Product
Vivo Y51 (2020, September)
Vivo Y51 (2020, September)
Samsung Galaxy M16
Samsung Galaxy M16
Battery
Charging 18W wired 25W wired
Type 4500 mAh 5000 mAh
Body
Build - Glass front, plastic back, plastic frame
Dimensions 159.3 x 75.2 x 8.7 mm (6.27 x 2.96 x 0.34 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 186.7 g (6.60 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 1080 x 2340 pixels, 19.5:9 ratio (~404 ppi density) 1080 x 2340 pixels, 19.5:9 ratio (~385 ppi density)
Size 6.38 inches, 99.9 cm2 (~83.4% screen-to-body ratio) 6.7 inches, 110.2 cm2 (~86.0% screen-to-body ratio)
Type Super AMOLED Super AMOLED, 90Hz, 800 nits (HBM)
Features
Sensors Fingerprint (under display, optical), accelerometer, gyro, proximity, compass Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Launch
Announced 2020, September 15 2025, February 27
Status Available. Released 2020, September 19 Available. Released 2025, March 05
Main Camera
Features LED flash, HDR, panorama LED flash, panorama, HDR
Quad 48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 120˚, (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) -
Triple - 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, gyro-EIS 1080p@30fps, gyro-EIS
Memory
Card slot microSDXC (uses shared SIM slot) microSDXC (uses shared SIM slot)
Internal 128GB 4GB RAM 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
Misc
Colors Mystic Black, Jazzy Blue, Dreamy White Thunder Black, MInt Green, Blush Pink
Models - 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 SDM665 Snapdragon 665 (11 nm) Mediatek Dimensity 6300 (6 nm)
CPU Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver) Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU Adreno 610 Mali-G57 MC2
OS Android 10, Funtouch 10 Android 15, up to 6 major Android upgrades, One UI 7
Selfie camera
Features HDR -
Single 16 MP, f/2.0, (wide), 1/3.06" 1.0µm 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