ZTE
Side-by-side technical data
ZTE Open II vs ZTE nubia A57
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?
ZTE nubia A57, if you care about…
- Battery Capacity
- 5,000 mAh
- against 1,150 mAh
- RAM Capacity
- 4 GB
- against 250 MB
- Wi-Fi Standards
- Wi-Fi 802.11a/b/g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
- against Wi-Fi 802.11 b/g/n, Wi-Fi 4 (802.11n)
- Storage Type
- eMMC 5.1
- against eMMC 4.5
Specification comparison
Battery
| Specification | Open II | nubia A57 |
|---|---|---|
| Battery Efficiency Rating | — | — |
| Battery Capacity | 1,150 mAh | 5,000 mAh Best value |
| Battery Type | Li-Ion | — |
| Fast Charge Power | — | 22.5 W |
| Battery Features | Battery Level Indicator, Rechargeable, Removable | Bypass Charging, Battery Level Indicator, Charger Included, Fast Charging, Rechargeable |
| Battery Endurance | — | — |
| Wireless charging power | — | — |
| Charge cycles | — | — |
| Talk time | — | — |
| Standby time | — | — |
| Music playback time | — | — |
Design
| Specification | Open II | nubia A57 |
|---|---|---|
| Body Colors | Black | Silver, Black, Orange |
| Body Thickness | 10.5 mm | 7.95 mm Best value |
| Body Width | 61 mm | 70.4 mm |
| Body Height | 118 mm | 160.1 mm |
| Weight | — | 193 g |
| Usable Surface | 50.7 % | 98.8 % Best value |
| Body Materials | — | Glass, Plastic |
| 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 | Open II | nubia A57 |
|---|---|---|
| Processor Model | Qualcomm Snapdragon 200 | Unisoc T7250 |
| Processor Process Size | 28 nm | 12 nm Best value |
| Graphics GPU | Qualcomm Adreno 302 | Mali-G57 MP1 |
| Storage Type | eMMC 4.5 | eMMC 5.1 Best value |
| Maximum CPU Clock | 1.2 GHz | 1.8 GHz Best value |
| Maximum Storage Capacity | 2 GB | 128 GB Best value |
| AnTuTu Score | — | — |
| Geekbench 6 Single-Core | — | 437 |
| Geekbench 6 Multi-Core | — | 1,461 |
| CPU Description | Dual-core 1.2 GHz Cortex-A7 | Octa-core CPU with 2 Cortex-A75 cores at 1.8 GHz and 6 Cortex-A55 cores at 1.6 GHz |
| Processor Type | Dual-Core | Octa-Core |
| 64-Bit Processor | No | Yes Best value |
| RAM Capacity | 250 MB | 4 GB Best value |
| RAM Type | — | DDR4 |
| Expandable Storage | Yes | Yes |
| AnTuTu version | — | — |
| 3DMark Wild Life Extreme | — | — |
| Maximum memory card | 32 GB | — |
Sensors
| Specification | Open II | nubia A57 |
|---|---|---|
| Fingerprint Sensor Placement | — | Side |
Display
| Specification | Open II | nubia A57 |
|---|---|---|
| Display Aspect Ratio | 3:2 | 19.5:9 |
| Peak Display Brightness | — | 740 nits |
| Display Technology | TFT LCD | IPS LCD Best value |
| Display Diagonal | 3.5″ | 6.75″ Best value |
| Display Horizontal Resolution | 320 px | 720 px Best value |
| Display Vertical Resolution | 480 px | 1,570 px Best value |
| Display Pixel Density | 165 ppi | 256 ppi Best value |
| Display Refresh Rate | — | 120 Hz |
| Touch Sampling Rate | — | — |
| Display Contrast Ratio | — | — |
| Display Features | Touchscreen | Capacitive Touch |
| 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 | Open II | nubia A57 |
|---|---|---|
| Sensor Features | Accelerometer | Fingerprint Sensor, Accelerometer, Proximity Sensor, Compass |
Software
| Specification | Open II | nubia A57 |
|---|---|---|
| Operating System | Firefox OS 1.3 | Android 16 |
| OS Family | Firefox OS | Android |
| OS Version | 1.3 | 16 |
| OS Update Support | — | — |
| Direct OS Updates | No | Yes Best value |
| Google Services | — | — |
| Web browser | — | — |
| Java (J2ME) | — | — |
Connectivity
| Specification | Open II | nubia A57 |
|---|---|---|
| SIM Configurations | Micro-SIM, Single SIM | Dual Nano-SIM, Dual SIM Best value |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS bands unspecified | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1900, 3G UMTS 2100, 4G LTE bands unspecified |
| Cellular Technologies | GSM, GPRS, EDGE, HSPA | GSM, HSPA, LTE Best value |
| Wi-Fi Standards | Wi-Fi 802.11 b/g/n, Wi-Fi 4 (802.11n) | Wi-Fi 802.11a/b/g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) Best value |
| Wi-Fi Features | Wi-Fi Hotspot | Dual Band |
| Bluetooth Version | Bluetooth 2.1 | Bluetooth 5.2 Best value |
| Bluetooth Profiles | — | A2DP, LE |
| Navigation Systems | GPS | GPS, Galileo, GLONASS Best value |
| Connectivity Features | 3.5 mm Audio Jack, MP3 Player, FM Radio, microUSB | 3.5 mm Audio Jack, USB Type-C, 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 | Open II | nubia A57 |
|---|---|---|
| Microphone Count | 1 | 2 Best value |
| Audio Features | Loudspeaker | A2DP, LE |
| Alert types | — | — |
Technical
| Specification | Open II | nubia A57 |
|---|---|---|
| EAN / GTIN | — | — |
| UPC | — | — |
| Launch price | — | — |
| MPN | — | — |
| Launch price (USD) | — | — |
Features
| Specification | Open II | nubia A57 |
|---|---|---|
| Built-in functions | MP3 player, Audio/video player, Photo viewer, Predictive text input | — |
