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- X1 Pro vs S999
SingularXYZ X1 Pro vs Stonex S999
What X1 Pro does better (3) and where S999 wins (2) — every spec side by side.
Dimensions
Size comparison
X1 ProS999
| X1 Pro | S999 | Difference | |
|---|---|---|---|
| Height | 67 mm | 74 mm | −7 mm |
| Width | 133 mm | 139 mm | −6 mm |
| Depth | 133 mm | 139 mm | −6 mm |
| Weight | 870 g | 1,065 g | −195 g |
Drawn to the same scale from the official dimensions (front and side).
Why is X1 Pro better than S999?
- Battery life20 h vs 10 h2×
- Weight870 g vs 1,065 g+22%
- Built-in UHF radioYes · S999: No
Why is S999 better than X1 Pro?
- Internal storage8 GB vs 31 GB3.9×
- Satellite systems supported5 vs 6+20%
Specifications
Side by side
| Satellite positioning | ||
| Satellite systems | GPS, GLONASS, Galileo, BeiDou, QZSS | GPS, GLONASS, Galileo, BeiDou, QZSS, NavIC (IRNSS) |
| Satellite systems supported | 5 | 6 |
| Multi-band GNSS (L1 + L5/L2) | Yes | — |
| Frequency bands | L1, L2, L5, E1, E5a, E5b, E6, B1, B2, B3 | — |
| 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° | 60° |
| Correction sources | NTRIP (internet), UHF radio, Cellular modem, L-band / PPP, SBAS | NTRIP (internet), Cellular modem, L-band / PPP, SBAS |
| Built-in UHF radio | Yes | No |
| L-band / PPP corrections | Yes | Yes |
| Raw data logging (RINEX) | Yes | — |
| Maps & navigation | ||
| Internal storage | 8 GB | 31 GB |
| Connectivity & safety | ||
| Wi-Fi | Yes | — |
| Bluetooth | Yes | Yes |
| Cellular modem (4G / LTE) | Yes | Yes |
| USB-C | Yes | Yes |
| Camera | — | Yes |
| Battery & power | ||
| Battery life | 20 h | 10 h |
| Battery capacity | — | 13,600 mAh |
| External power input | DC 9~28V | — |
| Build & durability | ||
| Protection rating | IP68 | IP68 |
| Water protection (IPx) | IPx8 | IPx8 |
| Drop resistance | 2 m | — |
| Operating temperature (min) | -40 °C | -40 °C |
| Operating temperature (max) | 65 °C | 65 °C |
| Weight | 870 g | 1,065 g |
| Width | 133 mm | 139 mm |
| Height | 67 mm | 74 mm |
| Depth | 133 mm | 139 mm |
| Housing material | Magnesium-aluminum alloy | — |
