Samsung's Galaxy Watch Active is an Tizen-OS based smart watch and fitness tracker that targets fashion-forward consumers. The Galaxy Watch Active sports a 1.1" 360x360 AMOLED display, a 1.15Ghz dual-core CPU, 768MB of RAM and 4GB of internal storage.
The Galaxy Watch Active has an accelerometer, gyroscope, barometer, heart rate monitor and an ambient light sensor.
The fourth-edition of Apple's smartwatch features a 1.57" 394x324 LTPO AMOLED display (1.78" 448x368 on the larger 44mm version). The watch is based on a dual-core 64-bit CPU and an array of sensors including a new ECG monitor.
Fossil's 5-Gen Wear-OS smartwatch lineup (called Carlyle HR and Julianna HR) sport a round 1.28" 328PPI AMOLED display, a Qualcomm Snapdragon 3100 chipset, 1GB of RAM, 8GB of storage, NFC, heart rate sensor and a swim-proof speaker.
The Oculus Quest is a stand-alone VR headset that features dual 1440x1600 72Hz AMOLED displays, an on-board Qualcomm snapdragon 835 chipset, 64/128 GB of memory and 6 degrees of freedom head and controller tracking.
ZTE's Nubia Alpha is a smart bracelet that sports a tall flexible OLED display - a 4" panel with a resolution of 192 x 960. The wearable device can be unfolded to be used as a smartphone.
The Nubia Alpha is based around a Qualcomm Snapdragon Wear 2100 chipset, and features 1GB of RAM and 4 GB of storage. The Alpha has a single 5MP camera and has supports LTE connectivity (there's also a Bluetooth-only variant) and has a built-in GPS and a heart rate sensor.
Finland-based Varjo's VR-1 is a high-end VR headset that uses the company's Foveated Display technology - that optically combines a microdisplay over a larger display - to achieve high angular resolution in a small area in the center of the display.
The VR-1 uses two OLED displays - a Sony 0.7" ECX335AF-7 1920x1080 OLED microdisplay and a 1440x1600 low persistence AMOLED. They call the combined display a "Bionic Display". Other features include eye tracking and support for several 3D engines, including Unreal, Unity and VRED.
Samsung's 2019 Galaxy Fit (Gen-3) are fitness trackers that feature small displays - a 0.95" 120x240 color AMOLED on the Fit and a 0.74" monochrome white 64x128 PMOLED on the Fit e.
Both devices sport a heart rate monitor and an accelerometer, and the Fit have a faster chipset and more memory, and also adds NFC wireless charging (and a bigger battery) and a gyroscope. Both devices are water resistant (5ATM).