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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 set the core frequency at 1500 MHz. The GDDR6 RAM works at a frequency of 12000 MHz on this particular model. It features 1536 SPUs as well as 96 TAUs and 48 Rasterization Operator Units.

Compare all that to the Radeon HD 7950 3GB, which uses a 28 nm design. AMD has clocked the core frequency at 800 MHz. The GDDR5 RAM works at a speed of 1250 MHz on this card. It features 1792 SPUs as well as 112 TAUs and 32 ROPs.

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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 speaking, the GeForce GTX 1660 Ti should be 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 should be a lot (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 a high screen resolution is important to you, then the GeForce GTX 1660 Ti is superior to the Radeon HD 7950 3GB, by a large margin. (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 largest amount of data (counted in megabytes per second) that can be moved past the external memory interface in one second. It's calculated by multiplying the card's bus width by its memory speed. If the card has DDR type RAM, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, 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 texture map elements (texels) that are applied per second. This is worked out by multiplying the total texture units of the card by the core speed of the chip. The higher this number, the better the video 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 that the graphics card can possibly write to the local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max 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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