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GeForce GTX 570 vs GeForce GTX 660

Intro

The GeForce GTX 570 has a core clock frequency of 732 MHz and a GDDR5 memory speed of 950 MHz. It also features a 320-bit memory bus, and uses a 40 nm design. It is made up of 480 SPUs, 60 TAUs, and 40 ROPs.

Compare all of that to the GeForce GTX 660, which makes use of a 28 nm design. nVidia has clocked the core frequency at 980 MHz. The GDDR5 memory works at a frequency of 1502 MHz on this particular card. It features 960 SPUs as well as 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 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

The GeForce GTX 570, in theory, should perform 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 should be much (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

The GeForce GTX 570 should be a lot (approximately 24%) better at anti-aliasing than the GeForce GTX 660, and also should be capable of handling higher screen resolutions better. (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

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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 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 largest amount of information (measured in megabytes per second) that can be moved over the external memory interface in a second. The number is calculated by multiplying the card's bus width by its memory speed. If it uses DDR type memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed 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 higher this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card 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 Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum 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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