Category Breakdown
Nokia N81 8GB
Samsung i900 Omnia
Performance
13.314.7
Camera
10.039.6
Display
39.110.8
Battery
11.214.3
Build
16.617.2
Connectivity
18.122.7
Audio
8.98.9
Overall
11.812.4
Summary
- The Nokia N81 8GB features a compact build with dimensions of 102 x 50 x 17.9 mm and weighs 140g, while the Samsung i900 Omnia is slightly larger at 112 x 56.9 x 12.5 mm and lighter at 122g.
- The N81 has a 2.4-inch TFT display with a resolution of 240 x 320 pixels, whereas the Omnia offers a larger 3.2-inch TFT resistive touchscreen with a resolution of 240 x 400 pixels.
- In terms of performance, the N81 is powered by a 369 MHz ARM 11 CPU, while the Omnia has a more capable 624 MHz Marvell PXA312 CPU.
- The camera on the Omnia is significantly superior with a 5 MP sensor compared to the N81's 2 MP, and it also supports video recording.
- Battery capacity is higher in the Omnia at 1440 mAh versus the N81's 1050 mAh, providing better longevity.
- The N81 runs on Symbian OS 9.2, while the Omnia operates on Microsoft Windows Mobile 6.1 Professional, offering different software experiences.
Side-by-side Specification Comparison
Nokia N81 8GB
Samsung i900 Omnia
General
Release Date
2007
2008
Announced
2007
2008
Description
N/A
Also known as Samsung WiTu
Display
Size
2.4"
3.2"
Type
TFT, 16M colors
TFT resistive touchscreen, 256K colors (65K effective)
Resolution
240 x 320 pixels, 4:3 ratio (~167 ppi density)
240 x 400 pixels, 5:3 ratio (~146 ppi density)
PPI
240
240
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
N/A
N/A
CPU
369 MHz ARM 11
Marvell PXA312 624 MHz
GPU
N/A
N/A
Memory
8GB 96MB RAM
8GB 128MB RAM, 16GB 128MB RAM
Expandable Storage
✗
✗
Card Slot
No
microSDHC (dedicated slot)
Camera
Main Camera
2 MP
5 MP, AF
Main Camera Features
LED flash
LED flash
Front Camera
CIF videocall camera
Videocall camera
Front Camera Features
N/A
N/A
Video Recording
320p@15fps
Yes
Selfie Video
N/A
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
1050 mAh
1440 mAh
Battery Details
Removable Li-Po 1050 mAh battery (BT-6MT)
Removable Li-Ion 1440 mAh battery
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
102 x 50 x 17.9 mm, 86 cc (4.02 x 1.97 x 0.70 in)
112 x 56.9 x 12.5 mm (4.41 x 2.24 x 0.49 in)
Weight
140 g
122 g
Materials
N/A
N/A
Colors
Cocoa brown
Modern Black
Foldable
✗
✗
SAR
0.81 W/kg (head) 0.60 W/kg (body)
0.39 W/kg (head) 0.52 W/kg (body)
Connectivity
SIM
Mini-SIM
Mini-SIM
Network
GSM / UMTS
GSM / HSPA
Network Speed
Yes, 384 kbps
HSPA 7.2/0.384 Mbps
5G
✗
✗
4G
✗
✗
WiFi
Wi-Fi 802.11b/g with UPnP
Wi-Fi 802.11b/g
Bluetooth
2.0, A2DP
2.0, A2DP
NFC
✗
✗
USB
microUSB 2.0
2.0
IR Blaster
✗
✗
Headphone Jack
✓
✗
Radio
✗
✗
Positioning
No
GPS, A-GPS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
No
Software & Security
Operating System
Symbian OS 9.2, Series 60 v3.1 UI
Microsoft Windows Mobile 6.1 Professional
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
N/A
Accelerometer

