Samsung
Galaxy Watch 4 Classic 42mm
vs
Samsung
SM-R820
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Samsung Galaxy Watch 4 Classic 42mm alternatives
Samsung SM-R820 alternatives
specs
Samsung
Galaxy Watch 4 Classic 42mm
Display
compared
Samsung
SM-R820
not available
Watch glass type:
Corning Gorilla Glass DX+
not available
Display number of colours:
16 million colours
Always-on display:
not available
Colour display:
not available
330 ppi
Pixel density:
not available
600 cd/m²
Display brightness:
not available
3.05 cm (1.2")
Display diagonal:
3.56 cm (1.4")
Touchscreen:
396 x 396 pixels
Display resolution:
360 x 360 pixels
SAMOLED
Display type:
SAMOLED
Samsung
Galaxy Watch 4 Classic 42mm
Performance
compared
Samsung
SM-R820
2
Processor cores:
2
1.2 MHz
Processor frequency:
1150 MHz
not available
Processor model:
Exynos 9110
Samsung
Processor manufacturer:
Samsung
16 GB
Flash memory:
4 GB
1500 MB
RAM capacity:
768 MB
not available
Compatible memory cards:
Not supported
Wear OS
Operating system installed:
Tizen Based Wearable OS 4.0
Y
Mobile operating systems supported:
Android 5.0,Android 5.1,Android 6.0,Android 7.0,Android 7.1,Android 7.1.2,Android 8.0,Android 9.0,iOS 9.0,iOS 9.1,iOS 9.2,iOS 9.3
not available
Built-in speaker(s):
not available
Built-in microphone:
Samsung
Galaxy Watch 4 Classic 42mm
Design
compared
Samsung
SM-R820
5 ATM
Water resistance:
not available
not available
Waterproof up to:
50 m
IP68
International Protection (IP) code:
IP68
Splash proof, Waterproof
Protection features:
Waterproof
not available
Removable strap:
Single prong strap buckle
Closure type:
Single prong strap buckle
Silver
Buckle colour:
Gold
Metal
Buckle material:
not available
Unisex
Suggested gender:
not available
Round
Shape:
Round
Silicone
Band material:
not available
Silver
Band colour:
Brown
Stainless steel
Watch case material:
Stainless steel
Silver
Watch case colour:
Black, Gold
42 mm
Watch case size:
44 mm
Smartwatch
Market positioning:
Smartwatch
Samsung
Galaxy Watch 4 Classic 42mm
Features
compared
Samsung
SM-R820
not available
Military standard:
MIL-STD-810G
Start workout
Smartwatch dedicated buttons:
not available
Barometer:
not available
Ambient light sensor:
not available
Audio formats supported:
3GA,AAC,AMR,AWB,M4A,MP3,OGA,OGG,WAV,WMA
Calendar notifications:
not available
Caller ID:
not available
12h/24h
Clock mode:
not available
E-mail:
not available
Electronic compass:
not available
Geomagnetic sensor:
not available
Music player:
not available
not available
Remote audio playback:
SMS notifications:
not available
Stress monitoring function:
not available
not available
Vibrating alert:
Google Assistant
Virtual assistant:
not available
Voice activation:
not available
Weather display:
Alarm clock, Calculator, Calendar, Countdown timer, Events reminder, Recorder, SOS, Stopwatch
Personal info management (PIM):
not available
SOS alert function:
not available
Short Message Service (SMS):
not available
Quality of sleep:
not available
Multisport mode:
not available
Activity tracker:
Gyroscope:
Accelerometer:
not available
Distance travelled:
not available
Pedometer:
Blood oxygen sensor:
not available
Blood pressure monitor:
Optical
Heart rate sensor type:
not available
Heart rate contact sensors:
not available
Heart rate monitor:
Samsung
Galaxy Watch 4 Classic 42mm
Network
compared
Samsung
SM-R820
Galileo:
GLONASS:
BeiDou:
not available
GPS (satellite):
Samsung
Galaxy Watch 4 Classic 42mm
Ports & interfaces
compared
Samsung
SM-R820
Bluetooth
Headphone connectivity:
not available
Near Field Communication (NFC):
not available
Bluetooth profiles:
A2DP,AVRCP,HFP,HSP
5.0
Bluetooth version:
5.0
802.11b,802.11g,Wi-Fi 4 (802.11n)
Wi-Fi standards:
802.11b,802.11g,Wi-Fi 4 (802.11n)
Wi-Fi:
not available
Bluetooth:
Samsung
Galaxy Watch 4 Classic 42mm
Power
compared
Samsung
SM-R820
not available
Auto standby:
not available
Rechargeable battery:
not available
Wireless charging:
not available
Battery life (max):
131, 60
247 mAh
Battery capacity:
340 mAh
Samsung
Galaxy Watch 4 Classic 42mm
Weight & dimensions
compared
Samsung
SM-R820
not available
Band width:
2 cm
46.5 g
Weight:
42 g
1.12 cm
Thickness:
1.09 cm
41.5 mm
Depth:
44 mm
41.5 mm
Width:
44 mm
Samsung
Galaxy Watch 4 Classic 42mm
Packaging data
compared
Samsung
SM-R820
Box
Package type:
not available
Samsung
Galaxy Watch 4 Classic 42mm
Packaging content
compared
Samsung
SM-R820
Charger:
not available
not available
Charging base:
Manual:
not available
not available
Quick start guide: