Phone Comparison - Nokia Lumia 820 vs Huawei Ascend G615 vs Nokia Lumia 720

general General Info

Manufacturer Nokia Huawei Nokia
Announced Expected September 2012 January 2013 February 2013
Status Available - November 2012 Available - March 2013 Available - April 2013
Colors Black, Gray, Red, Yellow, White, Blue, Violet Metallic black, Ceramic white White, Red, Yellow, Cyan/Black
Form Factor Candybar Candybar Candybar
Dimension 123.8 x 68.5 x 9.9 mm
(4.87 x 2.7 x 0.39 in)
134 x 67.5 x 10.5 mm
(5.28 x 2.66 x 0.41 in)
127.9 x 67.5 x 9 mm
(5.04 x 2.66 x 0.35 in)
Weight 160 g (5.64 oz) 145 g (5.11 oz) 128 g (4.52 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 HSDPA 850 / 900 / 1900 / 2100
4G Network LTE 800 / 1800 / 2600 / 2100/ 900 - -
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM

hardware Hardware and OS

OS Microsoft Windows Phone 8 Android OS, v4.0 (Ice Cream Sandwich), upgradable to v4.1 (Jelly Bean) Microsoft Windows Phone 8
Processor Dual-core 1.5 GHz Krait, Qualcomm MSM8960 Snapdragon Quad-core 1.4 GHz Cortex-A9, Huawei K3V2 Dual-core 1 GHz, Qualcomm MSM8227
GPU Adreno 225 Vivante GC4000 Adreno 305
RAM 1 GB 1 GB 512 MB
Internal Memory 8 GB storage 8 GB 8 GB storage
External Memory microSD, up to 32 GB microSD, up to 32 GB microSD, up to 64 GB

display Display

Type AMOLED capacitive touchscreen IPS LCD, capacitive touchscreen TFT capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.3 inches 4.5 inches 4.3 inches
Resolution 480 x 800 pixels (217 ppi) 720 x 1280 pixels (326 ppi) 480 x 800 pixels (217 ppi)
Screen-to-Body Ratio 62.04% 61.85% 60.94%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 8 MP, 3264x2448 pixels, Carl Zeiss Tessa 8 MP, 3264x2448 pixels 6.7 MP, Carl Zeiss optics
Flash LED flash dual-LED flash LED flash
Features Auto focus, Geo-tagging Auto focus, Geo-tagging Auto focus, Geo-tagging
Video Yes Yes, 1080p@30fps Yes, 720p@30fps
Front Camera Yes [Similar] Yes, 1.3 MP, 720p [Similar] Yes, 1.3 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, 42 Mbps
HSUPA, 5.76 Mbps
LTE, Cat3, 50 Mbps UL, 100 Mbps DL
HSDPA, 21 Mbps; HSUPA, 5.76 Mbps HSDPA, 21 Mbps; HSUPA, 5.76 Mbps
Bluetooth Yes, v3.1 with A2DP, EDR Yes, v3.0 with A2DP, HS Yes, v3.0 with A2DP
Wi-Fi Wi-Fi 802.11 b/g/n Wi-Fi 802.11 b/g/n, Wi-Fi hotspot, DLNA Wi-Fi 802.11 a/b/g/n, dual-band
USB Yes, microUSB v2.0 Yes, microUSB v2.0 Yes, microUSB v2.0
GPS Yes, with A-GPS support Yes, with A-GPS support Yes, with A-GPS support and GLONASS
Browser HTML5 HTML5 HTML5

memory User Memory

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

battery Battery

Type Standard battery, Li-Ion Standard battery, Li-Ion Li-Ion Battery
Capacity 1650 mAh 2150 mAh 2000 mAh
Stand by Up to 330 h (2G)
Up to 330 h (3G)
Up to 360 h Up to 520 h
Talk Time Up to 14 h (2G)
Up to 8 h (3G)
Up to 11 h Up to 23 h 20 min (2G)
Up to 13 h 20 min (3G)