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Realme TechLife Watch SZ100 vs Apple Watch Ultra

Realme TechLife Watch SZ100 RealmeTechLife Watch SZ100
VS
Apple Watch Ultra AppleWatch Ultra

The third device is shown on desktop screens only

General

Announced
March 2022
September 2022
Released
March 2022
September 2022
Colors
BlackGrayBlue
Titanium

Design

Length
35.8 mm (1.41 in)
49 mm (1.93 in)
Width
25.1 mm (0.99 in)
44 mm (1.73 in)
Thickness
11.6 mm (0.46 in)
14.4 mm (0.57 in)
Weight
34 g (1.20 oz)
61.3 g (2.15 oz)
Materials
Plastic backPlastic frame
Ceramic/sapphire crystal backTitanium frame

Network

2G Network
—
Yes
3G Network
—
Yes
4G Network
—
Yes
GPRS
No
Yes
EDGE
No
Yes
SIM
No
Electronic SIM (eSIM)

Display

Display Type
IPS LCD
Retina LTPO OLED
Size
1.69 Inches
1.92 Inches
Resolution
240x280 Pixels
502x410 Pixels
Pixel Density
218 PPI
338 PPI
Brightness Level
530 Nits (Peak)
2000 Nits (Peak)
Display Protection
—
Sapphire crystal glass
Features
—
Always-on Display

Hardware

Chipset
Unknown
Apple S8
CPU Type
—
Dual-core
GPU
—
PowerVR
Internal Storage
—
32 GB
Card Slot
No
—

Software

OS
Proprietary OS
WatchOS 9.0
Update To
—
WatchOS 9.5

Camera

Camera
No
No

Connectivity

Wi-Fi
No
Wi-Fi 4b/g/n
Bluetooth
5.1
5.3
On both: LE, A2DP
Location
No
GPSBDSGALILEOGLONASS
NFC
No
Yes

Media

Loudspeaker
No
Yes - Dual Speakers (86-decibel)
3.5mm jack
No
No

Other specifications

Sensors
Temperature (body)
GyroscopeCompassBarometerVO2maxAlways-on altimeterTemperature (body/water)Depth gauge (±1m accuracy)
On both: Accelerometer, SpO2, Heart Rate
Water/Dust Resistant
Yes - IP68 dust/water resistant (up to 1.5m)
100m Water Resistant40m swimproof/divingDust Resistant (IP6X)
Other Features
—
ECG CertifiedUltra Wideband (UWB)MIL-STD 810H certified

Charging and Battery

Wireless Charging
No
Yes
Capacity
260 mAh
542 mAh
Battery Type
Lithium Ion
—

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