Product
Xiaomi Mi 4i
Xiaomi Mi 4i
Xiaomi Mi 5c
Xiaomi Mi 5c
Battery
Charging 10W wired, QC1 18W wired, QC3
Talk time Up to 35 h (3G) -
Type Li-Ion 3120 mAh, non-removable Li-Ion 2860 mAh, non-removable
Body
Build Glass front (Gorilla Glass), plastic back, plastic frame Glass front, aluminum back, aluminum frame
Dimensions 138.1 x 69.6 x 7.8 mm (5.44 x 2.74 x 0.31 in) 144.4 x 69.7 x 7.1 mm (5.69 x 2.74 x 0.28 in)
SIM Dual SIM (Micro-SIM, dual stand-by) Nano-SIM + Nano-SIM
Weight 130 g (4.59 oz) 135 g (4.76 oz)
Comms
Bluetooth 4.1, A2DP 4.1, A2DP, LE
Infrared port - Yes
NFC No No
Positioning GPS, GLONASS, BDS GPS, GLONASS, BDS
Radio Stereo FM radio FM radio
USB microUSB 2.0, OTG 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
Display
Protection Corning scratch-resistant glass -
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 (~71.7% screen-to-body ratio) 5.15 inches, 73.1 cm2 (~72.6% screen-to-body ratio)
Type IPS LCD IPS LCD
Features
Sensors Accelerometer, gyro, proximity, compass Fingerprint (front-mounted), accelerometer, gyro, proximity, compass
Launch
Announced 2015, April. Released 2015, April 2017, February. Released 2017, March
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, AF 12 MP, f/2.2, 27mm (wide), 1.25µm, PDAF
Video 1080p@30fps, 480p@120fps 1080p@30fps
Memory
Card slot No No
Internal 16GB 2GB RAM, 32GB 2GB RAM 64GB 3GB RAM
  eMMC 4.5 -
Misc
Colors Dark Gray, Black, White, Yellow, Blue, Pink Black, Gold, Rose Gold
Models 2015015 -
SAR 0.51 W/kg (head)     0.60 W/kg (body)     -
Network
2G bands GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands HSDPA 850 / 1900 / 2100 TD-SCDMA
4G bands 3, 7, 38, 39, 40, 41 38, 39, 40, 41
EDGE - Yes
GPRS - Yes
Speed HSPA, LTE Cat4 150/50 Mbps HSPA, LTE
Technology GSM / HSPA / LTE GSM / LTE
  TD-SCDMA -
Our Tests
Battery (old) Endurance rating 67h -
Camera Photo / Video -
Display Contrast ratio: 1055:1 (nominal), 2.641 (sunlight) -
Loudspeaker Voice 63dB / Noise 65dB / Ring 68dB -
Performance Basemark X: 4875 -
Platform
Chipset Qualcomm MSM8939 Snapdragon 615 (28 nm) Xiaomi Surge S1
CPU Octa-core (4x1.7 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53) Octa-core (4x2.2 GHz Cortex-A53 & 4x1.4 GHz Cortex-A53)
GPU Adreno 405 Mali-T860MP4
OS Android 5.0.2 (Lollipop), MIUI 8.2 Android 7.1 (Nougat), MIUI 8
Selfie camera
Single 5 MP, f/1.8 8 MP, f/2.0, 27mm (wide)
Video 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes