Phone Comparison - Samsung Galaxy Axiom R830 vs OnePlus Watch 2 vs Xiaomi Watch 2

general General Info

Manufacturer Samsung OnePlus Xiaomi
Announced November 2012 February 2024 February 2024
Status Released - November 2012 Coming Soon - March 2024 Available - February 2024
Colors Blue Black Steel, Radiant Steel Black, Silver
Form Factor Candybar Candybar Candybar
Dimension 121.7 x 63.8 x 11.9 mm
(4.79 x 2.51 x 0.47 in)
47 x 46.6 x 12.1 mm
(1.85 x 1.83 x 0.48 in)
47.5 x 45.9 x 11.8 mm
(1.87 x 1.81 x 0.46 in)
Weight 136.1 g (4.8.0.04 oz) 49 g (1.73 oz) 36.8 g (1.27.0.28 oz)
SIM Type - No No
2G Network CDMA 800 / 1700 / 1900 / 2100 N/A N/A
3G Network CDMA2000 1xEV-DO N/A N/A
4G Network LTE 700 MHz Class 17 / 850 / 1700 / 1900 / 2100 N/A N/A
Messaging SMS, MMS, Push Mail, EMail, IM
Build Features - IP68 dust/water resistant (up to 1.5m for 30 min)
MIL-STD-810H compliant
Waterproof (5ATM)
Compatible with standard 22mm straps
Waterproof (5ATM)

hardware Hardware and OS

OS Android OS, v4.0.4 (Ice Cream Sandwich) Android Wear OS 4 Android Wear OS
Processor Dual-core 1.2 GHz Krait, Qualcomm , Qualcomm Snapdragon W5 Gen 1 (4 nm) , Qualcomm Snapdragon W5+ Gen 1 (4 nm)
GPU - - -
RAM 1 GB 2 GB 2 GB
Internal Memory 4 GB ROM (1.85 GB user available) 32 GB 32 GB
External Memory microSD, up to 32 GB No No

display Display

Type TFT capacitive touchscreen Circular AMOLED Screen, 1000 Nits (HBM)
Sapphire Crystal Glass
Circular AMOLED Screen, 600 Nits
Colors 16M colors 16M colors 16M colors
Size 4.0 inches 1.43 inches 1.43 inches
Resolution 480 x 800 pixels (233 ppi) 466 x 466 pixels (461 ppi) 466 x 466 pixels (461 ppi)
Screen-to-Body Ratio 58.77% 30.10% 30.24%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes no no
Radio No No No
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 5 MP, 2592x1944 pixels
Flash LED flash No No
Features Auto focus, Geo-tagging, Touch Focus, Face Detection

Video Yes, 720p
Front Camera Yes, 1.3 MP [Similar]

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connectivity Connectivity and Data Rate

GPRS No No No
Edge No No No
3G EV-DO Rev. A, up to 3.1 Mbps; LTE No N/A
Bluetooth Yes, v4.0 with A2DP 5.0, A2DP, LE 5.2, A2DP, LE
Wi-Fi Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n, dual-band Wi-Fi 802.11 a/b/g/n/ac, dual-band
USB Yes, microUSB v2.0 No No
GPS Yes, with A-GPS support GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS
Browser HTML5 Yes Yes

memory User Memory

Internal 4 GB ROM (1.85 GB user available), 1 GB RAM 32 GB, 2 GB RAM eMMC 32 GB, 2 GB RAM
Expandable Storage microSD, up to 32 GB No No
USB OTG - Not Supported Not Supported

Apps Sensors

Fingerprint fingerprint not supported fingerprint not supported fingerprint not supported
Proximity Sensor proximity sensor present proximity sensor not present proximity sensor not present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
Barometer Sensor barometer sensor barometer sensor present barometer sensor present
Heart-rate Sensor heart rate sensor heart rate sensor present heart rate sensor present
NFC NFC supported NFC supported NFC not supported

battery Battery

Type Standard battery, Li-Ion Non-removable Li-Po Battery
Battery Charging 7.5W
Non-removable Li-Po Battery
Magnetic charging
Capacity 2100 mAh 500 mAh 495 mAh
Stand by Up to 252 h - -
Talk Time Up to 8 h - -