Product
Xiaomi Mi 4i
Xiaomi Mi 4i
Honor 6X
Honor 6X
Battery
Charging 10W wired, QC1 -
Stand-by - Up to 650 h (3G)
Talk time Up to 35 h (3G) Up to 23 h (3G)
Type Li-Ion 3120 mAh, non-removable Li-Ion 3340 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) 150.9 x 76.2 x 8.2 mm (5.94 x 3.00 x 0.32 in)
SIM Dual SIM (Micro-SIM, dual stand-by) Nano-SIM + Nano-SIM
Weight 130 g (4.59 oz) 162 g (5.71 oz)
Comms
Bluetooth 4.1, A2DP 4.1, A2DP, EDR, LE
NFC No No
Positioning GPS, GLONASS, BDS GPS, GLONASS, BDS
Radio Stereo 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, hotspot Wi-Fi 802.11 b/g/n, 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 (~403 ppi density)
Size 5.0 inches, 68.9 cm2 (~71.7% screen-to-body ratio) 5.5 inches, 82.6 cm2 (~71.8% screen-to-body ratio)
Type IPS LCD IPS LCD
Features
Sensors Accelerometer, gyro, proximity, compass Fingerprint (rear-mounted), accelerometer, proximity, compass
Launch
Announced 2015, April. Released 2015, April 2016, October. Released 2016, October
Status Discontinued Discontinued
Main Camera
Dual - 12 MP, 1/2.9", 1.25µm, PDAF 2 MP, (depth)
Features Dual-LED dual-tone flash, panorama, HDR LED flash, HDR, panorama
Single 13 MP, f/2.0, AF -
Video 1080p@30fps, 480p@120fps 1080p@30fps
Memory
Card slot No microSDXC (uses shared SIM slot)
Internal 16GB 2GB RAM, 32GB 2GB RAM 32GB 3GB RAM, 64GB 4GB RAM
  eMMC 4.5 -
Misc
Colors Dark Gray, Black, White, Yellow, Blue, Pink Gray, Gold, Silver
Models 2015015 BLN-AL10, BLL-L22, BLN-L21, BLL-L21, BLN-L22, BLL-L23, BLN-L24, BLN-AL40, BLN-TL10, BLN-AL20, BLN-AL30
SAR 0.51 W/kg (head)     0.60 W/kg (body)     -
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 900 / 1900 / 2100
4G bands 3, 7, 38, 39, 40, 41 1, 3, 7, 8, 38
Speed HSPA, LTE Cat4 150/50 Mbps HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Technology GSM / HSPA / LTE GSM / HSPA / LTE
  TD-SCDMA -
Our Tests
Audio quality - Noise - 87.9 / Crosstalk - 86.4
Battery (old) Endurance rating 67h Endurance rating 84h
Camera Photo / Video -
Display Contrast ratio: 1055:1 (nominal), 2.641 (sunlight) -
Loudspeaker Voice 63dB / Noise 65dB / Ring 68dB Voice 68dB / Noise 67dB / Ring 79dB
Performance Basemark X: 4875 GFXBench: 4.8fps (ES 3.1 onscreen)
Platform
Chipset Qualcomm MSM8939 Snapdragon 615 (28 nm) Kirin 655 (16 nm)
CPU Octa-core (4x1.7 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53) Octa-core (4x2.1 GHz Cortex-A53 & 4x1.7 GHz Cortex-A53)
GPU Adreno 405 Mali-T830MP2
OS Android 5.0.2 (Lollipop), MIUI 8.2 Android 6.0 (Marshmallow), upgradable to 7.0 (Nougat), EMUI 5
Selfie camera
Single 5 MP, f/1.8 8 MP
Video 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes