Phone Comparison - Lenovo K900 vs Lenovo Vibe Z2 Pro vs HTC Desire 820

general General Info

Manufacturer Lenovo Lenovo HTC
Announced January 2013 August 2014 September 2014
Status Available - April 2013 Available - September 2014 Coming Soon - September 2014
Colors Black Black, Gold, White Marble White, Tuxedo Grey, Santorini White, Milky-way Grey, Tang
Form Factor Candybar Candybar Candybar
Dimension 157 x 78 x 6.9 mm
(6.18 x 3.07 x 0.27 in)
156 x 81.3 x 7.7 mm
(6.14 x 3.2 x 0.3 in)
157.7 x 78.7 x 7.7 mm
(6.21 x 3.1 x 0.3 in)
Weight 162 g (5.71 oz) 179 g (6.31 oz) 155 g (5.47 oz)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 2100 HSDPA 850 / 900 / 1700 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 - EMEA version
HSDPA 900 / 2100 - Asia version
4G Network - LTE 800 / 850 / 900 / 1800 / 2100 / 2600 LTE 900 / 1800 / 2100 / 2600 - EMEA version
Messaging SMS, MMS, EMail, IM SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail

hardware Hardware and OS

OS Android OS, v4.2 (Jelly Bean) Android OS, v4.4.2 (KitKat) Android OS, v4.4.2 (KitKat)
Processor Dual-core 2.0 GHz, Intel Atom Z2580 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
GPU PowerVR SGX544 Adreno 330 Adreno 405
RAM 2 GB 3 GB 2 GB
Internal Memory 16 GB 32 GB 16 GB
External Memory microSD, up to 32 GB No microSD, up to 128 GB

display Display

Type IPS LCD capacitive touchscreen IPS LCD capacitive touchscreen LCD Capacitive Touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.5 inches 6.0 inches 5.5 inches
Resolution 1080 x 1920 pixels (401 ppi) 1440 x 2560 pixels (490 ppi) 720 x 1280 pixels (267 ppi)
Screen-to-Body Ratio 67.94% 78.10% 67.20%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 13 MP, autofocus 16 MP, 3456 x 4608 pixels 13 MP, 4160 x 3120 pixels
Flash dual-LED flash optical image stabil LED flash
Features Geo-tagging, Touch Focus, Face Detection Geo-tagging, Touch Focus, Face Detection, Panorama, HDR Auto focus, Geo-tagging, Touch Focus, Face Detection, Simultaneous HD Video And Image Recording, HDR
Video Yes, 1080p@30fps 2160p@30fps, 1080p@30fps, optical stabilization 1080p@30fps, 720p@60fps
Front Camera Yes, 2 MP [Similar] Yes [Similar] 8 MP, 1080p [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA+ HSDPA, 42 Mbps; HSUPA; LTE, Cat4, 50 Mbps UL, 150 Mbps DL HSDPA, 42 Mbps; HSUPA, 5.8 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL
Bluetooth Yes, with A2DP v4.0, A2DP v4.0, A2DP
Wi-Fi Wi-Fi 802.11 a/b/g/n, dual band, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n, dual band, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot
USB Yes, microUSB v2.0 microUSB v2.0 microUSB v2.0
GPS Yes, with A-GPS support Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 16 GB, 2 GB RAM 32 GB, 3 GB RAM 16 GB, 2 GB RAM
Expandable Storage microSD, up to 32 GB No microSD, up to 128 GB

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 not supported NFC supported NFC not supported

battery Battery

Type Li-Ion battery Non-removable Li-Po Battery Non-removable Li-Po Battery
Capacity 2500 mAh 4000 mAh 2600 mAh
Stand by - - Up to 424 h (3G)
Talk Time - - Up to 22 h 24 min (3G)