vivo Y21G vs ZTE nubia A57
Product
Price
170 USD
170 USD
Status
Available
Available
Brand
Vivo Mobiles
ZTE Mobiles
Model No
vivo Y21G
ZTE nubia A57
Launch Date
2022, April 07
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 / 2100
HSDPA 850 / 900 / 1900 / 2100
4G bands
1, 3, 5, 8, 38, 40, 41
LTE
Speed
HSPA 42.2/5.76 Mbps, LTE
HSPA, LTE
Dimensions
164.3 x 76.1 x 8 mm (6.47 x 3.00 x 0.31 in)
160.1 x 70.4 x 8 mm (6.30 x 2.77 x 0.31 in)
Weight
182 g (6.42 oz)
193 g (6.81 oz)
Build
Glass front, plastic frame, plastic back
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
Diamond Glow, Midnight Blue
Silver, Black, Orange
Type
IPS LCD
IPS LCD, 120Hz, 740 nits (HBM)
Size
6.51 inches, 102.3 cm2 (~81.8% screen-to-body ratio)
6.75 inches, 111.4 cm2 (~98.8% screen-to-body ratio)
Resolution
720 x 1600 pixels, 20:9 ratio (~270 ppi density)
720 x 1570 pixels, 19.5:9 ratio (~256 ppi density)
OS
Android 11, Funtouch 11.1
Android 16
Chipset
Mediatek MT6769 Helio G70 (12 nm)
Unisoc T7250 (12 nm)
CPU
Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55)
Octa-core (2x1.8 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
GPU
Mali-G52 2EEMC2
Mali-G57 MP1
RAM
4GB
4GB
Storage
64GB
64GB/128GB
Card Slot
microSDXC (dedicated slot)
microSDXC
Lens 1
13 MP, f/2.2, (wide), PDAF
13 MP
Lens 2
2 MP, f/2.4, (macro)
Features
LED flash, Photo, Portrait (basic), Video, Pano, Live Photo, Time-Lapse, Pro, DOC
LED flash, HDR, panorama
Video
1080p@30fps
1080p@30fps
Lens 1
8 MP, f/2.0, (wide)
8 MP
Video
1080p@30fps
1080p@30fps
Capacity
Li-Po 5000 mAh, non-removable
5000 mAh
Charging
Fast charging 18W
22.5W wired
Bypass charging
Sensors
Fingerprint (side-mounted), accelerometer, 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
USB
USB Type-C 2.0, USB On-The-Go
USB Type-C 2.0