Samsung Galaxy M21 2021 vs Oppo A38
Product
Price
170 USD
170 USD
Status
Discontinued
Available
Brand
Samsung Mobile
Oppo Mobiles
Model No
Samsung Galaxy M21 2021
CPH2579
Launch Date
2021, July 26
2023, September 04
Technology
GSM / HSPA / LTE
GSM / HSPA / LTE
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 850 / 900 / 2100
4G bands
1, 3, 5, 7, 8, 20, 38, 40, 41
1, 3, 5, 7, 8, 20, 28, 38, 40, 41
Speed
HSPA 42.2/5.76 Mbps, LTE-A
HSPA, LTE
Dimensions
159 x 75.1 x 9 mm (6.26 x 2.96 x 0.35 in)
163.7 x 75 x 8.2 mm (6.44 x 2.95 x 0.32 in)
Weight
192 g (6.77 oz)
190 g (6.70 oz)
Build
Glass front, plastic back, plastic frame
IP54, dust and splash resistant
SIM
Dual SIM (Nano-SIM, dual stand-by)
Dual SIM (Nano-SIM, dual stand-by)
Colors
Charcoal Black, Arctic Blue
Glowing Black, Glowing Gold
Type
Super AMOLED, 420 nits (peak)
IPS LCD, 90Hz, 720 nits (peak)
Size
6.4 inches, 100.5 cm2 (~84.2% screen-to-body ratio)
6.56 inches, 103.4 cm2 (~84.2% screen-to-body ratio)
Resolution
1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)
720 x 1612 pixels, 20:9 ratio (~269 ppi density)
OS
Android 11, One UI 3.1 Core
Android 13, ColorOS 13.1
Chipset
Android 11, One UI 3.1 Core
Mediatek MT6769 Helio G85 (12nm)
CPU
Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU
Mali-G72 MP3
Mali-G52 MC2
RAM
4GB/6GB
4GB
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, 123˚ (ultrawide), 1/4.0", 1.12µm
2 MP, f/2.4, (depth)
Lens 3
5 MP, f/2.2, (depth)
Features
LED flash, panorama, HDR
LED flash, HDR, panorama
Video
4K@30fps, 1080p@30fps, 720p@240fps, gyro-EIS
1080p@30fps
Lens 1
20 MP, f/2.2, 26mm (wide)
5 MP, f/2.2, (wide)
Features
HDR
Video
1080p@30fps
1080p@30fps
Capacity
Li-Po 6000 mAh, non-removable
Li-Po 5000 mAh, non-removable
Charging
Fast charging 15W
33W wired, PD, 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, aptX HD
GPS
Yes, with A-GPS, GLONASS, GALILEO, 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