Data Matrix vs Aztec Code
Two 2D matrix symbologies with different design philosophies: Data Matrix uses an L-shaped finder, Aztec uses a central bull's-eye. Aztec requires no quiet zone.
Specification comparison
| Specification | Data Matrix | Aztec Code |
|---|---|---|
| Classification | 2D Matrix | 2D Matrix |
| Symbology family | 2D Matrix Family | 2D Matrix Family |
| Year introduced | 1987 | 1995 |
| Developer | RVSI Acuity CiMatrix | Andrew Longacre (Welch Allyn) |
| Data length | variable | variable |
| Variable length | Yes | Yes |
| Character set | ASCII completo + datos binarios | Full ASCII + binary data |
| Maximum capacity | 2,335 alphanumeric or 3,116 numeric characters | 3,832 alphanumeric or 3,067 numeric characters |
| GS1 data carrier | No | No |
| Unicode encoding | No | No |
| Binary data | Yes | Yes |
| Minimum X-dimension | 0.254 mm | 0.254 mm |
| Quiet zone | 1 module | 0 (no quiet zone required) |
| Aspect ratio | 1:1 (square) or rectangular | 1:1 (square) |
| Example payload | DataMatrix2026 | AztecCode2026 |
Highlighted rows mark specifications where the two symbologies differ.