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  3. 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.

Stonex S999
Stonex · 2024S999
8.5Score
3 advantages
Higher score
vs
Topcon HiPer XR
Topcon · 2025HiPer XR
8.3Score
3 advantages
7.2Positioning9.4
9.2Maps & navigation8.0
5.9Connectivity & safety5.9
5.1Battery6.8
7.7Durability4.4
Dimensions

Size comparison

S999HiPer XR
139 × 74139139 × 97139
S999HiPer XRDifference
Height74 mm97 mm−23 mm
Width139 mm139 mm=
Depth139 mm139 mm=
Weight1,065 g995 g+70 g

Drawn to the same scale from the official dimensions (front and side).

Why is S999 better than HiPer XR?

  1. Water protection (IPx)IPx8 vs IPx7+14%
  2. Tracking channels1,408 vs 4483.1×
  3. Internal storage31 GB vs 20 GB+55%

Why is HiPer XR better than S999?

  1. Battery life10 h vs 15 h+50%
  2. Built-in UHF radioNo · S999: Yes
  3. Weight1,065 g vs 995 g+7%
Specifications

Side by side

Satellite positioning
Satellite systemsGPS, GLONASS, Galileo, BeiDou, QZSS, NavIC (IRNSS)GPS, GLONASS, Galileo, BeiDou, QZSS, NavIC (IRNSS)
Satellite systems supported66
Multi-band GNSS (L1 + L5/L2)—Yes
Frequency bands—L1, L2, L5, E1, E5a, E5b, E6, B1, B2, B3
Tracking channels1,408448
SBAS (WAAS / EGNOS)YesYes
RTK positioning—Yes
RTK accuracy (horizontal)—5 mm
RTK accuracy (vertical)—10 mm
Static accuracy (horizontal)—3 mm
Tilt compensation (IMU)YesYes
Max. tilt angle60°60°
Correction sourcesNTRIP (internet), Cellular modem, L-band / PPP, SBASNTRIP (internet), UHF radio, Cellular modem, L-band / PPP, SBAS
Built-in UHF radioNoYes
L-band / PPP correctionsYesYes
Maps & navigation
Internal storage31 GB20 GB
Memory card slot—Yes
Connectivity & safety
Wi-Fi—Yes
BluetoothYesYes
Cellular modem (4G / LTE)YesYes
USB-CYesYes
CameraYes—
Battery & power
Battery life10 h15 h
Battery capacity13,600 mAh—
Power source—Built-in rechargeable
Build & durability
Protection ratingIP68IP67
Water protection (IPx)IPx8IPx7
MIL-STD-810—Yes
Operating temperature (min)-40 °C-40 °C
Operating temperature (max)65 °C65 °C
Weight1,065 g995 g
Width139 mm139 mm
Height74 mm97 mm
Depth139 mm139 mm
Housing material—Magnesium
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