Phone Comparison - Nokia Lumia 635 vs HTC Desire 510 vs ZTE Grand X Plus Z826

general General Info

Manufacturer Nokia HTC ZTE
Announced April 2014 August 2014 December 2014
Status Available - May 2014 Available - August 2014 Available - December 2014
Colors Orange, Yellow, White, Black Black, White Black/Silver
Form Factor Candybar Candybar Candybar
Dimension 129.5 x 66.7 x 9.2 mm
(5.1 x 2.63 x 0.36 in)
139.9 x 69.8 x 9.99 mm
(5.51 x 2.75 x 0.39 in)
144.6 x 73.9 x 9.6 mm
(5.69 x 2.91 x 0.38 in)
Weight 134 g (4.73 oz) 158 g (5.57 oz) 150 g (5.29 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 850 / 900 / 2100 HSDPA 850 / 1900 / 2100
4G Network LTE LTE 800 / 1800 / 2600 LTE 700 / 1700 / 2100 / 2600 (Bands 4, 7, 17)
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) with HTC Sense Android OS, v4.4.x (KitKat)
Processor Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 410 Quad-core 1.2 GHz, Qualcomm MSM8926 Snapdragon 400
GPU Adreno 305 Adreno 305 Adreno 305
RAM 512 MB 1 GB 2 GB
Internal Memory 8 GB 8 GB 8 GB
External Memory microSD, up to 64 GB microSD, up to 128 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 4.7 inches 5.0 inches
Resolution 480 x 854 pixels (218 ppi) 480 x 854 pixels (208 ppi) 720 x 1280 pixels (294 ppi)
Screen-to-Body Ratio 64.43% 62.60% 64.37%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 5 MP, 2592 х 1944 pixels 5 MP, 2592х1944 pixels 8 MP, 3264 x 2448 pixels
Flash No LED flash LED flash
Features Geo-tagging Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama Auto focus, Geo-tagging
Video Yes, 720p@30fps Yes, 720p@30fps 1080p@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, 42.2 Mbps; HSUPA, 5.76 Mbps HSPA, LTE
Bluetooth Yes, v4.0 with A2DP Yes, v4.0 with A2DP, LE v4.0, A2DP
Wi-Fi Wi-Fi 802.11 b/g/n Wi-Fi 802.11 b/g/n, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, hotspot
USB Yes, microUSB v2.0 Yes, microUSB v2.0, USB Host microUSB v2.0
GPS Yes, with A-GPS support and GLONASS Yes, with A-GPS support and GLONASS Yes, with A-GPS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 8 GB, 512 MB RAM 8 GB, 1 GB RAM 8 GB, 2 GB RAM
Expandable Storage microSD, up to 64 GB microSD, up to 128 GB microSD, up to 32 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 not supported NFC not supported

battery Battery

Type Li-Ion Battery Li-Po Battery Li-Ion Battery
Capacity 1830 mAh 2100 mAh 2300 mAh
Stand by Up to 648 h Up to 646 h (3G) -
Talk Time Up to 12 h (2G)
Up to 14 h (3G)
Up to 17 h 10 min (3G) -