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GeForce GTX 1660 Ti vs Radeon HD 7950 3GB

Intro

The GeForce GTX 1660 Ti uses a 12 nm design. nVidia has clocked the core frequency at 1500 MHz. The GDDR6 memory runs at a speed of 12000 MHz on this particular card. It features 1536 SPUs along with 96 Texture Address Units and 48 ROPs.

Compare those specs to the Radeon HD 7950 3GB, which has clock speeds of 800 MHz on the GPU, and 1250 MHz on the 3072 MB of GDDR5 memory. It features 1792 SPUs along with 112 Texture Address Units and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1660 Ti 120 Watts
Radeon HD 7950 3GB 200 Watts
Difference: 80 Watts (67%)

Memory Bandwidth

Theoretically, the GeForce GTX 1660 Ti should perform a lot faster than the Radeon HD 7950 3GB overall. (explain)

GeForce GTX 1660 Ti 294912 MB/sec
Radeon HD 7950 3GB 240000 MB/sec
Difference: 54912 (23%)

Texel Rate

The GeForce GTX 1660 Ti is quite a bit (about 61%) better at texture filtering than the Radeon HD 7950 3GB. (explain)

GeForce GTX 1660 Ti 144000 Mtexels/sec
Radeon HD 7950 3GB 89600 Mtexels/sec
Difference: 54400 (61%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the GeForce GTX 1660 Ti is the winner, by far. (explain)

GeForce GTX 1660 Ti 72000 Mpixels/sec
Radeon HD 7950 3GB 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 3GB

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 3GB
Manufacturer nVidia AMD
Year February 2019 January 2012
Code Name TU116-400-A1 Tahiti Pro
Memory 6144 MB 3072 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: Bandwidth is the maximum amount of information (in units of megabytes per second) that can be transferred past the external memory interface in a second. It's worked out by multiplying the bus width by the speed of its memory. In the case of DDR type memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly record to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount 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 output rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 1660 Ti

Amazon.com

Check prices at:

Radeon HD 7950 3GB

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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