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GeForce GTX 570 vs GeForce GTX 660

Intro

The GeForce GTX 570 uses a 40 nm design. nVidia has clocked the core frequency at 732 MHz. The GDDR5 RAM runs at a frequency of 950 MHz on this model. It features 480 SPUs along with 60 TAUs and 40 ROPs.

Compare all of that to the GeForce GTX 660, which uses a 28 nm design. nVidia has set the core speed at 980 MHz. The GDDR5 RAM runs at a frequency of 1502 MHz on this card. It features 960 SPUs along with 80 TAUs 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 570 4387 points
Difference: 676 (15%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 660 140 Watts
GeForce GTX 570 219 Watts
Difference: 79 Watts (56%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 570 should be just a bit faster than the GeForce GTX 660 overall. (explain)

GeForce GTX 570 152000 MB/sec
GeForce GTX 660 144192 MB/sec
Difference: 7808 (5%)

Texel Rate

The GeForce GTX 660 will be a lot (more or less 79%) faster with regards to AF than the GeForce GTX 570. (explain)

GeForce GTX 660 78400 Mtexels/sec
GeForce GTX 570 43920 Mtexels/sec
Difference: 34480 (79%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the GeForce GTX 570 is the winner, by a large margin. (explain)

GeForce GTX 570 29280 Mpixels/sec
GeForce GTX 660 23520 Mpixels/sec
Difference: 5760 (24%)

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 570

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 570 GeForce GTX 660
Manufacturer nVidia nVidia
Year December 2010 September 2012
Code Name GF110 GK106
Memory 1280 MB 2048 MB
Core Speed 732 MHz 980 MHz
Memory Speed 3800 MHz 6008 MHz
Power (Max TDP) 219 watts 140 watts
Bandwidth 152000 MB/sec 144192 MB/sec
Texel Rate 43920 Mtexels/sec 78400 Mtexels/sec
Pixel Rate 29280 Mpixels/sec 23520 Mpixels/sec
Unified Shaders 480 960
Texture Mapping Units 60 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 maximum amount of information (in units of MB per second) that can be transferred over the external memory interface within a second. It's calculated by multiplying the bus width by its memory speed. If it uses DDR RAM, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. 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 applied in one second. This is worked out by multiplying the total texture units of the card by the core clock speed of the chip. The better the texel rate, the better the graphics card will be at 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 can possibly record to its local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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GeForce GTX 570

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.

Comments

One Response to “GeForce GTX 570 vs GeForce GTX 660”
Chuck says:

Two words, Shadow Play.

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