Nokia N82 main features:

• Network: HSDPA / GSM 850 / 900 / 1800 / 1900
• Dimensions: 112 x 50.2 x 17.3 mm, 90 cc
• Weight: 114g
  
• MicroSD card slot and 100 MB internal memory
• Built-in GPS navigation with aGPs
• Symbian OS 9.2, S60 rel. 3.1
  
• Wifi, bluetooth, microUSB, EDGE, HSDPA, GPRS, HSCDS
  
• 5 megapixel (2592 x 1944 pixels) camera, 10x digital zoom, autofocus, xenon flash, Carl Zeiss Optics: Tessar lens, MPEG-4 VGA video capture of up to 30 fps

 Sony Ericsson K800i features:

• UMTS / GSM 900 / GSM 1800 / GSM 1900
  
• Dimensions: 105 x 47 x 22 mm
• Weight: 115 g
• TFT display, 256K colors, 240 x 320 pixels, 2.0 inch, 30 x 40 mm
• Memory Stick Micro (M2) card slot, 64 MB internal memory
• GPRS, 3G, bluetooth v2.0, USB v2.0
• 3.2 MP, 2048x1536 pixels, 16x digital zoom, autofocus, video(QCIF), xenon flash

Comparison: Nokia 2630 - Nokia N82 - SE K800 - Motorola L6

The Nokia N82 is slightly bigger 

3.5 mm output jack for audio and TV-out
 

MicroSD card (N82) and Memory Stick Micro (M2) (K800)


The built-in GPS works pretty well outdoors and in-car. N82 comes with Nokia Maps (no navigation). For navigation you can install Garmin Mobile XT, Sygic Mobile, Route66 Nokia Symbian or Navigon Mobile Navigator.

The sales package comes with: BP-6MT battery, Charger, Music Headset HS-43, Connectivity Cable CA-101, Video Connectivity Cable CA-75U, 2GB microSD Card, manuals and drivers.

The N82 comes with two N-Gage demo games (FIFA 07 and Asphalt 3). Full N-Gage is only available for the N81 at the moment but will soon be available for other Nseries phones.

N82 has integrated WLAN (802.11 b/g) and UPnP.

Surfing is easy with Nokia's web browser. You can add web feeds, save pages, bookmarks, has zooming options and picture resizing, minimap. For landscape mode just tilt your phone.The build in browser in N82 is faster and better than Opera Mini 4.

 K800 camera pictures (resized): 

N82 camera pictures(resized):