Category Breakdown
Celkon A402
Celkon Campus Buddy A404
Performance
27.629.5
Camera
39.614.1
Display
34.134.1
Battery
18.915.2
Build
0.20.2
Connectivity
27.524.7
Audio
8.98.9
Overall
20.716.2
Summary
- The Celkon A402 and Celkon Campus Buddy A404 both feature a 4.0" TFT display with a resolution of 480 x 800 pixels, providing similar visual quality.
- In terms of performance, the A402 is powered by a Spreadtrum 7715 chipset with a 1.2 GHz CPU, while the A404 has a dual-core 1.3 GHz CPU, which may offer slightly better performance.
- Both devices have a 3.15 MP rear camera and a 1.3 MP front camera, but the A404 supports 720p video recording compared to the A402's unspecified video capability.
- The A402 has a larger 2000 mAh battery, whereas the A404 has a smaller 1500 mAh battery, which may affect overall usage time.
- The A402 runs on Android 4.4.2 (KitKat), while the A404 operates on an older Android 4.2.2 (Jelly Bean), potentially impacting software experience and app compatibility.
- Build-wise, the A402 is slightly heavier and thicker than the A404, which has a more compact design.
Side-by-side Specification Comparison
Celkon A402
Celkon Campus Buddy A404
General
Release Date
2015
2014
Announced
2015
2014
Description
N/A
N/A
Display
Size
4"
4"
Type
TFT, 256K colors
TFT, 256K colors
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
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
Spreadtrum 7715
N/A
CPU
1.2 GHz
Dual-core 1.3 GHz
GPU
Mali-400
N/A
Memory
4GB 512MB RAM
4GB 512MB RAM
Expandable Storage
✗
✗
Card Slot
microSDHC
microSDHC
Camera
Main Camera
3.15 MP
3.15 MP
Main Camera Features
LED flash
LED flash
Front Camera
1.3 MP
1.3 MP
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
2000 mAh
1500 mAh
Battery Details
Li-Ion 2000 mAh battery
Li-Ion 1500 mAh, removable
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
125.5 x 64 x 10.2 mm (4.94 x 2.52 x 0.40 in)
126.5 x 64.2 x 9.8 mm (4.98 x 2.53 x 0.39 in)
Weight
104 g
131 g
Materials
N/A
N/A
Colors
White, Black, Blue, Silver
Black, White
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Dual SIM
Dual SIM
Network
GSM / HSPA
GSM / HSPA
Network Speed
Yes, 384 kbps
Yes, 384 kbps
5G
✗
✗
4G
✗
✗
WiFi
Wi-Fi 802.11 b/g/n
Wi-Fi 802.11 b/g/n
Bluetooth
4.0, A2DP
2.0
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 4.4.2 (KitKat)
Android 4.2.2 (Jelly Bean)
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer
Accelerometer

