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- S599 vs S999
Stonex S599 vs Stonex S999
What S599 does better (2) and where S999 wins (4) — every spec side by side.
Dimensions
Size comparison
S599S999
| S599 | S999 | Difference | |
|---|---|---|---|
| Height | 46 mm | 74 mm | −28 mm |
| Width | 98 mm | 139 mm | −41 mm |
| Depth | 98 mm | 139 mm | −41 mm |
| Weight | 385 g | 1,065 g | −680 g |
Drawn to the same scale from the official dimensions (front and side).
Why is S599 better than S999?
- Weight385 g vs 1,065 g2.8×
- Battery life12 h vs 10 h+20%
Why is S999 better than S599?
- Internal storage8 GB vs 31 GB3.9×
- Battery capacity6,000 mAh vs 13,600 mAh2.3×
- Operating temperature (min)-30 °C vs -40 °C+-25%
- Operating temperature (max)60 °C vs 65 °C+8%
Specifications
Side by side
| Satellite positioning | ||
| Satellite systems | GPS, GLONASS, Galileo, BeiDou, QZSS, NavIC (IRNSS) | GPS, GLONASS, Galileo, BeiDou, QZSS, NavIC (IRNSS) |
| Satellite systems supported | 6 | 6 |
| Tracking channels | 1,408 | 1,408 |
| SBAS (WAAS / EGNOS) | Yes | Yes |
| RTK positioning | Yes | — |
| RTK accuracy (horizontal) | 8 mm | — |
| Static accuracy (horizontal) | 2.5 mm | — |
| Tilt compensation (IMU) | Yes | Yes |
| Max. tilt angle | — | 60° |
| Correction sources | L-band / PPP, SBAS | NTRIP (internet), Cellular modem, L-band / PPP, SBAS |
| Built-in UHF radio | No | No |
| L-band / PPP corrections | Yes | Yes |
| Maps & navigation | ||
| Internal storage | 8 GB | 31 GB |
| Connectivity & safety | ||
| Bluetooth | Yes | Yes |
| Cellular modem (4G / LTE) | — | Yes |
| USB-C | Yes | Yes |
| Camera | Yes | Yes |
| Battery & power | ||
| Battery life | 12 h | 10 h |
| Battery capacity | 6,000 mAh | 13,600 mAh |
| Build & durability | ||
| Protection rating | IP68 | IP68 |
| Water protection (IPx) | IPx8 | IPx8 |
| Operating temperature (min) | -30 °C | -40 °C |
| Operating temperature (max) | 60 °C | 65 °C |
| Weight | 385 g | 1,065 g |
| Width | 98 mm | 139 mm |
| Height | 46 mm | 74 mm |
| Depth | 98 mm | 139 mm |
