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GeForce GTX 660 Ti vs Radeon HD 5750 512MB

Intro

The GeForce GTX 660 Ti has a GPU clock speed of 915 MHz, and the 2048 MB of GDDR5 RAM runs at 1500 MHz through a 192-bit bus. It also features 1344 Stream Processors, 112 Texture Address Units, and 24 ROPs.

Compare those specifications to the Radeon HD 5750 512MB, which has a core clock speed of 700 MHz and a GDDR5 memory frequency of 1150 MHz. It also uses a 128-bit memory bus, and makes use of a 40 nm design. It is comprised of 720(144x5) SPUs, 36 Texture Address Units, and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5750 512MB 86 Watts
GeForce GTX 660 Ti 150 Watts
Difference: 64 Watts (74%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 660 Ti should theoretically be quite a bit superior to the Radeon HD 5750 512MB overall. (explain)

GeForce GTX 660 Ti 144000 MB/sec
Radeon HD 5750 512MB 73600 MB/sec
Difference: 70400 (96%)

Texel Rate

The GeForce GTX 660 Ti is a lot (more or less 307%) better at anisotropic filtering than the Radeon HD 5750 512MB. (explain)

GeForce GTX 660 Ti 102480 Mtexels/sec
Radeon HD 5750 512MB 25200 Mtexels/sec
Difference: 77280 (307%)

Pixel Rate

The GeForce GTX 660 Ti will be a lot (about 96%) better at AA than the Radeon HD 5750 512MB, and should be able to handle higher resolutions without losing too much performance. (explain)

GeForce GTX 660 Ti 21960 Mpixels/sec
Radeon HD 5750 512MB 11200 Mpixels/sec
Difference: 10760 (96%)

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 660 Ti

Amazon.com

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Radeon HD 5750 512MB

Amazon.com

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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 660 Ti Radeon HD 5750 512MB
Manufacturer nVidia AMD
Year August 2012 October 13, 2009
Code Name GK104 Juniper LE
Memory 2048 MB 512 MB
Core Speed 915 MHz 700 MHz
Memory Speed 6000 MHz 4600 MHz
Power (Max TDP) 150 watts 86 watts
Bandwidth 144000 MB/sec 73600 MB/sec
Texel Rate 102480 Mtexels/sec 25200 Mtexels/sec
Pixel Rate 21960 Mpixels/sec 11200 Mpixels/sec
Unified Shaders 1344 720(144x5)
Texture Mapping Units 112 36
Render Output Units 24 16
Bus Type GDDR5 GDDR5
Bus Width 192-bit 128-bit
Fab Process 28 nm 40 nm
Transistors 3540 million 1040 million
Bus PCIe 3.0 x16 PCIe 2.1 x16
DirectX Version DirectX 11.0 DirectX 11
OpenGL Version OpenGL 4.3 OpenGL 3.2

Memory Bandwidth: Memory bandwidth is the max amount of information (in units of MB per second) that can be moved past the external memory interface in a second. It's worked out by multiplying the card's bus width by its memory clock speed. In the case of DDR type memory, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, 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 texture map elements (texels) that are processed in one second. This figure is worked out by multiplying the total amount of texture units by the core clock speed of the chip. The better the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly record to its local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 660 Ti

Amazon.com

Check prices at:

Radeon HD 5750 512MB

Amazon.com

Check prices at:

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.

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