This blog talks about a low-cost, compact single board computer - the Raspberry Pi Zero 2W, its design and specifications along with advantages and disadvantages.
Raspberry Pi Zero 2 W: 5x faster than the original for $5 more
Raspberry Pi Zero 2W RPi Zero 2W (/Bluetooth)
Raspberry Pi Zero 2 W Upgrade Kit Prusa I3 MK3 MK3S MK3S
Raspberry Pi Zero 2 W Alternative from Geniatech Has up to 8GB RAM
Orange Pi Zero 2W - A Raspberry Pi Zero 2W alternative with up to 4GB RAM - CNX Software
802.11 b/g/n wireless LAN (2.4 GHz only) Bluetooth 4.2 / Bluetooth Low Energy (BLE) Small form factor, suitable for various DIY projects Expansion –
Raspberry Pi Zero 2 W (with Quad-core CPU,Bluetooth 4.2,BLE,onboard Antenna,etc.)
Raspberry Pi Zero 2 W and Zero W features comparison - CNX Software
Raspberry Pi Zero 2 W
Raspberry Pi Zero 2 W
Raspberry pi Zero 2W, Nyereka Tech
Top 10 Raspberry Pi Zero 2 Add-ons & Accessories
As for heat dissipation concern, Zero 2 W uses thick internal copper layers to conduct heat away from the processor, sustaining higher performance
Raspberry Pi Zero 2 W Five Times Faster Quad-core ARM Processor WiFi Bluetooth
The $15 Raspberry Pi Zero 2 W is ready to power your tiniest projects
Raspberry Pi Zero 2 W Cluster Stacks Four Boards