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GeForce GTX 480 vs GeForce GTX 660 Ti

Intro

The GeForce GTX 480 comes with a GPU core speed of 700 MHz, and the 1536 MB of GDDR5 memory runs at 924 MHz through a 384-bit bus. It also is made up of 480 Stream Processors, 60 TAUs, and 48 ROPs.

Compare all of that to the GeForce GTX 660 Ti, which comes with a GPU core clock speed of 915 MHz, and 2048 MB of GDDR5 RAM set to run at 1500 MHz through a 192-bit bus. It also features 1344 Stream Processors, 112 TAUs, and 24 ROPs.

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

GeForce GTX 660 Ti 6013 points
GeForce GTX 480 3650 points
Difference: 2363 (65%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 660 Ti 150 Watts
GeForce GTX 480 250 Watts
Difference: 100 Watts (67%)

Memory Bandwidth

Performance-wise, the GeForce GTX 480 should in theory be a lot superior to the GeForce GTX 660 Ti overall. (explain)

GeForce GTX 480 177408 MB/sec
GeForce GTX 660 Ti 144000 MB/sec
Difference: 33408 (23%)

Texel Rate

The GeForce GTX 660 Ti is quite a bit (more or less 144%) more effective at AF than the GeForce GTX 480. (explain)

GeForce GTX 660 Ti 102480 Mtexels/sec
GeForce GTX 480 42000 Mtexels/sec
Difference: 60480 (144%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the GeForce GTX 480 is a better choice, by a large margin. (explain)

GeForce GTX 480 33600 Mpixels/sec
GeForce GTX 660 Ti 21960 Mpixels/sec
Difference: 11640 (53%)

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 480

Amazon.com

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GeForce GTX 660 Ti

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 GTX 480 GeForce GTX 660 Ti
Manufacturer nVidia nVidia
Year March 2010 August 2012
Code Name GF100 GK104
Memory 1536 MB 2048 MB
Core Speed 700 MHz 915 MHz
Memory Speed 3696 MHz 6000 MHz
Power (Max TDP) 250 watts 150 watts
Bandwidth 177408 MB/sec 144000 MB/sec
Texel Rate 42000 Mtexels/sec 102480 Mtexels/sec
Pixel Rate 33600 Mpixels/sec 21960 Mpixels/sec
Unified Shaders 480 1344
Texture Mapping Units 60 112
Render Output Units 48 24
Bus Type GDDR5 GDDR5
Bus Width 384-bit 192-bit
Fab Process 40 nm 28 nm
Transistors 3000 million 3540 million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 11.0
OpenGL Version OpenGL 4.1 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the maximum amount of information (measured in MB per second) that can be transported over the external memory interface within a second. It's calculated by multiplying the bus width by its memory clock speed. If it uses DDR memory, it must be multiplied by 2 once again. If it uses 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, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied in one second. This number is worked out by multiplying the total amount of texture units of the card by the core clock 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 in one second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could 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 colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on many other factors, especially 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 GTX 480

Amazon.com

Check prices at:

GeForce GTX 660 Ti

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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