Celkon C820
#7506
Oppo Joy Plus
#6840Category Breakdown
Celkon C820
Oppo Joy Plus
Performance
25.735.9
Camera
39.614.1
Display
20.354.4
Battery
28.116.7
Build
0.20.2
Connectivity
27.930.6
Audio
8.98.9
Overall
18.621.8
Summary
- The Celkon C820 features a larger 8.0-inch TFT display with a resolution of 800 x 1280 pixels, while the Oppo Joy Plus has a smaller 4.0-inch IPS LCD display with a resolution of 480 x 800 pixels, offering a higher pixel density.
- In terms of performance, both devices have 4GB of RAM, but the Oppo is powered by a slightly faster dual-core 1.3 GHz CPU compared to the Celkon's 1.0 GHz.
- Both smartphones have a 3.15 MP rear camera, but the Oppo supports 720p video recording, while the Celkon does not specify video capabilities.
- The Celkon C820 has a significantly larger 4000 mAh battery compared to the 1700 mAh battery of the Oppo Joy Plus.
- On the software front, the Celkon runs on Android 4.2.2 (Jelly Bean), whereas the Oppo operates on Android 4.4 (KitKat) with ColorOS 2, which may offer a more refined user experience.
Side-by-side Specification Comparison
Celkon C820
Oppo Joy Plus
General
Release Date
2014
2015
Announced
2014
2015
Description
N/A
N/A
Display
Size
8"
4"
Type
TFT
IPS LCD
Resolution
800 x 1280 pixels, 16:10 ratio (~189 ppi density)
480 x 800 pixels, 5:3 ratio (~233 ppi density)
PPI
800
480
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
N/A
Mediatek MT6572 (28 nm)
CPU
Dual-core 1.0 GHz
Dual-core 1.3 GHz Cortex-A7
GPU
N/A
Mali-400
Memory
4GB 512MB RAM
4GB 1GB 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
VGA
Front Camera Features
N/A
N/A
Video Recording
Yes
720p
Selfie Video
N/A
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
4000 mAh
1700 mAh
Battery Details
Li-Ion 4000 mAh, non-removable
Li-Ion 1700 mAh, removable
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
210 x 131 x 10.5 mm (8.27 x 5.16 x 0.41 in)
124 x 63 x 9.9 mm (4.88 x 2.48 x 0.39 in)
Weight
N/A
125 g
Materials
N/A
N/A
Colors
Black, Silver
White, Blue
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Dual SIM
Dual SIM (Mini-SIM/ Micro-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, DLNA, hotspot
Bluetooth
2.1
4.0, A2DP, EDR
NFC
✗
✗
USB
microUSB 2.0
microUSB 2.0
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS
GPS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 4.2.2 (Jelly Bean)
Android 4.4 (KitKat), ColorOS 2
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer
Accelerometer, proximity