Siemens
Side-by-side technical data
Siemens A31 vs Siemens AL21
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?
Siemens A31, if you care about…
- Battery Capacity
- 820 mAh
- against 600 mAh
- Body Thickness
- 17.6 mm
- against 19.2 mm
- Standby time
- 270 h
- against 220 h
- Unfolded thickness
- 17.6 mm
- against 19.2 mm
Siemens AL21, if you care about…
- Display Technology
- TFT LCD
- against CSTN
- Weight
- 78 g
- against 85 g
Specification comparison
Battery
| Specification | A31 | AL21 |
|---|---|---|
| Battery Efficiency Rating | — | — |
| Battery Capacity | 820 mAh Best value | 600 mAh |
| Battery Type | Li-Ion | Li-Ion |
| Fast Charge Power | — | — |
| Battery Features | — | — |
| Battery Endurance | — | — |
| Wireless charging power | — | — |
| Charge cycles | — | — |
| Talk time | 5 h | 5 h |
| Standby time | 270 h Best value | 220 h |
| Music playback time | — | — |
Design
| Specification | A31 | AL21 |
|---|---|---|
| Body Colors | Grey, Red | Red, Black |
| Body Thickness | 17.6 mm Best value | 19.2 mm |
| Body Width | 46 mm | 45.8 mm |
| Body Height | 102 mm | 86.8 mm |
| Weight | 85 g | 78 g Best value |
| Usable Surface | — | — |
| Body Materials | — | — |
| Resistance Features | — | — |
| Waterproof Depth | — | — |
| Drop Resistance Class | — | — |
| Repairability Class | — | — |
| Foldable | No | No |
| Rugged Build | No | No |
| Drop Test Count | — | — |
| Unfolded thickness | 17.6 mm Best value | 19.2 mm |
| QWERTY keyboard | — | — |
Performance
| Specification | A31 | AL21 |
|---|---|---|
| Processor Model | — | — |
| Processor Process Size | — | — |
| Graphics GPU | — | — |
| Storage Type | — | — |
| Maximum CPU Clock | — | — |
| Maximum Storage Capacity | 2 MB | 2 MB |
| AnTuTu Score | — | — |
| Geekbench 6 Single-Core | — | — |
| Geekbench 6 Multi-Core | — | — |
| CPU Description | — | — |
| Processor Type | — | — |
| 64-Bit Processor | — | — |
| RAM Capacity | — | 2 MB |
| RAM Type | — | — |
| Expandable Storage | No | No |
| AnTuTu version | — | — |
| 3DMark Wild Life Extreme | — | — |
| Maximum memory card | — | — |
Sensors
| Specification | A31 | AL21 |
|---|---|---|
| Fingerprint Sensor Placement | — | — |
Display
| Specification | A31 | AL21 |
|---|---|---|
| Display Aspect Ratio | 1:1 | 1:1 |
| Peak Display Brightness | — | — |
| Display Technology | CSTN | TFT LCD Best value |
| Display Diagonal | — | — |
| Display Horizontal Resolution | 128 px | 130 px Best value |
| Display Vertical Resolution | 128 px | 130 px Best value |
| Display Pixel Density | — | — |
| 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 | 65K colors | 65K colors |
Sensor
| Specification | A31 | AL21 |
|---|---|---|
| Sensor Features | — | — |
Software
| Specification | A31 | AL21 |
|---|---|---|
| Operating System | — | — |
| OS Family | — | — |
| OS Version | — | — |
| OS Update Support | — | — |
| Direct OS Updates | — | — |
| Google Services | — | — |
| Web browser | WAP 1.x | WAP 1.x |
| Java (J2ME) | Yes | Yes |
Connectivity
| Specification | A31 | AL21 |
|---|---|---|
| SIM Configurations | Mini-SIM | Mini-SIM |
| Cellular Bands | 2G GSM 900, 2G GSM 1800 | 2G GSM 900, 2G GSM 1800, 2G GSM 1900 |
| Cellular Technologies | GSM, GPRS | GSM, GPRS |
| Wi-Fi Standards | — | — |
| Wi-Fi Features | — | — |
| Bluetooth Version | — | — |
| Bluetooth Profiles | — | — |
| Navigation Systems | — | — |
| Connectivity Features | — | — |
| USB Version | — | Proprietary |
| SAR American Head | — | — |
| SAR American Body | — | — |
| SAR (EU) head | — | — |
| SAR (EU) body | — | — |
| Messaging | SMS, EMS, MMS | SMS, EMS, MMS |
Audio
| Specification | A31 | AL21 |
|---|---|---|
| Microphone Count | — | — |
| Audio Features | Loudspeaker | Loudspeaker |
| Alert types | Vibration, Polyphonic ringtones | Vibration, Polyphonic ringtones |
Technical
| Specification | A31 | AL21 |
|---|---|---|
| EAN / GTIN | — | — |
| UPC | — | — |
| Launch price | — | — |
| MPN | — | — |
| Launch price (USD) | — | — |
Features
| Specification | A31 | AL21 |
|---|---|---|
| Built-in functions | Predictive text input, Organizer | Predictive text input, Organizer |
