Acer DX900
#5127
Celkon A20
#6423Category Breakdown
Acer DX900
Celkon A20
Performance
61.858.0
Camera
41.941.9
Display
64.364.3
Battery
43.543.5
Build
70.870.8
Overall
55.554.3
Summary
- The Acer DX900 features a compact 2.8-inch TFT resistive touchscreen with a resolution of 480 x 640 pixels, while the Celkon A20 offers a larger 4.0-inch TFT display with a resolution of 480 x 800 pixels, providing a slightly better pixel density.
- In terms of performance, the DX900 is powered by a 533 MHz CPU and has 128MB RAM, whereas the A20 has a dual-core 1.2 GHz CPU and 256MB RAM, resulting in better multitasking capabilities.
- Both phones have a 3.15 MP rear camera, but neither has a front camera.
- The DX900 has a 1530 mAh battery, while the A20 has a slightly smaller 1500 mAh battery.
- The DX900 runs on Microsoft Windows Mobile 6.1, whereas the A20 operates on Android 4.2.0, offering a more modern software experience.
Side-by-side Specification Comparison
Acer DX900
Celkon A20
General
Release Date
2009
2013
Announced
2009
2013
Description
Also known as Acer Tempo DX900, Acer Tempo X960
N/A
Display
Size
2.8"
4"
Type
TFT resistive touchscreen, 65K colors
TFT
Resolution
480 x 640 pixels, 4:3 ratio (~286 ppi density)
480 x 800 pixels, 5:3 ratio (~233 ppi density)
PPI
480
480
Refresh Rate
60Hz
60Hz
Peak Brightness
N/A
N/A
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
N/A
N/A
CPU
533 MHz Samsung S3C 6410
Dual-core 1.2 GHz
GPU
N/A
N/A
Memory
128MB RAM, 256MB ROM
256MB 512MB RAM
Expandable Storage
✗
✗
Card Slot
microSD (dedicated slot)
microSDHC (dedicated slot)
Camera
Main Camera
3.15 MP
3.15 MP
Main Camera Details
3.15 MP, AF
3.15 MP
Front Camera
N/A
N/A
Front Camera Details
VGA videocall camera
VGA
Video Recording
Yes
Yes
Selfie Video
N/A
N/A
OIS
✗
✗
Night Mode
✗
✗
RAW Support
✗
✗
Battery
Capacity
1530 mAh
1500 mAh
Battery Details
Removable Li-Po 1530 mAh battery
Li-Ion 1500 mAh battery
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Design
Dimensions
106 x 60.5 x 17 mm (4.17 x 2.38 x 0.67 in)
N/A
Weight
147 g
N/A
Materials
N/A
N/A
Water Resistance
N/A
N/A
Colors
Black
Black
Foldable
✗
✗
Connectivity
SIM
Dual SIM (Mini-SIM)
Dual SIM (Mini-SIM)
Network
GSM / HSPA
GSM / HSPA
Network Speed
HSPA 7.2/0.384 Mbps
Yes, 384 kbps
5G
✗
✗
4G
✗
✗
WiFi
Wi-Fi 802.11 b/g
Wi-Fi 802.11 b/g/n
Bluetooth
2.0, A2DP
Yes
NFC
✗
✗
USB
miniUSB
microUSB 2.0
IR Blaster
✗
✗
Headphone Jack
✗
✓
Radio
✗
✗
Positioning
GPS, SiRF Star III chipset
No
Software
Operating System
Microsoft Windows Mobile 6.1 Professional
Android 4.2.0 (Jelly Bean)
OS Version
Microsoft Windows Mobile 6.1 Professional
Android 4.2.0 (Jelly Bean)
Security
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer
Proximity, gyro
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
No
Yes