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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