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Xiaomi Mi 4

Xiaomi Redmi 3

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Xiaomi Mi 4
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Xiaomi Mi 4

Xiaomi Redmi 3

Network
Technology GSM / CDMA / HSPA / EVDO / LTE GSM / CDMA / HSPA / EVDO / LTE
2G bands GSM 850 / 900 / 1800 / 1900 - all versions GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
  CDMA 800 / 1900 - Telecom 3G model CDMA 800 / 1900
3G Network TD-SCDMA - 4G model HSDPA 850 / 900 / 1900 / 2100
  HSDPA 850 / 900 / 1900 / 2100 - Unicom 3G model, Telecom 3G model TD-SCDMA
  CDMA2000 1xEV-DO - Telecom 3G model CDMA2000 1xEV-DO
4G Network 38, 39, 40 - 4G model 1, 3, 7, 38, 39, 40, 41
Speed HSPA, LTE, EV-DO Rev.A 3.1 Mbps HSPA, LTE, EV-DO Rev.A 3.1 Mbps
Launch
Announced 2014, July. Released 2014, August 2016, January. Released 2016, January
Status Discontinued Discontinued
Body
Dimensions 139.2 x 68.5 x 8.9 mm (5.48 x 2.70 x 0.35 in) 139.3 x 69.6 x 8.5 mm (5.48 x 2.74 x 0.33 in)
Weight 149 g (5.26 oz) 144 g (5.08 oz)
Build Glass front, plastic back, aluminum frame Glass front, aluminum back, aluminum frame
SIM Micro-SIM Hybrid Dual SIM (Micro-SIM/Nano-SIM, dual stand-by)
Display
Type IPS LCD IPS LCD
Size 5.0 inches, 68.9 cm2 (~72.3% screen-to-body ratio) 5.0 inches, 68.9 cm2 (~71.1% screen-to-body ratio)
Resolution 1080 x 1920 pixels, 16:9 ratio (~441 ppi density) 720 x 1280 pixels, 16:9 ratio (~294 ppi density)
Platform
OS Android 4.4.3 (KitKat), upgradable to 6.0.1 (Marshmallow), MIUI 10 Android 5.1 (Lollipop), MIUI 7
Chipset Qualcomm MSM8974AC Snapdragon 801 (28 nm) Qualcomm MSM8939v2 Snapdragon 616 (28 nm)
CPU Quad-core 2.5 GHz Krait 400 Octa-core (4x1.5 GHz Cortex-A53 & 4x1.2 GHz Cortex-A53)
GPU Adreno 330 Adreno 405
Memory
Card slot No microSDXC (uses shared SIM slot)
Internal 16GB 2GB RAM, 64GB 3GB RAM 16GB 2GB RAM, 32GB 3GB RAM
 eMMC 5.0 eMMC 4.5
Main Camera
Modules 13 MP, f/1.8, 1/3.1", 1.12µm, AF 13 MP, f/2.0, PDAF
Features LED flash, panorama, HDR LED flash, HDR, panorama
Video 4K@30fps, 1080p@30fps, 720p@120fps, HDR 1080p@30fps
Selfie Camera
Modules 8 MP, f/1.8 5 MP, f/2.2
Video 1080p@30fps 1080p@30fps
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Sound
Loudspeaker Yes Yes
3.5mm jack Yes Yes
Comms
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, hotspot
Bluetooth 4.0, A2DP 4.1, A2DP
Positioning GPS, GLONASS, BDS GPS, GLONASS, BDS
NFC No No
Infrared port Yes Yes
Radio FM radio FM radio
USB microUSB 2.0, OTG microUSB 2.0
Features
Sensors Accelerometer, gyro, proximity, compass, barometer Accelerometer, gyro, proximity, compass
Battery
Type Li-Ion 3080 mAh, non-removable Li-Ion 4100 mAh, non-removable
Charging 18W wired, QC2 10W wired
Stand-by Up to 280 h (3G)
Misc
Colors Black, White Gold, Dark Gray, Silver, Classic Gold
SAR 0.71 W/kg (head)     0.85 W/kg (body)     0.90 W/kg (head)     0.56 W/kg (body)    
SAR EU 1.33 W/kg (head)    
Models 2014215 2015816
Price About 230 EUR About 160 EUR
Tests
Display Contrast ratio: 929 (nominal), 2.424 (sunlight)
Camera Compare PHOTO / Compare VIDEO
Loudspeaker Voice 62dB / Noise 62dB / Ring 66dB
Audio quality Noise -91.6dB / Crosstalk -49.7dB
Battery (old) Endurance rating 68h Endurance rating 107h

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