ZTE
Side-by-side technical data
ZTE Grand S II S291 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 Grand S II S291, if you care about…
- Display Pixel Density
- 401 ppi
- against 256 ppi
- Weight
- 150 g
- against 193 g
- Display Horizontal Resolution
- 1,080 px
- against 720 px
- Display Vertical Resolution
- 1,920 px
- against 1,570 px
ZTE nubia A57, if you care about…
- Battery Capacity
- 5,000 mAh
- against 3,100 mAh
- RAM Capacity
- 4 GB
- against 2 GB
- Wi-Fi Standards
- Wi-Fi 802.11a/b/g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
- against Wi-Fi 802.11a/b/g/n
- Storage Type
- eMMC 5.1
- against eMMC 5.0
Specification comparison
Performance
| Specification | Grand S II S291 | nubia A57 |
|---|---|---|
| Processor Model | Qualcomm Snapdragon 801 | Unisoc T7250 |
| Processor Process Size | 28 nm | 12 nm Best value |
| Graphics GPU | Qualcomm Adreno 330 | Mali-G57 MP1 |
| Storage Type | eMMC 5.0 | eMMC 5.1 Best value |
| Maximum CPU Clock | 2.3 GHz Best value | 1.8 GHz |
| Maximum Storage Capacity | 16 GB | 128 GB Best value |
| AnTuTu Score | — | — |
| Geekbench 6 Single-Core | — | 437 |
| Geekbench 6 Multi-Core | — | 1,461 |
| CPU Description | Quad-core 2.3 GHz Krait 400 | Octa-core CPU with 2 Cortex-A75 cores at 1.8 GHz and 6 Cortex-A55 cores at 1.6 GHz |
| Processor Type | Quad-Core | Octa-Core |
| 64-Bit Processor | — | Yes |
| RAM Capacity | 2 GB | 4 GB Best value |
| RAM Type | — | DDR4 |
| Expandable Storage | Yes | Yes |
| AnTuTu version | — | — |
| 3DMark Wild Life Extreme | — | — |
| Maximum memory card | — | — |
Design
| Specification | Grand S II S291 | nubia A57 |
|---|---|---|
| Body Colors | Silver | Silver, Black, Orange |
| Body Thickness | 9.1 mm | 7.95 mm Best value |
| Body Width | 77 mm | 70.4 mm |
| Body Height | 157 mm | 160.1 mm |
| Weight | 150 g Best value | 193 g |
| Usable Surface | 69 % | 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 | — | — |
Battery
| Specification | Grand S II S291 | nubia A57 |
|---|---|---|
| Battery Efficiency Rating | — | — |
| Battery Capacity | 3,100 mAh | 5,000 mAh Best value |
| Battery Type | Li-Ion | — |
| Fast Charge Power | — | 22.5 W |
| Battery Features | — | Bypass Charging, Battery Level Indicator, Charger Included, Fast Charging, Rechargeable |
| Battery Endurance | — | — |
| Wireless charging power | — | — |
| Charge cycles | — | — |
| Talk time | — | — |
| Standby time | — | — |
| Music playback time | — | — |
| Reverse wireless charging power | — | — |
Display
| Specification | Grand S II S291 | nubia A57 |
|---|---|---|
| Display Aspect Ratio | 16:9 | 19.5:9 |
| Display Technology | IPS LCD | IPS LCD |
| Peak Display Brightness | — | 740 nits |
| Display Diagonal | 5.5″ | 6.75″ Best value |
| Display Horizontal Resolution | 1,080 px Best value | 720 px |
| Display Vertical Resolution | 1,920 px Best value | 1,570 px |
| Display Pixel Density | 401 ppi Best value | 256 ppi |
| Display Refresh Rate | — | 120 Hz |
| Touch Sampling Rate | — | — |
| Display Contrast Ratio | — | — |
| Display Features | — | 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 | — | — |
Sensors
| Specification | Grand S II S291 | nubia A57 |
|---|---|---|
| Fingerprint Sensor Placement | — | Side |
Sensor
| Specification | Grand S II S291 | nubia A57 |
|---|---|---|
| Sensor Features | Accelerometer, Gyroscope, Proximity Sensor, Compass | Fingerprint Sensor, Accelerometer, Proximity Sensor, Compass |
Software
| Specification | Grand S II S291 | nubia A57 |
|---|---|---|
| Operating System | Android 4.3 | Android 16 |
| OS Family | Android | Android |
| OS Version | 4.3 | 16 Best value |
| OS Update Support | — | — |
| Direct OS Updates | — | Yes |
| Google Services | — | — |
| Web browser | — | — |
| Java (J2ME) | — | — |
| Widevine L1 | — | — |
Connectivity
| Specification | Grand S II S291 | nubia A57 |
|---|---|---|
| SIM Configurations | Micro-SIM | Dual Nano-SIM, Dual SIM Best value |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B900, 3G UMTS 2100, 4G LTE B1, 4G LTE B3, 4G LTE B7 | 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, HSPA, LTE | GSM, HSPA, LTE |
| Wi-Fi Standards | Wi-Fi 802.11a/b/g/n | Wi-Fi 802.11a/b/g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) Best value |
| Wi-Fi Features | Dual Band, DLNA, Wi-Fi Hotspot | Dual Band |
| Bluetooth Version | Bluetooth 4.0 | Bluetooth 5.2 Best value |
| Bluetooth Profiles | A2DP | A2DP, LE |
| Navigation Systems | GPS | GPS, Galileo, GLONASS Best value |
| Connectivity Features | 3.5 mm Audio Jack, FM Radio, microUSB, USB 2.0 | 3.5 mm Audio Jack, USB Type-C, USB 2.0 |
| USB Version | microUSB | USB 2.0 |
| SAR American Head | — | — |
| SAR American Body | — | — |
| SAR (EU) head | — | — |
| SAR (EU) body | — | — |
| Messaging | — | — |
| Max. download speed | — | 300 Mbps |
| Max. upload speed | — | 50 Mbps |
Audio
| Specification | Grand S II S291 | nubia A57 |
|---|---|---|
| Microphone Count | — | 2 |
| Audio Features | A2DP, Loudspeaker | A2DP, LE |
| Alert types | — | — |
Technical
| Specification | Grand S II S291 | nubia A57 |
|---|---|---|
| EAN / GTIN | — | — |
| UPC | — | — |
| Launch price | — | — |
| MPN | — | — |
| Launch price (USD) | — | — |
Features
| Specification | Grand S II S291 | nubia A57 |
|---|---|---|
| Built-in functions | — | — |
