Celkon C820
#7506
ZTE V81
#7171Category Breakdown
Celkon C820
ZTE V81
Performance
25.742.2
Camera
39.639.6
Display
20.320.2
Battery
28.127.0
Build
0.20.2
Connectivity
27.923.6
Audio
8.98.9
Overall
18.620.2
Summary
- The Celkon C820 features a slightly larger 8.0-inch TFT display with a resolution of 800 x 1280 pixels, resulting in a higher pixel density compared to the ZTE V81's 768 x 1024 pixels on the same size screen.
- In terms of performance, the C820 is powered by a dual-core 1.0 GHz processor and has 4GB of RAM, while the ZTE V81 offers a more capable dual-core 1.4 GHz Snapdragon S4 Plus chipset with 4GB of RAM, providing better overall performance.
- The C820's rear camera is 3.15 MP, outperforming the V81's 2 MP camera, but the latter lacks a front-facing camera.
- Battery capacity is also slightly higher in the C820 at 4000 mAh compared to the V81's 3700 mAh.
- Both devices run on older versions of Android, with the C820 on Android 4.2.2 and the V81 on Android 4.1, offering a similar software experience.
Side-by-side Specification Comparison
Celkon C820
ZTE V81
General
Release Date
2014
2013
Announced
2014
2013
Description
N/A
Tablet with support for GSM voice communication, SMS, and MMS.
Display
Size
8"
8"
Type
TFT
TFT
Resolution
800 x 1280 pixels, 16:10 ratio (~189 ppi density)
768 x 1024 pixels, 4:3 ratio (~160 ppi density)
PPI
800
768
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
N/A
Qualcomm MSM8960 Snapdragon S4 Plus
CPU
Dual-core 1.0 GHz
Dual-core 1.4 GHz Krait
GPU
N/A
Adreno 225
Memory
4GB 512MB RAM
4GB 1GB RAM
Expandable Storage
✗
✗
Card Slot
microSDHC
microSDHC (dedicated slot)
Camera
Main Camera
3.15 MP
2 MP
Main Camera Features
N/A
N/A
Front Camera
1.3 MP
VGA
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
4000 mAh
3700 mAh
Battery Details
Li-Ion 4000 mAh, non-removable
Li-Ion 3700 mAh, non-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)
200 x 156 x 11.1 mm (7.87 x 6.14 x 0.44 in)
Weight
N/A
N/A
Materials
N/A
N/A
Colors
Black, Silver
Black
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Dual SIM
Mini-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
2.1
2.1
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 4.1 (Jelly Bean)
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer
Accelerometer