Phone Comparison - Nokia Lumia 520 vs Nokia Lumia 635 vs Samsung Galaxy Ace 4

general General Info

Manufacturer Nokia Nokia Samsung
Announced February 2013 April 2014 June 2014
Status Available - April 2013 Available - May 2014 Available - July 2014
Colors Yellow, red, cyan, white/black Orange, Yellow, White, Black Iris Charcoal, Classic White
Form Factor Candybar Candybar Candybar
Dimension 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)
121.4 x 62.9 x 10.8 mm
(4.78 x 2.48 x 0.43 in)
Weight 124 g (4.37 oz) 134 g (4.73 oz) 123.8 g (4.34.0.28 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 900 / 2100
HSDPA 850 / 1900 / 2100
HSDPA 850 / 900 / 1900 / 2100 HSDPA 900 / 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 Microsoft Windows Phone 8 Microsoft Windows Phone 8.1 Android OS, v4.4.2 (KitKat)
Processor Dual-core 1 GHz, Qualcomm MSM8227 Snapdragon S4 Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 Dual-core 1.0 GHz
GPU Adreno 305 Adreno 305 -
RAM 512 MB 512 MB 512 MB
Internal Memory 8 GB storage 8 GB 4 GB
External Memory microSD, up to 64 GB microSD, up to 64 GB microSD, up to 64 GB

display Display

Type IPS LCD capacitive touchscreen IPS LCD capacitive touchscreen TFT capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.0 inches 4.5 inches 4.0 inches
Resolution 480 x 800 pixels (233 ppi) 480 x 854 pixels (218 ppi) 480 x 800 pixels (233 ppi)
Screen-to-Body Ratio 59.47% 64.43% 59.76%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 5 MP, 2592х1944 pixels 5 MP, 2592 х 1944 pixels 5 MP, 2592 х 1944 pixels
Flash No No LED flash
Features Auto focus, Geo-tagging Geo-tagging Auto focus, Geo-tagging, Face And Smile Detection, Panorama
Video Yes, 720p@30fps Yes, 720p@30fps Yes, 720p@30fps
Front Camera No [Similar] No [Similar] Yes, VGA [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, 21 Mbps; HSUPA, 5.76 Mbps HSDPA, 21 Mbps; HSUPA, 5.76 Mbps; LTE, Cat3, 50 Mbps UL, 100 Mbps DL HSDPA, 21 Mbps; HSUPA, 5.76 Mbps
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 802.11 b/g/n Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot
USB Yes, microUSB 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 HTML5 HTML5 HTML5

memory User Memory

Internal 8 GB storage, 512 MB RAM 8 GB, 512 MB RAM 4 GB, 512 MB RAM
Expandable Storage microSD, up to 64 GB 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 not 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 Li-Ion Battery Li-Ion Battery Li-Ion Battery
Capacity 1430 mAh 1830 mAh 1500 mAh
Stand by Up to 384 h (3G)
Up to 360 h (3G)
Up to 648 h -
Talk Time Up to 17 h 24 min (2G)
Up to 9 h 42 min (3G)
Up to 12 h (2G)
Up to 14 h (3G)
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