Samsung Galaxy M21s vs Oppo A77s
Product
Price
239 USD
239 USD
Status
Available
Available
Brand
Samsung Mobile
Oppo Mobiles
Model No
Galaxy M21s
CPH2473
Launch Date
2020, November 06
2022, October 07
Technology
GSM / HSPA / LTE
GSM / HSPA / LTE
2G bands
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
HSDPA 850 / 900 / 2100
4G bands
LTE
1, 3, 5, 7, 8, 28, 38, 40, 41
Speed
HSPA 42.2/5.76 Mbps, LTE-A
HSPA 42.2/5.76 Mbps, LTE
Dimensions
159.2 x 75.1 x 8.9 mm (6.27 x 2.96 x 0.35 in)
163.8 x 75 x 8 mm (6.45 x 2.95 x 0.31 in)
Weight
191 g (6.74 oz)
187 g / 190 g (6.60 oz)
Build
Glass front (Gorilla Glass 3), plastic back, plastic frame
Glass front, plastic frame, plastic back or eco leather back
SIM
Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
Dual SIM (Nano-SIM, dual stand-by)
Colors
Blue, Black
Sunset Orange, Starry Black
Type
Super AMOLED, 420 nits (typ)
IPS LCD, 90Hz, 480 nits (typ), 600 nits (HBM)
Size
6.4 inches, 100.5 cm2 (~84.1% 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 10, One UI 2.5
Android 12, ColorOS 12.1
Chipset
Exynos 9611 (10nm)
Qualcomm SM6225 Snapdragon 680 4G (6 nm)
CPU
Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
Octa-core (4x2.4 GHz Kryo 265 Gold & 4x1.9 GHz Kryo 265 Silver)
GPU
Mali-G72 MP3
Adreno 610
RAM
4GB/6GB
8GB
Storage
64GB/128GB
128GB
Card Slot
microSDXC
microSDXC
Lens 1
64 MP, (wide), PDAF
50 MP, f/1.8, 27mm (wide), PDAF
Lens 2
8 MP, f/2.2, 12mm (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, gyro-EIS
1080p@30fps
Lens 1
32 MP
8 MP, f/2.0, 26mm (wide)
Features
HDR
Panorama
Video
1080p@30fps
1080p@30fps
Capacity
Li-Po 6000 mAh, non-removable
Li-Po 5000 mAh, non-removable
Charging
Fast charging 15W
Fast charging 33W, 100% in 69 min (advertised)
Sensors
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Fingerprint (side-mounted), accelerometer, proximity, compass
Loudspeaker
Yes
Yes, with stereo speakers
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, Wi-Fi Direct, hotspot
Bluetooth
5.0, A2DP, LE
5.0, A2DP, LE, aptX HD
GPS
Yes, with A-GPS, GLONASS, BDS
Yes, with A-GPS, GLONASS, BDS, GALILEO, QZSS
NFC
No
Yes
Radio
FM radio, RDS, recording
No
USB
USB Type-C 2.0
USB Type-C 2.0, USB On-The-Go