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GeForce GTX 1660 Ti vs Radeon RX Vega 64

Intro

The GeForce GTX 1660 Ti makes use of a 12 nm design. nVidia has set the core frequency at 1500 MHz. The GDDR6 RAM is set to run at a speed of 12000 MHz on this particular card. It features 1536 SPUs along with 96 TAUs and 48 ROPs.

Compare all that to the Radeon RX Vega 64, which features a core clock speed of 1247 MHz and a HBM2 memory frequency of 1890 MHz. It also makes use of a 2048-bit bus, and makes use of a 14 nm design. It is made up of 4096 SPUs, 256 TAUs, and 64 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1660 Ti 120 Watts
Radeon RX Vega 64 295 Watts
Difference: 175 Watts (146%)

Memory Bandwidth

Performance-wise, the Radeon RX Vega 64 should in theory be quite a bit superior to the GeForce GTX 1660 Ti overall. (explain)

Radeon RX Vega 64 495411 MB/sec
GeForce GTX 1660 Ti 294912 MB/sec
Difference: 200499 (68%)

Texel Rate

The Radeon RX Vega 64 is quite a bit (about 122%) better at anisotropic filtering than the GeForce GTX 1660 Ti. (explain)

Radeon RX Vega 64 319232 Mtexels/sec
GeForce GTX 1660 Ti 144000 Mtexels/sec
Difference: 175232 (122%)

Pixel Rate

The Radeon RX Vega 64 will be just a bit (about 11%) more effective at full screen anti-aliasing than the GeForce GTX 1660 Ti, and also able to handle higher screen resolutions without slowing down too much. (explain)

Radeon RX Vega 64 79808 Mpixels/sec
GeForce GTX 1660 Ti 72000 Mpixels/sec
Difference: 7808 (11%)

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 RX Vega 64

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 RX Vega 64
Manufacturer nVidia AMD
Year February 2019 August 2017
Code Name TU116-400-A1 Vega 10 XT
Memory 6144 MB 8192 MB
Core Speed 1500 MHz 1247 MHz
Memory Speed 12000 GB/s 1890 MHz
Power (Max TDP) 120 watts 295 watts
Bandwidth 294912 MB/sec 495411 MB/sec
Texel Rate 144000 Mtexels/sec 319232 Mtexels/sec
Pixel Rate 72000 Mpixels/sec 79808 Mpixels/sec
Unified Shaders 1536 4096
Texture Mapping Units 96 256
Render Output Units 48 64
Bus Type GDDR6 HBM2
Bus Width 192-bit 2048-bit
Fab Process 12 nm 14 nm
Transistors 6600 million 12500 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12.0 DirectX 12.0
OpenGL Version OpenGL 4.6 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the max amount of data (measured in MB per second) that can be transferred past the external memory interface in a second. The number is worked out by multiplying the card's bus width by the speed of its memory. If it uses DDR type memory, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip can possibly write to its local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the number of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on many 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 RX Vega 64

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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