Acer DX650
#11710
Nokia N81 8GB
#9637Category Breakdown
Acer DX650
Nokia N81 8GB
Performance
5.113.3
Camera
0.010.0
Display
9.539.1
Battery
12.811.2
Build
0.216.6
Connectivity
11.918.1
Audio
8.98.9
Overall
4.511.8
Summary
- The Acer DX650 features a slightly larger 2.8-inch TFT resistive touchscreen with a resolution of 240 x 320 pixels, while the Nokia N81 8GB has a 2.4-inch TFT display with the same resolution but offers 16 million colors, resulting in better color depth.
- In terms of performance, the DX650 is powered by a 533 MHz Samsung S3C 6410 CPU, compared to the N81's 369 MHz ARM 11 processor, though the N81 has 8GB of internal storage and 96MB of RAM, enhancing its multitasking capabilities.
- Both devices have a 2 MP rear camera without OIS, but the N81 can record video at 320p@15fps, while the DX650 lacks video recording capabilities.
- The DX650 has a 1260 mAh battery, slightly larger than the N81's 1050 mAh, but both lack fast charging and wireless capabilities.
- The DX650 runs on Microsoft Windows Mobile 6.1 Professional, whereas the N81 operates on Symbian OS 9.2, offering different software experiences and user interfaces.
Side-by-side Specification Comparison
Acer DX650
Nokia N81 8GB
General
Release Date
2009
2007
Announced
2009
2007
Description
N/A
N/A
Display
Size
2.8"
2.4"
Type
TFT resistive touchscreen, 65K colors
TFT, 16M colors
Resolution
240 x 320 pixels, 4:3 ratio (~143 ppi density)
240 x 320 pixels, 4:3 ratio (~167 ppi density)
PPI
240
240
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
N/A
N/A
CPU
Samsung S3C 6410 533 MHz
369 MHz ARM 11
GPU
N/A
N/A
Memory
N/A
8GB 96MB RAM
Expandable Storage
✗
✗
Card Slot
microSD (dedicated slot)
No
Camera
Main Camera
2 MP
2 MP
Main Camera Features
N/A
LED flash
Front Camera
N/A
CIF videocall camera
Front Camera Features
N/A
N/A
Video Recording
No
320p@15fps
Selfie Video
N/A
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
1260 mAh
1050 mAh
Battery Details
Removable Li-Ion 1260 mAh battery
Removable Li-Po 1050 mAh battery (BT-6MT)
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
109.6 x 59 x 15.6 mm (4.31 x 2.32 x 0.61 in)
102 x 50 x 17.9 mm, 86 cc (4.02 x 1.97 x 0.70 in)
Weight
133 g
140 g
Materials
N/A
N/A
Colors
Black
Cocoa brown
Foldable
✗
✗
SAR
N/A
0.81 W/kg (head) 0.60 W/kg (body)
Connectivity
SIM
Mini-SIM
Mini-SIM
Network
GSM
GSM / UMTS
Network Speed
N/A
Yes, 384 kbps
5G
✗
✗
4G
✗
✗
WiFi
Wi-Fi 802.11 b/g
Wi-Fi 802.11b/g with UPnP
Bluetooth
2.0, A2DP
2.0, A2DP
NFC
✗
✗
USB
miniUSB
microUSB 2.0
IR Blaster
✗
✗
Headphone Jack
✗
✓
Radio
✗
✗
Positioning
GPS, SiRF Star III chipset
No
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
No
Yes
Software & Security
Operating System
Microsoft Windows Mobile 6.1 Professional
Symbian OS 9.2, Series 60 v3.1 UI
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer
N/A