Acer M900
#6783
Celkon A900
#6797Category Breakdown
Acer M900
Celkon A900
Performance
57.357.3
Camera
42.042.0
Display
64.364.3
Battery
43.543.5
Build
68.868.8
Overall
53.953.9
Summary
- The Acer M900 features a compact build with dimensions of 119 x 62 x 17.1 mm and a weight of 188g, while the Celkon A900 is larger at 152.8 x 81.7 x 10.2 mm and lighter at 185g.
- The M900 has a 3.8-inch TFT resistive touchscreen with a resolution of 480 x 800 pixels, whereas the A900 offers a 5.0-inch TFT display with the same resolution but a lower pixel density of ~187 ppi.
- In terms of performance, the M900 is powered by a 533 MHz CPU, while the A900 has a more capable 1.0 GHz processor.
- Both devices have a 5 MP rear camera, but neither supports optical image stabilization or has a front camera.
- The M900's battery capacity is 1530 mAh, compared to the A900's 2000 mAh, providing the latter with a longer potential usage time.
- The M900 runs on Microsoft Windows Mobile 6.1, while the A900 operates on Android 2.3.6, offering a different software experience with the latter supporting a headphone jack.
Side-by-side Specification Comparison
Acer M900
Celkon A900
General
Release Date
2009
2012
Announced
2009
2012
Description
N/A
N/A
Display
Size
3.8"
5"
Type
TFT resistive touchscreen, 65K colors
TFT
Resolution
480 x 800 pixels, 5:3 ratio (~246 ppi density)
480 x 800 pixels, 5:3 ratio (~187 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
1.0 GHz
GPU
N/A
N/A
Memory
N/A
N/A
Expandable Storage
✗
✗
Card Slot
microSD (dedicated slot)
microSDHC (dedicated slot)
Camera
Main Camera
5 MP
5 MP
Main Camera Details
5 MP, AF
5 MP
Front Camera
N/A
N/A
Front Camera Details
VGA videocall camera
Yes
Video Recording
Yes
Yes
Selfie Video
N/A
N/A
OIS
✗
✗
Night Mode
✗
✗
RAW Support
✗
✗
Battery
Capacity
1530 mAh
2000 mAh
Battery Details
Removable Li-Ion 1530 mAh battery
Li-Ion 2000 mAh battery
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Design
Dimensions
119 x 62 x 17.1 mm (4.69 x 2.44 x 0.67 in)
152.8 x 81.7 x 10.2 mm (6.02 x 3.22 x 0.40 in)
Weight
188 g
185 g
Materials
N/A
N/A
Water Resistance
N/A
N/A
Colors
Black
Black
Foldable
✗
✗
Connectivity
SIM
Mini-SIM
Dual SIM (Mini-SIM)
Network
GSM / HSPA
GSM / HSPA
Network Speed
HSPA 7.2/2 Mbps
HSPA
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
GPS
Software
Operating System
Microsoft Windows Mobile 6.1 Professional
Android 2.3.6 (Gingerbread)
OS Version
Microsoft Windows Mobile 6.1 Professional
Android 2.3.6 (Gingerbread)
Security
Fingerprint
✓
✗
Face Unlock
✗
✗
Sensors
Fingerprint (front-mounted)
Accelerometer
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
No
Yes