Phone Comparison - Xiaomi Mi 4 vs HTC Desire 820 vs Lenovo Vibe X2

general General Info

Manufacturer Xiaomi HTC Lenovo
Announced July 2014 September 2014 September 2014
Status Available - Q3 2014 Coming Soon - September 2014 Available - October 2014
Colors Black, White Marble White, Tuxedo Grey, Santorini White, Milky-way Grey, Tang White, Gold, Red, Dark Grey
Form Factor Candybar Candybar Candybar
Dimension 139.2 x 68.5 x 8.9 mm
(5.48 x 2.7 x 0.35 in)
157.7 x 78.7 x 7.7 mm
(6.21 x 3.1 x 0.3 in)
140.2 x 68.6 x 7.3 mm
(5.52 x 2.7 x 0.29 in)
Weight 149 g (5.26 oz) 155 g (5.47 oz) 120 g (4.23 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 - EMEA version
HSDPA 900 / 2100 - Asia version
HSDPA 850 / 900 / 1700 / 1900 / 2100
4G Network LTE LTE 900 / 1800 / 2100 / 2600 - EMEA version LTE 800 / 1800 / 2100 / 2600
Messaging SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.4.3 (KitKat) Android OS, v4.4.2 (KitKat) Android OS, v4.4 (KitKat)
Processor Quad-core 2.5 GHz Krait 400, Qualcomm MSM8974AC Snapdragon 801 Quad-core 1.5 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615 Octa-core 2.0 GHz, MediatTek MT6595m True8Core
GPU Adreno 330 Adreno 405 PowerVR G600
RAM 3 GB 2 GB 2 GB
Internal Memory 16/64 GB 16 GB 32 GB
External Memory No microSD, up to 128 GB No

display Display

Type IPS LCD capacitive touchscreen LCD Capacitive Touchscreen IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.0 inches 5.5 inches 5.0 inches
Resolution 1080 x 1920 pixels (441 ppi) 720 x 1280 pixels (267 ppi) 1080 x 1920 pixels (441 ppi)
Screen-to-Body Ratio 72.14% 67.20% 71.52%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio FM radio No -
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 13 MP, 4128 x 3096 pixels 13 MP, 4160 x 3120 pixels 13 MP, 4160 x 3120 pixels
Flash Dual-LED Flash LED flash LED flash
Features Auto focus, 1/3' Sensor Size, 1.12µm Pixel Size, Geo-tagging, Touch Focus, Face And Smile Detection, HDR Auto focus, Geo-tagging, Touch Focus, Face Detection, Simultaneous HD Video And Image Recording, HDR Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR
Video 2160p, 1080p@30fps, HDR 1080p@30fps, 720p@60fps 1080p@30fps
Front Camera 8 MP, 1080p@30fps [Similar] 8 MP, 1080p [Similar] 5 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G DC-HSDPA, 42 Mbps; HSDPA, 21 Mbps; HSUPA, 5.76 Mbps; LTE HSDPA, 42 Mbps; HSUPA, 5.8 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL HSDPA, 42 Mbps; HSUPA; LTE, Cat4, 50 Mbps UL, 150 Mbps DL
Bluetooth v4.0, A2DP v4.0, A2DP v4.0, A2DP
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot Wi-Fi 802.11 b/g/n/ac, dual band, Wi-Fi hotspot
USB microUSB v2.0 (MHL), USB On-the-go microUSB v2.0 microUSB v2.0
GPS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 16/64 GB, 3 GB RAM 16 GB, 2 GB RAM 32 GB, 2 GB RAM
Expandable Storage No microSD, up to 128 GB No
USB OTG Supported - -

Apps Sensors

Fingerprint fingerprint not supported fingerprint not supported fingerprint not supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
NFC NFC supported NFC not supported NFC not supported

battery Battery

Type Non-removable Li-Ion Battery Non-removable Li-Po Battery Non-removable Li-Po Battery
Capacity 3080 mAh 2600 mAh 2300 mAh
Stand by - Up to 424 h (3G) Up to 228 h (2G)
Up to 216 h (3G)
Talk Time - Up to 22 h 24 min (3G) Up to 17 h (2G)
Up to 19 h (3G)