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- S999 vs HiPer XR
Stonex S999 vs Topcon HiPer XR
What S999 does better (3) and where HiPer XR wins (3) — every spec side by side.
Dimensions
Size comparison
S999HiPer XR
| S999 | HiPer XR | Difference | |
|---|---|---|---|
| Height | 74 mm | 97 mm | −23 mm |
| Width | 139 mm | 139 mm | = |
| Depth | 139 mm | 139 mm | = |
| Weight | 1,065 g | 995 g | +70 g |
Drawn to the same scale from the official dimensions (front and side).
Why is S999 better than HiPer XR?
- Water protection (IPx)IPx8 vs IPx7+14%
- Tracking channels1,408 vs 4483.1×
- Internal storage31 GB vs 20 GB+55%
Why is HiPer XR better than S999?
- Battery life10 h vs 15 h+50%
- Built-in UHF radioNo · S999: Yes
- Weight1,065 g vs 995 g+7%
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 |
| Multi-band GNSS (L1 + L5/L2) | — | Yes |
| Frequency bands | — | L1, L2, L5, E1, E5a, E5b, E6, B1, B2, B3 |
| Tracking channels | 1,408 | 448 |
| SBAS (WAAS / EGNOS) | Yes | Yes |
| RTK positioning | — | Yes |
| RTK accuracy (horizontal) | — | 5 mm |
| RTK accuracy (vertical) | — | 10 mm |
| Static accuracy (horizontal) | — | 3 mm |
| Tilt compensation (IMU) | Yes | Yes |
| Max. tilt angle | 60° | 60° |
| Correction sources | NTRIP (internet), Cellular modem, L-band / PPP, SBAS | NTRIP (internet), UHF radio, Cellular modem, L-band / PPP, SBAS |
| Built-in UHF radio | No | Yes |
| L-band / PPP corrections | Yes | Yes |
| Maps & navigation | ||
| Internal storage | 31 GB | 20 GB |
| Memory card slot | — | Yes |
| Connectivity & safety | ||
| Wi-Fi | — | Yes |
| Bluetooth | Yes | Yes |
| Cellular modem (4G / LTE) | Yes | Yes |
| USB-C | Yes | Yes |
| Camera | Yes | — |
| Battery & power | ||
| Battery life | 10 h | 15 h |
| Battery capacity | 13,600 mAh | — |
| Power source | — | Built-in rechargeable |
| Build & durability | ||
| Protection rating | IP68 | IP67 |
| Water protection (IPx) | IPx8 | IPx7 |
| MIL-STD-810 | — | Yes |
| Operating temperature (min) | -40 °C | -40 °C |
| Operating temperature (max) | 65 °C | 65 °C |
| Weight | 1,065 g | 995 g |
| Width | 139 mm | 139 mm |
| Height | 74 mm | 97 mm |
| Depth | 139 mm | 139 mm |
| Housing material | — | Magnesium |









