Device summary

Garmin

Forerunner 165

OPPO

OPPO Watch X2 Mini

Full specifications

Full specifications
Basic information
Release year20242025
Starting price——
Display size1.2-inch1.3-inch
Dimensions43.0 mm × 43.0 mm × 11.6 mm43.2 mm × 43.2 mm × 11.0 mm
Weight39 g38 g
Front material—2.5D glass
Back material—Plastic (PA)
Display
Display technologyAMOLEDAMOLED
Resolution390 × 390466 × 466
Peak brightness—1000 nits
Protection—2.5D glass
Performance
Chipset—Snapdragon W5 Gen 1 + BES2800BP MCU
RAM—2 GB
Storage—32 GB
Expandable storage—No
Battery & charging
Charging standardGarmin proprietary clip / USB chargingMagnetic charging (~1 hour; 10 min ≈ 24 h)
Battery typeLithium-ionLithium-ion
Typical capacity—354 mAh
Rated capacity—345 mAh
Connectivity
CellularGPS / multi-GNSSGNSS (Beidou, GPS, Galileo, GLONASS, QZSS)
BluetoothBluetoothBluetooth 5.2
NFCYesYes
Wi‑Fi—Wi-Fi 2.4 / 5 GHz (802.11 a/b/g/n)
Build & durability
FrameFiber-reinforced polymerStainless steel (18K PVD gold or 316L)
Ingress protection5 ATM5 ATM / IP68

Key differences

The most meaningful measured gaps in size and weight — not an overall winner.

  • Thickness

    OPPO Watch X2 Mini

    0.6 mm thinner

  • Display size

    OPPO Watch X2 Mini

    0.1 in larger display · minor difference

  • Height

    Very similar height

  • Width

    Very similar width

What these size differences mean

Calculated from the dimensions shown, rounded to 0.1 mm and 1 g. Percentages use the smaller measurement as the reference. Fold and rotation settings affect the dimensions compared.

  • OPPO Watch X2 Mini is 0.2 mm (0.5% relative to Forerunner 165) wider. Check this difference against the width of your current device and pocket opening.
  • OPPO Watch X2 Mini is 0.2 mm (0.5% relative to Forerunner 165) taller. This describes the body outline; screen diagonal alone does not tell you the overall size.
  • Forerunner 165 is 0.6 mm (5.5% relative to OPPO Watch X2 Mini) thicker. Cases and camera protrusions can change the clearance you need.
  • OPPO Watch X2 Mini is 1 g lighter. This is the listed device-weight difference, not a measured comfort rating.

Use these figures to compare physical size. They do not establish one-handed reach, pocket fit, durability or an overall winner.

Sources and measurement notes

Sizometry compares published specifications and calculates differences. These are not hands-on measurements or tests of comfort, performance or pocket fit.

Check the exact model, year, region and configuration on the linked page. References may cover several variants. Folded and unfolded dimensions differ; cases and camera protrusions may change the space a device needs. Drawings share a relative scale and are not calibrated to life size on your screen.

Forerunner 165 vs OPPO Watch X2 Mini Size Comparison