Phone Comparison - Nokia Lumia 820 vs Nokia Lumia 925 vs Nokia Lumia 1020

general General Info

Manufacturer Nokia Nokia Nokia
Announced Expected September 2012 May 2013 July 2013
Status Available - November 2012 Available - June 2013 Available - July 2013
Colors Black, Gray, Red, Yellow, White, Blue, Violet Black, White Black, White, Yellow
Form Factor Candybar Candybar Candybar
Dimension 123.8 x 68.5 x 9.9 mm
(4.87 x 2.7 x 0.39 in)
129 x 70.6 x 8.5 mm
(5.08 x 2.78 x 0.33 in)
130.4 x 71.4 x 10.4 mm
(5.13 x 2.81 x 0.41 in)
Weight 160 g (5.64 oz) 139 g (4.9 oz) 158 g (5.57 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 / 1900 / 2100 - RM-892, RM-893
HSDPA 850 / 900 / 1700 / 1900 / 2100 - RM-910
HSDPA 850 / 900 / 1900 / 2100
4G Network LTE 800 / 1800 / 2600 / 2100/ 900 LTE 800 / 900 / 1800 / 2100 / 2600 - RM-892
LTE 700 / 1700 / 2100 - RM-893
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 Microsoft Windows Phone 8 Microsoft Windows Phone 8
Processor Dual-core 1.5 GHz Krait, Qualcomm MSM8960 Snapdragon Dual-core 1.5 GHz Krait, Qualcomm MSM8960 Snapdragon Dual-core 1.5 GHz Krait, Qualcomm MSM8960 Snapdragon
GPU Adreno 225 Adreno 225 Adreno 225
RAM 1 GB 1 GB 2 GB
Internal Memory 8 GB storage 16/32 GB storage 32 GB
External Memory microSD, up to 32 GB No No

display Display

Type AMOLED capacitive touchscreen AMOLED capacitive touchscreen AMOLED capacitive touchscreen, PureMotion HD+ ClearBlack Display, Gorilla Glass 3
Colors 16M colors 16M colors 16M colors
Size 4.3 inches 4.5 inches 4.5 inches
Resolution 480 x 800 pixels (217 ppi) 768 x 1280 pixels (332 ppi) 768 x 1280 pixels (332 ppi)
Screen-to-Body Ratio 62.04% 63.18% 61.80%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 8 MP, 3264x2448 pixels, Carl Zeiss Tessa 8.7 MP, 3264 x 2448 pixels 41 MP (38 MP effective, 7152 x 5368 pixels)
Flash LED flash Dual-LED flash Xenon Flash
Features Auto focus, Geo-tagging PureView Technology, Geo-tagging, Touch Focus, Optical image stabilization, Still image editor, Face recognition Carl Zeiss optics, Auto Focus, 1/1.2' Sensor Size, ND Filter, Optical Zoom, Geo-tagging, Face Detection, Optical Zoom, Panorama
Video Yes Yes, 1080p@30fps, video stabilization Yes, 1080p@30fps
Front Camera Yes [Similar] Yes, 1.2 MP wide Angle, 720p@30fps [Similar] Yes, 1.2 MP, 720p [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps Up to 107 kbps
Edge Yes Up to 236.8 kbps Up to 236.8 kbps
3G HSDPA, 42 Mbps
HSUPA, 5.76 Mbps
LTE, Cat3, 50 Mbps UL, 100 Mbps DL
HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps; LTE, Cat3, 50 Mbps UL, 100 Mbps DL HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps; LTE, Cat3, 50 Mbps UL, 100 Mbps DL
Bluetooth Yes, v3.1 with A2DP, EDR Yes, v4.0 with A2DP, EDR Yes, v3.0 with A2DP
Wi-Fi Wi-Fi 802.11 b/g/n Wi-Fi 802.11 a/b/g/n, dual-band, DLNA, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, DLNA, UPnP technology
USB Yes, microUSB v2.0 Yes, microUSB v2.0 Yes, microUSB v2.0, USB On-the-go
GPS Yes, with A-GPS support Yes, with A-GPS support and GLONASS Yes, with A-GPS support
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 8 GB storage, 1 GB RAM 16/32 GB storage, 1 GB RAM 32 GB, 2 GB RAM
Expandable Storage microSD, up to 32 GB No No
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 supported NFC supported NFC supported

battery Battery

Type Standard battery, Li-Ion Non-removable Li-Ion Battery (BL-4YW) Non-removable Li-Ion Battery, Wireless Charging Supported via Cover
Capacity 1650 mAh 2000 mAh 2000 mAh
Stand by Up to 330 h (2G)
Up to 330 h (3G)
Up to 440 h (3G) Up to 384 h
Talk Time Up to 14 h (2G)
Up to 8 h (3G)
Up to 18 h 18 min (2G)
Up to 12 h 48 min (3G)
Up to 19 h 6 min (2G)
Up to 13 h 18 min (3G)