Side-by-side technical data
Lava Z91 vs Coolpad Cool 2
Comparison between Lava Z91 and Coolpad Cool 2: camera, battery, fast charging, display, performance and colors, side by side. More phones from Lava and Coolpad.
The verdict
Neither runs away with it: each wins something.
| Category | Z91 | Cool 2 |
|---|---|---|
| Design & display | 5.3 | 5.0 |
| Performance & hardware | 1.4 | 2.1 |
| Camera | 3.1 | 2.0 |
| Connectivity | 3.5 | 3.4 |
| Battery & charging | 2.2 | 2.5 |
Which one is for you?
Lava Z91, if you care about…
- Wi-Fi Standards
- Wi-Fi 802.11a/b/g/n/ac, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
- against Wi-Fi 802.11 b/g/n, Wi-Fi 4 (802.11n)
- Weight
- 147 g
- against 160 g
- Body Thickness
- 7.7 mm
- against 9 mm
- Unfolded thickness
- 7.7 mm
- against 9 mm
Coolpad Cool 2, if you care about…
- Battery Capacity
- 3,200 mAh
- against 3,000 mAh
- RAM Capacity
- 4 GB
- against 2 GB
- Maximum Storage Capacity
- 128 GB
- against 16 GB
- Microphone Count
- 2
- against 1
Specification comparison
Performance
| Specification | Z91 | Cool 2 |
|---|---|---|
| Processor Model | MediaTek MT6739 | MediaTek MT6750 |
| Processor Process Size | 28 nm | 28 nm |
| Graphics GPU | PowerVR GE8100 | Mali-T860 MP2 |
| Storage Type | eMMC 5.1 | eMMC 5.1 |
| Maximum CPU Clock | 1.3 GHz | 1.5 GHz Best value |
| Maximum Storage Capacity | 16 GB | 128 GB Best value |
| AnTuTu Score | — | 45,995 |
| Geekbench 6 Single-Core | 456 | — |
| Geekbench 6 Multi-Core | 1,499 | — |
| CPU Description | Quad-core 1.3 GHz Cortex-A53 | Octa-core CPU with four 1.5 GHz Cortex-A53 cores and four 1.0 GHz Cortex-A53 cores |
| 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 |
Design
| Specification | Z91 | Cool 2 |
|---|---|---|
| Body Colors | Blue | Gold, Blue |
| Body Thickness | 7.7 mm Best value | 9 mm |
| Body Width | 72.9 mm | 73.3 mm |
| Body Height | 152 mm | 154.7 mm |
| Weight | 147 g Best value | 160 g |
| Usable Surface | 75.7 % Best value | 73.9 % |
| Body Materials | — | Glass, Aluminium Alloy |
| Resistance Features | — | Splash Resistant |
| Unfolded thickness | 7.7 mm Best value | 9 mm |
Battery
| Specification | Z91 | Cool 2 |
|---|---|---|
| Battery Capacity | 3,000 mAh | 3,200 mAh Best value |
| Battery Type | Li-Polymer | Li-Ion |
| Battery Features | Battery Level Indicator, Rechargeable | Battery Level Indicator, Rechargeable |
Display
| Specification | Z91 | Cool 2 |
|---|---|---|
| Display Aspect Ratio | 18:9 | 18:9 |
| Display Technology | IPS LCD | IPS LCD |
| Display Diagonal | 5.7″ | 5.7″ |
| Display Horizontal Resolution | 720 px | 720 px |
| Display Vertical Resolution | 1,440 px | 1,440 px |
| Display Pixel Density | 282 ppi | 282 ppi |
| Display Features | Touchscreen | IPS LCD, Touchscreen |
Sensors
| Specification | Z91 | Cool 2 |
|---|---|---|
| Fingerprint Sensor Placement | Rear | Rear |
Sensor
| Specification | Z91 | Cool 2 |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Proximity Sensor | Fingerprint Sensor, Accelerometer, Proximity Sensor |
Software
| Specification | Z91 | Cool 2 |
|---|---|---|
| Operating System | Android 7 | Android 7 |
| OS Family | Android | Android |
| OS Version | 7 | 7 |
Connectivity
| Specification | Z91 | Cool 2 |
|---|---|---|
| SIM Configurations | Dual Nano-SIM | Dual Nano-SIM |
| Cellular Bands | 2G GSM 900, 2G GSM 1800, 3G UMTS B900, 3G UMTS 2100, 4G LTE B1, 4G LTE B3, 4G LTE B5, 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 1900, 3G UMTS 2100, 4G LTE B1, 4G LTE B3, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41 |
| Cellular Technologies | GSM, HSPA, UMTS, LTE, 4G | GSM, CDMA, HSPA, LTE, 4G |
| Wi-Fi Standards | Wi-Fi 802.11a/b/g/n/ac, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) Best value | Wi-Fi 802.11 b/g/n, Wi-Fi 4 (802.11n) |
| Wi-Fi Features | Dual Band, Wi-Fi Direct | Wi-Fi 802.11 b/g/n, Wi-Fi Direct |
| Bluetooth Version | Bluetooth 4.0 | Bluetooth 4.0 |
| Bluetooth Profiles | A2DP | A2DP, LE |
| Navigation Systems | GPS | GPS, GLONASS, BeiDou Best value |
| Connectivity Features | 3.5 mm Audio Jack, FM Radio, microUSB, USB OTG | 3.5 mm Audio Jack, Infrared, microUSB |
| USB Version | microUSB | microUSB |
| Max. download speed | 150 Mbps | 150 Mbps |
| Max. upload speed | 50 Mbps | 50 Mbps |
Audio
| Specification | Z91 | Cool 2 |
|---|---|---|
| Microphone Count | 1 | 2 Best value |
| Audio Features | A2DP, Loudspeaker | Loudspeaker |
