Samsung Galaxy M02 vs Samsung Z4

Key Specs

Battery
Battery	5000 mAh	2050 mAh
Display
Display	6.5 inches (16.51 cm)	4.5 inches (11.43 cm)
Front Camera
Front Camera	5 MP	5 MP
Processor
Processor	MediaTek MT6739	Spreadtrum SC9830A
RAM
RAM	2 GB	1 GB
Rear Camera
Rear Camera	13 MP + 2 MP	5 MP

Battery

Capacity
Capacity	5000 mAh	2050 mAh
Removable
Removable	No	Yes
TalkTime
TalkTime	Up to 24 Hours(4G)	Up to 9 Hours(3G)
Type
Type	Li-ion	Li-ion
USB Type-C
USB Type-C	No	No

Design

Build Material
Build Material	Back: Plastic	-
Colours
Colours	Black, Blue, Grey, Red	Gold
Height
Height	164 mm	132.9 mm
Thickness
Thickness	9.1 mm	10.3 mm
Weight
Weight	206 grams	143 grams
Width
Width	75.9 mm	69.2 mm

Display

Aspect Ratio
Aspect Ratio	20:9	-
Bezel-less display
Bezel-less display	Yes with notch	-
Display Colour
Display Colour	-	262k
Display Type
Display Type	PLS TFT LCD	TFT
Pixel Density
Pixel Density	270 ppi	207 ppi
Resolution
Resolution	720x1600 px (HD+)	480x800 px
Screen Size
Screen Size	6.5 inches (16.51 cm)	4.5 inches (11.43 cm)
Screen to Body Ratio (calculated)
Screen to Body Ratio (calculated)	81.95 %	62.67 %
Touch Screen
Touch Screen	Yes, Capacitive Touchscreen, Multi-touch	Yes, Capacitive Touchscreen

Front Camera

Autofocus
Autofocus	No	No
Camera Setup
Camera Setup	Single	-
Flash
Flash	No	Yes, LED Flash
Resolution
Resolution	5 MP f/2.0, Primary Camera	5 MP Front Camera
Sensor
Sensor	-	CMOS

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General

Brand
Brand	Samsung	Samsung
Custom UI
Custom UI	Samsung One UI	-
Launch Date
Launch Date	February 8, 2021 (Official)	May 19, 2017 (Official)
Operating System
Operating System	Android v10 (Q)	Tizen v3.0

Main Camera

Autofocus
Autofocus	Yes	Yes
Camera Features
Camera Features	8 x Digital Zoom Auto Flash Face detection Touch to focus	Digital Zoom Auto Flash
Camera Setup
Camera Setup	Dual	Single
Flash
Flash	Yes, LED Flash	Yes, Dual LED Flash
Image Resolution
Image Resolution	4128 x 3096 Pixels	2592 x 1944 Pixels
OIS
OIS	No	No
Resolution
Resolution	13 MP f/1.9, Primary Camera 2 MP f/2.4	5 MP Primary Camera
Sensor
Sensor	-	CMOS image sensor
Settings
Settings	Exposure compensation, ISO control	-
Shooting Modes
Shooting Modes	Continuous Shooting High Dynamic Range mode (HDR)	-
Video Recording
Video Recording	1920x1080 @ 30 fps	1280x720 @ 30 fps

Multimedia

Audio Jack
Audio Jack	3.5 mm	3.5 mm
FM Radio
FM Radio	-	Yes
Loudspeaker
Loudspeaker	Yes	Yes
Music
Music	-	Yes, Music Formats: 3GA, AAC, AMR, FLAC, M4A (Apple lossless), MP3, OGA, WAV, WMA
Ring Tone
Ring Tone	-	Music ringtones, Vibration
Video Player
Video Player	-	Yes, Video Formats: 3G2, 3GP, ASF, AVI, M4V, MKV, MP4
Video player
Video player	-	Yes, Video Formats: 3G2, 3GP, ASF, AVI, M4V, MKV, MP4

Network & Connectivity

Bluetooth
Bluetooth	Yes, v5.0	Yes, v4.0
GPS
GPS	Yes with A-GPS, Glonass	Yes with A-GPS, Glonass
NFC
NFC	No	No
Network Support
Network Support	5G Not Supported in India, 4G Supported in India, 3G, 2G	5G Not Supported in India, 4G Supported in India, 3G, 2G
SIM 1
SIM 1	4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 850(band 5) / 800(band 20) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available	4G Bands: TD-LTE 2300(band 40) FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5) 3G Bands: UMTS 2100 / 900 MHz 2G Bands: GSM 1800 / 900 MHz GPRS: Available EDGE: Available
SIM 2
SIM 2	4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 850(band 5) / 800(band 20) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available	2G Bands: GSM 1800 / 900 MHz GPRS: Available
SIM Size
SIM Size	SIM1: Nano, SIM2: Nano	SIM1: Micro, SIM2: Micro
SIM Slot(s)
SIM Slot(s)	Dual SIM, GSM+GSM	Dual SIM, GSM+GSM
USB Connectivity
USB Connectivity	Mass storage device, USB charging, microUSB 2.0	Mass storage device, USB charging, microUSB 2.0
VoLTE
VoLTE	Yes	Yes
Wi-Fi
Wi-Fi	Yes, Wi-Fi 4 (802.11 b/g/n)	Yes, Wi-Fi 4 (802.11 b/g/n)
Wi-Fi Features
Wi-Fi Features	Wi-Fi Direct, Mobile Hotspot	Mobile Hotspot

Performance

Architecture
Architecture	64 bit	-
CPU
CPU	Quad core, 1.5 GHz, Cortex A53	Quad core, 1.5 GHz, Cortex A7
Chipset
Chipset	MediaTek MT6739	Spreadtrum SC9830A
Fabrication
Fabrication	28 nm	-
Graphics
Graphics	PowerVR GE8100	Mali-400 MP2

Sensors

Browser
Browser	-	Yes, HTML
Email
Email	-	Yes
Fingerprint Sensor
Fingerprint Sensor	No	No
Games
Games	-	Yes
Instant Messaging
Instant Messaging	-	Yes
Other Facilities
Other Facilities	-	Android Market, Countdown timer, World clock, Calendar, Alarm, Document viewer
Other Sensors
Other Sensors	Proximity sensor, Accelerometer	Proximity sensor, Accelerometer
Phone Book
Phone Book	-	Yes, Practically Unlimited

Storage

Expandable Memory
Expandable Memory	Yes, Up to 1 TB	Yes, Up to 128 GB
Internal Memory
Internal Memory	32 GB	8 GB
Storage Type
Storage Type	eMMC 5.1	-
USB OTG
USB OTG	-	Yes
User Available Storage
User Available Storage	Up to 22.4 GB	Up to 4.9 GB