Phone Comparison - Samsung Galaxy Alpha vs Samsung Galaxy Note 4 vs HTC Desire 820

general General Info

Manufacturer Samsung Samsung HTC
Announced August 2014 September 2014 September 2014
Status Available - September 2014 Available - October 2014 Coming Soon - September 2014
Colors Black, white, gold, silver, blue Frosted white, Charcoal black, Bronze Gold, Blossom Pink Marble White, Tuxedo Grey, Santorini White, Milky-way Grey, Tang
Form Factor Candybar Candybar Candybar
Dimension 132.4 x 65.5 x 6.7 mm
(5.21 x 2.58 x 0.26 in)
153.5 x 78.6 x 8.5 mm
(6.04 x 3.09 x 0.33 in)
157.7 x 78.7 x 7.7 mm
(6.21 x 3.1 x 0.3 in)
Weight 115 g (4.06 oz) 176 g (6.21 oz) 155 g (5.47 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 HSDPA 850 / 900 / 1900 / 2100 - EMEA version
HSDPA 900 / 2100 - Asia version
4G Network LTE 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, v4.4.4 (KitKat) Android OS, v4.4.4 (KitKat) Android OS, v4.4.2 (KitKat)
Processor Quad-core 1.8 GHz Cortex-A15 & quad-core 1.3 GHz Cortex-A7, Exynos 5 Octa 5430 Quad-core 2.7 GHz Krait 450 (SM-N910S)
Quad-core 1.3 GHz Cortex-A53 & 1.9GHz quad-core Cortex-A57 (SM-N910C), Qualcomm Snapdragon 805 (SM-N910S)
Exynos 5433 (SM-N910C)
Quad-core 1.5 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615
GPU Mali-T628 MP6 Adreno 420 (SM-N910S)
Mali-T760 (SM-N910C)
Adreno 405
RAM 2 GB 3 GB 2 GB
Internal Memory 32 GB 32 GB 16 GB
External Memory No microSD, up to 64 GB microSD, up to 128 GB

display Display

Type Super AMOLED capacitive touchscreen Super AMOLED Capacitive Touchscreen, Corning Gorilla Glass 3 LCD Capacitive Touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.7 inches 5.7 inches 5.5 inches
Resolution 720 x 1280 pixels (320 ppi) 1440 x 2560 pixels (515 ppi) 720 x 1280 pixels (267 ppi)
Screen-to-Body Ratio 66.95% 74.32% 67.20%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 12 MP, 4128 x 3096 pixels 16 MP, 3456 x 4608 pixels 13 MP, 4160 x 3120 pixels
Flash LED flash LED Flash LED flash
Features Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Panorama, HDR Auto focus, Smart OIS, Dual Shot, Simultaneous HD Video And Image Recording, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization, Panorama, HDR Auto focus, Geo-tagging, Touch Focus, Face Detection, Simultaneous HD Video And Image Recording, HDR
Video 2160p@30fps 2160p@30fps, 1080p@60fps, optical stabilization 1080p@30fps, 720p@60fps
Front Camera 2.1 MP [Similar] 3.7 MP, 1080p@30fps [Similar] 8 MP, 1080p [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, 42 Mbps, HSUPA; LTE-A, Cat6, 300 Mbps DL HSDPA, 42 Mbps; HSUPA; LTE, Cat4 (N910C), Cat6 (N910S), 50 Mbps UL, 300 Mbps (N910S), 150 Mbps (N910C) DL HSDPA, 42 Mbps; HSUPA, 5.8 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL
Bluetooth v4.0, A2DP, EDR, LE v4.1, A2DP, EDR, LE 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/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
USB microUSB v2.0 microUSB v2.0 (MHL 2), USB Host microUSB v2.0
GPS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS, Baidu Yes, with A-GPS, GLONASS
Browser HTML5 HTML5 HTML5

memory User Memory

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

Apps Sensors

Fingerprint fingerprint not supported fingerprint 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 supported NFC not supported

battery Battery

Type Li-Ion Battery Li-Ion Battery Non-removable Li-Po Battery
Capacity 1860 mAh 3220 mAh 2600 mAh
Stand by - - Up to 424 h (3G)
Talk Time - - Up to 22 h 24 min (3G)