No universal "better"—they target different audiences:
| Factor | Xbox 360 | Nintendo Wii |
|---|---|---|
| Launch | Nov 2005 | Nov 2006 |
| CPU/GPU | PowerPC Tri-core (3.2 GHz) + Xenos (ATI) — 240 GFLOPS | PowerPC "Broadway" (729 MHz) + "Hollywood" (ATI) — ~12 GFLOPS |
| Resolution | 720p/1080i/1080p | 480p max (component) |
| Media | DVD-DL (8.5 GB) | Wii Optical Disc (4.7 GB) + GC disc |
| Online | Xbox Live Gold (paid) — Party chat, unified friends, marketplace, dedicated servers | Nintendo Wi-Fi Connection (free, shut 2014) — Friend codes, no voice chat, limited matchmaking |
| Controller | Wireless gamepad (standard) | Wii Remote + Nunchuk (motion/IR) + Classic/GC |
| Library Focus | AAA Shooters, RPGs, Sports, Racing, Western (M-rated) | First-party Nintendo (E/E10+), Family, Fitness, Rail shooters, Light-gun |
| Backward Compat | ~600 Original Xbox games (emulation) | Full GameCube (hardware) |
| Sales | 84M | 101M |
Both defined the 7th generation. Many owned both.