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GeForce GTX 660 Ti vs Radeon HD 5750 1GB

Intro

The GeForce GTX 660 Ti has clock 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 TAUs and 24 ROPs.

Compare those specs to the Radeon HD 5750 1GB, which comes with a clock speed of 700 MHz and a GDDR5 memory frequency of 1150 MHz. It also makes use of a 128-bit bus, and uses a 40 nm design. It features 720(144x5) SPUs, 36 Texture Address Units, and 16 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5750 1GB 86 Watts
GeForce GTX 660 Ti 150 Watts
Difference: 64 Watts (74%)

Memory Bandwidth

The GeForce GTX 660 Ti should in theory be quite a bit faster than the Radeon HD 5750 1GB overall. (explain)

GeForce GTX 660 Ti 144000 MB/sec
Radeon HD 5750 1GB 73600 MB/sec
Difference: 70400 (96%)

Texel Rate

The GeForce GTX 660 Ti is much (about 307%) faster with regards to texture filtering than the Radeon HD 5750 1GB. (explain)

GeForce GTX 660 Ti 102480 Mtexels/sec
Radeon HD 5750 1GB 25200 Mtexels/sec
Difference: 77280 (307%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce GTX 660 Ti is the winner, and very much so. (explain)

GeForce GTX 660 Ti 21960 Mpixels/sec
Radeon HD 5750 1GB 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

Check prices at:

Radeon HD 5750 1GB

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.

Specifications

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Model GeForce GTX 660 Ti Radeon HD 5750 1GB
Manufacturer nVidia AMD
Year August 2012 October 13, 2009
Code Name GK104 Juniper LE
Memory 2048 MB 1024 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: Bandwidth is the maximum amount of data (measured in megabytes per second) that can be transported past the external memory interface in a second. The number is worked out by multiplying the card's bus width by its memory speed. If the card has DDR RAM, it must be multiplied by 2 again. If 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 higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly write to the local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 660 Ti

Amazon.com

Check prices at:

Radeon HD 5750 1GB

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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