Product
Vivo Y21t
Vivo Y21t
Samsung Galaxy M16
Samsung Galaxy M16
Battery
Charging 18W wired 2.5W reverse wired 25W wired
Type 5000 mAh 5000 mAh
Body
Build Glass front, plastic frame, plastic back Glass front, plastic back, plastic frame
Dimensions 164.3 x 76.1 x 8 mm (6.47 x 3.00 x 0.31 in) 164.4 x 77.9 x 7.9 mm (6.47 x 3.07 x 0.31 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 182 g (6.42 oz) 191 g (6.74 oz)
  - IP54 dust protected and water resistant (water splashes)
Comms
Bluetooth 5.0, A2DP, LE 5.3, A2DP, LE
NFC No Yes
Positioning GPS, GLONASS, GALILEO, BDS GPS, GALILEO, GLONASS, BDS, QZSS
Radio FM radio No
USB USB Type-C 2.0, OTG USB Type-C 2.0
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Display
Resolution 720 x 1600 pixels, 20:9 ratio (~270 ppi density) 1080 x 2340 pixels, 19.5:9 ratio (~385 ppi density)
Size 6.51 inches, 102.3 cm2 (~81.8% screen-to-body ratio) 6.7 inches, 110.2 cm2 (~86.0% screen-to-body ratio)
Type IPS LCD Super AMOLED, 90Hz, 800 nits (HBM)
Features
Sensors Fingerprint (side-mounted), accelerometer, proximity, compass Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Launch
Announced 2022, January 03 2025, February 27
Status Available. Released 2022, January 10 Available. Released 2025, March 05
Main Camera
Features LED flash LED flash, panorama, HDR
Triple 50 MP, f/1.8, (wide), PDAF 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) 50 MP, f/1.8, (wide), 1/2.76", 0.64µm, AF 5 MP, f/2.2, (ultrawide), 1/5.0", 1.12µm 2 MP, f/2.4, (macro)
Video 1080p@30fps 1080p@30fps, gyro-EIS
Memory
Card slot microSDXC (dedicated slot) microSDXC (uses shared SIM slot)
Internal 128GB 4GB RAM, 128GB 6GB RAM 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
Misc
Colors Midnight Blue, Pearl White Thunder Black, MInt Green, Blush Pink
Models V2135 SM-M166P, SM-M166P/DS
SAR - 1.08 W/kg (head)    
SAR EU - 0.99 W/kg (head)     1.19 W/kg (body)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 3, 5, 8, 40 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 38, 40, 41, 66
5G bands - 1, 3, 5, 7, 8, 28, 40, 41, 66, 77, 78 SA/NSA/Sub6
Speed HSPA, LTE HSPA, LTE, 5G
Technology GSM / HSPA / LTE GSM / HSPA / LTE / 5G
Platform
Chipset Qualcomm SM6225 Snapdragon 680 4G (6 nm) Mediatek Dimensity 6300 (6 nm)
CPU Octa-core (4x2.4 GHz Kryo 265 Gold & 4x1.9 GHz Kryo 265 Silver) Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU Adreno 610 Mali-G57 MC2
OS Android 11, Funtouch 12 Android 15, up to 6 major Android upgrades, One UI 7
Selfie camera
Features HDR -
Single 8 MP, f/1.8, (wide) 13 MP, f/2.0, (wide), 1/3.1", 1.12µm
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes No
Loudspeaker Yes Yes