Phone Comparison - Samsung Galaxy S4 Zoom vs HTC Desire 820 vs Asus Zenfone Zoom ZX550

general General Info

Manufacturer Samsung HTC Asus
Announced June 2013 September 2014 January 2015
Status Available - July 2013 Coming Soon - September 2014 Coming Soon - Q2 2015
Price - - Rs. 37,999 ($558.81) [Similarly Priced]
Colors White Marble White, Tuxedo Grey, Santorini White, Milky-way Grey, Tang Meteorite black, Glacier white
Form Factor Candybar Candybar Candybar
Dimension 125.5 x 63.5 x 15.4 mm
(4.94 x 2.5 x 0.61 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 208 g (7.34 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 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 - EMEA version
HSDPA 900 / 2100 - Asia version
HSDPA 850 / 900 / 1900 / 2100
4G Network LTE - Region Dependent 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, EMail, IM SMS, MMS, Push Mail, EMail SMS, MMS, Push Mail, EMail, IM

hardware Hardware and OS

OS Android OS, v4.2.2 (Jelly Bean) Android OS, v4.4.2 (KitKat) Android OS, v5.0 (Lollipop)
Processor Dual-core 1.5 GHz Cortex-A9, Pega-Dual +XMM6262 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 Mali-400 Adreno 405 PowerVR G6430
RAM 1.5 GB 2 GB 4 GB
Internal Memory 8 GB (5 GB user available) 16 GB 32/64/128 GB
External Memory microSD, up to 64 GB microSD, up to 128 GB microSD, up to 64 GB

display Display

Type Super AMOLED capacitive touchscreen, Corning Gorilla Glass 3 LCD Capacitive Touchscreen IPS Capacitive Touchscreen, Corning Gorilla Glass 3
Colors 16M colors 16M colors 16M colors
Size 4.3 inches 5.5 inches 5.5 inches
Resolution 540 x 960 pixels (256 ppi) 720 x 1280 pixels (267 ppi) 1080 x 1920 pixels (403 ppi)
Screen-to-Body Ratio 64.04% 67.20% 65.79%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 16 MP, autofocus 13 MP, 4160 x 3120 pixels 13 MP, 4128 x 3096 pixels
Flash Xenon Flash LED flash Dual-tone Flash
Features Geo-tagging, Touch Focus, Face And Smile Detection, 10x Optical Zoom (24-240mm, F3.1-F6.3), Optical Image Stabilization, HDR, SMART Modes 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, 1080p@30fps 1080p@30fps, 720p@60fps 1080p@30fps
Front Camera Yes, 1.9 MP [Similar] 8 MP, 1080p [Similar] 5 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, 21 Mbps; HSUPA, 5.76 Mbps; LTE, Cat3, 50 Mbps UL, 100 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, v4.0 with A2DP, LE v4.0, A2DP v4.0, A2DP, EDR
Wi-Fi Wi-Fi 802.11 a/b/g/n, dual-band, DLNA, Wi-Fi Direct, 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 (MHL), USB On-the-go microUSB v2.0 microUSB v2.0, USB Host
GPS Yes, with A-GPS support Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 8 GB (5 GB user available), 1.5 GB RAM 16 GB, 2 GB RAM 32/64/128 GB, 4 GB RAM
Expandable Storage microSD, up to 64 GB 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 Li-Ion Battery Non-removable Li-Po Battery Non-removable Li-Po Battery
Capacity 2330 mAh 2600 mAh 3000 mAh
Stand by - Up to 424 h (3G) -
Talk Time - Up to 22 h 24 min (3G) -