Product
Xiaomi Mi 4s
Xiaomi Mi 4s
Samsung Galaxy M16
Samsung Galaxy M16
Battery
Charging 18W wired, QC2, 40% in 60 min 25W wired
Type Li-Ion 3260 mAh, non-removable 5000 mAh
Body
Build - Glass front, plastic back, plastic frame
Dimensions 139.3 x 70.8 x 7.8 mm (5.48 x 2.79 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 + Micro-SIM Nano-SIM + Nano-SIM
Weight 133 g (4.69 oz) 191 g (6.74 oz)
  - IP54 dust protected and water resistant (water splashes)
Comms
Bluetooth 4.1, A2DP 5.3, A2DP, LE
Infrared port Yes -
NFC No Yes
Positioning GPS, GLONASS, BDS GPS, GALILEO, GLONASS, BDS, QZSS
Radio No No
USB USB Type-C USB Type-C 2.0
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
Display
Resolution 1080 x 1920 pixels, 16:9 ratio (~441 ppi density) 1080 x 2340 pixels, 19.5:9 ratio (~385 ppi density)
Size 5.0 inches, 68.9 cm2 (~69.9% 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 (rear-mounted), accelerometer, gyro, proximity, compass Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Launch
Announced 2016, February. Released 2016, March 2025, February 27
Status Discontinued Available. Released 2025, March 05
Main Camera
Features Dual-LED dual-tone flash, panorama, HDR LED flash, panorama, HDR
Single 13 MP, f/2.0, PDAF -
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, 720p@120fps 1080p@30fps, gyro-EIS
Memory
Card slot microSDXC (uses shared SIM slot) microSDXC (uses shared SIM slot)
Internal 64GB 3GB RAM 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
  eMMC 5.0 -
Misc
Colors Black, White, Gold, Pink 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 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 3, 7, 38, 39, 40, 41 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 Cat4 150/50 Mbps HSPA, LTE, 5G
Technology GSM / CDMA / HSPA / LTE GSM / HSPA / LTE / 5G
  TD-SCDMA -
Our Tests
Audio quality Noise -94.9dB / Crosstalk -82.6dB -
Battery (old) Endurance rating 75h -
Camera Photo / Video -
Display Contrast ratio: 975:1 (nominal), 2.095 (sunlight) -
Loudspeaker Voice 73dB / Noise 68dB / Ring 82dB -
Performance Basemark OS II 2.0: 1545Basemark X: 12990 -
Platform
Chipset Qualcomm MSM8992 Snapdragon 808 (20 nm) Mediatek Dimensity 6300 (6 nm)
CPU Hexa-core (4x1.4 GHz Cortex-A53 & 2x1.8 GHz Cortex-A57) Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU Adreno 418 Mali-G57 MC2
OS Android 5.1 (Lollipop), upgradable to 7.0 (Nougat), MIUI 10 Android 15, up to 6 major Android upgrades, One UI 7
Selfie camera
Single 5 MP, f/2.0 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