Product
Xiaomi Mi 4
Xiaomi Mi 4
Honor Holly 3
Honor Holly 3
Battery
Charging 18W wired, QC2 -
Stand-by Up to 280 h (3G) -
Type Li-Ion 3080 mAh, non-removable Li-Po 3100 mAh, non-removable
Body
Build Glass front, plastic back, aluminum frame -
Dimensions 139.2 x 68.5 x 8.9 mm (5.48 x 2.70 x 0.35 in) 154.3 x 77.1 x 8.5 mm (6.07 x 3.04 x 0.33 in)
SIM Micro-SIM Dual SIM (Micro-SIM, dual stand-by)
Weight 149 g (5.26 oz) 168 g (5.93 oz)
Comms
Bluetooth 4.0, A2DP 4.0, A2DP or 4.1, A2DP, LE
Infrared port Yes -
NFC No No
Positioning GPS, GLONASS, BDS GPS, GLONASS
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 b/g/n, Wi-Fi Direct
Display
Resolution 1080 x 1920 pixels, 16:9 ratio (~441 ppi density) 720 x 1280 pixels, 16:9 ratio (~267 ppi density)
Size 5.0 inches, 68.9 cm2 (~72.3% screen-to-body ratio) 5.5 inches, 83.4 cm2 (~70.1% screen-to-body ratio)
Type IPS LCD IPS LCD
Features
Sensors Accelerometer, gyro, proximity, compass, barometer Accelerometer, proximity, compass
Launch
Announced 2014, July. Released 2014, August 2016, October. Released 2016, October
Status Discontinued Discontinued
Main Camera
Features LED flash, panorama, HDR LED flash, HDR, panorama
Single 13 MP, f/1.8, 1/3.1", 1.12µm, AF 13 MP, f/2.0, 28mm (wide), AF
Video 4K@30fps, 1080p@30fps, 720p@120fps, HDR 1080p@30fps
Memory
Card slot No microSDXC (dedicated slot)
Internal 16GB 2GB RAM, 64GB 3GB RAM 16GB 2GB RAM, 32GB 3GB RAM
  eMMC 5.0 -
Misc
Colors Black, White Black, White, Gold
Models 2014215 CAM-L03, CAM-L23, CAM-L21, CAM-UL00, CAM-L32, CAM-L22
SAR 0.71 W/kg (head)     0.85 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 -
4G bands 38, 39, 40 - 4G model LTE
EDGE Yes Yes
GPRS Yes Yes
Speed HSPA, LTE, EV-DO Rev.A 3.1 Mbps HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Technology GSM / CDMA / HSPA / EVDO / LTE GSM / HSPA / LTE
  CDMA2000 1xEV-DO - Telecom 3G model HSDPA 850 / 900 / 1900 / 2100
Our Tests
Audio quality Noise -91.6dB / Crosstalk -49.7dB -
Battery (old) Endurance rating 68h -
Camera Photo / Video -
Display Contrast ratio: 929 (nominal), 2.424 (sunlight) -
Loudspeaker Voice 62dB / Noise 62dB / Ring 66dB -
Platform
Chipset Qualcomm MSM8974AC Snapdragon 801 (28 nm) Kirin 620 (28 nm)
CPU Quad-core 2.5 GHz Krait 400 Octa-core 1.2 GHz Cortex-A53
GPU Adreno 330 Mali-450MP4
OS Android 4.4.3 (KitKat), upgradable to 6.0.1 (Marshmallow), MIUI 10 Android 6.0 (Marshmallow), EMUI 4.1
Selfie camera
Single 8 MP, f/1.8 8 MP, f/2.0, 24mm (wide), 1/4.0", 1.12µm
Video 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes