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GeForce GTX 660 Ti vs Radeon RX 470

Intro

The GeForce GTX 660 Ti uses a 28 nm design. nVidia has clocked the core speed at 915 MHz. The GDDR5 RAM is set to run at a frequency of 1500 MHz on this model. It features 1344 SPUs as well as 112 Texture Address Units and 24 Rasterization Operator Units.

Compare those specs to the Radeon RX 470, which has a core clock speed of 926 MHz and a GDDR5 memory frequency of 1650 MHz. It also uses a 256-bit memory bus, and uses a 14 nm design. It is comprised of 2048 SPUs, 128 Texture Address Units, and 32 Raster Operation Units.

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

Radeon RX 470 11756 points
GeForce GTX 660 Ti 6013 points
Difference: 5743 (96%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 470 120 Watts
GeForce GTX 660 Ti 150 Watts
Difference: 30 Watts (25%)

Memory Bandwidth

In theory, the Radeon RX 470 will be 47% quicker than the GeForce GTX 660 Ti in general, due to its higher bandwidth. (explain)

Radeon RX 470 211200 MB/sec
GeForce GTX 660 Ti 144000 MB/sec
Difference: 67200 (47%)

Texel Rate

The Radeon RX 470 should be a little bit (approximately 16%) more effective at AF than the GeForce GTX 660 Ti. (explain)

Radeon RX 470 118528 Mtexels/sec
GeForce GTX 660 Ti 102480 Mtexels/sec
Difference: 16048 (16%)

Pixel Rate

If running with high levels of AA is important to you, then the Radeon RX 470 is a better choice, and very much so. (explain)

Radeon RX 470 29632 Mpixels/sec
GeForce GTX 660 Ti 21960 Mpixels/sec
Difference: 7672 (35%)

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 RX 470

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 RX 470
Manufacturer nVidia AMD
Year August 2012 August 2016
Code Name GK104 Polaris 10
Memory 2048 MB 8192 MB
Core Speed 915 MHz 926 MHz
Memory Speed 6000 MHz 6600 MHz
Power (Max TDP) 150 watts 120 watts
Bandwidth 144000 MB/sec 211200 MB/sec
Texel Rate 102480 Mtexels/sec 118528 Mtexels/sec
Pixel Rate 21960 Mpixels/sec 29632 Mpixels/sec
Unified Shaders 1344 2048
Texture Mapping Units 112 128
Render Output Units 24 32
Bus Type GDDR5 GDDR5
Bus Width 192-bit 256-bit
Fab Process 28 nm 14 nm
Transistors 3540 million 5700 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.0 DirectX 12.0
OpenGL Version OpenGL 4.3 OpenGL 4.5

Memory Bandwidth: Bandwidth is the max amount of data (measured in MB per second) that can be transported past the external memory interface within a second. It is worked out by multiplying the card's bus width by its memory clock speed. If it uses DDR memory, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster 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 can be applied per second. This is calculated by multiplying the total number of texture units of the card by the core speed of the chip. The better this number, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card could possibly record to the local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of 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 fill rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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GeForce GTX 660 Ti

Amazon.com

Check prices at:

Radeon RX 470

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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