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GeForce GTX 1660 Ti vs Radeon HD 7950 3GB

Intro

The GeForce GTX 1660 Ti has a GPU clock speed of 1500 MHz, and the 6144 MB of GDDR6 memory runs at 12000 MHz through a 192-bit bus. It also features 1536 Stream Processors, 96 Texture Address Units, and 48 ROPs.

Compare those specifications to the Radeon HD 7950 3GB, which uses a 28 nm design. AMD has clocked the core speed at 800 MHz. The GDDR5 RAM is set to run at a frequency of 1250 MHz on this model. It features 1792 SPUs as well as 112 TAUs and 32 Rasterization Operator 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 3GB 200 Watts
Difference: 80 Watts (67%)

Memory Bandwidth

The GeForce GTX 1660 Ti, in theory, should perform a lot faster than the Radeon HD 7950 3GB in general. (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 (more or less 61%) more effective at AF 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

The GeForce GTX 1660 Ti is quite a bit (about 181%) better at anti-aliasing than the Radeon HD 7950 3GB, and capable of handling higher screen resolutions more effectively. (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: Memory bandwidth is the max amount of information (counted in megabytes per second) that can be transferred across the external memory interface within a second. The number is calculated by multiplying the card's interface width by the speed of its memory. If the card has DDR type RAM, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, 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 number of texture map elements (texels) that are applied per second. This is calculated by multiplying the total texture units of the card by the core speed of the chip. The higher this number, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of colour ROPs by the the core 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 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 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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