Product
Xiaomi Mi 4s
Xiaomi Mi 4s
Xiaomi Redmi 4 Prime
Xiaomi Redmi 4 Prime
Battery
Charging 18W wired, QC2, 40% in 60 min 10W wired
Type Li-Ion 3260 mAh, non-removable Li-Po 4100 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) 141.3 x 69.6 x 8.9 mm (5.56 x 2.74 x 0.35 in)
SIM Nano-SIM + Micro-SIM Hybrid Dual SIM
Weight 133 g (4.69 oz) 156 g (5.50 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 microUSB 2.0, OTG
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct
Display
Resolution 1080 x 1920 pixels, 16:9 ratio (~441 ppi density) 1080 x 1920 pixels, 16:9 ratio (~441 ppi density)
Size 5.0 inches, 68.9 cm2 (~69.9% screen-to-body ratio) 5.0 inches, 68.9 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, compass
Launch
Announced 2016, February. Released 2016, March 2016, November. Released 2016, November
Status Discontinued Discontinued
Main Camera
Features Dual-LED dual-tone flash, panorama, HDR Dual-LED dual-tone flash, HDR, panorama
Single 13 MP, f/2.0, PDAF 13 MP, f/2.2, PDAF
Video 1080p@30fps, 720p@120fps 1080p@30fps
Memory
Card slot microSDXC (uses shared SIM slot) microSDXC (uses shared SIM slot)
Internal 64GB 3GB RAM 32GB 3GB RAM
eMMC 5.0 eMMC 5.1
Misc
Colors Black, White, Gold, Pink Gold, Dark Gray, Silver
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, 7, 38, 39, 40, 41
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 / CDMA / HSPA / EVDO / LTE
TD-SCDMA CDMA2000 1xEV-DO & TD-SCDMA
Our Tests
Audio quality Noise -94.9dB / Crosstalk -82.6dB -
Battery (old) Endurance rating 75h Endurance rating 91h
Camera Photo / Video 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) 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 6.0.1 (Marshmallow), MIUI 8
Selfie camera
Single 5 MP, f/2.0 5 MP, f/2.2
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes