Category Breakdown
Allview A4 Duo
Samsung i620
Performance
53.126.9
Camera
39.639.6
Display
16.022.1
Battery
12.312.3
Build
0.216.8
Connectivity
30.211.7
Audio
8.98.9
Overall
19.914.4
Summary
- The Allview A4 Duo features a larger 3.5-inch TFT display with a resolution of 320 x 480 pixels, while the Samsung i620 has a smaller 2.2-inch TFT display with a resolution of 320 x 240 pixels.
- In terms of performance, the A4 Duo is powered by a dual-core 1.0 GHz Cortex-A7 processor and has 512MB of RAM, compared to the i620's 220 MHz ARM926EJ-S processor and 64MB of RAM.
- Both phones have a 2 MP rear camera, but neither offers optical image stabilization or a front-facing camera.
- They share a 1200 mAh battery capacity, but the A4 Duo has a more modern Android 4.2 operating system, while the i620 runs on Microsoft Windows Mobile 6.0.
- The A4 Duo is slightly lighter at 110.6g compared to the i620's 126.2g, and connectivity options differ, with the A4 Duo supporting Wi-Fi and Bluetooth 4.0, whereas the i620 lacks Wi-Fi and uses Bluetooth 2.0.
Side-by-side Specification Comparison
Allview A4 Duo
Samsung i620
General
Release Date
2013
2007
Announced
2013
2007
Description
N/A
N/A
Display
Size
3.5"
2.2"
Type
TFT
TFT, 65K colors
Resolution
320 x 480 pixels, 3:2 ratio (~165 ppi density)
320 x 240 pixels, 4:3 ratio (~182 ppi density)
PPI
320
320
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
N/A
TI OMAP 1710
CPU
Dual-core 1.0 GHz Cotex-A7
220 MHz ARM926EJ-S
GPU
Mali-400
N/A
Memory
512MB RAM
80MB 64MB RAM 128MB ROM
Expandable Storage
✗
✗
Card Slot
No
microSD (dedicated slot)
Camera
Main Camera
2 MP
2 MP
Main Camera Features
N/A
LED flash
Front Camera
N/A
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
1200 mAh
1200 mAh
Battery Details
Li-Ion 1200 mAh, removable
Removable Li-Ion 1200 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)
94.9 x 59.3 x 16.3 mm (3.74 x 2.33 x 0.64 in)
Weight
110.6 g
126.2 g
Materials
N/A
N/A
Colors
Black
Silver, Black, Pink
Foldable
✗
✗
SAR
N/A
0.33 W/kg (head) 0.29 W/kg (body)
Connectivity
SIM
Dual SIM (dual stand-by)
Mini-SIM
Network
GSM / HSPA
GSM / HSPA
Network Speed
HSPA
HSPA 1.8 Mbps
5G
✗
✗
4G
✗
✗
WiFi
Wi-Fi 802.11 b/g/n, hotspot, Wi-Fi Direct
No
Bluetooth
4.0, A2DP, EDR
2.0, A2DP
NFC
✗
✗
USB
microUSB 2.0
miniUSB 2.0
IR Blaster
✗
✗
Headphone Jack
✓
✗
Radio
✗
✗
Positioning
No
No
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
No
Software & Security
Operating System
Android 4.2 (Jelly Bean)
Microsoft Windows Mobile 6.0 Standard Edition
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer, proximity
N/A

