Celkon A21
#6718
LG Optimus L4 II Dual E445
#7180Category Breakdown
Celkon A21
LG Optimus L4 II Dual E445
Performance
65.934.9
Camera
39.612.7
Display
16.053.5
Battery
15.216.7
Build
0.20.2
Connectivity
25.329.4
Audio
8.98.9
Overall
22.520.2
Summary
- The Celkon A21 features a 4.0-inch TFT display with a resolution of 320 x 480 pixels, while the LG Optimus L4 II Dual E445 has a slightly smaller 3.8-inch IPS LCD display with the same resolution but a higher pixel density of ~152 ppi.
- In terms of performance, the A21 is equipped with a quad-core 1.3 GHz Cortex-A7 processor and 512MB RAM, whereas the L4 II utilizes a 1.0 GHz Cortex-A9 with 4GB RAM, offering better multitasking capabilities.
- Both phones have a 3.15 MP rear camera, but the L4 II supports video recording at 480p@30fps, while the A21's video capabilities are unspecified.
- The A21 has a 1500 mAh battery, compared to the L4 II's 1700 mAh, providing slightly longer usage time.
- Both devices run on Android Jelly Bean, with the A21 on version 4.2.2 and the L4 II on 4.1.2, indicating a marginally more updated software experience for the A21.
Side-by-side Specification Comparison
Celkon A21
LG Optimus L4 II Dual E445
General
Release Date
2014
2013
Announced
2014
2013
Description
N/A
N/A
Display
Size
4"
3.8"
Type
TFT
IPS LCD
Resolution
320 x 480 pixels, 3:2 ratio (~144 ppi density)
320 x 480 pixels, 3:2 ratio (~152 ppi density)
PPI
320
320
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
Mediatek MT6582 (28 nm)
Mediatek MT6575 (40 nm)
CPU
Quad-core 1.3 GHz Cortex-A7
1.0 GHz Cortex-A9
GPU
Mali-400MP2
PowerVR SGX531
Memory
512MB 256MB RAM
4GB 512MB RAM
Expandable Storage
✗
✗
Card Slot
microSDHC
microSDHC (dedicated slot)
Camera
Main Camera
3.15 MP
3.15 MP
Main Camera Features
N/A
LED flash
Front Camera
1.3 MP
N/A
Front Camera Features
N/A
N/A
Video Recording
Yes
480p@30fps
Selfie Video
N/A
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
1500 mAh
1700 mAh
Battery Details
Li-Ion 1500 mAh battery
Li-Ion 1700 mAh, removable
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
124.8 x 66.1 x 10.8 mm (4.91 x 2.60 x 0.43 in)
112.8 x 64.7 x 11.9 mm (4.44 x 2.55 x 0.47 in)
Weight
115.3 g
125 g
Materials
N/A
N/A
Colors
Black, Blue, Red
Black, White
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Dual SIM (Dual stand-by)
Dual SIM (dual stand-by)
Network
GSM / HSPA
GSM / HSPA
Network Speed
HSPA
HSPA 7.2/5.76 Mbps
5G
✗
✗
4G
✗
✗
WiFi
Wi-Fi 802.11 b/g/n
Wi-Fi 802.11 b/g/n, hotspot
Bluetooth
4.0, A2DP
3.0, A2DP
NFC
✗
✗
USB
microUSB
microUSB 2.0
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
No
GPS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 4.2.2 (Jelly Bean)
Android 4.1.2 (Jelly Bean)
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer
Accelerometer, proximity, compass