Category Breakdown
Celkon AR45
Celkon C820
Performance
35.025.7
Camera
39.639.6
Display
20.320.3
Battery
18.928.1
Build
0.20.2
Connectivity
28.027.9
Audio
8.98.9
Overall
18.518.6
Summary
- The Celkon AR45 features a 4.5-inch TFT display with a resolution of 960 x 854 pixels, providing a higher pixel density compared to the Celkon C820's 8-inch TFT display with 800 x 1280 pixels, resulting in lower sharpness.
- In terms of performance, the AR45 is powered by a dual-core 1.2 GHz Cortex-A7 processor, while the C820 has a slightly slower dual-core 1.0 GHz CPU.
- The AR45's rear camera is 5 MP, outperforming the C820's 3.15 MP camera, although both have a 1.3 MP front camera.
- The AR45 has a 2000 mAh battery, which is smaller than the C820's 4000 mAh capacity, potentially offering less usage time.
- Both devices run on Android 4.2.2 (Jelly Bean) and share similar connectivity options, but the C820 is heavier and larger in dimensions.
Side-by-side Specification Comparison
Celkon AR45
Celkon C820
General
Release Date
2013
2014
Announced
2013
2014
Description
N/A
N/A
Display
Size
4.5"
8"
Type
TFT
TFT
Resolution
960 x 854 pixels (~286 ppi density)
800 x 1280 pixels, 16:10 ratio (~189 ppi density)
PPI
960
800
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
Mediatek MT6572 (28 nm)
N/A
CPU
Dual-core 1.2 GHz Cortex-A7
Dual-core 1.0 GHz
GPU
Mali-400
N/A
Memory
4GB 512MB RAM
4GB 512MB RAM
Expandable Storage
✗
✗
Card Slot
microSDHC (dedicated slot)
microSDHC
Camera
Main Camera
5 MP
3.15 MP
Main Camera Features
N/A
N/A
Front Camera
1.3 MP
1.3 MP
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
2000 mAh
4000 mAh
Battery Details
Li-Ion 2000 mAh battery
Li-Ion 4000 mAh, non-removable
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
N/A
210 x 131 x 10.5 mm (8.27 x 5.16 x 0.41 in)
Weight
N/A
N/A
Materials
N/A
N/A
Colors
White
Black, Silver
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Dual SIM (Mini-SIM)
Dual SIM
Network
GSM / HSPA
GSM / HSPA
Network Speed
HSPA
HSPA
5G
✗
✗
4G
✗
✗
WiFi
Wi-Fi 802.11 b/g/n, hotspot
Wi-Fi 802.11 b/g/n, hotspot
Bluetooth
Yes
2.1
NFC
✗
✗
USB
microUSB 2.0
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 4.2.2 (Jelly Bean)
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer, proximity
Accelerometer

