Side by side comparison and review of CUBOT R9 and Xiaomi Redmi S2. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | CUBOT R9 | Xiaomi Redmi S2 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 144 mm | 160.73 mm | Xiaomi Redmi S2 has greater height than CUBOT R9. |
| Width | 72 mm | 77.26 mm | Xiaomi Redmi S2 has greater width than CUBOT R9. |
| Depth | 7.85 mm | 8.1 mm | CUBOT R9 is narrower than CUBOT R9. |
| Weight | - | 170 g | |
| Body Colour | Gold | Grey | Blue | Rose gold | Gold | Black | Dark grey | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | - | 1.577 W/kg (body), 0.429 W/kg (head) | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Micro SIM, nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | CUBOT R9 | Xiaomi Redmi S2 |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | IPS | - | |
| Screen Size (Display Size) | 5" | 5.99" | Xiaomi Redmi S2 has larger screen size than CUBOT R9. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 1440 x 720 pixels | Xiaomi Redmi S2 has better screen resolution than CUBOT R9. |
| Display Format | HD | HD+ | |
| Pixel Density | 294 ppi | 269 ppi | CUBOT R9 has better pixel density than Xiaomi Redmi S2. |
| Aspect Ratio | - | 18:9 | |
| Max Brightness | 450 cd/m² | 450 cd/m² | Both phones have the same display brightness |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Contrast Ratio | 1300:1 | 1000:1 | CUBOT R9 has better display contrast ratio than Xiaomi Redmi S2. |
| Display Features | 2.5D Glass | Night Display, Sunlight Display, Reading mode, Colour temperature adjustment |
| PROCESSOR | CUBOT R9 | Xiaomi Redmi S2 |
|---|
| Processor Type (CPU) | MediaTek | Qualcomm Snapdragon 625 | |
|---|---|---|---|
| Processor Number | MT6580 | - | |
| Clock Speed | 1.3 GHz | - | |
| Processor Core Qty | Quad-core | 8-core | Xiaomi Redmi S2 has higher processor core quantity than CUBOT R9. |
| 64-bit Architecture | - | Yes | Xiaomi Redmi S2 has 64-bit architecture. |
| Graphics System (GPU) | ARM Mali-400 | Qualcomm ADRENO 506 |
| MEMORY | CUBOT R9 | Xiaomi Redmi S2 |
|---|
| RAM | 2 GB | 3 GB | Xiaomi Redmi S2 has more RAM than CUBOT R9. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 32 GB | Xiaomi Redmi S2 has more internal memory than CUBOT R9. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC - up to 32 GB | microSDHC, microSDXC - up to 256 GB |
| CAMERA | CUBOT R9 | Xiaomi Redmi S2 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 12 Megapixel | CUBOT R9 has better camera resolution than Xiaomi Redmi S2. |
| Lens Aperture | F/2.4 | F/2.2 | Xiaomi Redmi S2 has better lens aperture than CUBOT R9. |
| Lens Construction | 4-element | - | |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | Intelligent beauty | HDR, low light enhancement | |
| Camera Modes | - | Panorama, portrait mode, AI portrait mode | |
| Face Recognition (Face ID) | - | Face recognition | Xiaomi Redmi S2 has face detection. |
| Light Source | LED light | LED flash | |
| Video Resolutions | - | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Functions) | - | Phase Detect Auto-Focus (PDAF), AI Dual camera |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 5 Megapixel |
|---|
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 16 Megapixel | Xiaomi Redmi S2 has better front camera resolution than CUBOT R9. |
| Lens Type (Front) | - | Wide-angle lens | |
| Lens Aperture (Front) | - | F/2.0 | |
| Special Effects (Front) | - | Precise bokeh effect, AI Beautify 4.0 | |
| HDR Mode (Front) | - | Auto HDR mode | |
| Camera Modes (Front) | - | Wide selfie mode | |
| Light Source (Front) | LED flash | LED flash |
| BATTERY AND CHARGING | CUBOT R9 | Xiaomi Redmi S2 |
|---|
| Battery Capacity (Battery Size) | 2600 mAh | 3080 mAh | Xiaomi Redmi S2 has larger battery capacity than CUBOT R9. |
|---|---|---|---|
| Battery Technology | Lithium polymer | - |
| CELLULAR | CUBOT R9 | Xiaomi Redmi S2 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 3G | 4G | Xiaomi Redmi S2 has more advanced generation mobile network. |
| Operating System | Android 7.0 Nougat | - | |
| User Interface | - | MIUI 9 | |
| Navigation | GPS, A-GPS | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | CUBOT R9 | Xiaomi Redmi S2 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+ | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | - | Band 1, Band 2, Band 5, Band 8 | |
| 3G UMTS Frequency | - | 2100, 1900, 850, 900 | |
| 4G LTE Band | - | Band 1, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40 | |
| 4G LTE Frequency | - | FDD 2100, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300 | |
| Wireless Interface | IEEE 802.11b/g/n | Infrared (IrDA), IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 4.0 | Bluetooth 4.2 | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | CUBOT R9 | Xiaomi Redmi S2 |
|---|
| Supported Digital Audio Standards | WAV, AAC, AMR, MP3, FLAC, XMF, OGG, MKA, MIDI, M4A, OGA, 3GA, AWB, IMY, RTX, OTA, MP4, MID, SMF | WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), DSD, AMR-WB, AMR-NB | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, MOV, MPEG-4, WMV, 3GP, H.264, WMV9, WebM, 3G2, F4V | VC-1, XviD, MPEG-4, H.264, M4V, HEVC, H.265, ASP |
| FEATURES | CUBOT R9 | Xiaomi Redmi S2 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor | |
| Security Devices | Fingerprint reader | Face recognition, fingerprint reader | |
| Additional Phone Features | - | Infrared remote control, Dual microphones |
| OTHERS | CUBOT R9 | Xiaomi Redmi S2 |
|---|
| Included Accessories | Protective cover, USB cable, power adapter | USB cable, power adapter, SIM card removal tool, clear soft case |
|---|
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