BenQ-Siemens S81
$70
Overview
BenQ-Siemens S81 is a budget Android smartphone released in 2018 with a 2-inch IPS LCD, powerful processor chipset, 3 main camera, and 920 mAh battery.
Priced at $70, it targets users seeking budget performance.
Specifications of BenQ-Siemens S81
The display of BenQ-Siemens S81 measures 2 inches with IPS LCD technology. Peak brightness reaches 250 nits for excellent outdoor visibility. The screen renders at 176x220 pixels resolution.
The camera system of BenQ-Siemens S81 features 2 rear cameras: 3 main. Video recording supports up to 720p.
The battery of BenQ-Siemens S81 has 920mAh capacity with 5 wired charging. A full charge takes approximately 120 min minutes.
The memory of BenQ-Siemens S81 offers 3GB RAM. RAM uses DDR3 technology. Storage is 30MB.
The connectivity of BenQ-Siemens S81 includes 5G support, Wi-Fi No, and Bluetooth 1.1.
The build of BenQ-Siemens S81 weighs 99.0g with Plastic frame and Glossy back. Dimensions measure 153.8 x 72.7 x 7.8 mm.
The software of BenQ-Siemens S81 runs Android 7.1 (Nougat), ZUI Lite 3.1 with ZUI Lite.
Compare BenQ-Siemens S81
Frequently Asked Questions about BenQ-Siemens S81
BenQ-Siemens S81 has a 3 camera suitable for casual photography. For professional photography, consider phones with higher-resolution sensors.
Yes, BenQ-Siemens S81 supports 5G connectivity with both Sub-6GHz and mmWave bands for maximum network compatibility and fastest speeds. It works with major 5G carriers globally.
BenQ-Siemens S81 has a 920mAh battery. Battery life varies based on usage patterns.
BenQ-Siemens S81 at $70 is a budget device. It's worth buying if you prioritize affordability over premium features.
BenQ-Siemens S81 supports 5 wired charging with full charge in approximately 120 min minutes.
BenQ-Siemens S81 has a 2-inch IPS LCD with 60Hz refresh rate and 250 nits peak brightness.
BenQ-Siemens S81 in Category Rankings
See how BenQ-Siemens S81 ranks in these categories:
Verdict
The BenQ-Siemens S81 delivers practical value for users prioritizing affordability over premium features. Pick this phone for essential smartphone functionality, if you prioritize affordability while still needing core features.
Key Specifications
Display
2"
Main Camera
3
Chipset
Full Specifications
Network
| Technology | GSM / CDMA / HSPA / LTE |
| 2G Bands | GSM / |
| 3G Bands | UMTS 2100 |
| 4G LTE Bands | LTE |
| 5G Sub-6 Bands | [] |
| 5G mmWave Bands | [] |
| Speed | N/A |
| Carrier Aggregation | |
| SIM | Mini-SIM |
| Dual SIM Mode | dual-standby |
| eSIM Support | |
| VoLTE Support | N/A |
| VoWiFi | N/A |
| NR CA Support | N/A |
Launch
| Announced | 2018 |
| Status | Discontinued |
| Availability | N/A |
| Model Variants | N/A |
| Launch Price | $120 |
Body & Design
| Dimensions (mm) | 153.8 x 72.7 x 7.8 mm |
| Weight (g) | 99.0 |
| Build Materials | Plastic |
| Frame | Plastic |
| Back Finish | Glossy |
| Colors | ["Black/Silver"] |
| IP Rating | N/A |
| Rugged Certifications | N/A |
| Ingress Gaskets | N/A |
| Form Factor | Bar |
| Hinge Type | N/A |
| Folded Dimensions | 0x0x0 |
| Thermal Solution | N/A |
| Notification/Alert | |
| Haptics | Basic |
Display
| Panel Type | IPS LCD |
| Size (inches) | 2 |
| Resolution (px) | 176x220 pixels |
| Aspect Ratio | 1:2 |
| Pixel Density (ppi) | 282 |
| Screen-to-body Ratio (%) | 24.1 |
| Refresh Rate (Hz) | 60 |
| Adaptive Refresh Rate | |
| Touch Sampling Rate (Hz) | 60 |
| Peak Brightness (nits) | 250 |
| HDR Standards | N/A |
| Color Gamut | sRGB |
| Color Depth | 16 |
| PWM Dimming (Hz) | N/A |
| Glass Protection | N/A |
| Oleophobic Coating | N/A |
| Curvature | Flat |
| Always-on Display | |
| Display Driver IC | N/A |
| Cover Display |
Platform (SoC)
| OS at Launch | Android 7.1 (Nougat), ZUI Lite 3.1 |
| Update Policy | N/A |
| Chipset | N/A |
| CPU | N/A |
| GPU | N/A |
| NPU/AI TOPs | N/A |
| ISP Features | Integrated ISP with basic image processing |
| Modem | Integrated GSM/EDGE modem |
| Wi-Fi/Bluetooth Chip | N/A |
| Throttling Behavior | N/A |
| Geekbench Single-Core | 200 |
| Geekbench Multi-Core | 400 |
| AnTuTu Score | 30000 |
| 3DMark Scores | N/A |
Memory & Storage
| RAM | 3GB |
| RAM Type | DDR3 |
| Storage | N/A |
| Storage Type | 30MB |
| Storage Speed | eMMC 5.1 |
| Expandable Storage | microSDXC (uses shared SIM slot) |
| Slot Type | microSD |
| USB OTG | |
| Filesystem Encryption | N/A |
Main Camera System
| Rear Cameras | 2 |
| Main Sensor | 3 |
| Main Sensor Size | 1/5 inch |
| Main Sensor Model | N/A |
| Main Lens | f/2.0, 28mm |
| OIS | |
| Autofocus | AF |
| Pixel Binning | |
| Ultrawide | N/A |
| Telephoto | N/A |
| Macro | N/A |
| Depth/ToF/LiDAR | |
| Flicker/Color Sensors | N/A |
| Flash | LED |
| Video Resolution | 720p |
| HDR/Dolby Vision Video | |
| Video Codecs | H.264 |
| Slow Motion | |
| Video Stabilization | EIS |
| Night Mode Features | |
| RAW/Pro Controls | N/A |
Selfie Camera
| Resolution | N/A |
| Sensor Size | 1/7 inch |
| Aperture | f/2.8 |
| AF/OIS | N/A |
| Secondary Front Cam | |
| Front Flash | |
| Video | 480p |
| HDR/Dolby Vision | N/A |
| Face Unlock | N/A |
Audio
| Loudspeakers | |
| 3.5mm Jack | |
| Hi-Res Audio | |
| Spatial Audio / Dolby Atmos | |
| Microphones | 1 |
| Bluetooth Codecs | aac |
| DAC/Amp | N/A |
Connectivity
| Wi-Fi | |
| Wi-Fi Features | |
| Bluetooth | 1.1 |
| NFC | N/A |
| IR Blaster | |
| UWB | N/A |
| Positioning | |
| Dual-Band GNSS | |
| FM Radio | |
| USB | N/A |
| Display Out | |
| eSIM Capacity |
Sensors
| Fingerprint Sensor | N/A |
| 3D Face ID | N/A |
| Accelerometer | N/A |
| Gyroscope | N/A |
| Magnetometer | N/A |
| Proximity Sensor | N/A |
| Ambient Light | N/A |
| Barometer | N/A |
| Thermo/Hygrometer | N/A |
| UV Sensor | N/A |
| Hall Sensor | |
| Color Temp Sensor | |
| Health Sensors | N/A |
| Satellite SOS |
Battery & Charging
| Capacity (mAh) | 920 |
| Type | Removable Li-Ion 920 mAh battery |
| Removable | |
| Endurance Rating | N/A |
| Wired Charging | 5 |
| Wired Standard | 5V/1A |
| 0-50% Time (mins) | 30 min |
| Full Charge Time | 120 min |
| Wireless Charging | N/A |
| Wireless Standard | N/A |
| Reverse Wireless | N/A |
| Reverse Wired | |
| Charger in Box | 5V/1A |
| Battery Health Features | N/A |
Software
| OS at Launch | Android 7.1 (Nougat), ZUI Lite 3.1 |
| Update Window | N/A |
| UI Skin / Launcher | ZUI Lite |
| Feature Drops | N/A |
| App Cloning | N/A |
| Game Mode | |
| Privacy Features | Basic privacy features including app permissions and data encryption |
| Accessibility | Basic |
| Satellite Messaging UI |
Miscellaneous
| In-Box Contents | charger, manual |
| Recycled Materials (%) | N/A |
| Repairability Score | N/A |
| Warranty | N/A |
Reviews & Ratings
186 ratings
Showing 3 of 186 reviews
Alex R.
2 weeks ago
Absolutely love the camera on this phone! The zoom is incredible and the photos are so crisp. Battery life is also a huge plus.
Ben C.
1 month ago
Great performance and beautiful display. My only complaint is that it feels a bit heavy, but you get used to it. Solid phone overall.
Chloe D.
3 months ago
The best phone I've ever owned. It's fast, the software is clean, and the build quality is top-notch. Highly recommend!