The verdict
Your pick: Cat S41, ahead on Connectivity and Battery & charging. Unless Camera decides it for you.
| Category | S41 | K8 |
|---|---|---|
| Design & display | 4.6 | 4.7 |
| Performance & hardware | 2.8 | 2.8 |
| Camera | 2.0 | 3.3 |
| Connectivity | 4.4 | 3.7 |
| Battery & charging | 5.4 | 3.8 |
Which one is for you?
Cat S41, if you care about…
- Battery Capacity
- 5,000 mAh
- against 4,000 mAh
- Display Pixel Density
- 441 ppi
- against 282 ppi
- Maximum memory card
- 256 GB
- against 128 GB
- Talk time
- 38 h
- against 32 h
Lenovo K8, if you care about…
- Display Technology
- IPS LCD
- against TFT LCD
- Bluetooth Version
- Bluetooth 4.2
- against Bluetooth 4.1
- Weight
- 165 g
- against 218 g
- Usable Surface
- 68.4 %
- against 60.5 %
Specification comparison
Performance
| Specification | S41 | K8 |
|---|---|---|
| Processor Model | MediaTek Helio P20 | MediaTek Helio P20 |
| Processor Process Size | 16 nm | 16 nm |
| Graphics GPU | ARM Mali-T880 MP2 | ARM Mali-T880 MP2 |
| Storage Type | eMMC 5.1 | eMMC 5.1 |
| Maximum CPU Clock | 2.3 GHz | 2.35 GHz Best value |
| Maximum Storage Capacity | 32 GB | 32 GB |
| CPU Description | Octa-core CPU with 4 × 2.3 GHz Cortex-A53 and 4 × 1.6 GHz Cortex-A53 cores. | Octa-core processor with 4 cores at 2.35 GHz and 4 cores at 1.65 GHz, using Cortex-A53 cores. |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes |
| RAM Capacity | 3 GB | 3 GB |
| RAM Type | DDR4 | DDR4 |
| Expandable Storage | Yes | Yes |
| Maximum memory card | 256 GB Best value | 128 GB |
Design
| Specification | S41 | K8 |
|---|---|---|
| Body Colors | Black | Black, White, Gold |
| Body Thickness | 12.9 mm | 8.6 mm Best value |
| Body Width | 75 mm | 73.7 mm |
| Body Height | 152 mm | 147.9 mm |
| Weight | 218 g | 165 g Best value |
| Usable Surface | 60.5 % | 68.4 % Best value |
| Resistance Features | IP68, Drop Resistant Up to 1.8 m, MIL-STD-810G | — |
| Waterproof Depth | 2 m | — |
| Unfolded thickness | 12.9 mm | 8.6 mm Best value |
Battery
| Specification | S41 | K8 |
|---|---|---|
| Battery Capacity | 5,000 mAh Best value | 4,000 mAh |
| Battery Type | Li-Ion | Li-Po |
| Fast Charge Power | 18 W | — |
| Battery Features | Fast Charging, Battery Level Indicator, Rechargeable | Battery Level Indicator, Fast Charging, Rechargeable, Non-Removable |
| Talk time | 38 h Best value | 32 h |
| Standby time | 1,056 h Best value | 456 h |
Display
| Specification | S41 | K8 |
|---|---|---|
| Display Aspect Ratio | 16:9 | 16:9 |
| Display Technology | TFT LCD | IPS LCD Best value |
| Display Diagonal | 5″ | 5.2″ Best value |
| Display Horizontal Resolution | 1,080 px Best value | 720 px |
| Display Vertical Resolution | 1,920 px Best value | 1,280 px |
| Display Pixel Density | 441 ppi Best value | 282 ppi |
| Display Features | Gorilla Glass 5, Touchscreen | IPS LCD, Touchscreen |
Sensors
| Specification | S41 | K8 |
|---|---|---|
| Fingerprint Sensor Placement | — | Rear |
Sensor
| Specification | S41 | K8 |
|---|---|---|
| Sensor Features | Accelerometer, Proximity Sensor, Compass | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass, Barometer |
Software
| Specification | S41 | K8 |
|---|---|---|
| Operating System | Android 7 | Android 7 |
| OS Family | Android | Android |
| OS Version | 7 | 7 |
Connectivity
| Specification | S41 | K8 |
|---|---|---|
| SIM Configurations | Single Nano-SIM, Dual 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 2100, 4G LTE B1, 4G LTE B3, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B40 |
| Cellular Technologies | GSM, HSPA, LTE, 4G | GSM, HSPA, LTE, 4G |
| Wi-Fi Standards | Wi-Fi 802.11 b/g/n, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) | Wi-Fi 802.11 b/g/n, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) |
| Wi-Fi Features | Wi-Fi 802.11 b/g/n | Wi-Fi Direct |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 4.2 Best value |
| Bluetooth Profiles | A2DP, LE | A2DP, LE |
| Navigation Systems | GPS, GLONASS, BeiDou Best value | GPS |
| Connectivity Features | 3.5 mm Audio Jack, FM Radio, NFC, microUSB, USB Charging, USB OTG | 3.5 mm Audio Jack, FM Radio, microUSB, USB Charging |
| USB Version | USB 2.0 | microUSB |
| SAR American Head | 1.19 W/kg | — |
| SAR American Body | 0.97 W/kg | — |
| Max. download speed | 300 Mbps Best value | 150 Mbps |
| Max. upload speed | 50 Mbps | 50 Mbps |
Audio
| Specification | S41 | K8 |
|---|---|---|
| Microphone Count | 1 | 1 |
| Audio Features | Loudspeaker | A2DP, LE, Loudspeaker, Stereo Speakers Best value |
Technical
| Specification | S41 | K8 |
|---|---|---|
| Model numbers | S41 | K8 |