Detailed comparison and review of OPPO R11 and Xiaomi Redmi 9A. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.
| DESIGN AND DIMENSIONS | OPPO R11 | Xiaomi Redmi 9A |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 154.5 mm | 164.9 mm | Xiaomi Redmi 9A has greater height than OPPO R11. |
| Width | 74.8 mm | 77.07 mm | Xiaomi Redmi 9A has greater width than OPPO R11. |
| Depth | 6.8 mm | 9 mm | OPPO R11 is narrower than OPPO R11. |
| Weight | 150 g | 196 g | OPPO R11 is lighter than OPPO R11. |
| Body Colour | Black | Sky blue | Granite grey | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | - | 0.398 W/kg (head), 1.186 W/kg (body), 2.526 W/kg (limb) | |
| Integrated Components | - | FM radio | |
| 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) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | OPPO R11 | Xiaomi Redmi 9A |
|---|
| Display Type | OLED display | - | |
|---|---|---|---|
| Display Technology | Full HD Super AMOLED | - | |
| Screen Size (Display Size) | 5.5" | 6.53" | Xiaomi Redmi 9A has larger screen size than OPPO R11. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1600 x 720 pixels | OPPO R11 has better screen resolution than Xiaomi Redmi 9A. |
| Display Format | Full HD | HD+ | |
| Pixel Density | 401 ppi | - | |
| Aspect Ratio | - | 20:9 | |
| Max Brightness | 430 cd/m² | 400 cd/m² | OPPO R11 has better display brightness than Xiaomi Redmi 9A. |
| Colour Depth | 16.7 million colours | - | |
| Contrast Ratio | - | 1500:1 | |
| Display Enhancement Technology | - | Blue light filter, Sunlight mode | |
| Display Features | - | Reading mode, Colour temperature adjustment, Dot Drop display | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 5 (scratch resistant glass) | - |
| PROCESSOR | OPPO R11 | Xiaomi Redmi 9A |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 660 | MediaTek Helio G25 | |
|---|---|---|---|
| Clock Speed | 2.2 GHz | 2 GHz | OPPO R11 has higher clock speed than Xiaomi Redmi 9A. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | - | Yes | Xiaomi Redmi 9A has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 512 | PowerVR GE8320 |
| MEMORY | OPPO R11 | Xiaomi Redmi 9A |
|---|
| RAM | 4 GB | LPDDR4X SDRAM - 2 GB | OPPO R11 has more RAM than Xiaomi Redmi 9A. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 32 GB | OPPO R11 has more internal memory than Xiaomi Redmi 9A. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSD |
| CAMERA | OPPO R11 | Xiaomi Redmi 9A |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 1 | |
|---|---|---|---|
| Sensor Resolution | 20 Megapixel | 13 Megapixel | OPPO R11 has better camera resolution than Xiaomi Redmi 9A. |
| Lens Aperture | F/2.6 | - | |
| Lens Construction | 6-element | - | |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | 2x | - | |
| Special Effects | - | HDR, Kaleidoscope | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Panorama, Professional mode, portrait mode | AI portrait mode, AI Beautify 5.0 | |
| Face Recognition (Face ID) | Face detection | Face recognition | Both phones have face detection. |
| Light Source | LED light | Single tone LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF) | Phase Detect Auto-Focus (PDAF), AI scene detection |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 16 Megapixel | - | |
|---|---|---|---|
| Lens Type (2nd Camera) | Wide-angle lens | - | |
| Lens Aperture (2nd Camera) | F/1.7 | - | |
| Lens Element Qty (2nd Camera) | 5-element | - | |
| Camera Features (2nd Camera) | 5-piece lens | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 20 Megapixel | 5 Megapixel | OPPO R11 has better front camera resolution than Xiaomi Redmi 9A. |
| Lens Aperture (Front) | F/2.0 | F/2.2 | OPPO R11 has better front lens aperture than OPPO R11. |
| Pixel Size (Front) | - | 1.12 μm | |
| Special Effects (Front) | - | HDR | |
| Camera Modes (Front) | - | AI portrait mode, Portrait, AI Beautify 5.0 | |
| Face Recognition (Face ID) | - | Face recognition | Xiaomi Redmi 9A has face detection. |
| Light Source (Front) | - | Display flash | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) | - | |
| Camera Features (Front) | - | Self-timer, Palm shutter |
| BATTERY AND CHARGING | OPPO R11 | Xiaomi Redmi 9A |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 5000 mAh | Xiaomi Redmi 9A has larger battery capacity than OPPO R11. |
|---|---|---|---|
| Fast Charging Technology | VOOC rapid charging system | - | OPPO R11 has fast charging technology. |
| Standby Time | - | 816 hours | |
| Talk Time | - | 2280 minutes | |
| Run Time Details | - | Standby: up to 816 hrs Playback (audio): up to 168 hrs Talk: up to 2280 min Playback (video): up to 19 hrs Gaming: up to 14 hrs |
|
| Battery Technology | Lithium polymer | - |
| CELLULAR | OPPO R11 | Xiaomi Redmi 9A |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | ColorOS 3.1 (based on Android 7.1) | - | |
| Navigation | A-GPS, GLONASS | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | OPPO R11 | Xiaomi Redmi 9A |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-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 4, Band 5, Band 8 | |
| 3G UMTS Frequency | - | 2100, 1900, 1700, 850, 900 | |
| 4G LTE Band | Band 1, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 39, Band 40, Band 41 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 5.0 | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | OPPO R11 | Xiaomi Redmi 9A |
|---|
| Supported Digital Audio Standards | WAV, MP3, FLAC, eAAC+ | AAC, PCM, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), AMR-WB, AMR-NB | |
|---|---|---|---|
| Supported Digital Video Standards | MPEG-4, H.264 | MKV, MPEG4-ASP, MPEG-4 SP, H.264 BP, H.264 MP, H.264 HP | |
| Sound Enhancements | - | 0.64cc Sound Chamber |
| FEATURES | OPPO R11 | Xiaomi Redmi 9A |
|---|
| 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, proximity sensor, digital compass, gyro sensor | Accelerometer, ambient light sensor, distance sensor | |
| Security Devices | Fingerprint reader | Face recognition | |
| Additional Phone Features | MIMO technology, Active noise-cancellation | AI face unlock, HyperEngine technology |
| OTHERS | OPPO R11 | Xiaomi Redmi 9A |
|---|
| Included Accessories | Headset, carrying case, USB cable, power adapter, SIM card removal tool | USB cable, SIM card removal tool, 10W charger |
|---|
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