Cat S30 vs Cat S31
Side-by-side specs and price comparison for buyers in Algeria.
Cat S30
Price coming soon
1category wins
Cat S31
Price coming soon
3category wins
Quick Verdict
Who wins each category, side by side.
Better price
Even
Faster chip
Even
Bigger battery
Cat S31
Faster charging
Even
Higher-resolution camera
Cat S31
Better display
Cat S31
Lighter body
Cat S30
Best value for money
Even
Full specs comparison
Display
| Spec | Cat S30 | Cat S31 |
|---|---|---|
| Size (inches) | 4.5 | 4.7 |
| Resolution Height | 854 | 1280 |
| Resolution Width | 480 | 720 |
| PPI | 218 | 312 |
| Glass Type | Corning Gorilla Glass 3 | Corning Gorilla Glass 3 |
| Screen-to-body | 54.1 | 56.1 |
Platform
| Spec | Cat S30 | Cat S31 |
|---|---|---|
| CPU | Quad-core 1.1 GHz Cortex-A7 | Quad-core 1.3 GHz Cortex-A7 |
| GPU | Adreno 304 | Adreno 304 |
| Chipset Name | Snapdragon 210 | Snapdragon 210 |
| Process (nm) | 28 | 28 |
| OS Name | Android | Android |
| OS Version | 5.1 | 7.0 |
Memory
| Spec | Cat S30 | Cat S31 |
|---|---|---|
| Card Slot | microSDXC (dedicated slot) | microSDXC (dedicated slot) |
| Variants | 8GB 1GB RAM | 16GB 2GB RAM |
Main Camera
| Spec | Cat S30 | Cat S31 |
|---|---|---|
| Video | 1080p@60fps | 720p@30fps |
| Features | LED flash | LED flash |
| Count | 1 | 1 |
| Lens | 5 MP | 8 MP |
Selfie Camera
| Spec | Cat S30 | Cat S31 |
|---|---|---|
| Count | 1 | 1 |
| Lens | 2 MP | 2 MP |
Battery
| Spec | Cat S30 | Cat S31 |
|---|---|---|
| Capacity (mAh) | 3000 | 4000 |
| Chemistry | Li-Ion | Li-Ion |
| stand by | Up to 936 h | — |
| talk time | Up to 18 h | — |
Body
| Spec | Cat S30 | Cat S31 |
|---|---|---|
| SIM | Nano-SIM | Nano-SIM / Nano-SIM + Nano-SIM |
| Height (mm) | 141.9 | 146 |
| Thickness (mm) | 13.3 | 12.6 |
| Weight (g) | 181 | 200 |
| Width (mm) | 72.7 | 74.4 |
Launch
| Spec | Cat S30 | Cat S31 |
|---|---|---|
| Announced | 2015, September. Released 2015, September | 2017, September. Released 2017, October |
| Status | Discontinued | Discontinued |
Network
| Spec | Cat S30 | Cat S31 |
|---|---|---|
| 2G Bands | GSM 850, 900, 1800, 1900 | GSM 850, 900, 1800, 1900 - SIM 1 & SIM 2 (dual-SIM model only) |
| 3G Bands | HSDPA 850, 900, 2100 - Global | HSDPA 850, 900, 1900, 2100 - EU |
| 4G Bands | 1, 3, 7, 8, 20 - Global | 1, 2, 3, 5, 7, 8, 20 - EU |
| Speed | HSPA, LTE Cat4 150/50 Mbps | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| Technology | GSM, HSPA, LTE | GSM, HSPA, LTE |
Connectivity
| Spec | Cat S30 | Cat S31 |
|---|---|---|
| Bluetooth | 4.1 | 4.1 |
| NFC | No | No |
| Positioning | GPS, GLONASS | GPS, GLONASS, BDS |
| Radio | FM radio | FM radio |
| USB Version | 2.0 | 2.0 |
| Wi-Fi | Wi-Fi 4 | Wi-Fi 4 |
Sound
| Spec | Cat S30 | Cat S31 |
|---|---|---|
| 3.5mm Jack | Yes | Yes |
| Loudspeaker | Yes | Yes |
Features
| Spec | Cat S30 | Cat S31 |
|---|---|---|
| Sensors | Accelerometer, proximity, compass | Accelerometer, proximity, compass |
Buying advice for Algeria
Both Cat S30 and Cat S31 are sold in Algeria, but they fit different priorities.
Cat S31 packs a 4000 mAh battery, which translates to longer screen-on time when you are away from a charger.
Cat S31 reaches a higher main-sensor resolution at 8 MP, which helps with crops and lower-light photos.
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