Celkon A403
#7286
O2 XDA Comet
#10093Category Breakdown
Celkon A403
O2 XDA Comet
Performance
25.726.9
Camera
39.639.6
Display
34.19.5
Battery
14.01.6
Build
0.20.2
Connectivity
25.614.8
Audio
8.98.9
Overall
19.610.7
Summary
- The Celkon A403 features a larger 4.0-inch TFT display with a resolution of 480 x 800 pixels, providing a sharper image compared to the O2 XDA Comet's 2.7-inch TFT resistive touchscreen at 240 x 320 pixels.
- In terms of performance, the A403 is equipped with a 1.0 GHz CPU and 4GB of RAM, significantly outperforming the Comet's 620 MHz CPU and 64MB of RAM.
- The A403 also has a superior camera setup with a 3.15 MP rear camera, while the Comet has a 2 MP rear camera and lacks a selfie camera.
- Battery capacity is better in the A403 at 1400 mAh, while the Comet does not specify a battery capacity.
- The A403 runs on Android 4.4.2, offering a more modern software experience compared to the Comet's Windows Mobile 6.0.
- Overall, the Celkon A403 demonstrates better build quality, display, performance, camera capabilities, battery life, and software experience.
Side-by-side Specification Comparison
Celkon A403
O2 XDA Comet
General
Release Date
2015
2007
Announced
2015
2007
Description
N/A
N/A
Display
Size
4"
2.7"
Type
TFT, 256K colors
TFT resistive touchscreen, 65K colors
Resolution
480 x 800 pixels, 5:3 ratio (~233 ppi density)
240 x 320 pixels, 4:3 ratio (~148 ppi density)
PPI
480
240
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
Spreadtrum SC7715
N/A
CPU
1.0 GHz
Intel XScale PXA 270 620 MHz
GPU
N/A
N/A
Memory
4GB 512MB RAM
64MB RAM, 1GB ROM
Expandable Storage
✗
✗
Card Slot
microSDHC
miniSD
Camera
Main Camera
3.15 MP
2 MP
Main Camera Features
LED flash
LED flash
Front Camera
1.3 MP
VGA videocall camera
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
1400 mAh
N/A
Battery Details
Li-Ion 1400 mAh battery
Removable Li-Ion battery
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
125 x 65 x 10.2 mm (4.92 x 2.56 x 0.40 in)
106 x 58 x 19 mm (4.17 x 2.28 x 0.75 in)
Weight
113 g
145 g
Materials
N/A
N/A
Colors
Black, Light Blue, Red, Yellow
Silver
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Dual SIM
Mini-SIM
Network
GSM / HSPA
GSM / HSPA
Network Speed
HSPA
HSPA
5G
✗
✗
4G
✗
✗
WiFi
Wi-Fi 802.11 b/g/n
Wi-Fi 802.11b/g
Bluetooth
2.0
1.2
NFC
✗
✗
USB
microUSB 2.0
miniUSB
IR Blaster
✗
✗
Headphone Jack
✓
✗
Radio
✗
✗
Positioning
A-GPS
No
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
No
Software & Security
Operating System
Android 4.4.2 (KitKat)
Microsoft Windows Mobile 6.0 Professional
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer
N/A