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GeForce GTX 570 vs GeForce GTX 650 Ti 2GB

Intro

The GeForce GTX 570 has 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 comprised of 480 SPUs, 60 Texture Address Units, and 40 Raster Operation Units.

Compare those specifications to the GeForce GTX 650 Ti 2GB, which features a clock frequency of 928 MHz and a GDDR5 memory frequency of 1350 MHz. It also features a 128-bit bus, and makes use of a 28 nm design. It is comprised of 768 SPUs, 64 TAUs, and 16 Raster Operation Units.

(No game benchmarks for this combination yet.)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 650 Ti 2GB 110 Watts
GeForce GTX 570 219 Watts
Difference: 109 Watts (99%)

Memory Bandwidth

The GeForce GTX 570 should in theory be quite a bit faster than the GeForce GTX 650 Ti 2GB overall. (explain)

GeForce GTX 570 152000 MB/sec
GeForce GTX 650 Ti 2GB 86400 MB/sec
Difference: 65600 (76%)

Texel Rate

The GeForce GTX 650 Ti 2GB will be quite a bit (approximately 35%) better at anisotropic filtering than the GeForce GTX 570. (explain)

GeForce GTX 650 Ti 2GB 59392 Mtexels/sec
GeForce GTX 570 43920 Mtexels/sec
Difference: 15472 (35%)

Pixel Rate

The GeForce GTX 570 will be much (about 97%) more effective at AA than the GeForce GTX 650 Ti 2GB, and also will be able to handle higher resolutions better. (explain)

GeForce GTX 570 29280 Mpixels/sec
GeForce GTX 650 Ti 2GB 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 2GB

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 2GB
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 2048 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 max amount of information (in units of megabytes per second) that can be moved over the external memory interface within a second. It is calculated by multiplying the interface width by the speed of its memory. In the case of DDR memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card could possibly write to the local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the max fill rate.

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