Phone Comparison - Asus Zenfone 6 vs HTC Desire 820 vs Samsung Galaxy Note 4 Duos

general General Info

Manufacturer Asus HTC Samsung
Announced January 2014 September 2014 October 2014
Status Available - June 2014 Coming Soon - September 2014 Available - October 2014
Colors Black, White, Red, Gold Marble White, Tuxedo Grey, Santorini White, Milky-way Grey, Tang Frosted white, Charcoal black, Bronze Gold, Blossom Pink
Form Factor Candybar Candybar Candybar
Dimension 166.9 x 84.3 x 5.5-9.9 mm
(6.57 x 3.32 x 0.22-0.39 in)
157.7 x 78.7 x 7.7 mm
(6.21 x 3.1 x 0.3 in)
153.5 x 78.6 x 8.5 mm
(6.04 x 3.09 x 0.33 in)
Weight 196 g (6.91 oz) 155 g (5.47 oz) 175 g (6.17 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1
TD-SCDMA 1880 / 2010 - SIM 1
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 - EMEA version
HSDPA 900 / 2100 - Asia version
HSDPA 850 / 900 / 1900 / 2100 - SIM 1
4G Network - LTE 900 / 1800 / 2100 / 2600 - EMEA version LTE 1800 / 2100 / 2600 (Bands 1, 3, 7) - SIM 1
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail SMS, MMS, EMail, IM
Build Features - - - Fingerprint sensor (PayPal certified)
- S Pen stylus

hardware Hardware and OS

OS Android OS, v4.3 (Jelly Bean), upgradable to v4.4.2 (KitKat) Android OS, v4.4.2 (KitKat) Android OS, v4.4.4 (KitKat)
Processor Dual-core 2 GHz, Intel Atom Z2580 Quad-core 1.5 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615 Quad-core 2.7 GHz Krait 450, Qualcomm Snapdragon 805
GPU PowerVR SGX544MP2 Adreno 405 Adreno 420
RAM 1/2 GB 2 GB 3 GB
Internal Memory 8/16/32 GB 16 GB 16 GB
External Memory microSD, up to 64 GB microSD, up to 128 GB microSD, up to 128 GB

display Display

Type IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3 LCD Capacitive Touchscreen Super AMOLED capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 6.0 inches 5.5 inches 5.7 inches
Resolution 720 x 1280 pixels (245 ppi) 720 x 1280 pixels (267 ppi) 1440 x 2560 pixels (515 ppi)
Screen-to-Body Ratio 70.40% 67.20% 74.32%
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 16 MP, 5312 x 2988 pixels
Flash LED flash LED flash optical image stabil
Features Auto focus, Geo-tagging, Touch Focus, Face Detection Auto focus, Geo-tagging, Touch Focus, Face Detection, Simultaneous HD Video And Image Recording, HDR Dual Shot, Simultaneous HD Video And Image Recording, Geo-tagging, Touch Focus, Face/smile Detection, Panorama, HDR
Video Yes 1080p@30fps, 720p@60fps 2160p@30fps, 1080p@60fps, optical stabilization, dual-video rec.
Front Camera Yes, 2 MP [Similar] 8 MP, 1080p [Similar] 3.7 MP, 1440p [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps HSDPA, 42 Mbps; HSUPA, 5.8 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL HSDPA, HSUPA, LTE
Bluetooth Yes, v4.0 with A2DP, EDR v4.0, A2DP v4.1, A2DP, EDR, LE
Wi-Fi Wi-Fi 802.11 b/g/n, 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, dual-band, Wi-Fi Direct, Wi-Fi hotspot
USB Yes, microUSB v2.0 microUSB v2.0 microUSB v2.0 (MHL 3), USB Host, USB On-the-go
GPS Yes, with A-GPS support Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS, Beidou
Browser HTML HTML5 HTML5

memory User Memory

Internal 8/16/32 GB, 1/2 GB RAM 16 GB, 2 GB RAM 16 GB, 3 GB RAM
Expandable Storage microSD, up to 64 GB microSD, up to 128 GB microSD, up to 128 GB
USB OTG - - Supported

Apps Sensors

Fingerprint fingerprint not supported fingerprint not supported fingerprint 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 not supported NFC supported

battery Battery

Type Non-removable Li-Po Battery Non-removable Li-Po Battery Li-Ion Battery
Capacity 3300 mAh 2600 mAh 3000 mAh
Stand by Up to 398 h (3G) Up to 424 h (3G) Up to 381 h (3G)
Talk Time Up to 28 h (3G) Up to 22 h 24 min (3G) -