Phone Comparison - Samsung Galaxy A7 (2017) vs Samsung Galaxy M21 vs Samsung Galaxy M12

general General Info

Manufacturer Samsung Samsung Samsung
Announced January 2017 2020, March 18 2021, February 05
Status Coming Soon - January 2017 Coming soon. Exp. release 2020, March 23 Coming soon. Exp. release 2021, February
Price Rs. 33,490 ($425.00) [Similarly Priced] Rs. 12,999 ($0.00) [Similarly Priced] -
Colors Black, White, Gold, Pink Midnight Blue, Raven Black Gray, Blue, Green
Form Factor Candybar Candybar Candybar
Dimension 156.8 x 77.6 x 7.9 mm
(6.17 x 3.06 x 0.31 in)
159 x 75.1 x 8.9 mm
(6.26 x 2.96 x 0.35 in)
163.9 x 75.9 x 8.9 mm
(6.45 x 2.99 x 0.35 in)
Weight - 188 g (6.63 oz) 221 g (7.8 oz)
SIM Type Dual-SIM Dual SIM (Nano-SIM, dual stand-by) 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 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800) LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500) LTE 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 38, 40, 41, 66
Messaging SMS, MMS, EMail, IM
Build Features - Fingerprint Sensor
- Fingerprint Sensor
- Fingerprint Sensor (side-mounted)
Notification LED Yes - -

hardware Hardware and OS

OS Android OS, v6.0.1 (Marshmallow) Android 10.0 Android 10
User Interface - One UI 2.0 One UI 2.5
Processor 1.9 GHz Quad-core Cortex-A72 & 1.3 GHz Quad-core Cortex-A53, Exynos 7880 Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53), Exynos 9611 (10nm) Octa-core (4x2.0 GHz Cortex-A55 & 4x2.0 GHz Cortex-A55), Exynos 850 (8nm)
GPU Mali-T860 MP4 Mali-G72 MP3 Mali-G52
RAM 3 GB 6 GB 6 GB
Internal Memory 32 GB 128 GB 128 GB
External Memory microSD, up to 256 GB microSDXC (dedicated slot) microSDXC (dedicated slot)

display Display

Type Super AMOLED Capacitive Touchscreen, Corning Gorilla Glass 4 Super AMOLED Capacitive Touchscreen
Corning Gorilla Glass 3
420 nits max brightness (advertised)
PLS IPS Display
Colors 16M colors 16M colors 16M Colour
Size 5.7 inches 6.4 inches 6.5 inches
Resolution 1080 x 1920 pixels (386 ppi) 1080 x 2340 pixels (403 ppi) 720 x 1600 pixels (270 ppi)
Screen-to-Body Ratio 73.79% 84.07% 81.95%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio FM radio FM radio, RDS, recording FM radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 16 MP 48 MP + 8 MP + 5 MP 48 MP + 5 MP + 2 MP + 2 MP
Flash LED Flash LED Flash LED flash
Features Phase Detection Autofocus, f/1.9, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR 48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF
8 MP, f/2.2, 12mm (ultrawide), 1/4.0", 1.12µm
5 MP, f/2.2, (depth)
Panorama, HDR
48 MP, f/2.0, (wide), PDAF
5 MP, f/2.2, 123˚ (ultrawide), 1/5.0", 1.12µm
2 MP, f/2.4, (macro)
2 MP, f/2.4, (depth)
panorama, HDR
Video 1080p@30fps 2160p@30fps, 1080p@30fps, gyro-EIS 1080p@30fps
Front Camera 16 MP [Similar] 20 MP, f/2.0, (wide), 1/2.8", 1.0μm
HDR
1080p@30fps [Similar]
8 MP, f/2.2, (Wide)
HDR
1080p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA 42.2/5.76 Mbps, LTE Cat6 300/50 Mbps, VoLTE HSPA, LTE-A HSPA 42.2/5.76 Mbps, LTE-A
Bluetooth v4.2, A2DP, EDR, LE, ANT+ 5.0, A2DP, LE 5.0, A2DP
Wi-Fi Wi-Fi 802.11 a/b/g/n, dual-band, WiFi Direct, hotspot 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
USB Type-C 1.0 reversible connector 2.0, Type-C 1.0 reversible connector USB Type-C 2.0
GPS Yes, with A-GPS, GLONASS/ BDS (market dependant) Yes, with A-GPS, GLONASS, BDS Yes, with A-GPS, GLONASS, GALILEO, BDS
Browser HTML5 Yes Yes

memory User Memory

Internal 32 GB, 3 GB RAM 128 GB, 6 GB RAM or 64 GB, 4 GB RAM (UFS 2.1) 128 GB, 6 GB RAM or 64 GB, 4 GB RAM or 32 GB, 3 GB RAM (eMMC 5.1)
Expandable Storage microSD, up to 256 GB microSDXC (dedicated slot) microSDXC (dedicated slot)
USB OTG Supported Supported Not Supported

Apps Sensors

Fingerprint fingerprint supported fingerprint supported fingerprint 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 present magnetic field sensor not present
NFC NFC supported NFC not supported NFC not supported

battery Battery

Type Non-removable Li-Ion battery Non-removable Li-Po Battery
Fast battery charging 15W
Non-removable Li-Po Battery
Fast battery charging 15W
Capacity 3600 mAh 6000 mAh 6000 mAh
Stand by - - -
Talk Time - - -