GeForce GTX 1660 Ti mobile vs GeForce GTX 680MX

In this comparison between GeForce GTX 1660 Ti mobile and GeForce GTX 680MX you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people GeForce GTX 1660 Ti mobile will be the best choice, for others GeForce GTX 680MX will be their preference. Study the comparison tables below and make your choice.

GeForce GTX 1660 Ti mobile and GeForce GTX 680MX are Laptop Graphics Cards

Note: GeForce GTX 1660 Ti mobile and GeForce GTX 680MX are only used in laptop graphics. They have lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with GeForce GTX 1660 Ti mobile or GeForce GTX 680MX here:

Main Specs

  GeForce GTX 1660 Ti mobile GeForce GTX 680MX
Power consumption (TDP) 122 Watt
Interface PCIe 3.0 x16
Memory type GDDR6 GDDR5
Maximum RAM amount 6 GB 2 GB
Display Connectors No outputs
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  • GeForce GTX 1660 Ti mobile has 4 GB more memory, than GeForce GTX 680MX.
  • Both cards are used in Laptops.
  • GeForce GTX 1660 Ti mobile is build with Turing architecture, and GeForce GTX 680MX - with Kepler.
  • Core clock speed of GeForce GTX 1660 Ti mobile is 735 MHz higher, than GeForce GTX 680MX.
  • GeForce GTX 1660 Ti mobile is manufactured by 12 nm process technology, and GeForce GTX 680MX - by 28 nm process technology.
  • Memory clock speed of GeForce GTX 1660 Ti mobile is 9500 MHz higher, than GeForce GTX 680MX.

Game benchmarks

high / 1080p 50−55 21−24
ultra / 1080p 35−40 12−14
QHD / 1440p 27−30 7−8
4K / 2160p 16−18 5−6
low / 720p 80−85 40−45
medium / 1080p 60−65 27−30
The average gaming FPS of GeForce GTX 1660 Ti mobile in Assassin's Creed Odyssey is 142% more, than GeForce GTX 680MX.

Full Specs

  GeForce GTX 1660 Ti mobile GeForce GTX 680MX
Architecture Turing Kepler
Code name N18E-G0
Type Laptop Laptop
Release date 23 April 2019 23 October 2012
Pipelines 1536 1536
Core clock speed 1455 MHz 720 MHz
Boost Clock 1590 MHz
Transistor count 6,600 million 3540 Million
Manufacturing process technology 12 nm 28 nm
Texture fill rate 152.6 92.2 billion/sec
Memory bus width 192 Bit 256 Bit
Memory clock speed 12000 MHz 2500 MHz
Memory bandwidth 288.0 GB/s 160 GB/s
Shared memory - -
DirectX 12 (12_1) 12 API
Shader Model 6.5
OpenGL 4.6 4.5
OpenCL 1.2 1.1
Vulkan 1.2.131
CUDA 7.5 +
CUDA cores 1536
Bus support PCI Express 3.0
SLI options +
3D Vision +
Bitcoin / BTC (SHA256) 57 Mh/s
Laptop size medium sized large
Optimus +
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