Neither is objectively "better"—they serve different eras and preferences. Here's a detailed comparison.
| Feature | Game Boy Color (1998) | Game Boy Advance (2001) |
|---|---|---|
| Screen | 2.3" TFT, 160×144, 32k colors, No backlight (except Japan-only Light) | 2.9" TFT, 240×160, 32k colors (512 on-screen), Reflective (AGB) / Frontlit (SP AGS-001) / Backlit (SP AGS-101, Micro) |
| CPU | Sharp LR35902 (8 MHz, 8-bit) | ARM7TDMI (16.7 MHz, 32-bit) + Z80 (GB mode) |
| Library | ~570 games (GB + GBC exclusive). Pokémon Gen 1/2, Zelda Oracle, Mario Land. | ~1500 games (GBA + GB/GBC via hardware). Pokémon Gen 3, Metroid Fusion/Zero Mission, Advance Wars, Fire Emblem, Golden Sun. |
| Form Factor | Vertical, pocketable | Horizontal (AGB) / Clamshell (SP) / Tiny (Micro) |
| Power | 2×AA (10–20h) | 2×AA (AGB, 15h) / Rechargeable Li-ion (SP, Micro, 8–10h) |
| Link | IR (GBC) + Cable | Cable + Wireless Adapter + GCN Link |
| Price (Used, Loose) | $30–$60 | $40–$80 (SP AGS-101 $100+) |