Bird
Side-by-side technical data
Bird D636 vs Bird S618
Compare up to four phones using typed, normalized technical data. Measurements stay numeric, capabilities stay boolean, and options stay comparable.
The verdict
Neither runs away with it: each wins something.
Which one is for you?
Bird D636, if you care about…
- Display Pixel Density
- 148 ppi
- against 121 ppi
- Usable Surface
- 23.7 %
- against 19.2 %
- Expandable Storage
- Yes
- against No
- Display Diagonal
- 1.9″
- against 1.7″
Bird S618, if you care about…
- Battery Capacity
- 700 mAh
- against 600 mAh
- Display Technology
- LCD
- against TFT LCD
- Weight
- 73 g
- against 98.4 g
- Body Thickness
- 11 mm
- against 12.2 mm
Specification comparison
Performance
| Specification | D636 | S618 |
|---|---|---|
| Processor Model | — | — |
| Processor Process Size | — | — |
| Graphics GPU | — | — |
| Storage Type | — | — |
| Maximum CPU Clock | — | — |
| Maximum Storage Capacity | 60 MB | — |
| AnTuTu Score | — | — |
| Geekbench 6 Single-Core | — | — |
| Geekbench 6 Multi-Core | — | — |
| CPU Description | — | — |
| Processor Type | — | — |
| 64-Bit Processor | — | — |
| RAM Capacity | 60 MB | — |
| RAM Type | — | — |
| Expandable Storage | Yes Best value | No |
| AnTuTu version | — | — |
| 3DMark Wild Life Extreme | — | — |
| Maximum memory card | — | — |
Design
| Specification | D636 | S618 |
|---|---|---|
| Body Colors | Black | Black |
| Body Thickness | 12.2 mm | 11 mm Best value |
| Body Width | 45.6 mm | 46 mm |
| Body Height | 105 mm | 103 mm |
| Weight | 98.4 g | 73 g Best value |
| Usable Surface | 23.7 % Best value | 19.2 % |
| Body Materials | — | — |
| Resistance Features | — | — |
| Waterproof Depth | — | — |
| Drop Resistance Class | — | — |
| Repairability Class | — | — |
| Foldable | No | No |
| Rugged Build | No | No |
| Drop Test Count | — | — |
| Unfolded thickness | 12.2 mm | — |
| QWERTY keyboard | — | — |
Battery
| Specification | D636 | S618 |
|---|---|---|
| Battery Efficiency Rating | — | — |
| Battery Capacity | 600 mAh | 700 mAh Best value |
| Battery Type | Li-Ion | Li-Ion |
| Fast Charge Power | — | — |
| Battery Features | — | — |
| Battery Endurance | — | — |
| Wireless charging power | — | — |
| Charge cycles | — | — |
| Talk time | 3 h | 4 h Best value |
| Standby time | 120 h | 150 h Best value |
| Music playback time | — | — |
| Reverse wireless charging power | — | — |
Display
| Specification | D636 | S618 |
|---|---|---|
| Display Aspect Ratio | 4:5 | 4:5 |
| Display Technology | TFT LCD | LCD Best value |
| Peak Display Brightness | — | — |
| Display Diagonal | 1.9″ Best value | 1.7″ |
| Display Horizontal Resolution | 176 px Best value | 128 px |
| Display Vertical Resolution | 220 px Best value | 160 px |
| Display Pixel Density | 148 ppi Best value | 121 ppi |
| Display Refresh Rate | — | — |
| Touch Sampling Rate | — | — |
| Display Contrast Ratio | — | — |
| Display Features | — | — |
| Integrated Projector | No | No |
| Projector Brightness | — | — |
| Projector Horizontal Resolution | — | — |
| Projector Vertical Resolution | — | — |
| Cover display diagonal | — | — |
| Cover display refresh rate | — | — |
| Cover display peak brightness | — | — |
| Display colors | 256K colors Best value | Monochrome |
Sensors
| Specification | D636 | S618 |
|---|---|---|
| Fingerprint Sensor Placement | — | — |
Sensor
| Specification | D636 | S618 |
|---|---|---|
| Sensor Features | — | — |
Software
| Specification | D636 | S618 |
|---|---|---|
| Operating System | — | — |
| OS Family | — | — |
| OS Version | — | — |
| OS Update Support | — | — |
| Direct OS Updates | — | — |
| Google Services | — | — |
| Web browser | WAP 2.0/xHTML | — |
| Java (J2ME) | Yes Best value | No |
| Widevine L1 | — | — |
Connectivity
| Specification | D636 | S618 |
|---|---|---|
| SIM Configurations | Mini-SIM | Mini-SIM |
| Cellular Bands | 2G GSM 900, 2G GSM 1800 | 2G GSM 900, 2G GSM 1800 |
| Cellular Technologies | GPRS, GSM | GSM |
| Wi-Fi Standards | — | — |
| Wi-Fi Features | — | — |
| Bluetooth Version | — | — |
| Bluetooth Profiles | — | — |
| Navigation Systems | — | — |
| Connectivity Features | MP3 Player, MP4/3GP Player | — |
| USB Version | Proprietary | — |
| SAR American Head | — | — |
| SAR American Body | — | — |
| SAR (EU) head | — | — |
| SAR (EU) body | — | — |
| Messaging | SMS, EMS, MMS | SMS |
| Max. download speed | — | — |
| Max. upload speed | — | — |
Audio
| Specification | D636 | S618 |
|---|---|---|
| Microphone Count | — | — |
| Audio Features | Loudspeaker | Loudspeaker |
| Alert types | Vibration, Polyphonic ringtones, MP3 ringtones, Downloadable ringtones | Vibration, Polyphonic ringtones, MP3 ringtones, Downloadable ringtones |
Technical
| Specification | D636 | S618 |
|---|---|---|
| EAN / GTIN | — | — |
| UPC | — | — |
| Launch price | — | — |
| MPN | — | — |
| Launch price (USD) | — | — |
Features
| Specification | D636 | S618 |
|---|---|---|
| Built-in functions | MP3 player, MP4 player | — |
