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GeForce GTX 570 vs Geforce GTX 670

Intro

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

Compare all that to the Geforce GTX 670, which uses a 28 nm design. nVidia has set the core frequency at 915 MHz. The GDDR5 memory is set to run at a speed of 1500 MHz on this particular card. It features 1344 SPUs along with 112 Texture Address Units and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Geforce GTX 670 170 Watts
GeForce GTX 570 219 Watts
Difference: 49 Watts (29%)

Memory Bandwidth

Theoretically, the Geforce GTX 670 should be much faster than the GeForce GTX 570 overall. (explain)

Geforce GTX 670 192000 MB/sec
GeForce GTX 570 152000 MB/sec
Difference: 40000 (26%)

Texel Rate

The Geforce GTX 670 should be much (more or less 133%) better at anisotropic filtering than the GeForce GTX 570. (explain)

Geforce GTX 670 102480 Mtexels/sec
GeForce GTX 570 43920 Mtexels/sec
Difference: 58560 (133%)

Pixel Rate

Both cards have the exact same pixel rate, so in theory they should perform equally good at at anti-aliasing, and be capable of handling the same screen resolutions. (explain)

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

Geforce GTX 670

Amazon.com

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 670
Manufacturer nVidia nVidia
Year December 2010 May 2012
Code Name GF110 GK104
Memory 1280 MB 2048 MB
Core Speed 732 MHz 915 MHz
Memory Speed 3800 MHz 6000 MHz
Power (Max TDP) 219 watts 170 watts
Bandwidth 152000 MB/sec 192000 MB/sec
Texel Rate 43920 Mtexels/sec 102480 Mtexels/sec
Pixel Rate 29280 Mpixels/sec 29280 Mpixels/sec
Unified Shaders 480 1344
Texture Mapping Units 60 112
Render Output Units 40 32
Bus Type GDDR5 GDDR5
Bus Width 320-bit 256-bit
Fab Process 40 nm 28 nm
Transistors 3000 million 3540 million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 11.0
OpenGL Version OpenGL 4.1 OpenGL 4.2

Memory Bandwidth: Memory bandwidth is the largest amount of information (in units of MB per second) that can be transported over the external memory interface in one second. The number is calculated by multiplying the interface width by its memory speed. If the card has DDR type RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, 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 number of texture map elements (texels) that can be processed per second. This number is worked out by multiplying the total texture units of the card by the core speed of the chip. The higher this number, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly record to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Render Output Units by the clock 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 output rate is also dependant on lots of 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.

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