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GeForce GTX 1660 Ti vs Radeon HD 7950

Intro

The GeForce GTX 1660 Ti comes with a GPU clock speed of 1500 MHz, and the 6144 MB of GDDR6 memory is set to run at 12000 MHz through a 192-bit bus. It also is made up of 1536 Stream Processors, 96 Texture Address Units, and 48 ROPs.

Compare that to the Radeon HD 7950, which has a core clock frequency of 800 MHz and a GDDR5 memory speed of 1250 MHz. It also makes use of a 384-bit memory bus, and uses a 28 nm design. It is made up of 1792 SPUs, 112 Texture Address Units, 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 7950 200 Watts
Difference: 80 Watts (67%)

Memory Bandwidth

Performance-wise, the GeForce GTX 1660 Ti should theoretically be much better than the Radeon HD 7950 overall. (explain)

GeForce GTX 1660 Ti 294912 MB/sec
Radeon HD 7950 240000 MB/sec
Difference: 54912 (23%)

Texel Rate

The GeForce GTX 1660 Ti is a lot (more or less 61%) faster with regards to texture filtering than the Radeon HD 7950. (explain)

GeForce GTX 1660 Ti 144000 Mtexels/sec
Radeon HD 7950 89600 Mtexels/sec
Difference: 54400 (61%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce GTX 1660 Ti is a better choice, by a large margin. (explain)

GeForce GTX 1660 Ti 72000 Mpixels/sec
Radeon HD 7950 25600 Mpixels/sec
Difference: 46400 (181%)

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 7950

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 7950
Manufacturer nVidia AMD
Year February 2019 January 2012
Code Name TU116-400-A1 Tahiti Pro
Memory 6144 MB 1536 MB
Core Speed 1500 MHz 800 MHz
Memory Speed 12000 GB/s 5000 MHz
Power (Max TDP) 120 watts 200 watts
Bandwidth 294912 MB/sec 240000 MB/sec
Texel Rate 144000 Mtexels/sec 89600 Mtexels/sec
Pixel Rate 72000 Mpixels/sec 25600 Mpixels/sec
Unified Shaders 1536 1792
Texture Mapping Units 96 112
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 information (in units of megabytes per second) that can be moved over the external memory interface in a second. The number is calculated by multiplying the card's bus width by its memory speed. In the case of DDR type RAM, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, 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 applied per second. This number is calculated by multiplying the total amount of texture units by the core clock speed of the chip. The higher the texel rate, 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 number of pixels the graphics card could possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 1660 Ti

Amazon.com

Check prices at:

Radeon HD 7950

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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