Phone Comparison - Samsung Galaxy A21s vs Samsung Galaxy A02 vs Samsung Galaxy A12

general General Info

Manufacturer Samsung Samsung Samsung
Announced Expected Announcement - May 2020 2021, January 27 2020, November 24
Status Rumored Available. Released 2021, January 27 Coming Soon - January 2021
Price - - Rs. 12,999 ($0.00) [Similarly Priced]
Colors Black, White, Blue Black, Blue, Red Black, White, Blue, Red
Form Factor Candybar Candybar Candybar
Dimension 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)
164 x 75.8 x 8.9 mm
(6.46 x 2.98 x 0.35 in)
Weight 191 g (6.74 oz) 206 g (7.27 oz) 205 g (7.23 oz)
SIM Type Single SIM (Nano-SIM), 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 only)
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 2100
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
HSDPA 850 / 900 / 1900 / 2100
4G Network 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) LTE (unspecified)
Messaging
Build Features - Fingerprint Sensor
- - Fingerprint Sensor (side-mounted)

hardware Hardware and OS

OS Android 10.0 Android 10 Android 10
User Interface One UI 2.0 One UI 2.5 -
Processor Octa-core 2.0 GHz, Exynos 850 Octa-core 1.8 GHz Cortex-A53, Qualcomm SM4250 Snapdragon 450 (11 nm) Octa-core (2.3 GHz, 1.8 GHz)
GPU - Adreno 506 -
RAM 3 GB 2 GB 4 GB
Internal Memory 64 GB 32 GB 128 GB
External Memory microSDXC microSDXC (dedicated slot) microSDXC

display Display

Type PLS TFT Capacitive Touchscreen PLS TFT Display HD+ TFT display
Colors 16M colors 16M Colour 16M Colour
Size 6.55 inches 6.5 inches 6.5 inches
Resolution 720 x 1600 pixels (268 ppi) 720 x 1520 pixels (259 ppi) 720 x 1560 pixels (264 ppi)
Screen-to-Body Ratio - 84.56% 83.64%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio - FM radio Unspecified
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 48 MP + 8 MP + 2 MP 13 MP + 2 MP 48 MP + 5 MP + 2 MP + 2 MP
Flash LED Flash LED Flash LED flash
Features 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)
48 MP, f/2.0, (wide), AF
5 MP, f/2.2, 115˚ (ultrawide)
2 MP, f/2.4, (macro)
2 MP, f/2.4, (depth)
panorama, HDR
Video 1080p@30fps 1080p@30fps 1080p@30fps
Front Camera 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] 8 MP, f/2.2
1080p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA 42.2/5.76 Mbps, LTE-A HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth 5.0, A2DP, LE 4.2, A2DP, LE Yes
Wi-Fi Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot Yes
USB Yes microUSB 2.0 USB Type-C 2.0
GPS Yes, with A-GPS Yes, with A-GPS, GLONASS, GALILEO, BDS Yes, with A-GPS, GLONASS, GALILEO, BDS
Browser Yes Yes Yes

memory User Memory

Internal 64 GB, 3 GB RAM or 32 GB, 3 GB RAM 32 GB, 2 GB RAM 128 GB, 4 GB RAM or 64 GB, 4 GB RAM or 64 GB, 3 GB RAM or 32 GB, 3 GB RAM
Expandable Storage microSDXC microSDXC (dedicated slot) microSDXC
USB OTG Supported Not Supported Not Supported

Apps Sensors

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

battery Battery

Type Non-removable Li-Po Battery
Battery Charging 10W
Non-removable Li-Po Battery
Battery Charging 10W
Non-removable Li-Po Battery
Fast battery charging 15W
Capacity 5000 mAh 5000 mAh 5000 mAh
Stand by - - -
Talk Time - - -