Category Breakdown
Celkon A402
NIU Tek 4D2
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 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
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 1.0 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 Details
3.15 MP
3.15 MP
Front Camera
1.3 MP
1.3 MP
Front Camera Details
1.3 MP
1.3 MP
Video Recording
Yes
480p@30fps
Selfie Video
N/A
N/A
OIS
✗
✗
Night Mode
✗
✗
RAW 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 & Design
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
Water Resistance
N/A
N/A
Colors
White, Black, Blue, Silver
Black, Gray, White, Blue, Orange
Foldable
✗
✗
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
Software
Operating System
Android 4.4.2 (KitKat)
Android 4.4.2 (KitKat)
OS Version
Android 4.4.2 (KitKat)
Android 4.4.2 (KitKat)
Security
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer
Accelerometer
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes

