Celkon A21
#6718
Unnecto Pro
#8517Category Breakdown
Celkon A21
Unnecto Pro
Performance
65.938.2
Camera
39.639.6
Display
16.08.2
Battery
15.210.3
Build
0.20.2
Connectivity
25.317.1
Audio
8.98.9
Overall
22.514.9
Summary
- The Celkon A21 features a larger 4.0-inch TFT display with a resolution of 320 x 480 pixels, offering a better viewing experience compared to the Unnecto Pro's smaller 2.4-inch TFT resistive touchscreen at 320 x 240 pixels.
- In terms of performance, the A21 is powered by a quad-core Mediatek MT6582 chipset, while the Unnecto Pro lacks specified performance details.
- The A21's rear camera is 3.15 MP, significantly outperforming the Unnecto Pro's 1.3 MP camera, and it also includes a 1.3 MP front camera, unlike the Unnecto Pro.
- Battery capacity is higher in the A21 at 1500 mAh compared to the 1000 mAh of the Unnecto Pro.
- Both devices run on older software, with the A21 using Android 4.2.2, while the Unnecto Pro's OS is unspecified.
- Overall, the Celkon A21 offers superior build quality, display, performance, and camera capabilities.
Side-by-side Specification Comparison
Celkon A21
Unnecto Pro
General
Release Date
2014
2012
Announced
2014
2012
Description
N/A
N/A
Display
Size
4"
2.4"
Type
TFT
TFT resistive touchscreen
Resolution
320 x 480 pixels, 3:2 ratio (~144 ppi density)
320 x 240 pixels, 4:3 ratio (~167 ppi density)
PPI
320
320
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
Mediatek MT6582 (28 nm)
N/A
CPU
Quad-core 1.3 GHz Cortex-A7
N/A
GPU
Mali-400MP2
N/A
Memory
512MB 256MB RAM
512MB 256MB RAM
Expandable Storage
✗
✗
Card Slot
microSDHC
microSDHC (dedicated slot), 4 GB included
Camera
Main Camera
3.15 MP
1.3 MP
Main Camera Features
N/A
N/A
Front Camera
1.3 MP
N/A
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
1500 mAh
1000 mAh
Battery Details
Li-Ion 1500 mAh battery
Li-Ion 1000 mAh battery
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 x 60 x 11.5 mm (4.41 x 2.36 x 0.45 in)
Weight
115.3 g
120 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
Network Speed
HSPA
N/A
5G
✗
✗
4G
✗
✗
WiFi
Wi-Fi 802.11 b/g/n
Wi-Fi 802.11 b/g/n
Bluetooth
4.0, A2DP
3.0
NFC
✗
✗
USB
microUSB
microUSB
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
No
No
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 4.2.2 (Jelly Bean)
N/A
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer
N/A