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GeForce GTX 470 vs GeForce GTX 660

Intro

The GeForce GTX 470 makes use of a 40 nm design. nVidia has clocked the core frequency at 607 MHz. The GDDR5 memory is set to run at a frequency of 837 MHz on this specific model. It features 448 SPUs as well as 56 TAUs and 40 Rasterization Operator Units.

Compare all that to the GeForce GTX 660, which uses a 28 nm design. nVidia has set the core frequency at 980 MHz. The GDDR5 RAM works at a frequency of 1502 MHz on this specific card. It features 960 SPUs along with 80 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 5063 points
GeForce GTX 470 2937 points
Difference: 2126 (72%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 660 140 Watts
GeForce GTX 470 215 Watts
Difference: 75 Watts (54%)

Memory Bandwidth

Performance-wise, the GeForce GTX 660 should theoretically be just a bit better than the GeForce GTX 470 in general. (explain)

GeForce GTX 660 144192 MB/sec
GeForce GTX 470 133920 MB/sec
Difference: 10272 (8%)

Texel Rate

The GeForce GTX 660 should be much (about 131%) better at AF than the GeForce GTX 470. (explain)

GeForce GTX 660 78400 Mtexels/sec
GeForce GTX 470 33992 Mtexels/sec
Difference: 44408 (131%)

Pixel Rate

The GeForce GTX 470 should be a bit (approximately 3%) faster with regards to AA than the GeForce GTX 660, and also able to handle higher resolutions more effectively. (explain)

GeForce GTX 470 24280 Mpixels/sec
GeForce GTX 660 23520 Mpixels/sec
Difference: 760 (3%)

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 470

Amazon.com

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GeForce GTX 660

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 470 GeForce GTX 660
Manufacturer nVidia nVidia
Year March 2010 September 2012
Code Name GF100 GK106
Memory 1280 MB 2048 MB
Core Speed 607 MHz 980 MHz
Memory Speed 3348 MHz 6008 MHz
Power (Max TDP) 215 watts 140 watts
Bandwidth 133920 MB/sec 144192 MB/sec
Texel Rate 33992 Mtexels/sec 78400 Mtexels/sec
Pixel Rate 24280 Mpixels/sec 23520 Mpixels/sec
Unified Shaders 448 960
Texture Mapping Units 56 80
Render Output Units 40 24
Bus Type GDDR5 GDDR5
Bus Width 320-bit 192-bit
Fab Process 40 nm 28 nm
Transistors 3000 million 2540 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 largest amount of information (in units of megabytes per second) that can be transported past the external memory interface in one second. The number is calculated by multiplying the bus width by its memory speed. If it uses DDR RAM, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied per second. This is calculated by multiplying the total amount of texture units of the card by the core clock speed of the chip. The higher this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly write to its local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the number of ROPs by the the core 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 rate also depends on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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GeForce GTX 470

Amazon.com

Check prices at:

GeForce GTX 660

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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