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GeForce GTX 570 vs GeForce GTX 650 Ti

Intro

The GeForce GTX 570 has a core clock frequency of 732 MHz and a GDDR5 memory speed of 950 MHz. It also features a 320-bit bus, and makes use of a 40 nm design. It features 480 SPUs, 60 Texture Address Units, and 40 ROPs.

Compare those specifications to the GeForce GTX 650 Ti, which makes use of a 28 nm design. nVidia has set the core speed at 928 MHz. The GDDR5 RAM works at a frequency of 1350 MHz on this particular card. It features 768 SPUs along with 64 Texture Address Units and 16 ROPs.

(No game benchmarks for this combination yet.)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 650 Ti 110 Watts
GeForce GTX 570 219 Watts
Difference: 109 Watts (99%)

Memory Bandwidth

Performance-wise, the GeForce GTX 570 should theoretically be a lot better than the GeForce GTX 650 Ti in general. (explain)

GeForce GTX 570 152000 MB/sec
GeForce GTX 650 Ti 86400 MB/sec
Difference: 65600 (76%)

Texel Rate

The GeForce GTX 650 Ti should be quite a bit (more or less 35%) better at anisotropic filtering than the GeForce GTX 570. (explain)

GeForce GTX 650 Ti 59392 Mtexels/sec
GeForce GTX 570 43920 Mtexels/sec
Difference: 15472 (35%)

Pixel Rate

The GeForce GTX 570 will be quite a bit (approximately 97%) faster with regards to full screen anti-aliasing than the GeForce GTX 650 Ti, and capable of handling higher screen resolutions better. (explain)

GeForce GTX 570 29280 Mpixels/sec
GeForce GTX 650 Ti 14848 Mpixels/sec
Difference: 14432 (97%)

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 650 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 650 Ti
Manufacturer nVidia nVidia
Year December 2010 October 2012
Code Name GF110 GK106
Fab Process 40 nm 28 nm
Bus PCIe x16 PCIe 3.0 x16
Memory 1280 MB 1024 MB
Core Speed 732 MHz 928 MHz
Shader Speed 1464 MHz 928 MHz
Memory Speed 950 MHz (3800 MHz effective) 1350 MHz (5400 MHz effective)
Unified Shaders 480 768
Texture Mapping Units 60 64
Render Output Units 40 16
Bus Type GDDR5 GDDR5
Bus Width 320-bit 128-bit
DirectX Version DirectX 11 DirectX 11.0
OpenGL Version OpenGL 4.1 OpenGL 4.3
Power (Max TDP) 219 watts 110 watts
Shader Model 5.0 5.0
Bandwidth 152000 MB/sec 86400 MB/sec
Texel Rate 43920 Mtexels/sec 59392 Mtexels/sec
Pixel Rate 29280 Mpixels/sec 14848 Mpixels/sec

Memory Bandwidth: Memory bandwidth is the largest amount of data (counted in MB per second) that can be transported past the external memory interface in a second. The number is worked out by multiplying the bus width by the speed of its memory. If it uses DDR type RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels the video card can possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the max fill rate.

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