specly

T-Rex 2 vs G-Shock GBD-H2000

T-Rex 2

2022 · $149.99 today

8169
G-Shock GBD-H2000

2022 · $399.99 today

7563
Health trackingFitnessBatteryDisplayDesignValue
T-Rex 2G-Shock GBD-H2000

Dashed outline = score at launch

Why T-Rex 2 is better

  • GPS mode: 45 hrs vs 26 hrs(1.7× more)

Why G-Shock GBD-H2000 is better

  • Water resistance: 20 ATM vs 10 ATM(2.0× more)
  • Screen size: 1.94 in vs 1.39 in(40% more)

Verdict

T-Rex 2 leads outright in 5 of 6 dimensions today.

Spec by spec

SpecT-Rex 2G-Shock GBD-H2000
Display
Screen size1.39 in1.94 in
Resolution454 x 454Memory LCD, monochrome
Panel typeAMOLED, always-onAlways-on transflective
Battery
Typical use24 days
GPS mode45 hrs26 hrs
ChargingMagnetic pogo pinSolar + USB
Typical runtime~4 months (watch mode)
Durability
Water resistance10 ATM20 ATM
Military standardMIL-STD-810G
Case materialFiber-reinforced polymerResin / carbon fiber insert
Shock resistanceYes
Sensors
GPSDual-band GNSSBuilt-in
Heart rateBioTracker 3.0 optical HROptical wrist HR
SpO2Yes
Compass / altimeterYes