Acer DX900
#8187
LG Optimus Chat C550
#7164Category Breakdown
Acer DX900
LG Optimus Chat C550
Performance
45.834.7
Camera
39.639.6
Display
11.233.2
Battery
15.915.2
Build
0.217.5
Connectivity
21.925.9
Audio
8.98.9
Overall
16.020.2
Summary
- The Acer DX900, released in 2009, features a robust build with dimensions of 106 x 60.5 x 17 mm and weighs 147g, while the LG Optimus Chat C550, launched in 2011, is slightly lighter at 122g and has dimensions of 109 x 59 x 16 mm.
- Both devices have a 2.8-inch TFT display, but the DX900 offers a higher resolution of 480 x 640 pixels compared to the C550's 320 x 480 pixels, resulting in better pixel density.
- In terms of performance, the DX900 is equipped with a 533 MHz CPU and 128MB RAM, while the C550 has 140MB RAM, though specific CPU details are not provided.
- Both smartphones have a 3.15 MP rear camera with autofocus, but neither supports optical image stabilization.
- The DX900 has a 1530 mAh battery, slightly larger than the C550's 1500 mAh, and both run on different operating systems, with the DX900 using Windows Mobile 6.1 and the C550 running Android 2.2, providing a different software experience.
Side-by-side Specification Comparison
Acer DX900
LG Optimus Chat C550
General
Release Date
2009
2011
Announced
2009
2011
Description
Also known as Acer Tempo DX900, Acer Tempo X960
N/A
Display
Size
2.8"
2.8"
Type
TFT resistive touchscreen, 65K colors
TFT, 256K colors
Resolution
480 x 640 pixels, 4:3 ratio (~286 ppi density)
320 x 480 pixels, 3:2 ratio (~206 ppi density)
PPI
480
320
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
N/A
N/A
CPU
533 MHz Samsung S3C 6410
N/A
GPU
N/A
N/A
Memory
128MB RAM, 256MB ROM
140MB
Expandable Storage
✗
✗
Card Slot
microSD (dedicated slot)
microSDHC (dedicated slot)
Camera
Main Camera
3.15 MP, AF
3.15 MP, AF
Main Camera Features
LED flash
N/A
Front Camera
VGA videocall camera
N/A
Front Camera Features
N/A
N/A
Video Recording
Yes
Yes
Selfie Video
N/A
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
1530 mAh
1500 mAh
Battery Details
Removable Li-Po 1530 mAh battery
Removable Li-Ion 1500 mAh battery
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
106 x 60.5 x 17 mm (4.17 x 2.38 x 0.67 in)
109 x 59 x 16 mm (4.29 x 2.32 x 0.63 in)
Weight
147 g
122 g
Materials
N/A
N/A
Colors
Black
Black, silver, blue, red, pink
Foldable
✗
✗
SAR
N/A
0.49 W/kg (head) 0.39 W/kg (body)
Connectivity
SIM
Dual SIM (Mini-SIM)
Mini-SIM
Network
GSM / HSPA
GSM / HSPA
Network Speed
HSPA 7.2/0.384 Mbps
HSPA 7.2/5.76 Mbps
5G
✗
✗
4G
✗
✗
WiFi
Wi-Fi 802.11 b/g
Wi-Fi 802.11 b/g, Wi-Fi Direct, hotspot
Bluetooth
2.0, A2DP
2.1, A2DP, EDR
NFC
✗
✗
USB
miniUSB
microUSB 2.0
IR Blaster
✗
✗
Headphone Jack
✗
✓
Radio
✗
✗
Positioning
GPS, SiRF Star III chipset
GPS, A-GPS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
No
Yes
Software & Security
Operating System
Microsoft Windows Mobile 6.1 Professional
Android 2.2 (Froyo)
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer
Accelerometer