Category Breakdown
Bird S570
NEC N21i
Performance
5.35.3
Camera
0.02.5
Display
35.46.6
Battery
1.61.6
Build
0.20.2
Connectivity
1.01.0
Audio
0.00.0
Overall
5.52.0
Summary
- The Bird S570 features a compact build with dimensions of 103 x 43 x 18.5 mm and weighs 89g, while the NEC N21i is slightly larger at 102 x 52 x 24.7 mm and heavier at 120g.
- Both devices have low-resolution displays, with the S570 offering a 128 x 128 pixel STN screen and the N21i a 120 x 160 pixel CSTN display, although the N21i supports 256 colors compared to the S570's 65K.
- Performance-wise, both phones have no RAM or storage specifications, indicating minimal processing capabilities.
- Neither device has a functional camera or battery capacity listed, suggesting limited multimedia functionality.
- In terms of software experience, both lack modern features and connectivity options, resulting in a basic user interface.
- Overall, the Bird S570 is lighter and slightly more compact, while the NEC N21i offers a marginally better display in terms of color depth.
Side-by-side Specification Comparison
Bird S570
NEC N21i
General
Release Date
2004
2002
Announced
2004
2002
Description
N/A
N/A
Display
Size
N/A
N/A
Type
STN, 65K colors
CSTN, 256 colors
Resolution
128 x 128 pixels, 1:1 ratio
120 x 160 pixels, 10 lines, 4:3 ratio
PPI
128
120
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
N/A
N/A
CPU
N/A
N/A
GPU
N/A
N/A
Memory
N/A
N/A
Expandable Storage
✗
✗
Card Slot
No
No
Camera
Main Camera
CIF
N/A
Main Camera Features
N/A
N/A
Front Camera
N/A
N/A
Front Camera Features
N/A
N/A
Video Recording
No
N/A
Selfie Video
N/A
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
N/A
N/A
Battery Details
Removable Li-Ion battery
Removable Li-Ion battery
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
103 x 43 x 18.5 mm (4.06 x 1.69 x 0.73 in)
102 x 52 x 24.7 mm (4.02 x 2.05 x 0.97 in)
Weight
89 g
120 g
Materials
N/A
N/A
Colors
Silver
Silver
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Mini-SIM
Mini-SIM
Network
GSM
GSM
Network Speed
N/A
N/A
5G
✗
✗
4G
✗
✗
WiFi
No
No
Bluetooth
No
No
NFC
✗
✗
USB
N/A
N/A
IR Blaster
✗
✗
Headphone Jack
✗
✗
Radio
✗
✗
Positioning
No
No
Audio
Stereo Speakers
✗
✗
Loudspeaker
No
No
Audio Jack
No
No
Software & Security
Operating System
N/A
N/A
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
N/A
N/A

