Samsung Galaxy M21 vs Oppo A3 5G
Product
Price
219 USD
219 USD
Status
Available
Available
Brand
Samsung Mobile
Oppo Mobiles
Model No
Galaxy M21
CPH2683
Launch Date
2020, March 23
2024, August 20
Website
Technology
GSM / HSPA / LTE
GSM / HSPA / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
HSDPA 850 / 900 / 1900 / 2100
HSDPA 900 / 2100
4G bands
1, 3, 5, 7, 8, 20, 38, 40, 41
1, 3, 5, 8, 28, 40, 41
Speed
HSPA 42.2/5.76 Mbps, LTE-A
HSPA, LTE, 5G
5G bands
1, 3, 5, 8, 28, 41, 77, 78 SA/NSA
Dimensions
159 x 75.1 x 8.9 mm (6.26 x 2.96 x 0.35 in)
165.7 x 76 x 7.7 mm (6.52 x 2.99 x 0.30 in)
Weight
188 g (6.63 oz)
187 g (6.60 oz)
Build
Corning Gorilla Glass 3
Panda glass
IP54, dust and splash resistant
MIL-STD-810H compliant*
* does not guarantee ruggedness or use in extreme conditions
SIM
Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
Dual SIM (Nano-SIM, dual stand-by)
Colors
Midnight Blue, Raven Black
Ocean Blue, Nebula Red
Type
Super AMOLED, 420 nits (typ)
IPS LCD, 120Hz, 1000 nits (HBM)
Size
6.4 inches, 100.5 cm2 (~84.2% screen-to-body ratio)
6.67 inches, 107.2 cm2 (~85.2% screen-to-body ratio)
Resolution
1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)
720 x 1604 pixels, 20:9 ratio (~264 ppi density)
OS
Android 10, One UI 2.1
Android 14, ColorOS 14
Chipset
Exynos 9611 (10nm)
Mediatek Dimensity 6300 (6 nm)
CPU
Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
Mali-G72 MP3
Mali-G57 MC2
RAM
4GB/6GB
4GB/6GB
Storage
64GB/128GB
128GB
eMMC 5.1
Card Slot
microSDXC (dedicated slot)
microSDXC
Lens 1
48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF
50 MP, f/1.8, (wide), PDAF
Lens 2
8 MP, f/2.2, 12mm (ultrawide), 1/4.0", 1.12µm
Auxiliary lens
Lens 3
5 MP, f/2.2, (depth)
Features
Exposure compensation, ISO control, LED flash, panorama, HDR, Continuos Shooting, High Dynamic Range mode (HDR)
LED flash, HDR, panorama
Video
4K@30fps, 1080p@30fps, gyro-EIS
1080p@30/60fps
Lens 1
20 MP, f/2.0, 26mm (wide)
5 MP, f/2.2, (wide)
Features
HDR
Video
1080p@30fps
1080p@30fps
Capacity
Non-removable Li-Po 6000 mAh battery
5100 mAh, non-removable
Charging
45W wired, PD2.0, 50% in 30 min (advertised)
Sensors
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Fingerprint (side-mounted), accelerometer, proximity, compass
Loudspeaker
Yes
Yes
3.5mm jack
Yes
Yes
WLAN
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
Bluetooth
5.0, A2DP, LE
5.3, A2DP, LE
GPS
Yes, with A-GPS, GLONASS, BDS
GPS, GALILEO, GLONASS, BDS, QZSS
NFC
No
Radio
FM radio, RDS, recording
USB
USB Type-C 2.0
USB Type-C 2.0, OTG

