Here is the full comparison of the two Lumias announced today. You can also see the full Pdf of Lumia 920 vs Lumia 820.

Key Facts
Title ColumnLumia 820Lumia 920
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Overview
  • Innovative design with colourful shells
  • See updates at a glance on Live Tiles
  • Unique camera technology, Carl Zeiss lens and 4.3″ display
  • PureView technology with Optical Image Stabilisation
  • PureMotion HD+ and 4.5″ display
  • Innovative design with wireless charging
Available colours
PlatformWindowsWindows
Size‎                                        9.9 x 123.8 x 68.5 mm‎ 10.7 x 130.3 x 70.8 mm
Weight160             g185             g
Display                                AMOLED, ClearBlack , 4.3 ”, 800 pixels, 480 pixels                                PureMotion HD+ , 4.5 ”, 1280 pixels, 768 pixels
Battery usage time                                330 h – Maximum 3G standby time 8 h – Maximum 3G talk time 5 h – Maximum video playback time 55 h – Maximum music playback time                                400 h – Maximum 3G standby time 10 h – Maximum 3G talk time 6 h – Maximum video playback time 67 h – Maximum music playback time
Camera                                8.0 megapixels                                8.7 megapixels
Design

Design

Key Facts
Title ColumnLumia 820Lumia 920
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Display size4.3             ”4.5             ”
Screen height800             pixels1280             pixels
Screen width480             pixels768             pixels
Display technologyAMOLED, ClearBlackPureMotion HD+
Display features
  • Polarization filter
  • Light time-out
  • Ambient light detector
  • Brightness control
  • Orientation sensor
  • Proximity sensor
  • High Brightness mode
  • RGB Stripe
  • Sunlight readability enhancements
  • Aspect ratio 15:9
  • Super sensitive touch
  • Color boosting
  • Polarization filter
  • Light time-out
  • Ambient light detector
  • Brightness control
  • Orientation sensor
  • Sculpted 2.5D glass
  • Proximity sensor
  • High Brightness mode
  • RGB Stripe
  • Sunlight readability enhancements
  • Pixel density 332 ppi
  • Luminance 600 nits
  • Aspect ratio 15:9
  • Corning® Gorilla® Glass
  • Super sensitive touch
  • Color boosting
  • IPS
  • Refresh rate 60 Hz
Hardware

Hardware

Key Facts
Title ColumnLumia 820Lumia 920
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Connectors
  • Micro-USB Charging Connector
  • Micro-USB Data Connector
  • 3.5 mm Universal Audio Connector
  • Micro-USB 2.0
  • Micro-USB Charging Connector
  • Micro-USB Data Connector
  • 3.5 mm Universal Audio Connector
  • Micro-USB 2.0
Wireless connectivity
  • Near Field Communication
  • Bluetooth 3.1
  • Wi-Fi Direct
  • Wi-Fi Channel bonding
  • WLAN IEEE 802.11 a/b/g/n
  • Qi Wireless charging
  • Near Field Communication
  • Bluetooth 3.1
  • Wi-Fi Direct
  • Wi-Fi Channel bonding
  • WLAN IEEE 802.11 a/b/g/n
  • Qi Wireless charging
Battery modelBP-5TBP-4GW
Internal memory1000             MB1000             MB
Mass memory8GB and 7GB in SkyDrive32GB and 7GB in SkyDrive
Photography

Photography

Key Facts
Title ColumnLumia 820Lumia 920
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Camera sensor (main camera resolution)8.0             megapixels8.7             megapixels
Camera focus typeAuto focus with two-stage capture keyAuto focus with two-stage capture key
Camera resolution3264 x 2448 pixels3264 x 2448 pixels
Camera digital zoom4             x4             x
Camera image formatsJPEG/ExifJPEG/Exif
Camera F number/aperture2.22.0
Camera features
  • Touch focus
  • Landscape orientation
  • Geo-tagging
  • Auto and manual white balance
  • Still image editor
  • Lenses applications
  • True 16:9 sensor
  • Nokia PureView camera
  • Touch focus
  • Landscape orientation
  • Geo-tagging
  • Auto and manual white balance
  • Still image editor
  • Optical Image Stabilization
  • Lenses applications
  • Sensor size 1/3 inch
  • Sensor type: BSI
  • True 16:9 sensor
  • Pixel size 1.4 µm
Camera flash typeDual LED flashShort pulse high power dual LED
Video

Video

Key Facts
Title ColumnLumia 820Lumia 920
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Video camera resolution1920 x 1080 pixels1920 x 1080 pixels
Video features
  • Video recorder
  • Video call
  • Video sharing
  • Video player
  • Video recorder
  • Video call
  • Video sharing
  • Video player
Camera video frame rate30             fps30             fps
Camera video zoom4             x4             x
Internet

Internet

Key Facts
Title ColumnLumia 820Lumia 920
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BrowserInternet Explorer 10Internet Explorer 10
Communications

Communications

Key Facts
Title ColumnLumia 820Lumia 920
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Email features
  • Viewing and editing of email attachments
  • Email with filtering
  • Always up to date
  • Multiple simultaneous email accounts
  • HTML email
  • Text-to-speech message reader
  • Email attachments
  • Conversational view on email
  • Linking multible inboxes to one
  • Viewing and editing of email attachments
  • Email with filtering
  • Always up to date
  • Multiple simultaneous email accounts
  • HTML email
  • Text-to-speech message reader
  • Email attachments
  • Conversational view on email
  • Linking multible inboxes to one
Navigation

Navigation

Key Facts
Title ColumnLumia 820Lumia 920
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Navigation features and services
  • Nokia Maps
  • Nokia Drive: route optimization
  • Nokia City Lens
  • Nokia Transport
  • Offline maps
  • Turn-by-turn voice guided navigation
  • Nokia Maps
  • Nokia Drive: route optimization
  • Nokia City Lens
  • Nokia Transport
  • Offline maps
  • Turn-by-turn voice guided navigation
Music and audio

Music and audio

Key Facts
Title ColumnLumia 820Lumia 920
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Music features
  • Dolby Headphone
  • Music Player
  • Media Player
  • Audio Streaming
  • Dolby Headphone
  • Music Player
  • Media Player
  • Audio Streaming
Audio playback file formats
  • ASF
  • WAV
  • MP4
  • AAC
  • AMR
  • MP3
  • M4A
  • WMA
  • 3GP
  • 3G2
  • ASF
  • WAV
  • MP4
  • AAC
  • AMR
  • MP3
  • M4A
  • WMA
  • 3GP
  • 3G2
Business features

Business features

Key Facts
Title ColumnLumia 820Lumia 920
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Email solution
  • Yahoo! Mail
  • IBM Lotus Traveler
  • Windows Live / Hotmail / Outlook.com
  • Gmail
  • Mail for Exchange
  • Office 365
  • Nokia Email
  • Yahoo! Mail
  • IBM Lotus Traveler
  • Windows Live / Hotmail / Outlook.com
  • Gmail
  • Mail for Exchange
  • Office 365
  • Nokia Email
Email protocols
  • SMTP
  • IMAP4
  • POP3
  • SMTP
  • IMAP4
  • POP3
Environment

Environment

Key Facts
Title ColumnLumia 820Lumia 920
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Packaging
  • Made of renewable materials
  • Containing up to 60% recycled materials
  • Minimized package
  • Packaging is 100 % recyclable
  • Virgin wood fibres up to 100% certified
  • Made of renewable materials
  • Containing up to 60% recycled materials
  • Minimized package
  • Packaging is 100 % recyclable
  • Virgin wood fibres up to 100% certified
Materials
  • Free of BFR, rFR as in Nokia Subst. List
  • Free of PVC
  • Contains bio plastics
  • Contains recycled metals
  • Free of nickel on the product surface
  • Free of BFR, rFR as in Nokia Subst. List
  • Free of PVC
  • Contains recycled metals
  • Free of nickel on the product surface