The verdict
Neither runs away with it: each wins something.
| Category | Z3 | K8 |
|---|---|---|
| Design & display | 5.7 | 4.7 |
| Performance & hardware | 2.4 | 2.9 |
| Camera | 5.3 | 3.3 |
| Connectivity | 3.8 | 3.7 |
| Battery & charging | 2.3 | 3.8 |
Which one is for you?
Sharp Z3, if you care about…
- RAM Capacity
- 4 GB
- against 3 GB
- Maximum Storage Capacity
- 64 GB
- against 32 GB
- Display Pixel Density
- 515 ppi
- against 282 ppi
- Usable Surface
- 72.7 %
- against 68.4 %
Lenovo K8, if you care about…
- Battery Capacity
- 4,000 mAh
- against 3,100 mAh
- Bluetooth Version
- Bluetooth 4.2
- against Bluetooth 4.0
- Weight
- 165 g
- against 185 g
- Audio Features
- A2DP, LE, Loudspeaker, Stereo Speakers
- against Loudspeaker, 24-bit/192kHz Audio
Specification comparison
Performance
| Specification | Z3 | K8 |
|---|---|---|
| Processor Model | Qualcomm Snapdragon 652 | MediaTek Helio P20 |
| Processor Process Size | 28 nm | 16 nm Best value |
| Graphics GPU | Qualcomm Adreno 510 | ARM Mali-T880 MP2 |
| Storage Type | eMMC 5.1 | eMMC 5.1 |
| Maximum CPU Clock | 1.8 GHz | 2.35 GHz Best value |
| Maximum Storage Capacity | 64 GB Best value | 32 GB |
| CPU Description | Octa-core (4x1.8 GHz Cortex-A72 and 4x1.4 GHz Cortex-A53) | 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 | 4 GB Best value | 3 GB |
| RAM Type | — | DDR4 |
| Expandable Storage | Yes | Yes |
| Maximum memory card | — | 128 GB |
Design
| Specification | Z3 | K8 |
|---|---|---|
| Body Colors | Champagne | Black, White, Gold |
| Body Thickness | 7.8 mm Best value | 8.6 mm |
| Body Width | 78.5 mm | 73.7 mm |
| Body Height | 157 mm | 147.9 mm |
| Weight | 185 g | 165 g Best value |
| Usable Surface | 72.7 % Best value | 68.4 % |
| Unfolded thickness | — | 8.6 mm |
Battery
| Specification | Z3 | K8 |
|---|---|---|
| Battery Capacity | 3,100 mAh | 4,000 mAh Best value |
| Battery Type | Li-Ion | Li-Po |
| Fast Charge Power | 10 W | — |
| Battery Features | Fast Charging, Rechargeable, Battery Level Indicator | Battery Level Indicator, Fast Charging, Rechargeable, Non-Removable |
| Talk time | — | 32 h |
| Standby time | — | 456 h |
Display
| Specification | Z3 | K8 |
|---|---|---|
| Display Aspect Ratio | 16:9 | 16:9 |
| Display Technology | IPS LCD | IPS LCD |
| Peak Display Brightness | 520 nits | — |
| Display Diagonal | 5.7″ Best value | 5.2″ |
| Display Horizontal Resolution | 1,440 px Best value | 720 px |
| Display Vertical Resolution | 2,560 px Best value | 1,280 px |
| Display Pixel Density | 515 ppi Best value | 282 ppi |
| Display Features | Gorilla Glass, Touchscreen | IPS LCD, Touchscreen |
Sensors
| Specification | Z3 | K8 |
|---|---|---|
| Fingerprint Sensor Placement | Front | Rear |
Sensor
| Specification | Z3 | K8 |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass, Barometer |
Software
| Specification | Z3 | K8 |
|---|---|---|
| Operating System | Android 7 | Android 7 |
| OS Family | Android | Android |
| OS Version | 7 | 7 |
Connectivity
| Specification | Z3 | K8 |
|---|---|---|
| SIM Configurations | 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 B3, 4G LTE B5, 4G LTE B7, 4G LTE B8, LTE B28, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41 | 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, CDMA, HSPA, LTE, 4G | GSM, HSPA, LTE, 4G |
| Wi-Fi Standards | Wi-Fi 802.11a/b/g/n/ac | Wi-Fi 802.11 b/g/n, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) |
| Wi-Fi Features | Dual Band, Wi-Fi Direct | Wi-Fi Direct |
| Bluetooth Version | Bluetooth 4.0 | Bluetooth 4.2 Best value |
| Bluetooth Profiles | A2DP, LE | A2DP, LE |
| Navigation Systems | GPS, Galileo Best value | GPS |
| Connectivity Features | 3.5 mm Audio Jack, FM Radio, microUSB | 3.5 mm Audio Jack, FM Radio, microUSB, USB Charging |
| USB Version | microUSB | microUSB |
| Max. download speed | — | 150 Mbps |
| Max. upload speed | — | 50 Mbps |
Audio
| Specification | Z3 | K8 |
|---|---|---|
| Microphone Count | 1 | 1 |
| Audio Features | Loudspeaker, 24-bit/192kHz Audio | A2DP, LE, Loudspeaker, Stereo Speakers Best value |
Technical
| Specification | Z3 | K8 |
|---|---|---|
| Model numbers | Z3, FS8009 | K8 |