Samsung Galaxy M21 2021 vs ZTE nubia A57
Product
Price
170 USD
170 USD
Status
Discontinued
Available
Brand
Samsung Mobile
ZTE Mobiles
Model No
Samsung Galaxy M21 2021
ZTE nubia A57
Launch Date
2021, July 26
2026, August 30
Technology
GSM / HSPA / LTE
GSM / HSPA / LTE
2G bands
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
GSM 850 / 900 / 1800 / 1900
3G bands
HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 900 / 1900 / 2100
4G bands
1, 3, 5, 7, 8, 20, 38, 40, 41
LTE
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)
160.1 x 70.4 x 8 mm (6.30 x 2.77 x 0.31 in)
Weight
192 g (6.77 oz)
193 g (6.81 oz)
Build
Glass front, plastic back, plastic frame
Glass front, plastic frame, plastic back
IP64 dust tight and water resistant (water splashes)
SIM
Dual SIM (Nano-SIM, dual stand-by)
Nano-SIM + Nano-SIM
Colors
Charcoal Black, Arctic Blue
Silver, Black, Orange
Type
Super AMOLED, 420 nits (peak)
IPS LCD, 120Hz, 740 nits (HBM)
Size
6.4 inches, 100.5 cm2 (~84.2% screen-to-body ratio)
6.75 inches, 111.4 cm2 (~98.8% screen-to-body ratio)
Resolution
1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)
720 x 1570 pixels, 19.5:9 ratio (~256 ppi density)
OS
Android 11, One UI 3.1 Core
Android 16
Chipset
Android 11, One UI 3.1 Core
Unisoc T7250 (12 nm)
CPU
Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
Octa-core (2x1.8 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
GPU
Mali-G72 MP3
Mali-G57 MP1
RAM
4GB/6GB
4GB
Storage
64GB/128GB
64GB/128GB
Card Slot
microSDXC (dedicated slot)
microSDXC
Lens 1
48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF
13 MP
Lens 2
8 MP, f/2.2, 123˚ (ultrawide), 1/4.0", 1.12µm
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)
8 MP
Features
HDR
Video
1080p@30fps
1080p@30fps
Capacity
Li-Po 6000 mAh, non-removable
5000 mAh
Charging
Fast charging 15W
22.5W wired
Bypass charging
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
5.2, A2DP, LE
GPS
Yes, with A-GPS, GLONASS, GALILEO, BDS
GPS, GALILEO, GLONASS
NFC
No
Radio
FM radio, RDS, recording
USB
USB Type-C 2.0
USB Type-C 2.0