Samsung Z2 vs Samsung Z3 vs Samsung Z1 comparison
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| key specs |
| Display | 4.00-inch | 5.00-inch | 4.00-inch |
| Processor | 1.5GHz quad-core | Spreadtrum SC7730S | 1.2GHz dual-core |
| Front Camera | 0.3-megapixel | 5-megapixel | 0.3-megapixel |
| Rear Camera | 5-megapixel | 8-megapixel | 3.1-megapixel |
| RAM | 1GB | 1GB | 768MB |
| Storage | 8GB | 8GB | 4GB |
| Battery Capacity | 1500mAh | 2600mAh | 1500mAh |
| OS | Tizen | Tizen 2.4 | Tizen 2.3 |
| Resolution | 480x800 pixels | 720x1280 pixels | 480x800 pixels |
| general |
| Brand | Samsung | Samsung | Samsung |
| Model | Z2 | Z3 | Z1 |
| Release date | August 1, 2016 | October 1, 2015 | January 1, 2015 |
| Form factor | Touchscreen | Touchscreen | Touchscreen |
| Dimensions (mm) | 121.50 x 63.00 x 10.80 | 141.60 x 70.00 x 7.90 | 120.40 x 63.20 x 9.70 |
| Battery capacity (mAh) | 1500 | 2600 | 1500 |
| Removable battery | No | Yes | Yes |
| Colours | Black, Wine Red, Gold | Gold, Black, Silver | - |
| Weight (g) | - | 137.00 | 112.00 |
| display |
| Screen size (inches) | 4.00 | 5.00 | 4.00 |
| Touchscreen | Yes | Yes | Yes |
| Resolution | 480x800 pixels | 720x1280 pixels | 480x800 pixels |
| hardware |
| Processor | 1.5GHz quad-core | 1.3GHz quad-core | 1.2GHz dual-core |
| RAM | 1GB | 1GB | 768MB |
| Internal storage | 8GB | 8GB | 4GB |
| Expandable storage | Yes | Yes | Yes |
| Expandable storage type | microSD | microSD | microSD |
| Expandable storage up to (GB) | 128 | 128 | 64 |
| Processor make | - | Spreadtrum SC7730S | - |
| camera |
| Rear camera | 5-megapixel | 8-megapixel | 3.1-megapixel |
| Rear flash | LED | LED | Yes |
| Front camera | 0.3-megapixel | 5-megapixel | 0.3-megapixel |
| software |
| Operating system | Tizen | Tizen 2.4 | Tizen 2.3 |
| connectivity |
| Wi-Fi | Yes | Yes | Yes |
| Wi-Fi standards supported | 802.11 b/g/n | 802.11 b/g/n | 802.11 b/g/n |
| GPS | Yes | Yes | Yes |
| Bluetooth | Yes, v 4.00 | Yes, v 4.00 | Yes, v 4.10 |
| NFC | No | No | No |
| Infrared | No | No | No |
| USB OTG | Yes | No | No |
| Headphones | 3.5mm | 3.5mm | 3.5mm |
| FM | Yes | Yes | Yes |
| Number of SIMs | 2 | 2 | 2 |
| Wi-Fi Direct | No | No | No |
| Mobile High-Definition Link (MHL) | No | No | No |
| sim 1 |
| SIM Type | Micro-SIM | Micro-SIM | - |
| GSM/CDMA | GSM | GSM | GSM |
| 3G | Yes | Yes | Yes |
| 4G/ LTE | Yes | No | No |
| sim 2 |
| GSM/CDMA | GSM | GSM | GSM |
| 3G | Yes | No | Yes |
| 4G/ LTE | Yes | No | No |
| SIM Type | - | Micro-SIM | - |
| sensors |
| Compass/ Magnetometer | No | No | No |
| Proximity sensor | No | Yes | No |
| Accelerometer | Yes | Yes | Yes |
| Ambient light sensor | No | Yes | No |
| Gyroscope | No | No | No |
| Barometer | No | No | No |
| Temperature sensor | No | No | No |