Phone Comparison - Samsung Galaxy S9+ vs Samsung Galaxy A21s vs Samsung Galaxy A02

general General Info

Manufacturer Samsung Samsung Samsung
Announced February 2018 Expected Announcement - May 2020 2021, January 27
Status Coming Soon, March 2018 Rumored Available. Released 2021, January 27
Price Rs. 57,999 ($890.00) [Similarly Priced] - -
Colors Various Black, White, Blue Black, Blue, Red
Form Factor Candybar Candybar Candybar
Dimension 158.1 x 73.8 x 8.5 mm
(6.22 x 2.91 x 0.33 in)
8.9 mm thickness
(0.35 in thickness)
164 x 75.9 x 9.1 mm
(6.46 x 2.99 x 0.36 in)
Weight 189 g (6.67 oz) 191 g (6.74 oz) 206 g (7.27 oz)
SIM Type Single SIM (Nano-SIM), Hybrid Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G Network HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 2100
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network LTE LTE LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900) 20(800), 28(700), 32(1500), 38(2600), 40(2300), 41(2500)
Messaging SMS, MMS, EMail, IM
Build Features - Fingerprint Sensor
- Samsung Pay (Visa, MasterCard certified)
- IP68 certified - dust/water proof over 1.5 meter and 30 minutes
- Fingerprint Sensor
-
Notification LED Yes - -

hardware Hardware and OS

OS Android 8.0 (Oreo) Android 10.0 Android 10
User Interface - One UI 2.0 One UI 2.5
Processor Octa-core (4x2.8 GHz Mongoose M3 & 4x1.7 GHz Cortex-A55) - EMEA
Octa-core (4x2.7 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver) - USA & China, Exynos 9810 Octa - EMEA
Qualcomm Snapdragon 845
Octa-core 2.0 GHz, Exynos 850 Octa-core 1.8 GHz Cortex-A53, Qualcomm SM4250 Snapdragon 450 (11 nm)
GPU Mali-G72 MP18 - EMEA
Adreno 630 - USA & China
- Adreno 506
RAM 6 GB 3 GB 2 GB
Internal Memory 64 GB 64 GB 32 GB
External Memory microSD, up to 256 GB (uses SIM 2 slot) - dual SIM model only microSDXC microSDXC (dedicated slot)

display Display

Type Super AMOLED Capacitive Touchscreen, Corning Gorilla Glass 5 PLS TFT Capacitive Touchscreen PLS TFT Display
Colors 16M colors 16M colors 16M Colour
Size 6.2 inches 6.55 inches 6.5 inches
Resolution 1440 x 2960 pixels (531 ppi) 720 x 1600 pixels (268 ppi) 720 x 1520 pixels (259 ppi)
Screen-to-Body Ratio 83.59% - 84.56%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio No - FM radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera Dual12 MP + 12 MP 48 MP + 8 MP + 2 MP 13 MP + 2 MP
Flash LED Flash LED Flash LED Flash
Features Phase Detection Autofocus, f/1.6 + f/2.4, 26mm, 1/2.55", 1.4 µm, 52mm, 1/3.6", 1 µm, Dual Pixel AF, OIS, 2x Optical Zoom, Geo-tagging, Simultaneous 4K Video And 9MP Image Recording, Touch Focus, Face/smile Detection, Auto HDR, Panorama 48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF
8 MP, f/2.4, (ultrawide), 1/4.0", 1.12µm
2 MP, f/2.4, (macro)
Panorama, HDR
13 MP, f/2.2, 28mm (wide), 1/3.1", 1.12µm, AF
2 MP, f/2.4, (depth)
Video 2160p@30fps, 1080p@60fps, HDR, dual-video rec. 1080p@30fps 1080p@30fps
Front Camera 8 MP, f/1.6, autofocus, 1440p, dual video call, Auto HDR [Similar] 13 MP, f/2.3, 29mm (normal), 1/3.1", 1.12µm
HDR, Panorama
1080p@30fps [Similar]
8 MP, f/2.2, 1/4", 1.12µm [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA 42.2/5.76 Mbps, LTE-A (4CA) Cat16 1024/150 Mbps HSPA 42.2/5.76 Mbps, LTE-A HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth 5.0, A2DP, LE, aptX 5.0, A2DP, LE 4.2, A2DP, LE
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
USB 3.1, Type-C 1.0 reversible connector Yes microUSB 2.0
GPS Yes, with A-GPS, GLONASS, BDS, GALILEO Yes, with A-GPS Yes, with A-GPS, GLONASS, GALILEO, BDS
Browser HTML5 Yes Yes

memory User Memory

Internal 64 GB, 6 GB RAM 64 GB, 3 GB RAM or 32 GB, 3 GB RAM 32 GB, 2 GB RAM
Expandable Storage microSD, up to 256 GB (uses SIM 2 slot) - dual SIM model only microSDXC microSDXC (dedicated slot)
USB OTG Not Supported Supported Not Supported

Apps Sensors

Fingerprint fingerprint supported fingerprint supported fingerprint not supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
Magnetic-Field Sensor (Compass) magnetic field sensor present magnetic field sensor not present magnetic field sensor not present
Gyroscope Sensor gyroscope sensor present gyroscope sensor not present gyroscope sensor not present
Barometer Sensor barometer sensor present barometer sensor not present barometer sensor not present
Heart-rate Sensor heart rate sensor present heart rate sensor not present heart rate sensor not present
NFC NFC supported NFC supported NFC not supported

battery Battery

Type Non-removable Li-Ion battery Non-removable Li-Po Battery
Battery Charging 10W
Non-removable Li-Po Battery
Battery Charging 10W
Capacity 3500 mAh 5000 mAh 5000 mAh
Stand by - - -
Talk Time - - -