Category Breakdown
Celkon A9+
ZTE V821
Performance
65.564.0
Camera
41.941.9
Display
57.057.0
Battery
43.543.5
Build
70.870.8
Overall
55.154.7
Summary
- The Celkon A9+ features a 3.5-inch TFT display with a resolution of 320 x 480 pixels, while the ZTE V821 has a smaller 3-inch TFT resistive touchscreen with a resolution of 320 x 240 pixels.
- In terms of performance, the A9+ is powered by a 1.0 GHz Spreadtrum SC6820 chipset and has 512MB of RAM, compared to the V821's 416 MHz Mediatek MT6516 and 256MB of RAM.
- Both devices have a 2 MP rear camera, but the V821 includes autofocus.
- The A9+ has a 1350 mAh battery, whereas the V821's battery capacity is unspecified.
- The A9+ runs on Android 4.0 (Ice Cream Sandwich), while the V821 operates on an older Android 2.2 (Froyo).
- Build quality-wise, the A9+ is slightly larger and heavier than the V821, which is more compact.
Side-by-side Specification Comparison
Celkon A9+
ZTE V821
General
Release Date
2013
2011
Announced
2013
2011
Description
N/A
N/A
Display
Size
3.5"
N/A
Type
TFT
TFT resistive touchscreen, 65K colors
Resolution
320 x 480 pixels, 3:2 ratio (~165 ppi density)
320 x 240 pixels, 4:3 ratio
PPI
320
320
Refresh Rate
60Hz
60Hz
Peak Brightness
N/A
N/A
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
Spreadtrum SC6820
Mediatek MT6516
CPU
1.0 GHz
416 MHz
GPU
N/A
N/A
Memory
512MB 256MB RAM
256MB
Expandable Storage
✗
✗
Card Slot
microSDHC (dedicated slot)
microSDHC (dedicated slot)
Camera
Main Camera
2 MP
2 MP
Main Camera Details
2 MP
2 MP, AF
Front Camera
N/A
N/A
Front Camera Details
Yes
N/A
Video Recording
Yes
Yes
Selfie Video
N/A
N/A
OIS
✗
✗
Night Mode
✗
✗
RAW Support
✗
✗
Battery
Capacity
1350 mAh
N/A
Battery Details
Li-Ion 1350 mAh battery
Removable Li-Ion battery
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Design
Dimensions
119.5 x 63 x 10.8 mm (4.70 x 2.48 x 0.43 in)
116 x 56.5 x 11.8 mm (4.57 x 2.22 x 0.46 in)
Weight
N/A
120 g
Materials
N/A
N/A
Water Resistance
N/A
N/A
Colors
Black, White
Black
Foldable
✗
✗
Connectivity
SIM
Dual SIM (Mini-SIM)
Dual SIM (Mini-SIM)
Network
GSM
GSM
Network Speed
N/A
N/A
5G
✗
✗
4G
✗
✗
WiFi
Wi-Fi 802.11 b/g/n
Wi-Fi 802.11 b/g, hotspot
Bluetooth
Yes
2.1, A2DP
NFC
✗
✗
USB
microUSB 2.0
microUSB 2.0
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
No
GPS, A-GPS
Software
Operating System
Android 4.0 (Ice Cream Sandwich)
Android 2.2 (Froyo)
OS Version
Android 4.0 (Ice Cream Sandwich)
Android 2.2 (Froyo)
Security
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer
N/A
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes

