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GeForce GTX 570 vs GeForce GTX 660 Ti

Intro

The GeForce GTX 570 features a GPU core clock 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 Stream Processors, 60 Texture Address Units, and 40 ROPs.

Compare those specs to the GeForce GTX 660 Ti, which features GPU clock speed of 915 MHz, and 2048 MB of GDDR5 RAM running at 1500 MHz through a 192-bit bus. It also is made up of 1344 Stream Processors, 112 TAUs, and 24 Raster Operation Units.

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

Theoretically speaking, the GeForce GTX 570 is 6% faster than the GeForce GTX 660 Ti in general, due to its greater bandwidth. (explain)

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

Texel Rate

The GeForce GTX 660 Ti is quite a bit (approximately 133%) more effective at 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

The GeForce GTX 570 is quite a bit (more or less 33%) faster with regards to FSAA than the GeForce GTX 660 Ti, and also should be capable of handling higher screen resolutions without slowing down too much. (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

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GeForce GTX 570

Amazon.com

GeForce GTX 660 Ti

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 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: Bandwidth is the max amount of data (measured in megabytes per second) that can be moved across the external memory interface in one second. The number is worked out by multiplying the bus width by the speed of its memory. In the case of DDR type memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the card's 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 figure is calculated by multiplying the total amount of texture units by the core clock 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 per second.

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly record to its local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the number of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the max fill rate.

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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