
Bandai WonderSwan
Technical Specifications
CPU
NEC V30MZ (16-bit, x86 compatible) @ 3.072 MHz, extremely low power consumption designed for battery efficiency
GPU
Custom LCD controller with hardware sprite engine, supports horizontal and vertical display orientations; WonderSwan: monochrome (8 shades); WonderSwan Color: 241 simultaneous colors from 4,096 palette; SwanCrystal: same as WSC with improved TFT panel
Memory
WonderSwan: 16 KB work RAM, 16 KB display RAM; WonderSwan Color/SwanCrystal: 64 KB work RAM, 64 KB display RAM
Storage
Cartridge ROM (up to 128 Mbit / 16 MB), with optional SRAM or EEPROM for game saves
Display
224x144 pixel resolution in both orientations; WonderSwan: reflective monochrome LCD (8 shades of gray); WonderSwan Color: reflective STN color LCD (241 colors from 4,096 palette, 12-bit RGB); SwanCrystal: TFT color LCD (same color specs, dramatically improved visibility and response time)
Audio
4 channels: 1 PCM channel + 3 wavetable channels (or 4 wavetable channels), mono speaker, stereo headphone output, hardware sound DMA
Media
WonderSwan Cartridge (48-pin proprietary); WonderSwan Color and SwanCrystal are backward compatible with original WonderSwan cartridges; WS Color exclusive cartridges exist
History
Hardware Variants
WonderSwan (SW-001)
Released: March 4, 1999
The original model with monochrome reflective LCD (8 shades). Extremely thin and lightweight. Single AA battery provides 40 hours of play. Available in multiple shell colors including skeleton (transparent) variants.
WonderSwan Color (SC-001)
Released: December 9, 2000
Color upgrade with reflective STN LCD displaying 241 colors from 4,096 palette. Single AA battery provides ~20 hours of play. Backward compatible with original WonderSwan games. Heavier and slightly thicker than the original.
SwanCrystal (SCR-001)
Released: July 12, 2002
The final and most premium WonderSwan variant. Upgraded to a superior TFT LCD panel with dramatically improved visibility, contrast, and response time. Same specs as WonderSwan Color but with the best screen of any WS model. Available in crystal blue, crystal black, and other transparent shell colors.
Development Story

Naruto: Konoha Ninpouchou
• 2001

From TV Animation One Piece - Grand Battle Swan Colosseum
• 2002

Ultraman: Messenger of the Land of Light
• 2000

Digimon: Battle Spirit
• 2001

Saint Seiya: Ougon Densetsu Hen - Perfect Edition
• 2003

Final Fantasy
• 2000

Rockman & Forte: Challenger from the Future
• 1999

Final Fantasy IV
• 2002

Rockman EXE WS
• 2003

Final Fantasy II
• 2001

Klonoa of the Wind: Moonlight Museum
• 2001

Dicing Knight
• 1999
About the Bandai WonderSwan
The Bandai WonderSwan (WS) is a handheld gaming device manufactured by Bandai. Released on March 4, 1999, it belongs to the 4th generation of gaming hardware.
With a library of 17+ games, the WS remains one of the most popular platforms for retro gaming enthusiasts. Our wiki provides detailed information about the hardware specifications, variants, and game library to help you understand and appreciate this classic gaming system.
Whether you're researching emulation compatibility, collecting vintage hardware, or simply exploring gaming history, the WS encyclopedia entry offers comprehensive information about this iconic gaming platform.