Product
Xiaomi Mi 4
Xiaomi Mi 4
Xiaomi Redmi 5 Plus (Redmi Note 5)
Xiaomi Redmi 5 Plus (Redmi Note 5)
Battery
Charging 18W wired, QC2 10W wired
Stand-by Up to 280 h (3G) -
Type Li-Ion 3080 mAh, non-removable Li-Po 4000 mAh, non-removable
Body
Build Glass front, plastic back, aluminum frame Glass front, aluminum/plastic back, aluminum frame
Dimensions 139.2 x 68.5 x 8.9 mm (5.48 x 2.70 x 0.35 in) 158.5 x 75.5 x 8.1 mm (6.24 x 2.97 x 0.32 in)
SIM Micro-SIM Nano-SIM + Nano-SIM
Weight 149 g (5.26 oz) 180 g (6.35 oz)
Comms
Bluetooth 4.0, A2DP 4.2, A2DP, LE
Infrared port Yes Yes
NFC No No
Positioning GPS, GLONASS, BDS GPS, GLONASS, BDS
Radio FM radio FM radio
USB microUSB 2.0, OTG microUSB 2.0
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct
Display
Resolution 1080 x 1920 pixels, 16:9 ratio (~441 ppi density) 1080 x 2160 pixels, 18:9 ratio (~403 ppi density)
Size 5.0 inches, 68.9 cm2 (~72.3% screen-to-body ratio) 5.99 inches, 92.6 cm2 (~77.4% screen-to-body ratio)
Type IPS LCD IPS LCD
Features
Sensors Accelerometer, gyro, proximity, compass, barometer Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Launch
Announced 2014, July. Released 2014, August 2018, February. Released 2018, February
Status Discontinued Discontinued
Main Camera
Features LED flash, panorama, HDR Dual-LED dual-tone flash, HDR, panorama
Single 13 MP, f/1.8, 1/3.1", 1.12µm, AF 12 MP, f/2.2, 1.25 μm, dual pixel PDAF
Video 4K@30fps, 1080p@30fps, 720p@120fps, HDR 4K@30fps, 1080p@30/60fps
Memory
Card slot No microSDXC (uses shared SIM slot)
Internal 16GB 2GB RAM, 64GB 3GB RAM 32GB 3GB RAM, 64GB 3GB RAM, 64GB 4GB RAM
  eMMC 5.0 eMMC 5.1
Misc
Colors Black, White Black, Gold, Blue, Rose Gold
Models 2014215 MEG7, MEI7
SAR 0.71 W/kg (head)     0.85 W/kg (body)     1.01 W/kg (head)     1.47 W/kg (body)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 - all versions GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands TD-SCDMA - 4G model HSDPA 850 / 900 / 1900 / 2100
4G bands 38, 39, 40 - 4G model 1, 3, 4, 5, 7, 8, 20, 38, 40 - Global
EDGE Yes -
GPRS Yes -
Speed HSPA, LTE, EV-DO Rev.A 3.1 Mbps HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
Technology GSM / CDMA / HSPA / EVDO / LTE GSM / HSPA / LTE
  CDMA2000 1xEV-DO - Telecom 3G model 1, 3, 5, 7, 8, 34, 38, 39, 40, 41 - China
Our Tests
Audio quality Noise -91.6dB / Crosstalk -49.7dB Noise -29.7dB / Crosstalk -91.8dB
Battery (old) Endurance rating 68h Endurance rating 104h
Camera Photo / Video Photo / Video
Display Contrast ratio: 929 (nominal), 2.424 (sunlight) Contrast ratio: 1431:1 (nominal), 2.913 (sunlight)
Loudspeaker Voice 62dB / Noise 62dB / Ring 66dB Voice 71dB / Noise 72dB / Ring 87dB
Performance - GeekBench: 4309 (v4.4) GFXBench: 3.4fps (ES 3.1 onscreen)
Platform
Chipset Qualcomm MSM8974AC Snapdragon 801 (28 nm) Qualcomm MSM8953 Snapdragon 625 (14 nm)
CPU Quad-core 2.5 GHz Krait 400 Octa-core 2.0 GHz Cortex-A53
GPU Adreno 330 Adreno 506
OS Android 4.4.3 (KitKat), upgradable to 6.0.1 (Marshmallow), MIUI 10 Android 7.1.2 (Nougat), planned upgrade to Android 10, MIUI 12
Selfie camera
Single 8 MP, f/1.8 5 MP
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes