Product
Xiaomi Mi 4i
Xiaomi Mi 4i
Xiaomi Mi Max 2
Xiaomi Mi Max 2
Battery
Charging 10W wired, QC1 18W wired, QC3
Talk time Up to 35 h (3G) -
Type Li-Ion 3120 mAh, non-removable Li-Ion 5300 mAh, non-removable
Body
Build Glass front (Gorilla Glass), plastic back, plastic frame Glass front (Gorilla Glass 3), aluminum back, aluminum frame
Dimensions 138.1 x 69.6 x 7.8 mm (5.44 x 2.74 x 0.31 in) 174.1 x 88.7 x 7.6 mm (6.85 x 3.49 x 0.30 in)
SIM Dual SIM (Micro-SIM, dual stand-by) Nano-SIM + Micro-SIM
Weight 130 g (4.59 oz) 211 g (7.44 oz)
Comms
Bluetooth 4.1, A2DP 4.2, 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, DLNA
Display
Protection Corning scratch-resistant glass Corning Gorilla Glass 3
Resolution 1080 x 1920 pixels, 16:9 ratio (~441 ppi density) 1080 x 1920 pixels, 16:9 ratio (~342 ppi density)
Size 5.0 inches, 68.9 cm2 (~71.7% screen-to-body ratio) 6.44 inches, 114.3 cm2 (~74.0% screen-to-body ratio)
Type IPS LCD IPS LCD
Features
Sensors Accelerometer, gyro, proximity, compass Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Launch
Announced 2015, April. Released 2015, April 2017, May. Released 2017, June
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
Video 1080p@30fps, 480p@120fps 4K@30fps, 720p@120fps
Memory
Card slot No microSDXC (uses shared SIM slot)
Internal 16GB 2GB RAM, 32GB 2GB RAM 32GB 4GB RAM, 64GB 4GB RAM, 128GB 4GB RAM
eMMC 4.5 eMMC 5.1
Misc
Colors Dark Gray, Black, White, Yellow, Blue, Pink Gold, Matte Black
Models 2015015 MDE40, MDI40
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 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 (2CA) Cat6 300/50 Mbps
Technology GSM / HSPA / LTE GSM / CDMA / HSPA / EVDO / LTE
TD-SCDMA CDMA2000 1xEV-DO
Our Tests
Audio quality - Noise -93.4dB / Crosstalk -98.8dB
Battery (old) Endurance rating 67h Endurance rating 126h
Camera Photo / Video Photo / Video
Display Contrast ratio: 1055:1 (nominal), 2.641 (sunlight) Contrast ratio: 1294:1 (nominal), 2.561 (sunlight)
Loudspeaker Voice 63dB / Noise 65dB / Ring 68dB Voice 78dB / Noise 71dB / Ring 79dB
Performance Basemark X: 4875 GeekBench: 2445 (v4.4) GFXBench: 3.5fps (ES 3.1 onscreen)
Platform
Chipset Qualcomm MSM8939 Snapdragon 615 (28 nm) Qualcomm MSM8953 Snapdragon 625 (14 nm)
CPU Octa-core (4x1.7 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53) Octa-core 2.0 GHz Cortex-A53
GPU Adreno 405 Adreno 506
OS Android 5.0.2 (Lollipop), MIUI 8.2 Android 7.1.1 (Nougat), MIUI 11
Selfie camera
Single 5 MP, f/1.8 5 MP, f/2.0
Video 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes, with stereo speakers