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GeForce GTX 570 vs Geforce GTX 670

Intro

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

Compare those specs to the Geforce GTX 670, which has GPU core speed of 915 MHz, and 2048 MB of GDDR5 memory set to run at 1500 MHz through a 256-bit bus. It also is comprised of 1344 SPUs, 112 Texture Address Units, and 32 ROPs.

(No game benchmarks for this combination yet.)

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

The Geforce GTX 670 should theoretically perform quite a bit faster than the GeForce GTX 570 in general. (explain)

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

Texel Rate

The Geforce GTX 670 is much (about 133%) faster with regards to texture 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 fill rate, so in theory they should perform equally good at at AA, and be able to handle 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

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

Model GeForce GTX 570 Geforce GTX 670
Manufacturer nVidia nVidia
Year December 2010 May 2012
Code Name GF110 GK104
Fab Process 40 nm 28 nm
Bus PCIe x16 PCIe 3.0 x16
Memory 1280 MB 2048 MB
Core Speed 732 MHz 915 MHz
Shader Speed 1464 MHz 915 MHz
Memory Speed 950 MHz (3800 MHz effective) 1500 MHz (6000 MHz effective)
Unified Shaders 480 1344
Texture Mapping Units 60 112
Render Output Units 40 32
Bus Type GDDR5 GDDR5
Bus Width 320-bit 256-bit
DirectX Version DirectX 11 DirectX 11.0
OpenGL Version OpenGL 4.1 OpenGL 4.2
Power (Max TDP) 219 watts 170 watts
Shader Model 5.0 5.0
Bandwidth 152000 MB/sec 192000 MB/sec
Texel Rate 43920 Mtexels/sec 102480 Mtexels/sec
Pixel Rate 29280 Mpixels/sec 29280 Mpixels/sec

Memory Bandwidth: Bandwidth is the max amount of data (in units of MB per second) that can be transferred past the external memory interface in a second. It's worked out by multiplying the card's bus width by the speed of its memory. If the card has DDR type memory, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied per second. This number is calculated by multiplying the total texture units of the card by the core speed of the chip. The higher this number, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly record to its local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - aka 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 memory bandwidth is, the lower the ability to get to the max fill rate.

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