Xiaomi Redmi 4 (4X) vs Lava Z90
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| PHONES | ||
|---|---|---|
| Phone Names | Xiaomi Redmi 4 (4X) | Lava Z90 |
| Network | ||
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 900 / 1800 - SIM 1 & SIM 2 |
| 3G bands | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 900 / 2100 |
| 4G bands | 1, 3, 5, 7, 8, 38, 39, 40, 41 | 1, 3, 5, 40, 41 |
| Speed | HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/100 Mbps | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| Technology | GSM / HSPA / LTE | GSM / HSPA / LTE |
| Launch | ||
|---|---|---|
| Announced | 2017, May. Released 2017, May | 2017, September. Released 2017, September |
| Status | Discontinued | Discontinued |
| Body | ||
|---|---|---|
| Build | Glass front (Gorilla Glass), aluminum back, aluminum frame, plastic ends | - |
| Dimensions | 139.2 x 70 x 8.7 mm (5.48 x 2.76 x 0.34 in) | 148.5 x 73.1 x 8.1 mm (5.85 x 2.88 x 0.32 in) |
| SIM | Nano-SIM + Micro-SIM | Hybrid Dual SIM (Micro-SIM, dual stand-by) |
| Weight | 150 g (5.29 oz) | 159 g (5.61 oz) |
| Display | ||
|---|---|---|
| Protection | Corning Gorilla Glass (unspecified version) | Corning Gorilla Glass 3 |
| Resolution | 720 x 1280 pixels, 16:9 ratio (~294 ppi density) | 720 x 1280 pixels, 16:9 ratio (~282 ppi density) |
| Size | 5.0 inches, 68.9 cm2 (~70.7% screen-to-body ratio) | 5.2 inches, 74.5 cm2 (~68.7% screen-to-body ratio) |
| Type | IPS LCD | IPS LCD |
| Platform | ||
|---|---|---|
| CPU | Octa-core 1.4 GHz Cortex-A53 | Quad-core 1.3 GHz Cortex-A53 |
| Chipset | Qualcomm MSM8940 Snapdragon 435 (28 nm) | Mediatek MT6737 (28 nm) |
| GPU | Adreno 505 | Mali-T720MP2 |
| OS | Android 6.0.1 (Marshmallow), upgradable to 7.1.2 (Nougat), MIUI 11 | Android 7.0 (Nougat) |
| Memory | ||
|---|---|---|
| Card slot | microSDXC (uses shared SIM slot) | microSDXC (uses shared SIM slot) |
| Internal | 16GB 2GB RAM, 16GB 3GB RAM, 32GB 3GB RAM, 64GB 3GB RAM, 64GB 4GB RAM | 32GB 3GB RAM |
| eMMC 5.1 | eMMC 5.0 | |
| Main Camera | ||
|---|---|---|
| Dual | - | 8 MP, f/2.0, AF Auxiliary lens |
| Features | LED flash, HDR, panorama | LED flash |
| Single | 13 MP, f/2.0, PDAF | - |
| Video | 1080p@30fps | 1080p@30fps |
| Selfie camera | ||
|---|---|---|
| Features | - | LED flash |
| Single | 5 MP, f/2.2 | 8 MP, f/2.0 |
| Video | 1080p@30fps | - |
| Sound | ||
|---|---|---|
| 3.5mm jack | Yes | Yes |
| 35mm jack | Yes | Yes |
| Loudspeaker | Yes | Yes |
| Comms | ||
|---|---|---|
| Bluetooth | 4.2, A2DP, LE | 4.0, A2DP |
| Infrared port | Yes | - |
| NFC | No | No |
| Positioning | GPS, GLONASS, BDS | GPS, GLONASS |
| Radio | FM radio | FM radio |
| USB | microUSB 2.0 | microUSB 2.0 |
| WLAN | Wi-Fi 802.11 b/g/n, Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
| Features | ||
|---|---|---|
| Sensors | Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass | Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass |
| Battery | ||
|---|---|---|
| Music play | Up to 87 h | - |
| Stand-by | Up to 432 h (3G) | - |
| Talk time | Up to 36 h (3G) | - |
| Type | Li-Po 4100 mAh, non-removable | Li-Ion 2750 mAh, non-removable |
| Misc | ||
|---|---|---|
| Colors | Black, Gold | Blue, Gold |
| Models | 2016060, 2016090, MAG138, MAE136, Redmi 4, Redmi 4X | Z90 |
| Price | About 110 EUR | About 10750 INR |
| SAR | 0.77 W/kg (head) 0.83 W/kg (body) | - |
| Tests | ||
|---|---|---|
| Audio quality | Noise -94.3dB / Crosstalk -94dB | - |
| Battery life | Endurance rating 80h | - |
| Camera | Photo / Video | - |
| Display | Contrast ratio: 915 (nominal), 2.920 (sunlight) | - |
| Loudspeaker | Voice 64dB / Noise 70dB / Ring 72dB | - |
| Performance | GeekBench: 1819 (v4.4) GFXBench: 5.1fps (ES 3.1 onscreen) | - |
| OUR TESTS | ||
|---|---|---|
| Audio quality | Noise -94.3dB / Crosstalk -94dB | - |
| Battery (old) | Endurance rating 80h | - |
| Camera | Photo / Video | - |
| Display | Contrast ratio: 915 (nominal), 2.920 (sunlight) | - |
| Loudspeaker | Voice 64dB / Noise 70dB / Ring 72dB | - |
| Performance | GeekBench: 1819 (v4.4) GFXBench: 5.1fps (ES 3.1 onscreen) | - |