Phone Comparison - OnePlus One vs HTC Desire 820 vs Asus Zenfone Zoom ZX550

general General Info

Manufacturer OnePlus HTC Asus
Announced April 2014 September 2014 January 2015
Status Available - June 2014 Coming Soon - September 2014 Coming Soon - Q2 2015
Price - - Rs. 37,999 ($558.81) [Similarly Priced]
Colors Silk White, Sandstone Black Marble White, Tuxedo Grey, Santorini White, Milky-way Grey, Tang Meteorite black, Glacier white
Form Factor Candybar Candybar Candybar
Dimension 152.9 x 75.9 x 8.9 mm
(6.02 x 2.99 x 0.35 in)
157.7 x 78.7 x 7.7 mm
(6.21 x 3.1 x 0.3 in)
158.9 x 78.8 x 12 mm
(6.26 x 3.1 x 0.47 in)
Weight 162 g (5.71 oz) 155 g (5.47 oz) 185 g (6.53 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1700 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 - EMEA version
HSDPA 900 / 2100 - Asia version
HSDPA 850 / 900 / 1900 / 2100
4G Network LTE 700 / 1700 / 2600 /2300/2100/1800 LTE 900 / 1800 / 2100 / 2600 - EMEA version LTE 700/800/850/900/1700/1800/1900/2100/2600
(Bands 1, 2, 3, 4, 5, 7, 8, 9, 17, 18, 19, 20, 28, 29)
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail SMS, MMS, Push Mail, EMail, IM

hardware Hardware and OS

OS Android OS, v4.4.2 (KitKat) Android OS, v4.4.2 (KitKat) Android OS, v5.0 (Lollipop)
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 Quad-core 2.3 GHz, Intel Atom Z3580
GPU Adreno 330 Adreno 405 PowerVR G6430
RAM 3 GB 2 GB 4 GB
Internal Memory 16/64 GB 16 GB 32/64/128 GB
External Memory No microSD, up to 128 GB microSD, up to 64 GB

display Display

Type IPS LCD capacitive touchscreen LCD Capacitive Touchscreen IPS Capacitive Touchscreen, Corning Gorilla Glass 3
Colors 16M colors 16M colors 16M colors
Size 5.5 inches 5.5 inches 5.5 inches
Resolution 1080 x 1920 pixels (401 ppi) 720 x 1280 pixels (267 ppi) 1080 x 1920 pixels (403 ppi)
Screen-to-Body Ratio 71.69% 67.20% 65.79%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio No No 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, 4128 x 3096 pixels
Flash dual-LED flash LED flash Dual-tone Flash
Features Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR Auto focus, Geo-tagging, Touch Focus, Face Detection, Simultaneous HD Video And Image Recording, HDR Optical Image Stabilization,Geo-tagging, Touch Focus, Face Detection, Panorama, HDR
Video Yes, 2160p@30fps, 1080p@60fps, 720p@120fps, video stabilization, HDR 1080p@30fps, 720p@60fps 1080p@30fps
Front Camera Yes, 5 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 HSDPA, 42 Mbps; HSUPA, 5.8 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL HSDPA, 42 Mbps; HSUPA, 5.8 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth Yes, v4.1 with A2DP v4.0, A2DP v4.0, A2DP, EDR
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, 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 a/b/g/n/ac, Wi-Fi Direct, hotspot
USB Yes, microUSB v2.0, USB On-the-go, USB Host microUSB v2.0 microUSB v2.0, USB Host
GPS Yes, with A-GPS support and 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 32/64/128 GB, 4 GB RAM
Expandable Storage No microSD, up to 128 GB microSD, up to 64 GB
USB OTG Supported - 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 supported

battery Battery

Type Non-removable Li-Po Battery Non-removable Li-Po Battery Non-removable Li-Po Battery
Capacity 3100 mAh 2600 mAh 3000 mAh
Stand by - Up to 424 h (3G) -
Talk Time - Up to 22 h 24 min (3G) -