Category Breakdown
Celkon A402
NIU Tek 4D2
Performance
27.634.1
Camera
39.612.7
Display
34.116.9
Battery
18.912.3
Build
0.20.2
Connectivity
27.532.1
Audio
8.98.9
Overall
20.714.0
Summary
- The Celkon A402 and NIU Tek 4D2 both feature a 4.0" 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 NIU Tek 4D2 uses a Mediatek MT6572M dual-core 1.0 GHz processor, giving the A402 a slight edge in processing speed.
- Both smartphones have a 3.15 MP rear camera and a 1.3 MP front camera, but the NIU Tek 4D2 can record video at 480p@30fps.
- The A402 has a larger battery capacity of 2000 mAh compared to the 1200 mAh battery in the NIU Tek 4D2, which may lead to longer usage times.
- Both devices run on Android 4.4.2 (KitKat), offering a similar software experience, but the A402 is lighter at 104g compared to the 152g weight of the NIU Tek 4D2.
Side-by-side Specification Comparison
Celkon A402
NIU Tek 4D2
General
Release Date
2015
2014
Announced
2015
2014
Description
N/A
Single SIM: TC4D2I043Dual SIM: TM4D2I043
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
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
Spreadtrum 7715
Mediatek MT6572M (28 nm)
CPU
1.2 GHz
Dual-core 1.0 GHz Cortex-A7
GPU
Mali-400
Mali-400
Memory
4GB 512MB RAM
4GB 512MB RAM
Expandable Storage
✗
✗
Card Slot
microSDHC
microSDXC
Camera
Main Camera
3.15 MP
3.15 MP
Main Camera Features
LED flash
LED flash, panorama
Front Camera
1.3 MP
1.3 MP
Front Camera Features
N/A
N/A
Video Recording
Yes
480p@30fps
Selfie Video
N/A
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
2000 mAh
1200 mAh
Battery Details
Li-Ion 2000 mAh battery
Li-Ion 1200 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)
123 x 63 x 10.3 mm (4.84 x 2.48 x 0.41 in)
Weight
104 g
152 g
Materials
N/A
N/A
Colors
White, Black, Blue, Silver
Black, Gray, White, Blue, Orange
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Dual SIM
Dual SIM (Mini-SIM/ Micro-SIM)
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 a/b/g/n, dual-band, hotspot
Bluetooth
4.0, A2DP
4.0, A2DP
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 4.4.2 (KitKat)
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer
Accelerometer

