Bird D660
#10090
Yezz Ritmo YZ400
#8546Category Breakdown
Bird D660
Yezz Ritmo YZ400
Performance
26.926.9
Camera
39.639.6
Display
19.519.0
Battery
1.66.5
Build
0.215.4
Connectivity
1.89.4
Audio
0.08.9
Overall
10.714.8
Summary
- The Bird D660 and Yezz Ritmo YZ400 both feature basic build quality with plastic materials, but the D660 is slightly thicker and heavier than the YZ400.
- The D660 has a 0-inch display with a resolution of 128 x 160 pixels, while the YZ400 offers a 1.8-inch display at 120 x 160 pixels, providing a more usable screen area.
- Both devices have 1.3 MP rear cameras with video capabilities, but neither has a front camera.
- The YZ400 is equipped with an 800 mAh battery, significantly larger than the D660's unspecified capacity, enhancing its longevity.
- In terms of software experience, both lack advanced features, but the YZ400 includes a headphone jack, which the D660 does not.
- Connectivity options are limited in both, with the YZ400 supporting Bluetooth 2.0, while the D660 does not offer any wireless connectivity.
Side-by-side Specification Comparison
Bird D660
Yezz Ritmo YZ400
General
Release Date
2006
2011
Announced
2006
2011
Description
N/A
Single SIM: YZ401Dual SIM: YZ400
Display
Size
N/A
1.8"
Type
TFT, 65K colors
TFT, 65K colors
Resolution
128 x 160 pixels
120 x 160 pixels, 4:3 ratio (~111 ppi density)
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
64MB
64MB 32MB
Expandable Storage
✗
✗
Card Slot
microSD
microSDHC (dedicated slot)
Camera
Main Camera
1.3 MP
1.3 MP
Main Camera Features
N/A
N/A
Front Camera
N/A
N/A
Front Camera Features
N/A
N/A
Video Recording
Yes
Yes
Selfie Video
N/A
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
N/A
800 mAh
Battery Details
Removable Li-Ion battery
Removable Li-Ion 800 mAh battery
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
107 x 45 x 16.5 mm (4.21 x 1.77 x 0.65 in)
106.7 x 45.1 x 13.5 mm (4.20 x 1.78 x 0.53 in)
Weight
N/A
55 g
Materials
N/A
N/A
Colors
Silver
Blue, Gray, Pink, Red, Violet
Foldable
✗
✗
SAR
N/A
1.02 W/kg (head) 0.58 W/kg (body)
Connectivity
SIM
Mini-SIM
Dual SIM (Mini-SIM)
Network
GSM
GSM
Network Speed
N/A
N/A
5G
✗
✗
4G
✗
✗
WiFi
No
No
Bluetooth
No
2.0
NFC
✗
✗
USB
Proprietary
microUSB
IR Blaster
✗
✗
Headphone Jack
✗
✓
Radio
✗
✗
Positioning
No
No
Audio
Stereo Speakers
✗
✗
Loudspeaker
No
Yes
Audio Jack
No
Yes
Software & Security
Operating System
N/A
N/A
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
N/A
N/A