Phone Comparison - Nokia Lumia 635 vs Samsung Galaxy Ace 4 vs Huawei Ascend Y550

general General Info

Manufacturer Nokia Samsung Huawei
Announced April 2014 June 2014 September 2014
Status Available - May 2014 Available - July 2014 Available - November 2014
Colors Orange, Yellow, White, Black Iris Charcoal, Classic White Black, White
Form Factor Candybar Candybar Candybar
Dimension 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)
133 x 68 x 9.5 mm
(5.24 x 2.68 x 0.37 in)
Weight 134 g (4.73 oz) 123.8 g (4.34.0.28 oz) 153 g (5.4 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 900 / 2100 HSDPA 900 / 2100
4G Network LTE - LTE 800 / 900 / 1800 / 2100 / 2600
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 8.1 Android OS, v4.4.2 (KitKat) Android OS, v4.4.2 (KitKat)
Processor Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 Dual-core 1.0 GHz Quad-core 1.2 GHz Cortex-A53, Qualcomm MSM8916 Snapdragon 410
GPU Adreno 305 - Adreno 306
RAM 512 MB 512 MB 1 GB
Internal Memory 8 GB 4 GB 4 GB
External Memory microSD, up to 64 GB microSD, up to 64 GB microSD, up to 32 GB

display Display

Type IPS LCD capacitive touchscreen TFT capacitive touchscreen IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.5 inches 4.0 inches 4.5 inches
Resolution 480 x 854 pixels (218 ppi) 480 x 800 pixels (233 ppi) 480 x 854 pixels (218 ppi)
Screen-to-Body Ratio 64.43% 59.76% 61.53%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 5 MP, 2592 х 1944 pixels 5 MP, 2592 х 1944 pixels 5 MP, 2592 х 1944 pixels
Flash No LED flash LED flash
Features Geo-tagging Auto focus, Geo-tagging, Face And Smile Detection, Panorama Auto focus, Geo-tagging, Touch Focus, Face Detection
Video Yes, 720p@30fps Yes, 720p@30fps 720p@30fps
Front Camera No [Similar] Yes, VGA [Similar] 2 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, 21 Mbps; HSUPA, 5.76 Mbps; LTE, Cat3, 50 Mbps UL, 100 Mbps DL HSDPA, 21 Mbps; HSUPA, 5.76 Mbps HSDPA, 42 Mbps, HSUPA, 11 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL
Bluetooth Yes, v4.0 with A2DP Yes, v4.0 with A2DP v4.0, A2DP, LE
Wi-Fi Wi-Fi 802.11 b/g/n Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi hotspot
USB Yes, microUSB v2.0 Yes, microUSB v2.0 microUSB v2.0
GPS Yes, with A-GPS support and GLONASS Yes, with A-GPS support and GLONASS Yes, with A-GPS, GLONASS
Browser HTML5 HTML5 HTML

memory User Memory

Internal 8 GB, 512 MB RAM 4 GB, 512 MB RAM 4 GB, 1 GB RAM
Expandable Storage microSD, up to 64 GB microSD, up to 64 GB microSD, up to 32 GB

Apps Sensors

Fingerprint fingerprint not supported fingerprint not supported fingerprint not supported
Proximity Sensor proximity sensor present proximity sensor not 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 Li-Ion Battery Li-Ion Battery Li-Ion Battery
Capacity 1830 mAh 1500 mAh 2000 mAh
Stand by Up to 648 h - -
Talk Time Up to 12 h (2G)
Up to 14 h (3G)
- -