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GeForce GTX 470 vs GeForce GTX 660

Intro

The GeForce GTX 470 comes with a core clock frequency of 607 MHz and a GDDR5 memory speed of 837 MHz. It also makes use of a 320-bit bus, and makes use of a 40 nm design. It is made up of 448 SPUs, 56 TAUs, and 40 ROPs.

Compare those specifications to the GeForce GTX 660, which has clock speeds of 980 MHz on the GPU, and 1502 MHz on the 2048 MB of GDDR5 RAM. It features 960 SPUs as well as 80 Texture Address Units and 24 Rasterization Operator 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

The GeForce GTX 660, in theory, should perform a small bit faster 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 a lot (approximately 131%) more effective 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

The GeForce GTX 470 should be just a bit (about 3%) faster with regards to full screen anti-aliasing than the GeForce GTX 660, and should be able to handle higher screen 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

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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: Bandwidth is the max amount of information (in units of MB per second) that can be transferred across the external memory interface within a second. It's worked out by multiplying the bus width by its memory clock speed. If it uses DDR type RAM, it must be multiplied by 2 again. If it uses 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, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed per second. This number is worked out by multiplying the total 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 per second.

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability 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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