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GeForce GTX 570 vs GeForce GTX 660 Ti

Intro

The GeForce GTX 570 has clock speeds of 732 MHz on the GPU, and 950 MHz on the 1280 MB of GDDR5 memory. It features 480 SPUs as well as 60 TAUs and 40 ROPs.

Compare those specifications to the GeForce GTX 660 Ti, which has core speeds of 915 MHz on the GPU, and 1500 MHz on the 2048 MB of GDDR5 RAM. It features 1344 SPUs as well as 112 Texture Address Units and 24 ROPs.

(No game benchmarks for this combination yet.)

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

Performance-wise, the GeForce GTX 570 should in theory be just a 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 should be much (more or less 133%) better at texture filtering 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 will be a lot (more or less 33%) faster with regards to AA than the GeForce GTX 660 Ti, and capable of handling higher resolutions better. (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

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

Model GeForce GTX 570 GeForce GTX 660 Ti
Manufacturer nVidia nVidia
Year December 2010 August 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 24
Bus Type GDDR5 GDDR5
Bus Width 320-bit 192-bit
DirectX Version DirectX 11 DirectX 11.0
OpenGL Version OpenGL 4.1 OpenGL 4.3
Power (Max TDP) 219 watts 150 watts
Shader Model 5.0 5.0
Bandwidth 152000 MB/sec 144000 MB/sec
Texel Rate 43920 Mtexels/sec 102480 Mtexels/sec
Pixel Rate 29280 Mpixels/sec 21960 Mpixels/sec

Memory Bandwidth: Memory bandwidth is the max amount of data (in units of megabytes per second) that can be moved over the external memory interface in one second. It's calculated by multiplying the interface width by the speed of its memory. In the case of DDR memory, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card could possibly write to its local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the amount of colour ROPs by the clock speed of the card. 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 rate also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Comments

2 Responses to “GeForce GTX 570 vs GeForce GTX 660 Ti”
[...] 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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