Allview A4 Duo
#7233
Celkon A9+
#7355Category Breakdown
Allview A4 Duo
Celkon A9+
Performance
53.152.7
Camera
39.639.6
Display
16.016.0
Battery
12.313.6
Build
0.20.2
Connectivity
30.219.3
Audio
8.98.9
Overall
19.919.3
Summary
- The Allview A4 Duo and Celkon A9+ both feature a 3.5-inch TFT display with a resolution of 320 x 480 pixels, offering similar visual experiences.
- In terms of performance, the Allview utilizes a dual-core 1.0 GHz Cortex-A7 CPU, while the Celkon is powered by a Spreadtrum SC6820 chipset, both with 512MB of RAM.
- Camera specifications are identical, with a 2 MP rear camera and no front camera on either device.
- The Celkon A9+ has a slightly larger battery capacity at 1350 mAh compared to the Allview's 1200 mAh, potentially offering longer usage time.
- The Allview runs on Android 4.2 Jelly Bean, while the Celkon operates on an earlier version, Android 4.0 Ice Cream Sandwich, which may affect software experience and app compatibility.
- Build-wise, the Allview is slightly thicker and heavier than the Celkon, which is marginally slimmer and lighter.
Side-by-side Specification Comparison
Allview A4 Duo
Celkon A9+
General
Release Date
2013
2013
Announced
2013
2013
Description
N/A
N/A
Display
Size
3.5"
3.5"
Type
TFT
TFT
Resolution
320 x 480 pixels, 3:2 ratio (~165 ppi density)
320 x 480 pixels, 3:2 ratio (~165 ppi density)
PPI
320
320
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
N/A
Spreadtrum SC6820
CPU
Dual-core 1.0 GHz Cotex-A7
1.0 GHz
GPU
Mali-400
N/A
Memory
512MB RAM
512MB 256MB RAM
Expandable Storage
✗
✗
Card Slot
No
microSDHC (dedicated slot)
Camera
Main Camera
2 MP
2 MP
Main Camera Features
N/A
N/A
Front Camera
N/A
Yes
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
1200 mAh
1350 mAh
Battery Details
Li-Ion 1200 mAh, removable
Li-Ion 1350 mAh battery
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
116.1 x 63.2 x 12 mm (4.57 x 2.49 x 0.47 in)
119.5 x 63 x 10.8 mm (4.70 x 2.48 x 0.43 in)
Weight
110.6 g
N/A
Materials
N/A
N/A
Colors
Black
Black, White
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Dual SIM (dual stand-by)
Dual SIM (Mini-SIM)
Network
GSM / HSPA
GSM
Network Speed
HSPA
N/A
5G
✗
✗
4G
✗
✗
WiFi
Wi-Fi 802.11 b/g/n, hotspot, Wi-Fi Direct
Wi-Fi 802.11 b/g/n
Bluetooth
4.0, A2DP, EDR
Yes
NFC
✗
✗
USB
microUSB 2.0
microUSB 2.0
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
No
No
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 4.2 (Jelly Bean)
Android 4.0 (Ice Cream Sandwich)
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer, proximity
Accelerometer