Phone Comparison - Apple iPhone 3GS vs Nokia Lumia 1020 vs Nokia Lumia 635

general General Info

Manufacturer Apple Nokia Nokia
Announced June 2009 July 2013 April 2014
Status Available - June 2009 Available - July 2013 Available - May 2014
Colors Black, White Black, White, Yellow Orange, Yellow, White, Black
Form Factor Candybar Candybar Candybar
Dimension 115.5 x 62.1 x 12.3 mm
(4.55 x 2.44 x 0.48 in)
130.4 x 71.4 x 10.4 mm
(5.13 x 2.81 x 0.41 in)
129.5 x 66.7 x 9.2 mm
(5.1 x 2.63 x 0.36 in)
Weight 135 g (4.76 oz) 158 g (5.57 oz) 134 g (4.73 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network - LTE 800 / 900 / 1800 / 2100 / 2600 LTE
Messaging SMS, MMS SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM

hardware Hardware and OS

OS iPhone OS 3, upgradable to iOS 5 Microsoft Windows Phone 8 Microsoft Windows Phone 8.1
Processor 600 MHz Cortex-A8 Dual-core 1.5 GHz Krait, Qualcomm MSM8960 Snapdragon Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400
GPU PowerVR SGX535 Adreno 225 Adreno 305
RAM 256 MB 2 GB 512 MB
Internal Memory 8/16/32 GB storage 32 GB 8 GB
External Memory No No microSD, up to 64 GB

display Display

Type TFT capacitive touchscreen AMOLED capacitive touchscreen, PureMotion HD+ ClearBlack Display, Gorilla Glass 3 IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 3.5 inches 4.5 inches 4.5 inches
Resolution 320 x 480 pixels (165 ppi) 768 x 1280 pixels (332 ppi) 480 x 854 pixels (218 ppi)
Screen-to-Body Ratio 50.75% 61.80% 64.43%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 3.15 MP, 2048x1536 pixels 41 MP (38 MP effective, 7152 x 5368 pixels) 5 MP, 2592 х 1944 pixels
Flash No Xenon Flash No
Features Auto focus, Touch Focus, Geo-tagging Carl Zeiss optics, Auto Focus, 1/1.2' Sensor Size, ND Filter, Optical Zoom, Geo-tagging, Face Detection, Optical Zoom, Panorama Geo-tagging
Video Yes, VGA@30fps, video geo-tagging Yes, 1080p@30fps Yes, 720p@30fps
Front Camera No [Similar] Yes, 1.2 MP, 720p [Similar] No [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Up to 107 kbps Yes
Edge Yes Up to 236.8 kbps Yes
3G HSDPA, 7.2 Mbps HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps; LTE, Cat3, 50 Mbps UL, 100 Mbps DL HSDPA, 21 Mbps; HSUPA, 5.76 Mbps; LTE, Cat3, 50 Mbps UL, 100 Mbps DL
Bluetooth Yes, v2.1 with A2DP, headset support only Yes, v3.0 with A2DP Yes, v4.0 with A2DP
Wi-Fi Wi-Fi 802.11b/g Wi-Fi 802.11 b/g/n, DLNA, UPnP technology Wi-Fi 802.11 b/g/n
USB Yes, v2.0 Yes, microUSB v2.0, USB On-the-go Yes, microUSB v2.0
GPS Yes, with A-GPS support Yes, with A-GPS support Yes, with A-GPS support and GLONASS
Browser HTML (Safari) HTML5 HTML5

memory User Memory

Internal 8/16/32 GB storage, 256 MB RAM 32 GB, 2 GB RAM 8 GB, 512 MB RAM
Expandable Storage No No 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 not supported NFC supported NFC not supported

battery Battery

Type Standard battery, Li-Ion Non-removable Li-Ion Battery, Wireless Charging Supported via Cover Li-Ion Battery
Capacity 2000 mAh 1830 mAh
Stand by Up to 300 h Up to 384 h Up to 648 h
Talk Time Up to 12 h (2G)
Up to 5 h (3G)
Up to 19 h 6 min (2G)
Up to 13 h 18 min (3G)
Up to 12 h (2G)
Up to 14 h (3G)