Side-by-side technical data
Lava Z40 vs Lava Smart 4 Plus
Compare up to four phones using typed, normalized technical data. Measurements stay numeric, capabilities stay boolean, and options stay comparable.
The verdict
Neither runs away with it: each wins something.
Which one is for you?
Lava Smart 4 Plus, if you care about…
- Battery Capacity
- 5,000 mAh
- against 2,250 mAh
- RAM Capacity
- 4 GB
- against 1 GB
- Wi-Fi Standards
- Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 802.11b/g
- against Wi-Fi 802.11 b/g/n, Wi-Fi 4 (802.11n)
- Display Technology
- IPS LCD
- against TN TFT
Specification comparison
Battery
| Specification | Z40 | Smart 4 Plus |
|---|---|---|
| Battery Efficiency Rating | — | — |
| Battery Capacity | 2,250 mAh | 5,000 mAh Best value |
| Battery Type | Li-Ion | Li-Ion |
| Fast Charge Power | — | 10 W |
| Battery Features | Battery Level Indicator, Rechargeable, Removable | Fast Charging |
| Battery Endurance | — | — |
| Wireless charging power | — | — |
| Charge cycles | — | — |
| Talk time | — | — |
| Standby time | — | — |
| Music playback time | — | — |
Design
| Specification | Z40 | Smart 4 Plus |
|---|---|---|
| Body Colors | Gold, Black | Blue, Silver |
| Body Thickness | 11.7 mm | 8.5 mm Best value |
| Body Width | 63.9 mm | 76.1 mm |
| Body Height | 125.5 mm | 165 mm |
| Weight | 120 g | — |
| Usable Surface | 56.8 % | 87.6 % Best value |
| Body Materials | — | — |
| Resistance Features | — | IP64 |
| Waterproof Depth | — | — |
| Drop Resistance Class | — | — |
| Repairability Class | — | — |
| Foldable | No | No |
| Rugged Build | No | No |
| Drop Test Count | — | — |
| Unfolded thickness | — | — |
| QWERTY keyboard | — | — |
Performance
| Specification | Z40 | Smart 4 Plus |
|---|---|---|
| Processor Model | Unisoc SC9832E | Unisoc SC9863A |
| Processor Process Size | 28 nm | 28 nm |
| Graphics GPU | Mali | IMG8322 |
| Storage Type | — | — |
| Maximum CPU Clock | 1.4 GHz | 1.6 GHz Best value |
| Maximum Storage Capacity | 8 GB | 64 GB Best value |
| AnTuTu Score | — | — |
| Geekbench 6 Single-Core | — | — |
| Geekbench 6 Multi-Core | — | — |
| CPU Description | Quad-core 1.4 GHz | Octa-core processor with four 1.6 GHz Cortex-A55 cores and four 1.2 GHz Cortex-A55 cores |
| Processor Type | Quad-Core | Octa-Core |
| 64-Bit Processor | Yes | — |
| RAM Capacity | 1 GB | 4 GB Best value |
| RAM Type | — | — |
| Expandable Storage | Yes | Yes |
| AnTuTu version | — | — |
| 3DMark Wild Life Extreme | — | — |
| Maximum memory card | — | — |
Sensors
| Specification | Z40 | Smart 4 Plus |
|---|---|---|
| Fingerprint Sensor Placement | — | Side |
Display
| Specification | Z40 | Smart 4 Plus |
|---|---|---|
| Display Aspect Ratio | 5:3 | 20:9 |
| Peak Display Brightness | — | — |
| Display Technology | TN TFT | IPS LCD Best value |
| Display Diagonal | 4″ | 6.75″ Best value |
| Display Horizontal Resolution | 480 px | 720 px Best value |
| Display Vertical Resolution | 800 px | 1,600 px Best value |
| Display Pixel Density | 233 ppi | 260 ppi Best value |
| Display Refresh Rate | — | 90 Hz |
| Touch Sampling Rate | — | — |
| Display Contrast Ratio | — | — |
| Display Features | Gorilla Glass, TFT LCD, Touchscreen | — |
| Integrated Projector | No | No |
| Projector Brightness | — | — |
| Projector Horizontal Resolution | — | — |
| Projector Vertical Resolution | — | — |
| Cover display diagonal | — | — |
| Cover display refresh rate | — | — |
| Cover display peak brightness | — | — |
| Display colors | — | — |
Sensor
| Specification | Z40 | Smart 4 Plus |
|---|---|---|
| Sensor Features | Accelerometer | Fingerprint Sensor, Accelerometer |
Software
| Specification | Z40 | Smart 4 Plus |
|---|---|---|
| Operating System | Android 8.1 | Android 15 |
| OS Family | Android | Android |
| OS Version | 8.1 | 15 Best value |
| OS Update Support | — | — |
| Direct OS Updates | No | — |
| Google Services | — | — |
| Web browser | — | — |
| Java (J2ME) | — | — |
Connectivity
| Specification | Z40 | Smart 4 Plus |
|---|---|---|
| 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 900, 2G GSM 1800, 3G UMTS B900, 3G UMTS 2100, 4G LTE B1, 4G LTE B3, 4G LTE B5, 4G LTE B8, LTE B28, 4G LTE B40, 4G LTE B41 |
| Cellular Technologies | GSM, HSPA, LTE | GSM, HSPA, LTE |
| Wi-Fi Standards | Wi-Fi 802.11 b/g/n, Wi-Fi 4 (802.11n) | Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 802.11b/g Best value |
| Wi-Fi Features | Wi-Fi Direct, Wi-Fi 802.11 b/g/n | — |
| Bluetooth Version | Bluetooth 4.2 | Bluetooth 4.2 |
| Bluetooth Profiles | A2DP, LE | A2DP |
| Navigation Systems | GPS, GLONASS, BeiDou Best value | GPS, GLONASS |
| Connectivity Features | 3.5 mm Audio Jack, FM Radio, microUSB, USB 2.0 | 3.5 mm Audio Jack, Virtual Proximity Sensing, Infrared, FM Radio, USB Charging, USB Type-C, USB OTG, USB 2.0 |
| USB Version | USB 2.0 | USB 2.0 |
| SAR American Head | — | — |
| SAR American Body | — | — |
| SAR (EU) head | — | — |
| SAR (EU) body | — | — |
| Messaging | — | — |
Audio
| Specification | Z40 | Smart 4 Plus |
|---|---|---|
| Microphone Count | 1 | — |
| Audio Features | A2DP, LE, Loudspeaker | A2DP, Stereo Speakers Best value |
| Alert types | — | — |
Technical
| Specification | Z40 | Smart 4 Plus |
|---|---|---|
| EAN / GTIN | — | — |
| UPC | — | — |
| Launch price | — | — |
| MPN | — | — |
| Launch price (USD) | — | — |
Features
| Specification | Z40 | Smart 4 Plus |
|---|---|---|
| Built-in functions | — | — |
