The verdict
Your pick: Cat S61, ahead on Performance & hardware, Camera, Connectivity and Battery & charging.
| Category | S31 | S61 |
|---|---|---|
| Design & display | 4.2 | 4.4 |
| Performance & hardware | 1.0 | 2.8 |
| Camera | 1.3 | 2.1 |
| Connectivity | 4.0 | 5.3 |
| Battery & charging | 3.8 | 4.6 |
Which one is for you?
Cat S31, if you care about…
- Weight
- 200 g
- against 250 g
- Body Thickness
- 12.6 mm
- against 13 mm
- Audio Features
- Loudspeaker, Stereo Speakers, A2DP, LE
- against Loudspeaker
Cat S61, if you care about…
- Battery Capacity
- 4,500 mAh
- against 4,000 mAh
- RAM Capacity
- 4 GB
- against 2 GB
- Display Technology
- IPS LCD
- against TFT LCD
- Bluetooth Version
- Bluetooth 5.0
- against Bluetooth 4.1
Specification comparison
Performance
| Specification | S31 | S61 |
|---|---|---|
| Processor Model | Qualcomm Snapdragon 210 | Qualcomm Snapdragon 630 |
| Processor Process Size | 28 nm | 14 nm Best value |
| Graphics GPU | Qualcomm Adreno 304 | Qualcomm Adreno 508 |
| Storage Type | eMMC 4.5 | eMMC 4.5 |
| Maximum CPU Clock | 1.3 GHz | 2.2 GHz Best value |
| Maximum Storage Capacity | 16 GB | 64 GB Best value |
| AnTuTu Score | 21,311 | — |
| CPU Description | Quad-core 1.3 GHz Cortex-A7 | Octa-core 2.2 GHz Cortex-A53 |
| Processor Type | Quad-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes |
| RAM Capacity | 2 GB | 4 GB Best value |
| Expandable Storage | Yes | Yes |
| Maximum memory card | 64 GB | 256 GB Best value |
Design
| Specification | S31 | S61 |
|---|---|---|
| Body Colors | Black | Black |
| Body Thickness | 12.6 mm Best value | 13 mm |
| Body Width | 74.4 mm | 78 mm |
| Body Height | 146 mm | 163 mm |
| Weight | 200 g Best value | 250 g |
| Usable Surface | 56.1 % | 58.6 % Best value |
| Body Materials | — | Glass, Plastic, Aluminium Alloy |
| Resistance Features | IP68, MIL-STD-810G, Drop Resistant Up to 1.8 m | IP68, MIL-STD-810G, Drop Resistant Up to 1.8 m |
| Waterproof Depth | 1.2 m | 3 m Best value |
Battery
| Specification | S31 | S61 |
|---|---|---|
| Battery Capacity | 4,000 mAh | 4,500 mAh Best value |
| Battery Type | Li-Ion | Li-Ion |
| Fast Charge Power | — | 18 W |
| Battery Features | Battery Level Indicator, Rechargeable | Fast Charging, Battery Level Indicator, Rechargeable, USB Power Delivery |
| Talk time | — | 35 h |
| Standby time | — | 888 h |
Display
| Specification | S31 | S61 |
|---|---|---|
| Display Aspect Ratio | 16:9 | 16:9 |
| Display Technology | TFT LCD | IPS LCD Best value |
| Display Diagonal | 4.7″ | 5.2″ Best value |
| Display Horizontal Resolution | 720 px | 1,080 px Best value |
| Display Vertical Resolution | 1,280 px | 1,920 px Best value |
| Display Pixel Density | 312 ppi | 424 ppi Best value |
| Display Features | TFT LCD, Gorilla Glass 3, Touchscreen | Gorilla Glass 5, Capacitive Touch |
Sensor
| Specification | S31 | S61 |
|---|---|---|
| Sensor Features | Accelerometer, Proximity Sensor, Compass, Gyroscope | Accelerometer, Gyroscope, Proximity Sensor, Compass, Barometer |
Software
| Specification | S31 | S61 |
|---|---|---|
| Operating System | Android 7 | Android 8 |
| OS Family | Android | Android |
| OS Version | 7 | 8 Best value |
Connectivity
| Specification | S31 | S61 |
|---|---|---|
| SIM Configurations | Dual Nano-SIM | Single Nano-SIM, Dual Nano-SIM |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1900, 3G UMTS 2100, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B20 | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1700 AWS, 3G UMTS 1900, 3G UMTS 2100, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B19, 4G LTE B20, 4G LTE B26, LTE B28, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41 |
| Cellular Technologies | GSM, HSPA, LTE, 4G | GSM, HSPA, LTE, 4G |
| Wi-Fi Standards | Wi-Fi 802.11 b/g/n, Wi-Fi 5 (802.11ac), Wi-Fi 4 (802.11n) | Wi-Fi 802.11a/b/g/n/ac, Wi-Fi 4 (802.11n) |
| Wi-Fi Features | Wi-Fi 802.11 b/g/n | Dual Band, Wi-Fi Direct |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.0 Best value |
| Bluetooth Profiles | A2DP, LE | A2DP, LE |
| Navigation Systems | GPS, GLONASS, BeiDou | GPS, GLONASS, Galileo, QZSS Best value |
| Connectivity Features | 3.5 mm Audio Jack, FM Radio, microUSB, USB OTG, USB Charging | 3.5 mm Audio Jack, NFC, FM Radio, USB Type-C, USB OTG, Infrared |
| USB Version | microUSB | USB 2.0 |
| SAR American Head | 1.14 W/kg | — |
| SAR American Body | 1.19 W/kg | — |
| Max. download speed | 150 Mbps | 600 Mbps Best value |
| Max. upload speed | 50 Mbps | 150 Mbps Best value |
Audio
| Specification | S31 | S61 |
|---|---|---|
| Microphone Count | 1 | 2 Best value |
| Audio Features | Loudspeaker, Stereo Speakers, A2DP, LE Best value | Loudspeaker |
Features
| Specification | S31 | S61 |
|---|---|---|
| Built-in functions | — | Document viewer |