| Global Score | |
| 45.4 | 49.8 |
| Basic Information | |
| Lava | ZTE |
| Android 4.2 | Android 4.0 |
| -- | 2012-02-20 |
| 5.26 x 2.64 x 0.47 inches | 4.96 x 2.56 x 0.39 inches |
| 5.07 ounces | 3.88 ounces |
| Black | Black |
| -- | Scratch-Resistant Glass |
| $ 249.00 | $ 170.00 |
| Display / Screen | |
| 4.5 inches | 4.3 inches |
| 480 x 854 pixels | 540 x 960 pixels |
| -- | IPS LCD |
| 218 pixels per inch | 256 pixels per inch |
| Capacitive, Multi-touch | Capacitive, Multi-touch |
| 7.6 | 7.8 |
| Performance | |
| -- | NVIDIA Tegra 2 chipset |
| Quad-Core 1200 MHz processor | ARM Cortex-A9 (Dual-Core 1000 MHz) processor |
| 512 MB RAM | 1 GB RAM |
| Yes GPU | ULP GeForce GPU |
| 8.01 | 7.65 |
| Storage | |
| -- | 4 GB internal memory |
| microSD, microSDHC (up to 32 GB) external memory slot | microSD, microSDHC (up to 32 GB) external memory slot |
| 1.32 | 3.82 |
| Camera | |
| 8.00 MP + 0.30 MP | 5.00 MP + 0.30 MP |
| -- | 1920 x 1080 (Full HD) video resolution |
| 6.38 | 5.94 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | -- |
| EDGE, GPRS and GSM | HSDPA, HSUPA and GSM |
| SIM, Dual SIM | SIM |
| 3.4 | 3.2 |
| Battery Life | |
| 2000mAh Li-Ion Battery | 1650mAh Li-Ion Battery |
| Removable Battery | Removable Battery |
| 13.1 hours talk time | 300 hours standby time |
| 3.92 | 3.52 |
| Other Features | |
| Bluetooth | Bluetooth 2.1 |
| GPS | GPS |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
ZTE Grand X is slightly better than LAVA Iris 458, with a 49.8 score against 45.4. Both phones we are comparing include Android OS, but the ZTE Grand X has older 4.0 version while LAVA Iris 458 has Android 4.2. The ZTE Grand X is a thinner and incredibly lighter cellphone than the LAVA Iris 458. ZTE Grand X features just a bit better screen than LAVA Iris 458, because although it has a little smaller display, it also counts with a slightly higher 960 x 540 resolution and a just a bit more pixels per display inch.
ZTE Grand X has a much bigger memory capacity to store more games and applications than LAVA Iris 458. They have a SD extension slot that admits up to 32 GB. LAVA Iris 458 counts with a bit better CPU than ZTE Grand X, because although it has less RAM memory, it also counts with a larger number of cores.
LAVA Iris 458 has a bit better camera than ZTE Grand X, because it has a camera in the back with a lot higher resolution. The LAVA Iris 458 features longer battery duration than ZTE Grand X, because it has 2000mAh of battery capacity.
In addition to being the best phone between the ones we are comparing, the ZTE Grand X is also a bargain compared to the other phones.
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