Compare phones
| Global Score | |
| 34.5 | 69.8 |
| Basic Information | |
| Motorola | LG |
| -- | Android 8.1 Oreo |
| 2006-07-25 | 2019-03-20 |
| 4.15 x 1.79 x 0.62 inches | 6.02 x 2.83 x 0.33 inches |
| 4.05 ounces | 5.11 ounces |
| -- | Black, Blue and Gray |
| -- | Plastic |
| -- | Scratch-Resistant Glass |
| $ 120.00 | $ 120.00 |
| Display / Screen | |
| -- | 5.7 inches |
| 176 x 220 pixels | 1440 x 720 pixels |
| TFT | IPS LCD |
| 128 pixels per inch | 282 pixels per inch |
| No touch screen | No touch screen |
| 5.6 | 7.3 |
| Performance | |
| -- | Qualcomm Snapdragon 450 SDM450 chipset |
| processor | ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 2000 MHz) processor |
| -- | 2 GB RAM |
| GPU | Adreno 506 GPU |
| 5.76 | 9 |
| Storage | |
| 20,48 MB internal memory | 16 GB internal memory |
| microSD external memory slot | microSDXC (up to 1,95 TB) external memory slot |
| 0.3 | 11.36 |
| Camera | |
| 2.00 MP | 8.00 MP + 5.00 MP |
| -- | f/2.00 aperture |
| -- | 0.33 inches (1/3") sensor |
| -- | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 4.73 | 8.58 |
| Networks | |
| -- | Wi-Fi |
| -- | Mobile Hotspot |
| EDGE and GSM | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| SIM | Nano SIM, Dual SIM |
| 0.3 | 6.7 |
| Battery Life | |
| 780mAh Li-Ion Battery | 3000mAh Li - Polymer Battery |
| Removable Battery | Non-Removable Battery |
| 350 hours standby time 6.7 hours talk time | -- |
| 2.24 | 4.96 |
| Other Features | |
| Bluetooth 1.2 | Bluetooth 5.0 |
| -- | GPS |
| -- | NFC |
| -- | Fingerprint ID Scanner |
| -- | Accelerometer, Compass, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
LG K40 is much better than the Motorola ROKR Z3, with a 69.8 score against 34.5. LG K40's design is noticeably newer and a lot thinner, but noticeably heavier than Motorola ROKR Z3. The LG K40 has a much more powerful CPU than Motorola ROKR Z3, because it has 8 more processing cores. The LG K40 has a much more vibrant display than Motorola ROKR Z3, because it has a much better display density and a lot better 720 x 1440 resolution.
The LG K40 takes much clearer photos and videos than Motorola ROKR Z3, because it has a back camera with a way better 8 megapixels resolution. LG K40 features much more memory to store more games and applications than Motorola ROKR Z3, because it has 16 GB internal storage. The LG K40 features a much better battery lifetime than Motorola ROKR Z3, because it has 3000mAh of battery capacity against 780mAh.
LG K40 and the Motorola ROKR Z3 cost exactly the same.
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