Phone Comparison - Samsung Galaxy A21s vs Oppo Reno4 5G vs Oppo A74

general General Info

Manufacturer Samsung Oppo Oppo
Announced Expected Announcement - May 2020 June 2020 2021, April 01
Status Rumored Coming Soon - June 2020 Coming soon. Exp. release 2021, April
Colors Black, White, Blue Black, Blue, Purple Prism Black, Midnight Blue
Form Factor Candybar Candybar Candybar
Dimension 8.9 mm thickness
(0.35 in thickness)
159.3 x 74 x 7.8 mm
(6.27 x 2.91 x 0.31 in)
160.3 x 73.8 x 8 mm
(6.31 x 2.91 x 0.31 in)
Weight 191 g (6.74 oz) 183 g (6.46 oz) 175 g (6.17 oz)
SIM Type Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) 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
CDMA2000 1xEV-DO
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network LTE 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 34, 38, 39, 40, 41 LTE 1, 3, 5, 8, 38, 40, 41
5G Network - 1, 3, 41, 78, 79 SA/NSA -
Messaging
Build Features - Fingerprint Sensor
- Fingerprint Sensor (under display, optical)
Glass front (Gorilla Glass 6), glass back (Gorilla Glass 6), aluminum frame
- Fingerprint Sensor (under display, optical)

hardware Hardware and OS

OS Android 10.0 Android 10 Android 11
User Interface One UI 2.0 ColorOS 7.2 ColorOS 11.1
Processor Octa-core 2.0 GHz, Exynos 850 Octa-core (1x2.4 GHz Kryo 475 Prime & 1x2.2 GHz Kryo 475 Gold & 6x1.8 GHz Kryo 475 Silver), Qualcomm SDM765 Snapdragon 765G (7 nm) Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver), Qualcomm SM6115 Snapdragon 662 (11 nm)
GPU - Adreno 620 Adreno 610
RAM 3 GB 8 GB 6 GB
Internal Memory 64 GB 256 GB 128 GB
External Memory microSDXC No microSDXC

display Display

Type PLS TFT Capacitive Touchscreen AMOLED Capacitive Touchscreen
Corning Gorilla Glass 6
430 nits typ. brightness (advertised)
FHD+ AMOLED Screen
430 nits (typ), 800 nits (peak)
Colors 16M colors 16M colors 16M Colour
Size 6.55 inches 6.43 inches 6.43 inches
Resolution 720 x 1600 pixels (268 ppi) 1080 x 2400 pixels (409 ppi) 1080 x 2400 pixels (409 ppi)
Screen-to-Body Ratio - 84.80% 84.50%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 48 MP + 8 MP + 2 MP 48 MP + 8 MP + 2 MP 48 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
48 MP, f/1.7, 26mm (wide), 1/2.0", 0.8µm, PDAF
8 MP, f/2.2, 119˚ (ultrawide), 1/4.0", 1.12µm
2 MP, f/2.4, (depth)
HDR, Panorama
48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF
2 MP, f/2.4, (macro)
2 MP, f/2.4, (depth)
HDR, panorama
Video 1080p@30fps 4K@30fps, 1080p@30/60/120fps; gyro-EIS, HDR 1080p@30fps
Front Camera 13 MP, f/2.3, 29mm (normal), 1/3.1", 1.12µm
HDR, Panorama
1080p@30fps [Similar]
32 MP, f/2.4, 26mm (wide), 1/2.8", 0.8µm
2 MP, f/2.4, (depth)
HDR
1080p@30fps, gyro-EIS [Similar]
16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm
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-A HSPA 42.2/5.76 Mbps, LTE-A, 5G 3.7/1.6 Gbps HSPA 42.2/5.76 Mbps, LTE-A
Bluetooth 5.0, A2DP, LE 5.1, A2DP, LE, aptX HD 5.0, A2DP, LE, aptX
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 3.1, Type-C 1.0 reversible connector, USB On-The-Go USB Type-C, USB On-The-Go
GPS Yes, with A-GPS Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO, QZSS 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 256 GB, 8 GB RAM or 128 GB, 8 GB RAM (UFS 2.1) 128 GB, 6 GB RAM (UFS 2.1)
Expandable Storage microSDXC No 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 present gyroscope sensor present
NFC NFC supported NFC supported NFC not supported

battery Battery

Type Non-removable Li-Po Battery
Battery Charging 10W
Non-removable Li-Po Battery
Fast charging 65W, 60% in 15 min, 100% in 36 min (advertised)
SuperVOOC 2.0
Non-removable Li-Po Battery
Fast battery charging 33W, 54% in 30 min (advertised)
SuperVOOC 2.0
Capacity 5000 mAh 4000 mAh 5000 mAh
Stand by - - -
Talk Time - - -