Phone Comparison - Samsung Galaxy A21s vs Samsung Galaxy A32 vs Oppo A57

general General Info

Manufacturer Samsung Samsung Oppo
Announced Expected Announcement - May 2020 February 2021 April 2022
Status Rumored Available - February 2021 Coming Soon - April 2022
Colors Black, White, Blue Awesome Black, Awesome White, Awesome Blue, Awesome Violet Black, Blue, Lilac
Form Factor Candybar Candybar Candybar
Dimension 8.9 mm thickness
(0.35 in thickness)
158.9 x 73.6 x 8.4 mm
(6.26 x 2.9 x 0.33 in)
163.8 x 75.1 x 8 mm
(6.45 x 2.96 x 0.31 in)
Weight 191 g (6.74 oz) 184 g (6.49 oz) 186 g (6.56 oz)
SIM Type Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM), Hybrid 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 (dual-SIM model only) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA2000 1x
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 800 / 850 / 900 / 1900 / 2100
4G Network LTE LTE 1, 3, 5, 7, 8, 28, 34, 38, 39, 40, 41
5G Network - - 1, 5, 8, 28, 41, 77, 78 SA/NSA
SAR EU - W/kg (head)
- W/kg (body)
0.45 W/kg (head)
1.30 W/kg (body)
- W/kg (head)
- W/kg (body)
Messaging
Build Features - Fingerprint Sensor
- Fingerprint Sensor (under display, optical)
- Fingerprint Sensor (side-mounted)

hardware Hardware and OS

OS Android 10.0 Android 11 Android 12
User Interface One UI 2.0 One UI 3.0 ColorOS 12.1
Processor Octa-core 2.0 GHz, Exynos 850 Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55), Mediatek Helio G80 (12 nm) Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55), MediaTek MT6833P Dimensity 810 5G (6 nm)
GPU - Mali-G52 MC2 Mali-G57 MC2
RAM 3 GB 8 GB 8 GB
Internal Memory 64 GB 128 GB 128 GB
External Memory microSDXC microSDXC (uses shared SIM slot) microSDXC

display Display

Type PLS TFT Capacitive Touchscreen Super AMOLED
90Hz Refresh Rate
800 nits (peak)
Corning Gorilla Glass 5
HD+ IPS LCD Screen
90Hz Refresh Rate
480 nits (typ), 600 nits (HBM)
Colors 16M colors 16M Colour 16M colors
Size 6.55 inches 6.4 inches 6.56 inches
Resolution 720 x 1600 pixels (268 ppi) 1080 x 2400 pixels (411 ppi) 720 x 1612 pixels (269 ppi)
Screen-to-Body Ratio - 84.65% 84.12%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 48 MP + 8 MP + 2 MP 64 MP + 8 MP + 5 MP + 5 MP 13 MP + 2 MP
Flash LED Flash No 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
64 MP, f/1.8, 26mm (wide), PDAF
8 MP, f/2.2, 123˚, (ultrawide), 1/4.0", 1.12µm
5 MP, f/2.4, (macro)
5 MP, f/2.4, (depth)
panorama, HDR
13 MP, f/2.2, 26mm (wide), 1/3.06", 1.12µm, AF
2 MP, f/2.4, (depth)
HDR, Panorama
Video 1080p@30fps 4K@30fps, 1080p@30/120fps 1080p@30fps
Front Camera 13 MP, f/2.3, 29mm (normal), 1/3.1", 1.12µm
HDR, Panorama
1080p@30fps [Similar]
20 MP, f/2.2, 0.8µm
1080p@30fps [Similar]
8 MP, f/2.0, 26mm (wide)
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-A HSPA 42.2/5.76 Mbps, LTE, 5G
Bluetooth 5.0, A2DP, LE 5.0, A2DP, LE 5.2, A2DP, LE, aptX HD
Wi-Fi Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
USB Yes USB Type-C 2.0, USB On-The-Go USB Type-C 2.0, USB On-The-Go
GPS Yes, with A-GPS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS, GALILEO, BDS, QZSS
Browser Yes Yes Yes

memory User Memory

Internal 64 GB, 3 GB RAM or 32 GB, 3 GB RAM 128 GB, 8 GB RAM or 128 GB, 6 GB RAM or 128 GB, 4 GB RAM or 64 GB, 4 GB RAM 128 GB, 8 GB RAM or 128 GB, 6 GB RAM UFS 2.2/2.1
Expandable Storage microSDXC microSDXC (uses shared SIM slot) microSDXC
USB OTG Supported Supported 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 not present magnetic field sensor present magnetic field sensor present
Gyroscope Sensor gyroscope sensor not present gyroscope sensor not present gyroscope sensor 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
Fast battery charging 15W
Non-removable Li-Po Battery
Fast battery charging
Capacity 5000 mAh 5000 mAh 5000 mAh
Stand by - - -
Talk Time - - -