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GeForce GTX 570 vs Geforce GTX 670

Intro

The GeForce GTX 570 comes with a GPU core speed of 732 MHz, and the 1280 MB of GDDR5 memory is set to run at 950 MHz through a 320-bit bus. It also is made up of 480 SPUs, 60 TAUs, and 40 ROPs.

Compare those specifications to the Geforce GTX 670, which comes with a GPU core clock speed of 915 MHz, and 2048 MB of GDDR5 memory running at 1500 MHz through a 256-bit bus. It also is comprised of 1344 Stream Processors, 112 TAUs, and 32 ROPs.

Display Graphs

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(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

Theoretically speaking, the Geforce GTX 670 should perform 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 a lot (about 133%) more effective 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 theoretically they should be equally good at at AA, and be capable of handling the same 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

Display Specifications

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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: Memory bandwidth is the largest amount of information (in units of megabytes per second) that can be transferred across the external memory interface in a second. The number is worked out by multiplying the card's interface width by the speed of its memory. If the card has DDR type RAM, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly write to its local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

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