Product
Xiaomi Mi 4s
Xiaomi Mi 4s
Xiaomi Mi A1 (Mi 5X)
Xiaomi Mi A1 (Mi 5X)
Battery
Charging 18W wired, QC2, 40% in 60 min 10W wired
Type Li-Ion 3260 mAh, non-removable Li-Po 3080 mAh, non-removable
Body
Build - Glass front (Gorilla Glass 3), aluminum back, aluminum frame
Dimensions 139.3 x 70.8 x 7.8 mm (5.48 x 2.79 x 0.31 in) 155.4 x 75.8 x 7.3 mm (6.12 x 2.98 x 0.29 in)
SIM Nano-SIM + Micro-SIM Nano-SIM + Nano-SIM
Weight 133 g (4.69 oz) 165 g (5.82 oz)
Comms
Bluetooth 4.1, A2DP 4.2, A2DP, LE
Infrared port Yes Yes
NFC No No
Positioning GPS, GLONASS, BDS GPS, GLONASS, BDS
Radio No FM radio
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
Protection - Corning Gorilla Glass 3
Resolution 1080 x 1920 pixels, 16:9 ratio (~441 ppi density) 1080 x 1920 pixels, 16:9 ratio (~403 ppi density)
Size 5.0 inches, 68.9 cm2 (~69.9% screen-to-body ratio) 5.5 inches, 82.6 cm2 (~70.1% screen-to-body ratio)
Type IPS LCD IPS LCD
Features
Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass Fingerprint (rear-mounted), accelerometer, gyro, proximity
Launch
Announced 2016, February. Released 2016, March 2017, September. Released 2017, September
Status Discontinued Discontinued
Main Camera
Dual -
Features Dual-LED dual-tone flash, panorama, HDR Dual-LED dual-tone flash, HDR, panorama
Single 13 MP, f/2.0, PDAF -
Video 1080p@30fps, 720p@120fps 4K@30fps, 1080p@30fps, 720p@120fps
Memory
Card slot microSDXC (uses shared SIM slot) microSDXC (uses shared SIM slot)
Internal 64GB 3GB RAM 32GB 4GB RAM, 64GB 4GB RAM
eMMC 5.0 eMMC 5.1
Misc
Colors Black, White, Gold, Pink Black, Gold, Rose Gold, Red
Models - MDG2, MDI2
SAR -
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, 20, 38, 40
Speed HSPA, LTE Cat4 150/50 Mbps HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
Technology GSM / CDMA / HSPA / LTE GSM / HSPA / LTE
TD-SCDMA -
Our Tests
Audio quality Noise -94.9dB / Crosstalk -82.6dB Noise -91.0dB / Crosstalk -82.5dB
Battery (old) Endurance rating 75h Endurance rating 87h
Camera Photo / Video Photo / Video
Display Contrast ratio: 975:1 (nominal), 2.095 (sunlight) Contrast ratio: 1570:1 (nominal), 2.689 (sunlight)
Loudspeaker Voice 73dB / Noise 68dB / Ring 82dB Voice 74dB / Noise 73dB / Ring 90dB
Performance Basemark OS II 2.0: 1545Basemark X: 12990 GeekBench: 4292 (v4.4) GFXBench: 3.5fps (ES 3.1 onscreen)
Platform
Chipset Qualcomm MSM8992 Snapdragon 808 (20 nm) Qualcomm MSM8953 Snapdragon 625 (14 nm)
CPU Hexa-core (4x1.4 GHz Cortex-A53 & 2x1.8 GHz Cortex-A57) Octa-core 2.0 GHz Cortex-A53
GPU Adreno 418 Adreno 506
OS Android 5.1 (Lollipop), upgradable to 7.0 (Nougat), MIUI 10 Android 7.1.2 (Nougat), upgradable to Android 9.0 (Pie), Android One
Selfie camera
Single 5 MP, f/2.0 5 MP
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes