Friday, August 21, 2015

Mi 4

Xiaomi Mi 4 smartphone with 5.00-inch 1080x1920 display powered by 2.5GHz processor alongside 3GB RAM and 13-megapixel rear camera.





Network
Technology GSM / CDMA / HSPA / EVDO / LTE
2G bands GSM 850 / 900 / 1800 / 1900 - all versions
  CDMA 800 / 1900 - Telecom 3G model
3G bands TD-SCDMA 2010-2025 / 1880-1920 - 4G model
  HSDPA 850 / 900 / 1900 / 2100 - Unicom 3G model, Telecom 3G model
  CDMA2000 1xEV-DO - Telecom 3G model
4G bands LTE band 38(2600), 39(1900), 40(2300) - 4G model
Speed HSPA 42.2/5.76 Mbps, LTE, EV-DO Rev.A 3.1 Mbps
GPRS Yes
EDGE Yes

Launch
Announced 2014, July
Status Available. Released 2014, August

Body
Dimensions 139.2 x 68.5 x 8.9 mm (5.48 x 2.70 x 0.35 in)
Weight 149 g (5.26 oz)
SIM Micro-SIM

Display
Type IPS LCD capacitive touchscreen, 16M colors
Size 5.0 inches (~72.3% screen-to-body ratio)
Resolution 1080 x 1920 pixels (~441 ppi pixel density)
Multitouch Yes

Platform
OS Android OS, v4.4.3 (KitKat)
MIUI 5.0
Chipset Qualcomm MSM8974AC Snapdragon 801
CPU Quad-core 2.5 GHz Krait 400
GPU Adreno 330

Memory
Card slot No
Internal 16/64 GB, 3 GB RAM

Camera
Primary 13 MP, 4128 x 3096 pixels, autofocus, LED flash, check quality
Features 1/3'' sensor size, 1.12┬Ám pixel size, geo-tagging, touch focus, face/smile detection, panorama, HDR
Video 2160p@30fps, 1080p@30fps, 720p@120fps, HDR, check quality
Secondary 8 MP, 1080p@30fps

Sound
Alert types Vibration; MP3, WAV ringtones
Loudspeaker Yes
3.5mm jack Yes

Comms
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot
Bluetooth v4.0, A2DP
GPS Yes, with A-GPS support, GLONASS, Beidou
Infrared port Yes
Radio FM radio
USB microUSB v2.0, USB Host

Features
Sensors Accelerometer, gyro, proximity, compass, barometer
Messaging SMS(threaded view), MMS, Email, Push Mail, IM
Browser HTML5
Java No
Fast battery charging: 60% in 30 min (Quick Charge 2.0)
Active noise cancellation with dedicated mic
MP4/DivX/XviD/WMV/H.264 player
MP3/WAV/eAAC+/FLAC player
Photo/video editor
Document viewer
Voice memo/dial/commands

Battery  
Battery Non-removable Li-Ion 3080 mAh battery
Stand-by Up to 280 h (3G)
Talk time No Information Available

Misc
Colors Black, White

Price 
Price group 5/10 (About 240 EUR)

Tests
Performance Basemark OS II: 1324
Display Contrast ratio: 929 (nominal), 2.424 (sunlight)
Loudspeaker Voice 62dB / Noise 62dB / Ring 66dB
Audio quality Noise -91.6dB / Crosstalk -49.7dB
Battery life Endurance rating 68h

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