Phone Comparison - Motorola Defy Mini XT321 vs Nokia Lumia 820 vs Nokia Lumia 620

general General Info

Manufacturer Motorola Nokia Nokia
Announced Q2 2012 Expected September 2012 December 2012
Status Available - Q2 2012 Available - November 2012 Available - January 2013
Colors Black Black, Gray, Red, Yellow, White, Blue, Violet Lime green, orange, magenta, yellow, cyan, white, black
Form Factor Candybar Candybar Candybar
Dimension 109 x 58.5 x 12.55 mm
(4.29 x 2.3 x 0.49 in)
123.8 x 68.5 x 9.9 mm
(4.87 x 2.7 x 0.39 in)
115.4 x 61.1 x 11 mm
(4.54 x 2.41 x 0.43 in)
Weight 107 g (3.77 oz) 160 g (5.64 oz) 127 g (4.48 oz)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 2100 - SIM 1 only HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network - LTE 800 / 1800 / 2600 / 2100/ 900 -
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM

hardware Hardware and OS

OS Android OS, v2.3.6 (Gingerbread) Microsoft Windows Phone 8 Microsoft Windows Phone 8
Processor 600 MHz, Qualcomm MSM7225A-1 Snapdragon Dual-core 1.5 GHz Krait, Qualcomm MSM8960 Snapdragon Dual-core 1 GHz Krait, Qualcomm Snapdragon S4
GPU Adreno 200 Adreno 225 Adreno 305
RAM 512 MB 1 GB 512 MB
Internal Memory 512 MB ROM 8 GB storage 8 GB storage
External Memory microSD, up to 32GB microSD, up to 32 GB microSD, up to 64 GB

display Display

Type TFT capacitive touchscreen AMOLED capacitive touchscreen TFT capacitive touchscreen
Colors 256K colors 16M colors 16M colors
Size 3.2 inches 4.3 inches 3.8 inches
Resolution 320 x 480 pixels (180 ppi) 480 x 800 pixels (217 ppi) 480 x 800 pixels (246 ppi)
Screen-to-Body Ratio 47.97% 62.04% 58.06%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 3.15 MP, 2048x1536 pixels 8 MP, 3264x2448 pixels, Carl Zeiss Tessa 5 MP, 2592х1936 pixels
Flash LED flash LED flash LED flash
Features Geo-tagging Auto focus, Geo-tagging Auto focus, Geo-tagging
Video Yes, VGA@30fps Yes Yes, 720p@30fps
Front Camera Yes, VGA [Similar] Yes [Similar] Yes, VGA [Similar]

connectivity Connectivity and Data Rate

GPRS Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps Yes Class B
Edge Class 12 Yes Class B
3G HSDPA HSDPA, 42 Mbps
HSUPA, 5.76 Mbps
LTE, Cat3, 50 Mbps UL, 100 Mbps DL
HSDPA, 21 Mbps; HSUPA, 5.76 Mbps
Bluetooth Yes, v2.1 with EDR Yes, v3.1 with A2DP, EDR Yes, v3.0 with A2DP, EDR
Wi-Fi Wi-Fi 802.11 b/g/n, Wi-Fi Direct, DLNA, Wi-Fi hotspot Wi-Fi 802.11 b/g/n 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 HTML, Adobe Flash HTML5 HTML5

memory User Memory

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

battery Battery

Type Standard battery, Li-Ion Standard battery, Li-Ion Standard battery, Li-Ion
Capacity 1650 mAh 1650 mAh 1300 mAh (BL-4J)
Stand by Up to 200 h (2G)
Up to 140 h (3G)
Up to 330 h (2G)
Up to 330 h (3G)
Up to 330 h
Talk Time Up to 8 h 30 min (2G)
Up to 6 h (3G)
Up to 14 h (2G)
Up to 8 h (3G)
Up to 14 h 40 min (2G)
Up to 9 h 50 min (3G)