Side-by-side technical data
Sagem VS4 vs Sagem my521x
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?
Sagem VS4, if you care about…
- Display Pixel Density
- 121 ppi
- against 108 ppi
- Talk time
- 4 h
- against 3 h
Sagem my521x, if you care about…
- RAM Capacity
- 10 MB
- against 4 MB
- Display Technology
- TFT LCD
- against CSTN
- Maximum Storage Capacity
- 10 MB
- against 4 MB
- Usable Surface
- 23.1 %
- against 17.5 %
Specification comparison
Battery
| Specification | VS4 | my521x |
|---|---|---|
| Battery Efficiency Rating | — | — |
| Battery Capacity | 850 mAh | — |
| Battery Type | Li-Ion | Li-Ion |
| Fast Charge Power | — | — |
| Battery Features | — | — |
| Battery Endurance | — | — |
| Wireless charging power | — | — |
| Charge cycles | — | — |
| Talk time | 4 h Best value | 3 h |
| Standby time | 166 h | 200 h Best value |
| Music playback time | — | — |
Design
| Specification | VS4 | my521x |
|---|---|---|
| Body Colors | Silver | Black, Silver |
| Body Thickness | 14.7 mm | 10 mm Best value |
| Body Width | 46.8 mm | 46 mm |
| Body Height | 111 mm | 107 mm |
| Weight | 90 g | 90 g |
| Usable Surface | 17.5 % | 23.1 % Best value |
| 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 | VS4 | my521x |
|---|---|---|
| Processor Model | — | — |
| Processor Process Size | — | — |
| Graphics GPU | — | — |
| Storage Type | — | — |
| Maximum CPU Clock | — | — |
| Maximum Storage Capacity | 4 MB | 10 MB Best value |
| AnTuTu Score | — | — |
| Geekbench 6 Single-Core | — | — |
| Geekbench 6 Multi-Core | — | — |
| CPU Description | — | — |
| Processor Type | — | — |
| 64-Bit Processor | — | — |
| RAM Capacity | 4 MB | 10 MB Best value |
| RAM Type | — | — |
| Expandable Storage | No | Yes Best value |
| AnTuTu version | — | — |
| 3DMark Wild Life Extreme | — | — |
| Maximum memory card | — | — |
Sensors
| Specification | VS4 | my521x |
|---|---|---|
| Fingerprint Sensor Placement | — | — |
Display
| Specification | VS4 | my521x |
|---|---|---|
| Display Aspect Ratio | 4:5 | 4:5 |
| Peak Display Brightness | — | — |
| Display Technology | CSTN | TFT LCD Best value |
| Display Diagonal | 1.7″ | 1.9″ Best value |
| Display Horizontal Resolution | 128 px | 128 px |
| Display Vertical Resolution | 160 px | 160 px |
| Display Pixel Density | 121 ppi Best value | 108 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 | 65K colors | 65K colors |
Sensor
| Specification | VS4 | my521x |
|---|---|---|
| Sensor Features | — | — |
Software
| Specification | VS4 | my521x |
|---|---|---|
| Operating System | — | — |
| OS Family | — | — |
| OS Version | — | — |
| OS Update Support | — | — |
| Direct OS Updates | — | — |
| Google Services | — | — |
| Web browser | WAP 1.x | WAP 2.0/xHTML Best value |
| Java (J2ME) | No | Yes Best value |
Connectivity
| Specification | VS4 | my521x |
|---|---|---|
| SIM Configurations | Mini-SIM | Mini-SIM |
| Cellular Bands | 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 Features | — | — |
| Bluetooth Version | — | — |
| Bluetooth Profiles | — | — |
| Navigation Systems | — | — |
| Connectivity Features | — | MP3 Player, AAC Player |
| USB Version | Proprietary | Proprietary |
| SAR American Head | — | — |
| SAR American Body | — | — |
| SAR (EU) head | — | — |
| SAR (EU) body | — | — |
| Messaging | SMS | SMS, EMS, MMS |
Audio
| Specification | VS4 | my521x |
|---|---|---|
| Microphone Count | — | — |
| Audio Features | Loudspeaker | — |
| Alert types | Vibration, Polyphonic ringtones | Vibration, Polyphonic ringtones |
Technical
| Specification | VS4 | my521x |
|---|---|---|
| EAN / GTIN | — | — |
| UPC | — | — |
| Launch price | — | — |
| MPN | — | — |
| Launch price (USD) | — | — |
Features
| Specification | VS4 | my521x |
|---|---|---|
| Built-in functions | Predictive text input, Reminder | MP3 player, AAC player, Predictive text input, Organizer |
