Phone Comparison - Samsung Galaxy Alpha vs Oppo N3 vs HTC Desire 820s dual sim

general General Info

Manufacturer Samsung Oppo HTC
Announced August 2014 October 2014 March 2015
Status Available - September 2014 Available - November 2014 Available - March 2015
Price - Rs. 31,970 ($469.00) [Similarly Priced] Rs. 27,900 ($410.29) [Similarly Priced]
Colors Black, white, gold, silver, blue White Marble White, Milkyway Gray, Monarch Orange, Santorini White, Tu
Form Factor Candybar Candybar Candybar
Dimension 132.4 x 65.5 x 6.7 mm
(5.21 x 2.58 x 0.26 in)
161.2 x 77 x 9.9 mm
(6.35 x 3.03 x 0.39 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) 192 g (6.77 oz) 155 g (5.47 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
TD-SCDMA 1900 / 2000
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA HSDPA 850 / 900 / 1900 / 2100
4G Network LTE LTE LTE 900 / 1800 / 2100 / 2600 TD-LTE 1900 / 2300 / 2500 / 2600
(Bands 1, 3, 7, 8, 38, 39, 40, 41)
Messaging SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail SMS, MMS, Push Mail, EMail
Build Features - - Touch-sensitive area at the back
- O-Click Bluetooth Remote Control (bundled)
-

hardware Hardware and OS

OS Android OS, v4.4.4 (KitKat) Android OS, v4.4.2 (KitKat) Android OS, v4.4.4 (KitKat)
Processor Quad-core 1.8 GHz Cortex-A15 & quad-core 1.3 GHz Cortex-A7, Exynos 5 Octa 5430 Quad-core 2.3 GHz Krait 400, Qualcomm MSM8974AA Snapdragon 801 Octa-core 1.7 GHz Cortex-A53, Mediatek MT6752
GPU Mali-T628 MP6 Adreno 330 Mali-T760MP2
RAM 2 GB 2 GB 2 GB
Internal Memory 32 GB 32 GB 16 GB
External Memory No microSD, up to 64 GB microSD, up to 32 GB

display Display

Type Super AMOLED capacitive touchscreen IPS LCD capacitive touchscreen Capacitive Touchscreen, Corning Gorilla Glass 3
Colors 16M colors 16M colors 16M colors
Size 4.7 inches 5.5 inches 5.5 inches
Resolution 720 x 1280 pixels (320 ppi) 1080 x 1920 pixels (403 ppi) 720 x 1280 pixels (267 ppi)
Screen-to-Body Ratio 66.95% 66.36% 67.20%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio No No FM radio
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 dual-LED flash LED flash
Features Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Panorama, HDR Auto focus, 1/2.3' Sensor Size, 1.34µm Pixel Size, Motorised Rotating Lens, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama
Video 2160p@30fps 1080p@30fps 1080p@30fps
Front Camera 2.1 MP [Similar] 16 MP, autofocus, LED flash [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; HSUPA; LTE HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth v4.0, A2DP, EDR, LE v4.0 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, Wi-Fi Direct, DLNA, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, hotspot
USB microUSB v2.0 microUSB v2.0, USB On-the-go microUSB v2.0
GPS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 32 GB, 2 GB RAM 32 GB, 2 GB RAM 16 GB, 2 GB RAM
Expandable Storage No microSD, up to 64 GB microSD, up to 32 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-Po Battery Non-removable Li-Po Battery
Capacity 1860 mAh 3000 mAh 2600 mAh
Stand by - - Up to 560 h (3G)
Talk Time - - Up to 12 h 10 min (3G)