BLU Ultra vs Xiaomi Watch S4 41mm
Side-by-side specs and price comparison for buyers in Algeria.
BLU Ultra
Price coming soon
Xiaomi Watch S4 41mm
Price coming soon
Quick Verdict
Who wins each category, side by side.
Better price
Even
Faster chip
Even
Bigger battery
BLU Ultra
Faster charging
Even
Higher-resolution camera
Even
Better display
Xiaomi Watch S4 41mm
Lighter body
Even
Best value for money
Even
Full specs comparison
Display
| Spec | BLU Ultra | Xiaomi Watch S4 41mm |
|---|---|---|
| Size (inches) | 1.31 | 1.32 |
| Panel Type | — | AMOLED |
| Resolution Height | 64 | 466 |
| Resolution Width | 96 | 466 |
| Peak Brightness | — | 2200 |
| PPI | 88 | 320 |
| Glass Type | — | Scratch/drop-proof glass |
| Screen-to-body | 10.8 | — |
Platform
| Spec | BLU Ultra | Xiaomi Watch S4 41mm |
|---|---|---|
| UI Skin | — | HyperOS 2 |
Memory
| Spec | BLU Ultra | Xiaomi Watch S4 41mm |
|---|---|---|
| Card Slot | microSDHC (dedicated slot) | No |
| call records | Yes | — |
| phonebook | SIM card only | — |
| Variants | 0.015625GB | — |
Battery
| Spec | BLU Ultra | Xiaomi Watch S4 41mm |
|---|---|---|
| Capacity (mAh) | 500 | 320 |
| Chemistry | — | Li-Po |
| stand by | Up to 400 h | — |
| talk time | Up to 8 h | — |
Body
| Spec | BLU Ultra | Xiaomi Watch S4 41mm |
|---|---|---|
| Build | — | Stainless steel bezel and frame |
| SIM | Mini-SIM | No |
| Height (mm) | 105.5 | 41.2 |
| Thickness (mm) | 12.7 | 9.5 |
| Weight (g) | — | 32 |
| Width (mm) | 45 | 41.2 |
Launch
| Spec | BLU Ultra | Xiaomi Watch S4 41mm |
|---|---|---|
| Announced | 2011, February. Released 2011, Q2 | 2025, June 26 |
| Status | Discontinued | Available. Released 2025, June 26 |
Network
| Spec | BLU Ultra | Xiaomi Watch S4 41mm |
|---|---|---|
| 2G Bands | GSM 850, 1900 | N/A |
| 3G Bands | — | N/A |
| 4G Bands | — | N/A |
| edge | No | No |
| gprs | No | No |
| Technology | GSM | No cellular connectivity |
Connectivity
| Spec | BLU Ultra | Xiaomi Watch S4 41mm |
|---|---|---|
| Bluetooth | — | 5.4 |
| NFC | — | Yes (market/region dependent) |
| Positioning | No | GPS, GLONASS, GALILEO, BDS, QZSS |
| Radio | FM radio | No |
Sound
| Spec | BLU Ultra | Xiaomi Watch S4 41mm |
|---|---|---|
| 3.5mm Jack | No | No |
| Loudspeaker | Yes | Yes |
Features
| Spec | BLU Ultra | Xiaomi Watch S4 41mm |
|---|---|---|
| browser | No | — |
| games | Downloadable | — |
| java | No | — |
| messaging | SMS | — |
| Sensors | — | Accelerometer, gyro, compass, barometer, heart rate, SpO2, thermometer (skin temperature) |
Buying advice for Algeria
Both BLU Ultra and Xiaomi Watch S4 41mm are sold in Algeria, but they fit different priorities.
BLU Ultra packs a 500 mAh battery, which translates to longer screen-on time when you are away from a charger.
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