Screen size
2Winner: 5.5"+73%
Watch 31.5"
Quick verdict
2 leads the measured specs 11-7.
Measured wins
2
11
spec wins
Overall winner
Ties
2
equal specs
Watch 3
7
spec wins
Screen size
Technology
2
GSM / HSPA / LTE
Watch 3
No cellular connectivity
2G bands
2
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Watch 3
N/A
3G bands
2
HSDPA 850 / 900 / 1900 / 2100
Watch 3
N/A
4G bands
2
1, 3, 5, 7, 8, 20, 38, 40, 41
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
3.5mm jack
SD card
equal specsStereo speakers
Watch 3
N/A
Speed
2
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Watch 3
No
GPRS
2
-
Watch 3
No
EDGE
2
-
Watch 3
No
Announced
2
2015, July. Released 2015, August
Watch 3
2025, February 18
Status
2
Discontinued
Watch 3
Available. Released 2025, March 03
Dimensions
2
151.8 x 74.9 x 9.9 mm (5.98 x 2.95 x 0.39 in)
Watch 3
47.6 x 46.6 x 11.8 mm (1.87 x 1.83 x 0.46 in)
Weight
2
175 g (6.17 oz)
Watch 3
49.7 g (1.76 oz)
Build
2
Glass front (Gorilla Glass 3), plastic back, aluminum frame
Watch 3
Sapphire crystal front, stainless steel frame, plastic back
SIM
2
Nano-SIM + Nano-SIM
Watch 3
No
Other
2
-
Watch 3
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) MIL-STD-810H compliant Waterproof (5ATM/50m) Compatible with standard 22mm straps ECG certified
Type
2
IPS LCD
Watch 3
LTPO AMOLED, 2200 nits (peak)
Size
2
5.5 inches, 83.4 cm2 (~73.3% screen-to-body ratio)
Watch 3
1.5 inches
Resolution
2
1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
Watch 3
466 x 466 pixels (~310 ppi density)
Protection
2
Corning Gorilla Glass 3
Watch 3
Sapphire crystal glass
OS
2
Android 5.1 (Lollipop), upgradable to 6.0.1 (Marshmallow), Oxygen 3.5.6 UI
Watch 3
ColorOS Watch 7.0 + Wear OS 5.0
Chipset
2
Qualcomm MSM8994 Snapdragon 810 (20 nm)
Watch 3
Qualcomm Snapdragon W5 Gen 1 (4 nm)
CPU
2
Octa-core (4x1.56 GHz Cortex-A53 & 4x1.82 GHz Cortex-A57)
Watch 3
-
GPU
2
Adreno 430
Watch 3
-
Card slot
2
No
Watch 3
No
Internal
2
16GB 3GB RAM, 64GB 4GB RAM
Watch 3
32GB 2GB RAM
Other
2
eMMC 5.0
Watch 3
-
Single
2
13 MP, f/2.0, 1/2.6", 1.3µm, OIS
Watch 3
-
Features
2
Laser AF, Dual-LED flash, panorama, HDR
Watch 3
-
Video
2
4K@30fps, 4K(DCI)@24fps, 1080p@60fps, 720p@120fps, HDR, stereo sound rec.
Watch 3
-
Single
2
5 MP, f/2.4
Watch 3
-
Video
2
720p@30fps
Watch 3
-
Loudspeaker
2
Yes
Watch 3
Yes
3.5mm jack
2
Yes
Watch 3
No
WLAN
2
Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, DLNA, hotspot
Watch 3
Wi-Fi 802.11 a/b/g/n, dual-band
Bluetooth
2
4.1, A2DP
Watch 3
5.2, A2DP, LE
Positioning
2
GPS, GLONASS
Watch 3
GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS
NFC
2
No
Watch 3
Yes
Radio
2
No
Watch 3
No
USB
2
USB Type-C 2.0
Watch 3
No
Sensors
2
Fingerprint (front-mounted), accelerometer, gyro, proximity, compass
Watch 3
Accelerometer, gyro, barometer, compass, heart rate, SpO2, thermometer (skin temperature)
Type
2
Li-Po 3300 mAh, non-removable
Watch 3
Li-Ion 648 mAh
Charging
2
-
Watch 3
7.5W wired
Colors
2
Sandstone Black
Watch 3
Black titanium, Silver titanium
Models
2
ONE A2003, ONE A2005, ONE A2001
Watch 3
OPWWE251
SAR EU
2
0.43 W/kg (head) 0.20 W/kg (body)
Watch 3
-
Price
2
About 300 EUR
Watch 3
€ 159.00
Other
2
-
Watch 3
No