Siemens
Side-by-side technical data
Siemens SL45 vs Siemens AF51
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 SL45, if you care about…
- Body Thickness
- 17 mm
- against 19.6 mm
- Expandable Storage
- Yes
- against No
Siemens AF51, if you care about…
- Battery Capacity
- 620 mAh
- against 540 mAh
- Display Pixel Density
- 130 ppi
- against 86 ppi
- Weight
- 80 g
- against 88 g
- Talk time
- 5 h
- against 4 h
Specification comparison
Battery
| Specification | SL45 | AF51 |
|---|---|---|
| Battery Efficiency Rating | — | — |
| Battery Capacity | 540 mAh | 620 mAh Best value |
| Battery Type | Li-Ion | Li-Ion |
| Fast Charge Power | — | — |
| Battery Features | — | — |
| Battery Endurance | — | — |
| Wireless charging power | — | — |
| Charge cycles | — | — |
| Talk time | 4 h | 5 h Best value |
| Standby time | 170 h | 220 h Best value |
| Music playback time | — | — |
Design
| Specification | SL45 | AF51 |
|---|---|---|
| Body Colors | — | Black, Grey |
| Body Thickness | 17 mm Best value | 19.6 mm |
| Body Width | 46 mm | 41 mm |
| Body Height | 105 mm | 79 mm |
| Weight | 88 g | 80 g Best value |
| Usable Surface | 14.6 % | — |
| Body Materials | — | — |
| Resistance Features | — | — |
| Waterproof Depth | — | — |
| Drop Resistance Class | — | — |
| Repairability Class | — | — |
| Foldable | No | No |
| Rugged Build | No | No |
| Drop Test Count | — | — |
| Unfolded thickness | — | — |
| QWERTY keyboard | — | — |
Performance
| Specification | SL45 | AF51 |
|---|---|---|
| Processor Model | — | — |
| Processor Process Size | — | — |
| Graphics GPU | — | — |
| Storage Type | — | — |
| Maximum CPU Clock | — | — |
| Maximum Storage Capacity | — | — |
| AnTuTu Score | — | — |
| Geekbench 6 Single-Core | — | — |
| Geekbench 6 Multi-Core | — | — |
| CPU Description | — | — |
| Processor Type | — | — |
| 64-Bit Processor | — | — |
| RAM Capacity | — | — |
| RAM Type | — | — |
| Expandable Storage | Yes Best value | No |
| AnTuTu version | — | — |
| 3DMark Wild Life Extreme | — | — |
| Maximum memory card | — | — |
Sensors
| Specification | SL45 | AF51 |
|---|---|---|
| Fingerprint Sensor Placement | — | — |
Display
| Specification | SL45 | AF51 |
|---|---|---|
| Display Aspect Ratio | 101:80 | 1:1 |
| Peak Display Brightness | — | — |
| Display Technology | — | CSTN |
| Display Diagonal | 1.5″ | — |
| Display Horizontal Resolution | 101 px | 130 px Best value |
| Display Vertical Resolution | 80 px | 130 px Best value |
| Display Pixel Density | 86 ppi | 130 ppi Best value |
| Display Refresh Rate | — | — |
| Touch Sampling Rate | — | — |
| Display Contrast Ratio | — | — |
| Display Features | — | Secondary Display |
| 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 | Monochrome | 65K colors Best value |
Sensor
| Specification | SL45 | AF51 |
|---|---|---|
| Sensor Features | — | — |
Software
| Specification | SL45 | AF51 |
|---|---|---|
| Operating System | — | — |
| OS Family | — | — |
| OS Version | — | — |
| OS Update Support | — | — |
| Direct OS Updates | — | — |
| Google Services | — | — |
| Web browser | WAP 1.x | WAP 1.x |
| Java (J2ME) | No | Yes Best value |
Connectivity
| Specification | SL45 | AF51 |
|---|---|---|
| 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 | GSM, GPRS |
| Wi-Fi Standards | — | — |
| Wi-Fi Features | — | — |
| Bluetooth Version | — | — |
| Bluetooth Profiles | — | — |
| Navigation Systems | — | — |
| Connectivity Features | Infrared | — |
| USB Version | — | — |
| SAR American Head | — | — |
| SAR American Body | — | — |
| SAR (EU) head | — | — |
| SAR (EU) body | — | — |
| Messaging | SMS | SMS, MMS |
Audio
| Specification | SL45 | AF51 |
|---|---|---|
| Microphone Count | — | — |
| Audio Features | — | Loudspeaker |
| Alert types | Vibration, Monophonic ringtones, Ringtone composer | Vibration, Polyphonic ringtones |
Technical
| Specification | SL45 | AF51 |
|---|---|---|
| EAN / GTIN | — | — |
| UPC | — | — |
| Launch price | — | — |
| MPN | — | — |
| Launch price (USD) | — | — |
Features
| Specification | SL45 | AF51 |
|---|---|---|
| Built-in functions | MP3 player, Predictive text input, Voice memo, Organizer, Stopwatch, Voice dial | Predictive text input, Organizer, Voice dial |
