General:

• Updated APU to 6 nm for better efficiency
• Updated memory to 6400 MT/s, improving latency and power management
• Increased thermal module thickness and performance

Display:

• Increased active area to 7.4" (from 7.0")
• Updated refresh rate to 90Hz (from 60Hz)
• Updated peak brightness to 1000 nits
• Updated touchscreen polling rate to 180Hz, improved latency and accuracy

WiFi/Bluetooth:

• Updated WiFi / Bluetooth module
• Added support for WiFi 6E
• Added support for Bluetooth 5.3, supporting newer codecs such as aptX HD and aptX low-latency
• Added third antenna near the top of the device for better Bluetooth performance, including when docked
• Added support for wake from Bluetooth controllers

Audio:

• Improved bass response for an overall flatter sound profile
• Added support for using onboard microphone array simultaneously with the 3.5mm headphones connector

Controls:

• Adjusted analog stick top material and shape for increased grip and dust build-up resistance
• Adjusted analog stick post material to improve interaction feel with front cover and reduce wear
• Improved reliability of analog stick touch detection
• Improved responsiveness and tactility of shoulder buttons switch mechanism
• Adjusted D-pad snap ratio and diagonal interactions
• Redesigned trackpad for improved fidelity and edge detection
• Greatly improved trackpad haptics feel and precision

Power:

• Improved battery capacity from 40Wh to 50Wh
• Improved battery chemistry for faster charging, from 20% to 80% in as little as 45 minutes
• Changed charging LED to WRGB
• Added support for waking up from initial unboxing by long-pressing power button instead of requiring AC power
• Adjusted power supply cable length from 1.5m to 2.5m
• Added logo to power supply

Frame:

• Reduced total system weight to ~640g, or ~5% less than Steam Deck
• Rear cover screws now thread into metal
• Adjusted rear cover screw heads to Torx™, as well as other materials and geometry tweaks on the heads to reduce stripping risk
• Lowered number of screw types throughout system
• Reduced step count required for common repairs
• Improved bumper switch mechanism drop reliability
• Moved bumper switch to joystick board for easier repair
• Improved display repair/replacement to not require taking rear cover off

Software:

• Greatly improved memory power management firmware
• Added preliminary support for open-source BIOS and EC firmware
• Improved resume time by roughly 30%