Product
Xiaomi Mi 4s
Xiaomi Mi 4s
Xiaomi Mi 5s
Xiaomi Mi 5s
Battery
Charging 18W wired, QC2, 40% in 60 min 18W wired, QC3
Type Li-Ion 3260 mAh, non-removable Li-Ion 3200 mAh, non-removable
Body
Build - Glass front, aluminum back, aluminum frame
Dimensions 139.3 x 70.8 x 7.8 mm (5.48 x 2.79 x 0.31 in) 145.6 x 70.3 x 8.3 mm (5.73 x 2.77 x 0.33 in)
SIM Nano-SIM + Micro-SIM Nano-SIM + Nano-SIM
Weight 133 g (4.69 oz) 145 g (5.11 oz)
Comms
Bluetooth 4.1, A2DP 4.2, A2DP, LE
Infrared port Yes -
NFC No Yes
Positioning GPS, GLONASS, BDS GPS, GLONASS, BDS
Radio No No
USB USB Type-C USB Type-C
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, DLNA
Display
Protection - To be confirmed
Resolution 1080 x 1920 pixels, 16:9 ratio (~441 ppi density) 1080 x 1920 pixels, 16:9 ratio (~428 ppi density)
Size 5.0 inches, 68.9 cm2 (~69.9% screen-to-body ratio) 5.15 inches, 73.1 cm2 (~71.4% screen-to-body ratio)
Type IPS LCD IPS LCD
  - 3D Touch display (128 GB, 4 GB RAM model)
Features
Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass Fingerprint (front-mounted), accelerometer, gyro, proximity, compass, barometer
Launch
Announced 2016, February. Released 2016, March 2016, September. Released 2016, October
Status Discontinued Discontinued
Main Camera
Features Dual-LED dual-tone flash, panorama, HDR Dual-LED dual-tone flash, panorama
Single 13 MP, f/2.0, PDAF 12 MP, f/2.0, 1/2.3", 1.55µm, PDAF
Video 1080p@30fps, 720p@120fps 4K@30fps, 1080p@120fps
Memory
Card slot microSDXC (uses shared SIM slot) No
Internal 64GB 3GB RAM 64GB 3GB RAM, 128GB 4GB RAM
  eMMC 5.0 -
Misc
Colors Black, White, Gold, Pink Silver, Gray, Gold, Rose Gold
Models - 2015711
SAR - 0.77 W/kg (head)     1.01 W/kg (body)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands HSDPA 850 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G bands 1, 3, 7, 38, 39, 40, 41 1, 3, 5, 7, 8, 38, 39, 40, 41
Speed HSPA, LTE Cat4 150/50 Mbps HSPA 42.2/5.76 Mbps, LTE (4CA) Cat12 600/150 Mbps
Technology GSM / CDMA / HSPA / LTE GSM / CDMA / HSPA / EVDO / LTE
  TD-SCDMA CDMA2000 1xEV-DO
Our Tests
Audio quality Noise -94.9dB / Crosstalk -82.6dB Noise -89.6dB / Crosstalk -85.5dB
Battery (old) Endurance rating 75h Endurance rating 84h
Camera Photo / Video Photo / Video
Display Contrast ratio: 975:1 (nominal), 2.095 (sunlight) Contrast ratio: 1294:1 (nominal), 3.276 (sunlight)
Loudspeaker Voice 73dB / Noise 68dB / Ring 82dB Voice 64dB / Noise 70dB / Ring 84dB
Performance Basemark OS II 2.0: 1545Basemark X: 12990 Basemark OS II 2.0: 2378Basemark X: 36240
Platform
Chipset Qualcomm MSM8992 Snapdragon 808 (20 nm) Qualcomm MSM8996 Snapdragon 821 (14 nm)
CPU Hexa-core (4x1.4 GHz Cortex-A53 & 2x1.8 GHz Cortex-A57) Quad-core (2x2.15 GHz Kryo & 2x1.6 GHz Kryo)
GPU Adreno 418 Adreno 530
OS Android 5.1 (Lollipop), upgradable to 7.0 (Nougat), MIUI 10 Android 6.0 (Marshmallow), upgradable to 7.0 (Nougat), MIUI 10
Selfie camera
Single 5 MP, f/2.0 4 MP, f/2.0, 1/3", 2µm
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes