Siemens
Side-by-side technical data
Siemens SX66 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 SX66, if you care about…
- Display Technology
- TFT LCD
- against CSTN
- Body Thickness
- 18 mm
- against 19.6 mm
- Expandable Storage
- Yes
- against No
- Display Horizontal Resolution
- 240 px
- against 130 px
Siemens AF51, if you care about…
- Display Pixel Density
- 130 ppi
- against 114 ppi
- Weight
- 80 g
- against 210 g
- Talk time
- 5 h
- against 4 h
- Standby time
- 220 h
- against 200 h
Specification comparison
Battery
| Specification | SX66 | AF51 |
|---|---|---|
| Battery Efficiency Rating | — | — |
| Battery Capacity | — | 620 mAh |
| 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 | 200 h | 220 h Best value |
| Music playback time | — | — |
Design
| Specification | SX66 | AF51 |
|---|---|---|
| Body Colors | Silver | Black, Grey |
| Body Thickness | 18 mm Best value | 19.6 mm |
| Body Width | 71 mm | 41 mm |
| Body Height | 125 mm | 79 mm |
| Weight | 210 g | 80 g Best value |
| Usable Surface | 42.7 % | — |
| 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 | Yes | — |
Performance
| Specification | SX66 | AF51 |
|---|---|---|
| Processor Model | — | — |
| Processor Process Size | — | — |
| Graphics GPU | — | — |
| Storage Type | — | — |
| Maximum CPU Clock | 0.52 GHz | — |
| Maximum Storage Capacity | — | — |
| AnTuTu Score | — | — |
| Geekbench 6 Single-Core | — | — |
| Geekbench 6 Multi-Core | — | — |
| CPU Description | Intel Xscale PXA272 520 MHz | — |
| Processor Type | — | — |
| 64-Bit Processor | — | — |
| RAM Capacity | 128 MB | — |
| RAM Type | — | — |
| Expandable Storage | Yes Best value | No |
| AnTuTu version | — | — |
| 3DMark Wild Life Extreme | — | — |
| Maximum memory card | — | — |
Sensors
| Specification | SX66 | AF51 |
|---|---|---|
| Fingerprint Sensor Placement | — | — |
Display
| Specification | SX66 | AF51 |
|---|---|---|
| Display Aspect Ratio | 4:3 | 1:1 |
| Peak Display Brightness | — | — |
| Display Technology | TFT LCD Best value | CSTN |
| Display Diagonal | 3.5″ | — |
| Display Horizontal Resolution | 240 px Best value | 130 px |
| Display Vertical Resolution | 320 px Best value | 130 px |
| Display Pixel Density | 114 ppi | 130 ppi Best value |
| Display Refresh Rate | — | — |
| Touch Sampling Rate | — | — |
| Display Contrast Ratio | — | — |
| Display Features | Resistive Touchscreen | 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 | 65K colors | 65K colors |
Sensor
| Specification | SX66 | AF51 |
|---|---|---|
| Sensor Features | — | — |
Software
| Specification | SX66 | AF51 |
|---|---|---|
| Operating System | Windows Mobile 2003 SE Smartphone | — |
| OS Family | Windows Mobile | — |
| OS Version | 2,003 | — |
| OS Update Support | — | — |
| Direct OS Updates | — | — |
| Google Services | — | — |
| Web browser | HTML Best value | WAP 1.x |
| Java (J2ME) | — | Yes |
Connectivity
| Specification | SX66 | AF51 |
|---|---|---|
| SIM Configurations | Mini-SIM | Mini-SIM |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900 | 2G GSM 900, 2G GSM 1800, 2G GSM 1900 |
| Cellular Technologies | GSM, GPRS | GSM, GPRS |
| Wi-Fi Standards | Wi-Fi 802.11b | — |
| Wi-Fi Features | — | — |
| Bluetooth Version | — | — |
| Bluetooth Profiles | — | — |
| Navigation Systems | — | — |
| Connectivity Features | ActiveSync, MP3 Player, AAC Player, Infrared, USB Type-C | — |
| USB Version | Proprietary | — |
| SAR American Head | — | — |
| SAR American Body | — | — |
| SAR (EU) head | — | — |
| SAR (EU) body | — | — |
| Messaging | — | SMS, MMS |
Audio
| Specification | SX66 | AF51 |
|---|---|---|
| Microphone Count | — | — |
| Audio Features | Loudspeaker | Loudspeaker |
| Alert types | Vibration, Polyphonic ringtones, MP3 ringtones, Downloadable ringtones | Vibration, Polyphonic ringtones |
Technical
| Specification | SX66 | AF51 |
|---|---|---|
| EAN / GTIN | — | — |
| UPC | — | — |
| Launch price | — | — |
| MPN | — | — |
| Launch price (USD) | — | — |
Features
| Specification | SX66 | AF51 |
|---|---|---|
| Built-in functions | Downloadable logos, MP3 player, Predictive text input | Predictive text input, Organizer, Voice dial |
