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- S640 vs Star G640
UGEE S640 vs XP-Pen Star G640
What S640 does better (0) and where Star G640 wins (0) — every spec side by side.
Why is S640 better than Star G640?
S640 has no measurable advantages in this pair.
Why is Star G640 better than S640?
Star G640 has no measurable advantages in this pair.
Specifications
Side by side
| Pen & controls | ||
| Pressure levels | 8,192 | 8,192 |
| Tilt recognition | ±60° | — |
| Active area | — | 152.4 × 101.6 mm |
| Active area width | — | 152 mm |
| Active area height | — | 102 mm |
| Active area (surface) | — | 155 cm² |
| Pen resolution | — | 5,080 lpi |
| Pen accuracy (centre) | — | ±0.01 mm |
| Battery-free pen | Yes | — |
| Pen with eraser | Yes | — |
| Express keys | 10 | — |
| Multi-touch | No | — |
| Connectivity | ||
| Wireless connection | No | No |
| Compatibility | Windows, macOS, Linux, Android, ChromeOS | Windows, macOS, Linux |
| Design & ergonomics | ||
| Width | 215 mm | — |
| Height | 162 mm | — |
| Depth | 12 mm | — |









