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GeForce GTX 470 vs GeForce GTX 660

Intro

The GeForce GTX 470 has clock speeds of 607 MHz on the GPU, and 837 MHz on the 1280 MB of GDDR5 memory. It features 448 SPUs along with 56 TAUs and 40 Rasterization Operator Units.

Compare all of that to the GeForce GTX 660, which has GPU clock speed of 980 MHz, and 2048 MB of GDDR5 memory running at 1502 MHz through a 192-bit bus. It also is made up of 960 Stream Processors, 80 TAUs, and 24 Raster Operation Units.

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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

In theory, the GeForce GTX 660 should be 8% quicker than the GeForce GTX 470 in general, due to its greater data rate. (explain)

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

Texel Rate

The GeForce GTX 660 will be a lot (more or less 131%) better at texture filtering than the GeForce GTX 470. (explain)

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

Pixel Rate

If using a high resolution is important to you, then the GeForce GTX 470 is a better choice, but not by far. (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

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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 (counted in MB per second) that can be transported across the external memory interface in a second. It's calculated by multiplying the card's interface width by its memory clock speed. If the card has DDR RAM, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the card's 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 applied in one second. This is calculated by multiplying the total amount of texture units by the core clock speed of the chip. The better the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly record to its local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to 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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