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GeForce GTX 570 vs GeForce GTX 660

Intro

The GeForce GTX 570 makes use of a 40 nm design. nVidia has clocked the core speed at 732 MHz. The GDDR5 memory is set to run at a speed of 950 MHz on this particular model. It features 480 SPUs as well as 60 Texture Address Units and 40 Rasterization Operator Units.

Compare all that to the GeForce GTX 660, which comes with a GPU core 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 Texture Address Units, 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

Theoretically speaking, the GeForce GTX 570 should perform a small 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 quite a bit (more or less 79%) faster with regards to texture filtering 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 is quite a bit (more or less 24%) faster with regards to AA than the GeForce GTX 660, and will be capable of handling higher screen resolutions without losing too much performance. (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 data (measured in megabytes per second) that can be transferred over the external memory interface within a second. It is calculated by multiplying the card's interface width by its memory clock speed. In the case of DDR type RAM, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the faster 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 are applied per second. This is worked out by multiplying the total texture units by the core clock speed of the chip. The better this number, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly write 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 filling the screen with pixels (the image). The actual pixel fill rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach 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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