Phone Comparison - Apple iPhone 4S vs Nokia Lumia 520 vs Nokia Lumia 635

general General Info

Manufacturer Apple Nokia Nokia
Announced October 2011 February 2013 April 2014
Status Available - October 2011 Available - April 2013 Available - May 2014
Colors Black, White Yellow, red, cyan, white/black Orange, Yellow, White, Black
Form Factor Candybar Candybar Candybar
Dimension 115.2 x 58.6 x 9.3 mm
(4.54 x 2.31 x 0.37 in)
119.9 x 64 x 9.9 mm
(4.72 x 2.52 x 0.39 in)
129.5 x 66.7 x 9.2 mm
(5.1 x 2.63 x 0.36 in)
Weight 140 g (4.94 oz) 124 g (4.37 oz) 134 g (4.73 oz)
2G Network GSM 850 / 900 / 1800 / 1900
CDMA2000 1xEV-DO
GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 900 / 2100
HSDPA 850 / 1900 / 2100
HSDPA 850 / 900 / 1900 / 2100
4G Network - - 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 iOS 5 Microsoft Windows Phone 8 Microsoft Windows Phone 8.1
Processor 1 GHz dual-core ARM Cortex-A9 processor, Apple A5 chipset Dual-core 1 GHz, Qualcomm MSM8227 Snapdragon S4 Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400
GPU PowerVR SGX543MP2 Adreno 305 Adreno 305
RAM 512 MB 512 MB 512 MB
Internal Memory 16/32/64 GB storage 8 GB storage 8 GB
External Memory No microSD, up to 64 GB microSD, up to 64 GB

display Display

Type LED-backlit IPS TFT IPS LCD capacitive touchscreen IPS LCD capacitive touchscreen
Colors capacitive touchscreen 16M colors 16M colors
Size 3.5 inches 4.0 inches 4.5 inches
Resolution 640 x 960 pixels (330 ppi) 480 x 800 pixels (233 ppi) 480 x 854 pixels (218 ppi)
Screen-to-Body Ratio 53.92% 59.47% 64.43%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio No FM Radio No
Games Downloadable, incl. motion-bas Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 8 MP, 3264x2448 pixels 5 MP, 2592х1944 pixels 5 MP, 2592 х 1944 pixels
Flash LED flash No No
Features Auto focus, Touch Focus, Geo-tagging, Face Detection, HDR Auto focus, Geo-tagging Geo-tagging
Video Yes, 1080p@30fps, LED video light, video stabilization, geo-tagging Yes, 720p@30fps Yes, 720p@30fps
Front Camera Yes, VGA [Similar] No [Similar] No [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, 14.4 Mbps; HSUPA, 5.8 Mbps HSDPA, 21 Mbps; HSUPA, 5.76 Mbps HSDPA, 21 Mbps; HSUPA, 5.76 Mbps; LTE, Cat3, 50 Mbps UL, 100 Mbps DL
Bluetooth Yes, v4.0 with A2DP Yes, v4.0 with A2DP Yes, v4.0 with A2DP
Wi-Fi Wi-Fi 802.11 b/g/n, Wi-Fi hotspot Wi-Fi 802.11 b/g/n Wi-Fi 802.11 b/g/n
USB Yes, v2.0 Yes, microUSB v2.0 Yes, microUSB v2.0
GPS Yes, with A-GPS support and GLONASS Yes, with A-GPS support and GLONASS Yes, with A-GPS support and GLONASS
Browser HTML (Safari) HTML5 HTML5

memory User Memory

Call Records 100 received, dialed and missed calls Practically unlimited Practically unlimited
Internal 16/32/64 GB storage, 512 MB RAM 8 GB storage, 512 MB RAM 8 GB, 512 MB RAM
Expandable Storage No microSD, up to 64 GB microSD, up to 64 GB

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 not supported NFC not supported

battery Battery

Type Standard battery, Li-Po Li-Ion Battery Li-Ion Battery
Capacity 1432 mAh 1430 mAh 1830 mAh
Stand by Up to 200 h (2G)
Up to 200 h (3G)
Up to 384 h (3G)
Up to 360 h (3G)
Up to 648 h
Talk Time Up to 14 h (2G)
Up to 8 h (3G)
Up to 17 h 24 min (2G)
Up to 9 h 42 min (3G)
Up to 12 h (2G)
Up to 14 h (3G)