Nokia Lumia 820 vs Nokia Lumia 830 vs Microsoft Lumia 535 Dual SIM

General Info

Manufacturer
Nokia	Nokia	Microsoft
Announced
Expected September 2012	September 2014	November 2014
Status
Available - November 2012	Available - September 2014	Available - November 2014
Price
-	-	Rs. 7,999 ($117.63) [Similarly Priced]
Colors
Black, Gray, Red, Yellow, White, Blue, Violet	Orange, green, white, black	Orange, green, white, black, gray, blue
Form Factor
Candybar	Candybar	Candybar
Dimension
123.8 x 68.5 x 9.9 mm (4.87 x 2.7 x 0.39 in)	139.4 x 70.7 x 8.5 mm (5.49 x 2.78 x 0.33 in)	140.2 x 72.4 x 8.8 mm (5.52 x 2.85 x 0.35 in)
Weight
160 g (5.64 oz)	150 g (5.29 oz)	146 g (5.15 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 900 / 2100
4G Network
LTE 800 / 1800 / 2600 / 2100/ 900	LTE 800 / 900 / 1800 / 2100 / 2600	-
Messaging
SMS, MMS, Push Mail, EMail, IM	SMS, MMS, Push Mail, EMail, IM	SMS, MMS, Push Mail, EMail, IM
Build Features
-	ClearBlack display	-

OS
Microsoft Windows Phone 8	Microsoft Windows Phone 8.1	Microsoft Windows Phone 8.1
Processor
Dual-core 1.5 GHz Krait, Qualcomm MSM8960 Snapdragon	Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400	Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 200
GPU
Adreno 225	Adreno 305	Adreno 302
RAM
1 GB	1 GB	1 GB
Internal Memory
8 GB storage	16 GB	8 GB
External Memory
microSD, up to 32 GB	microSD, up to 128 GB	microSD, up to 128 GB

Type
AMOLED capacitive touchscreen	IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3	IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3
Colors
16M colors	16M colors	16M colors
Size
4.3 inches	5.0 inches	5.0 inches
Resolution
480 x 800 pixels (217 ppi)	720 x 1280 pixels (294 ppi)	540 x 960 pixels (220 ppi)
Screen-to-Body Ratio
62.04%	69.80%	68.08%
Multi-Touch

Rear Camera
8 MP, 3264x2448 pixels, Carl Zeiss Tessa	10 MP, Carl Zeiss Optics	5 MP, 2592 x 1936 pixels
Flash
LED flash	LED Flash	LED flash
Features
Auto focus, Geo-tagging	Auto focus, OIS, 1/3.4'' sensor size, PureView technology, geo-tagging, face detection, panorama	Auto focus, 1/4' Sensor Size, Geo-tagging
Video
Yes	1080p@30fps, optical stabilization, stereo sound rec.	480p@30fps
Front Camera
Yes	0.9 MP, 720p	5 MP

GPRS
Yes	Yes	Yes
Edge
Yes	Up to 296 kbps	Yes
3G
HSDPA, 42 Mbps HSUPA, 5.76 Mbps LTE, Cat3, 50 Mbps UL, 100 Mbps DL	HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL	HSPA 42.2/5.76 Mbps
Bluetooth
Yes, v3.1 with A2DP, EDR	v4.0, A2DP	v4.0, A2DP
Wi-Fi
Wi-Fi 802.11 b/g/n	Wi-Fi 802.11 a/b/g/n, DLNA, Wi-Fi hotspot	Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi hotspot
USB
Yes, microUSB v2.0	microUSB v2.0	microUSB v2.0
GPS
Yes, with A-GPS support	Yes, with A-GPS, GLONASS, Beidou	Yes, with A-GPS, GLONASS
Browser
HTML5	HTML5	HTML5