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GeForce GTX 570 vs GeForce GTX 660 Ti

Intro

The GeForce GTX 570 uses a 40 nm design. nVidia has clocked the core frequency at 732 MHz. The GDDR5 RAM is set to run at a speed of 950 MHz on this specific model. It features 480 SPUs along with 60 TAUs and 40 Rasterization Operator Units.

Compare those specs to the GeForce GTX 660 Ti, which uses a 28 nm design. nVidia has set the core speed at 915 MHz. The GDDR5 memory is set to run at a frequency of 1500 MHz on this specific model. It features 1344 SPUs as well as 112 TAUs and 24 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 660 Ti 150 Watts
GeForce GTX 570 219 Watts
Difference: 69 Watts (46%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 570 should in theory be a small bit superior to the GeForce GTX 660 Ti overall. (explain)

GeForce GTX 570 152000 MB/sec
GeForce GTX 660 Ti 144000 MB/sec
Difference: 8000 (6%)

Texel Rate

The GeForce GTX 660 Ti will be a lot (about 133%) faster with regards to AF than the GeForce GTX 570. (explain)

GeForce GTX 660 Ti 102480 Mtexels/sec
GeForce GTX 570 43920 Mtexels/sec
Difference: 58560 (133%)

Pixel Rate

If running with high levels of AA is important to you, then the GeForce GTX 570 is superior to the GeForce GTX 660 Ti, by far. (explain)

GeForce GTX 570 29280 Mpixels/sec
GeForce GTX 660 Ti 21960 Mpixels/sec
Difference: 7320 (33%)

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

GeForce GTX 660 Ti

Specifications

Display Specifications

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Model GeForce GTX 570 GeForce GTX 660 Ti
Manufacturer nVidia nVidia
Year December 2010 August 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 150 watts
Bandwidth 152000 MB/sec 144000 MB/sec
Texel Rate 43920 Mtexels/sec 102480 Mtexels/sec
Pixel Rate 29280 Mpixels/sec 21960 Mpixels/sec
Unified Shaders 480 1344
Texture Mapping Units 60 112
Render Output Units 40 24
Bus Type GDDR5 GDDR5
Bus Width 320-bit 192-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 4.3

Memory Bandwidth: Memory bandwidth is the maximum amount of data (counted in MB per second) that can be transferred across the external memory interface within a second. It is calculated by multiplying the bus width by its memory speed. If it uses DDR memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, the better 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 applied in one second. This number is worked out by multiplying the total texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the video card will be at 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 card could possibly write to its local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the amount of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

GeForce GTX 570

GeForce GTX 660 Ti

Comments

2 Responses to “GeForce GTX 570 vs GeForce GTX 660 Ti”
What's a good upgrade from my gtx 570? - Page 2 - Hardware Canucks says:

[...] GeForce GTX 570 vs GeForce GTX 660 Ti – Performance Comparison Benchmarks @ Hardware Compare better AA support for 570,more memory bandwith,an OC 660ti will get you the same,or a little more power ,why wasting your money in a quite similar stuff? [...]

Dumisani says:

Guys, Im do 3D Rendering with CUDA GPGPU. I heard that GTX6** are bad for computing. I use mostly Blender Cycles or OctaneRender. I do play latest games too.How bad is the GTX660 vs GTX570. Please anyone. I have to buy either of the two

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