Phone Comparison - Nokia Lumia 1020 vs Nokia Lumia 1520 vs Nokia Lumia 635

general General Info

Manufacturer Nokia Nokia Nokia
Announced July 2013 October 2013 April 2014
Status Available - July 2013 Available - November 2013 Available - May 2014
Colors Black, White, Yellow Yellow, white, black, red Orange, Yellow, White, Black
Form Factor Candybar Candybar Candybar
Dimension 130.4 x 71.4 x 10.4 mm
(5.13 x 2.81 x 0.41 in)
162.8 x 85.4 x 8.7 mm
(6.41 x 3.36 x 0.34 in)
129.5 x 66.7 x 9.2 mm
(5.1 x 2.63 x 0.36 in)
Weight 158 g (5.57 oz) 209 g (7.37 oz) 134 g (4.73 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network LTE 800 / 900 / 1800 / 2100 / 2600 LTE 800 / 900 / 1800 / 2100 / 2600 LTE
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM

hardware Hardware and OS

OS Microsoft Windows Phone 8 Microsoft Windows Phone 8 Amber Microsoft Windows Phone 8.1
Processor Dual-core 1.5 GHz Krait, Qualcomm MSM8960 Snapdragon Quad-core 2.2 GHz Krait 400, Qualcomm Snapdragon 800 Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400
GPU Adreno 225 Adreno 330 Adreno 305
RAM 2 GB 2 GB 512 MB
Internal Memory 32 GB 32 GB 8 GB
External Memory No microSD, up to 64 GB microSD, up to 64 GB

display Display

Type AMOLED capacitive touchscreen, PureMotion HD+ ClearBlack Display, Gorilla Glass 3 IPS LCD capacitive touchscreen IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.5 inches 6.0 inches 4.5 inches
Resolution 768 x 1280 pixels (332 ppi) 1080 x 1920 pixels (367 ppi) 480 x 854 pixels (218 ppi)
Screen-to-Body Ratio 61.80% 71.44% 64.43%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 41 MP (38 MP effective, 7152 x 5368 pixels) 20 MP, Carl Zeiss optics 5 MP, 2592 х 1944 pixels
Flash Xenon Flash Dual-LED flash No
Features Carl Zeiss optics, Auto Focus, 1/1.2' Sensor Size, ND Filter, Optical Zoom, Geo-tagging, Face Detection, Optical Zoom, Panorama 1/2.5' Sensor Size, PureView Technology, Geo-tagging, Face Detection, Panorama Geo-tagging
Video Yes, 1080p@30fps Yes, 1080p@30fps, video light, stereo sound rec. Yes, 720p@30fps
Front Camera Yes, 1.2 MP, 720p [Similar] Yes, 1.2 MP, 720p [Similar] No [Similar]

connectivity Connectivity and Data Rate

GPRS Up to 107 kbps Yes Yes
Edge Up to 236.8 kbps Yes Yes
3G HSDPA, 42.2 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 HSDPA, 21 Mbps; HSUPA, 5.76 Mbps; LTE, Cat3, 50 Mbps UL, 100 Mbps DL
Bluetooth Yes, v3.0 with A2DP Yes, v4.0 with A2DP Yes, v4.0 with A2DP
Wi-Fi Wi-Fi 802.11 b/g/n, DLNA, UPnP technology Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi hotspot Wi-Fi 802.11 b/g/n
USB Yes, microUSB v2.0, USB On-the-go Yes, microUSB v2.0 Yes, microUSB v2.0
GPS Yes, with A-GPS support Yes, with A-GPS support and GLONASS Yes, with A-GPS support and GLONASS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 32 GB, 2 GB RAM 32 GB, 2 GB RAM 8 GB, 512 MB RAM
Expandable Storage No microSD, up to 64 GB microSD, up to 64 GB
USB OTG 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 supported NFC not supported

battery Battery

Type Non-removable Li-Ion Battery, Wireless Charging Supported via Cover Non-removable Li-Ion Battery (BV-4BW) Li-Ion Battery
Capacity 2000 mAh 3400 mAh 1830 mAh
Stand by Up to 384 h Up to 768 h (2G)
Up to 768 h (3G)
Up to 648 h
Talk Time Up to 19 h 6 min (2G)
Up to 13 h 18 min (3G)
Up to 27 h 40 min (2G)
Up to 25 h (3G)
Up to 12 h (2G)
Up to 14 h (3G)