Phone Comparison - Nokia Lumia 1020 vs Nokia Lumia 730 Dual SIM vs Nokia Lumia 638

general General Info

Manufacturer Nokia Nokia Nokia
Announced July 2013 September 2014 December 2014
Status Available - July 2013 Available - September 2014 Available - December 2014
Price - - Rs. 7,999 ($117.63) [Similarly Priced]
Colors Black, White, Yellow Orange, green, white, black 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)
134.7 x 68.5 x 8.9 mm
(5.3 x 2.7 x 0.35 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) 134 g (4.73 oz) 136 g (4.8 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 1800 / 1900 / 2100 / 2300 / 2500 / 2600 (Bands 3, 7, 38, 39, 40, 41)
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM
Build Features - ClearBlack display -

hardware Hardware and OS

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 400
GPU Adreno 225 Adreno 305 Adreno 305
RAM 2 GB 1 GB 1 GB
Internal Memory 32 GB 8 GB 8 GB
External Memory No microSD, up to 128 GB microSD, up to 128 GB

display Display

Type AMOLED capacitive touchscreen, PureMotion HD+ ClearBlack Display, Gorilla Glass 3 AMOLED Capacitive Touchscreen, Corning Gorilla Glass 3 IPS LCD capacitive touchscreen, Corning Gorilla Glass 3, ClearBlack Display
Colors 16M colors 16M colors 16M colors
Size 4.5 inches 4.7 inches 4.5 inches
Resolution 768 x 1280 pixels (332 ppi) 720 x 1280 pixels (312 ppi) 480 x 854 pixels (218 ppi)
Screen-to-Body Ratio 61.80% 66.20% 64.43%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio Stereo FM radio with RDS FM radio FM radio
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) 6.7 MP, Carl Zeiss optics 5 MP, 2592 х 1944 pixels
Flash Xenon Flash 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 Auto focus, 1/3.4'' Sensor Size, Geo-tagging, Face Detection, Panorama Auto focus, 1/4
Video Yes, 1080p@30fps 1080p@30fps, stereo sound rec. Yes
Front Camera Yes, 1.2 MP, 720p [Similar] 5 MP, 720p [Similar] No [Similar]

connectivity Connectivity and Data Rate

GPRS Up to 107 kbps Yes Yes
Edge Up to 236.8 kbps Up to 296 kbps Yes
3G HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps; LTE, Cat3, 50 Mbps UL, 100 Mbps DL HSDPA, 21.1 Mbps; HSUPA, 5.76 Mbps HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth Yes, v3.0 with A2DP v4.0, A2DP v4.0, A2DP, LE/ apt-X after WP8 Denim update
Wi-Fi Wi-Fi 802.11 b/g/n, DLNA, UPnP technology Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, DLNA, hotspot
USB Yes, microUSB v2.0, USB On-the-go 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

memory User Memory

Internal 32 GB, 2 GB RAM 8 GB, 1 GB RAM 8 GB, 1 GB RAM
Expandable Storage No microSD, up to 128 GB microSD, up to 128 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 Li-Ion Battery (BV-T5A) Li-Ion Battery (BL-5H)
Capacity 2000 mAh 2200 mAh 1830 mAh
Stand by Up to 384 h Up to 600 h -
Talk Time Up to 19 h 6 min (2G)
Up to 13 h 18 min (3G)
Up to 22 h (2G)
Up to 17 h (3G)
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