Compare Oppo A78 4G

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Photos relative in size Front Side Back	Oppo A78 4G‎	Samsung Galaxy A21s‎ $ 219.99	Samsung Galaxy S20 5G‎ $ 394.00

Dimensions	160.01 x 73.23 x 7.93 mm	163.7 x 75.3 x 8.9 mm	151.7 x 69.1 x 7.9 mm
Weight	180 grams	192 grams	163 grams
Stand-by	1.7 week	depends on usage	depends on usage
Talk time	depends on usage	depends on usage	depends on usage
Design type
Monoblock
Controls
Facial unlock
Fingerprint recognition			Pressure sensitive in-screen
Touchscreen	Multi-touch, Capacitive	Multi-touch, Capacitive	Multi-touch, Capacitive
Voice command
Voice dialing
Operating system
Android	11		10
User interface
ColorOS	13.1
One UI
Display
Auto-rotate
Color display	Adjustable display brightness, 16.777.216 colors (24 bits), AMOLED, Hole-punch display	Adjustable display brightness, 16.777.216 colors (24 bits), Infinity-O Display, Hole-punch display	Adjustable display brightness, 16.777.216 colors (24 bits), Infinity-O Display, Always On feature, HDR10+, Hole-punch display
Size	6.43 inch	6.5 inch	6.2 inch
Resolution	2400 x 1080 pixels	1600 x 720 pixels	3200 x 1440 pixels
Refresh rate	90 Hz		120 Hz
Aspect ratio	20:9	20:9	20:9
Peak brightness	430 nits
Pixels Per Inch (PPI)	409	270	566
Screen-to-body ratio	85.2%	82.8%	88.5%
Hardware
Camera	Dual camera sensor, Auto focus, Blink Shot, Digital zoom, Effects/camera settings, Flash, Geotagging, Face recognition, Quality settings, Macro mode, Mosaic photo, Burst (Continuous) Shooting, Night mode, Panoramic photo, Portrait mode, Smile Shot, Video recorder, self-timer	Viervoudige camera-sensor, Auto focus, Image stabilization, Blink Shot, Digital zoom, Effects/camera settings, Flash, Geotagging, Face recognition, Quality settings, Macro mode, Mosaic photo, Burst (Continuous) Shooting, Night mode, Panoramic photo, Portrait mode, Smile Shot, Video recorder, self-timer	Tri camera sensor, Auto focus, Image stabilization, Blink Shot, Digital zoom, Effects/camera settings, Flash, Geotagging, Face recognition, Quality settings, Macro mode, Mosaic photo, Burst (Continuous) Shooting, Night mode, Panoramic photo, Portrait mode, Smile Shot, Video recorder, self-timer
Type	2 MP + 50 MP	2 MP + 2 MP + 48 MP + 8 MP	12 MP + 12 MP + 64 MP
Angle of view (AOV)	77° + 89°		120° + 76° + 79°
F-number	f/1.8 + f/2.4	f/2.0 + f/2.2 + f/2.4 + f/2.4	f/1.8 + f/2.0 + f/2.2
Max. resolution	(video) 1920 x 1080 pixels	(camera) 8000 x 6000 pixels + (video) 3840 x 1644 pixels	(camera) 4032 x 3024 pixels + (video) 3840 x 2160 pixels
Haptic feedback
Integrated antenna
Processor	Qualcomm Snapdragon 680, Octa core	Octa core	Octa core
Clock Frequency		2.0 GHz
Secondary camera			Autofocus
Type	8 MP	13 MP	10 MP
Angle of view (AOV)	83°		80°
F-number	f/2.0	f/2.2	f/2.2
Max. resolution	(video) 1920 x 1080 pixels	(camera) 4208 x 3120 pixels	(video) 3840 x 2160 pixels
Materials
Gorilla Glass	5
Plastic
Aluminium
Dust and waterproof			IP68
Glass
Telephony
Dual SIM	Hybrid slot		Hybrid slot
Flight mode
Integrated handsfree speaker
nano-SIM (4FF)
Vibrating alert
Videoconferencing
Operating frequency
Quad band
Data network
4G (LTE)	Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28		Cat 20 (2 Gbps)
EDGE
GPRS
HSDPA			Cat20 42 Mbps
HSUPA			Cat6 5.76 Mbps
UMTS
5G
Personalisation
Multiple homescreens
Widgets
Personal Information Management (PIM)
Agenda
Alarm clock
Calculator
Contact list
Date and time notation
Document viewer	Excel files, PowerPoint files, PDF files, Word files	Excel files, PowerPoint files, PDF files, Word files	Excel files, PowerPoint files, PDF files, Word files
Phonebook with groups
Photo phonebook
Reminder list
Stopwatch & countdown timer
To-do list
Voice memo
Available applications
Image editor
Java application support
Movie editor
Photo album
Video codec support	H.263, H.264, MPEG-4	H.263, H.264, MPEG-4	DivX, H.263, H.264, MPEG-4, Sorenson Spark, VC-1, VP8
Video file support	3GP, 3G2, ASF, AVI, FLV, M4V, MKV, MP4, WebM, WMV	3GP, 3G2, ASF, AVI, FLV, M4V, MKV, MP4, WebM, WMV	3GP, 3G2, ASF, AVI, FLV, M4V, MKV, MP4, WebM, WMV
Messaging
E-mail	POP3, SMTP, IMAP4	POP3, SMTP, IMAP4	POP3, SMTP, IMAP4
Instant messaging	Google Talk	Google Talk	Google Talk
MMS	Video MMS	Video MMS	Video MMS
Predictive Text Input	T9	T9	T9
SMS	Group messaging, Receive and send concatenated messages	Group messaging, Receive and send concatenated messages	Group messaging, Receive and send concatenated messages
Internet
Internet browser
RSS reader
YouTube support
Navigation
A-GPS
Beidou
Build-in navigation system	Google Maps, Google Maps Navigation	Google Maps, Google Maps Navigation	Google Maps, Google Maps Navigation
Digital Compass
Galileo
GLONASS
GPS receiver
Quasi-Zenith (QZSS)
Audio
Audio codec support	AAC, aptX, LDAC, MP3 VBR, SBC	AAC, AAC+, eAAC+, AMR, FLAC, MIDI, Mobile XMF, MP3 VBR, OGG Vorbis, OTA, RTTL/RTX	AAC, AAC+, AC3, eAAC+, AMR, FLAC, MIDI, Mobile XMF, MP3 VBR, OGG Vorbis, OTA, RTTL/RTX
Audio file support	M4A, MP3, WAV, WMA	M4A, MP3, WAV, WMA	M4A, MP3, WAV, WMA
Polyphonic ringtones	MP3 ringtones	MP3 ringtones	MP3 ringtones
Stereo speakers
Build-in memory
Internal memory
Size (RAM)	8 GB	3 GB + 4 GB	12 GB
Storage	128 GB + 256 GB	32 GB + 64 GB	128 GB
Memory card slot	MicroSDHC memory card	MicroSDHC memory card
Connections
Audio jack plug	3.5 mm	3.5 mm
USB	Type-C	v2.0, Type-C	v3.0, Type-C
Connectivity
Bluetooth	v5.0, Advanced Audio Distribution Profile (A2DP)	v5.0, Advanced Audio Distribution Profile (A2DP)	v5.0, Advanced Audio Distribution Profile (A2DP)
NFC
Synchronisation	ActiveSync, SyncML	ActiveSync, SyncML	ActiveSync, SyncML
Tethering
WAP	2.0	2.0	2.0
Wireless Lan (WLAN/Wi-Fi)	Wi-Fi 5 (802.11ac), WiFi Direct support	Wi-Fi 5 (802.11ac), WiFi Direct support	Wi-Fi 6 (802.11ax), WiFi Direct support
ANT+
DLNA support
Power supply
Battery	Li-ion	Li-ion	Li-ion
Capacity	5000 mAh	5000 mAh	4000 mAh
Fast charging	SuperVOOC		Qualcomm Quick Charge, Samsung Adaptive Fast Charging
Max. power	67 Watt	15 Watt
Wireless charging			Omgekeerd opladen
Sensors
Ambient light sensor
Gesture recognition
Gyroscope
Proximity sensor
Barometer