Category Breakdown
Celkon A402
Panasonic T31
Performance
57.351.3
Camera
41.941.9
Display
64.364.3
Battery
43.543.5
Build
70.870.8
Overall
54.152.3
Summary
- The Celkon A402 and Panasonic T31 both feature a 4.0-inch TFT display with a resolution of 480 x 800 pixels, providing similar visual quality.
- In terms of performance, the Celkon A402 is powered by a Spreadtrum 7715 chipset with a 1.2 GHz CPU, while the Panasonic T31 uses a Mediatek MT6572M with a slightly faster 1.3 GHz dual-core CPU.
- Both devices have 4GB of storage and 4GB of RAM, ensuring comparable multitasking capabilities.
- The rear camera on both phones is 3.15 MP, but the T31 can record video at 720p, whereas the A402 does not specify video capabilities.
- The A402 has a larger 2000 mAh battery compared to the T31's 1300 mAh, which may offer better longevity.
- Software-wise, the A402 runs on Android 4.4.2 (KitKat), while the T31 operates on an older Android 4.2.2 (Jelly Bean), potentially affecting user experience and app compatibility.
Side-by-side Specification Comparison
Celkon A402
Panasonic T31
General
Release Date
2015
2013
Announced
2015
2013
Description
N/A
N/A
Display
Size
4"
4"
Type
TFT, 256K colors
TFT
Resolution
480 x 800 pixels, 5:3 ratio (~233 ppi density)
480 x 800 pixels, 5:3 ratio (~233 ppi density)
PPI
480
480
Refresh Rate
60Hz
60Hz
Peak Brightness
N/A
N/A
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
Spreadtrum 7715
Mediatek MT6572M (28 nm)
CPU
1.2 GHz
Dual-core 1.3 GHz Cortex-A7
GPU
Mali-400
Mali-400
Memory
4GB 512MB RAM
4GB 512MB RAM
Expandable Storage
✗
✗
Card Slot
microSDHC
microSDHC (dedicated slot)
Camera
Main Camera
3.15 MP
3.15 MP
Main Camera Details
3.15 MP
3.15 MP
Front Camera
1.3 MP
N/A
Front Camera Details
1.3 MP
VGA
Video Recording
Yes
720p@24fps
Selfie Video
N/A
N/A
OIS
✗
✗
Night Mode
✗
✗
RAW Support
✗
✗
Battery
Capacity
2000 mAh
1300 mAh
Battery Details
Li-Ion 2000 mAh battery
Li-Ion 1300 mAh, removable
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Design
Dimensions
125.5 x 64 x 10.2 mm (4.94 x 2.52 x 0.40 in)
122 x 64.4 x 11.2 mm (4.80 x 2.54 x 0.44 in)
Weight
104 g
120 g
Materials
N/A
N/A
Water Resistance
N/A
N/A
Colors
White, Black, Blue, Silver
Pure White, Bluish Black
Foldable
✗
✗
Connectivity
SIM
Dual SIM
Dual SIM (Mini-SIM, dual stand-by)
Network
GSM / HSPA
GSM / HSPA
Network Speed
Yes, 384 kbps
HSPA 21.1/5.76 Mbps
5G
✗
✗
4G
✗
✗
WiFi
Wi-Fi 802.11 b/g/n
Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
Bluetooth
4.0, A2DP
4.0, A2DP
NFC
✗
✗
USB
microUSB 2.0
microUSB 2.0
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS
GPS
Software
Operating System
Android 4.4.2 (KitKat)
Android 4.2.2 (Jelly Bean)
OS Version
Android 4.4.2 (KitKat)
Android 4.2.2 (Jelly Bean)
Security
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer
Accelerometer, proximity
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes

