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GeForce GTX 1660 Ti vs Radeon HD 7970

Intro

The GeForce GTX 1660 Ti has a clock frequency of 1500 MHz and a GDDR6 memory speed of 12000 MHz. It also makes use of a 192-bit memory bus, and uses a 12 nm design. It features 1536 SPUs, 96 Texture Address Units, and 48 Raster Operation Units.

Compare those specifications to the Radeon HD 7970, which has GPU clock speed of 925 MHz, and 3072 MB of GDDR5 RAM running at 1375 MHz through a 384-bit bus. It also is made up of 2048 Stream Processors, 128 TAUs, and 32 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1660 Ti 120 Watts
Radeon HD 7970 250 Watts
Difference: 130 Watts (108%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 1660 Ti should be a small bit faster than the Radeon HD 7970 overall. (explain)

GeForce GTX 1660 Ti 294912 MB/sec
Radeon HD 7970 264000 MB/sec
Difference: 30912 (12%)

Texel Rate

The GeForce GTX 1660 Ti is a lot (more or less 22%) better at texture filtering than the Radeon HD 7970. (explain)

GeForce GTX 1660 Ti 144000 Mtexels/sec
Radeon HD 7970 118400 Mtexels/sec
Difference: 25600 (22%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the GeForce GTX 1660 Ti is the winner, and very much so. (explain)

GeForce GTX 1660 Ti 72000 Mpixels/sec
Radeon HD 7970 29600 Mpixels/sec
Difference: 42400 (143%)

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 1660 Ti

Amazon.com

Check prices at:

Radeon HD 7970

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 1660 Ti Radeon HD 7970
Manufacturer nVidia AMD
Year February 2019 January 2012
Code Name TU116-400-A1 Tahiti XT
Memory 6144 MB 3072 MB
Core Speed 1500 MHz 925 MHz
Memory Speed 12000 GB/s 5500 MHz
Power (Max TDP) 120 watts 250 watts
Bandwidth 294912 MB/sec 264000 MB/sec
Texel Rate 144000 Mtexels/sec 118400 Mtexels/sec
Pixel Rate 72000 Mpixels/sec 29600 Mpixels/sec
Unified Shaders 1536 2048
Texture Mapping Units 96 128
Render Output Units 48 32
Bus Type GDDR6 GDDR5
Bus Width 192-bit 384-bit
Fab Process 12 nm 28 nm
Transistors 6600 million 4313 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12.0 DirectX 11.1
OpenGL Version OpenGL 4.6 OpenGL 4.2

Memory Bandwidth: Memory bandwidth is the max amount of data (in units of MB per second) that can be transported over the external memory interface in a second. It's worked out by multiplying the interface width by its memory speed. In the case of DDR type memory, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed per second. This is calculated by multiplying the total number of texture units 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 applied in a second.

Pixel Rate: Pixel rate is the most pixels the video card can possibly record to its local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 1660 Ti

Amazon.com

Check prices at:

Radeon HD 7970

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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