In depth comparison and review of OPPO R9s and Nokia C21 Plus. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.
| DESIGN AND DIMENSIONS | OPPO R9s | Nokia C21 Plus |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | TA-1424 | |
| Form Factor | Touch | Touch | |
| Height | 153 mm | 164.8 mm | Nokia C21 Plus has greater height than OPPO R9s. |
| Width | 74.3 mm | 75.9 mm | Nokia C21 Plus has greater width than OPPO R9s. |
| Depth | 6.58 mm | 8.55 mm | OPPO R9s is narrower than OPPO R9s. |
| Weight | 145 g | 191 g | OPPO R9s is lighter than OPPO R9s. |
| Body Colour | Red | Black | Rose gold | Gold | Dark cyan | Warm grey | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | - | 1.29 W/kg (body), 0.685 W/kg (head) | |
| 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 (SIM1 and SIM2/MicroSD slots) | Dual-SIM | |
| SIM Card Configuration Details | Nano SIM + nano SIM/microSD | - |
| DISPLAY | OPPO R9s | Nokia C21 Plus |
|---|
| Display Type | OLED display | LCD display | |
|---|---|---|---|
| Display Technology | AMOLED | LCD | |
| Screen Size (Display Size) | 5.5" | 6.517" | Nokia C21 Plus has larger screen size than OPPO R9s. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1600 x 720 pixels | OPPO R9s has better screen resolution than Nokia C21 Plus. |
| Display Format | Full HD | - | |
| Pixel Density | 401 ppi | - | |
| Aspect Ratio | - | 20:9 | |
| Colour Depth | 16.7 million colours | - | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 5 (scratch resistant glass) | 2.5D tempered glass |
| PROCESSOR | OPPO R9s | Nokia C21 Plus |
|---|
| Processor Type (CPU) | Qualcomm | Spreadtrum Unisoc | |
|---|---|---|---|
| Processor Number | MSM8953 | SC9863A | |
| Clock Speed | 2 GHz | 1.6 GHz | OPPO R9s has higher clock speed than Nokia C21 Plus. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | OPPO R9s has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 506 | - |
| MEMORY | OPPO R9s | Nokia C21 Plus |
|---|
| RAM | 4 GB | 2 GB | OPPO R9s has more RAM than Nokia C21 Plus. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 32 GB | OPPO R9s has more internal memory than Nokia C21 Plus. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSD, microSDXC - up to 256 GB |
| CAMERA | OPPO R9s | Nokia C21 Plus |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 16 Megapixel | 13 Megapixel | OPPO R9s has better camera resolution than Nokia C21 Plus. |
| Sensor Size | 1/2.8" | - | |
| Sensor Name | Sony Exmor RS IMX398 sensor | - | |
| Lens Aperture | F/1.7 | - | |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | - | HDR | |
| Camera Modes | Panorama, low-light shots, GIF animation function | Panorama, Portrait | |
| 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) | Noise reduction, Electronic Image Stabiliser (EIS), Dual Phase Detect Auto-Focus (PDAF) | - |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 2 Megapixel |
|---|
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 16 Megapixel | 5 Megapixel | OPPO R9s has better front camera resolution than Nokia C21 Plus. |
| Lens Aperture (Front) | F/2.0 | - | |
| Special Effects (Front) | Beautify 4.0 | - | |
| HDR Mode (Front) | Auto HDR mode | - | |
| Light Source (Front) | - | LED flash |
| BATTERY AND CHARGING | OPPO R9s | Nokia C21 Plus |
|---|
| Battery Capacity (Battery Size) | 3010 mAh | - |
|---|
| CELLULAR | OPPO R9s | Nokia C21 Plus |
|---|
| Technology | CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | ColorOS 3.0 (based on Android 6.0.1) | Android 11 (Go edition) | |
| Intelligent Assistant | - | Google Assistant | |
| Navigation | GPS, A-GPS | GPS, A-GPS |
| COMMUNICATIONS | OPPO R9s | Nokia C21 Plus |
|---|
| Data Transmission | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, LTE | LTE | |
|---|---|---|---|
| Wireless Interface | IEEE 802.11a/b/g/n/ac | Wi-Fi | |
| Bluetooth | Bluetooth 4.0 | Bluetooth 4.2 | |
| Bluetooth Profiles | A2DP | - | |
| Messaging Services | SMS, MMS | - |
| MEDIA | OPPO R9s | Nokia C21 Plus |
|---|
| Supported Digital Audio Standards | WAV, WMA, AMR, MP3, FLAC, OGG, APE (Monkey's Audio), MID | - | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, MOV, MPEG-4, WMV, ASF, 3GP | - |
| FEATURES | OPPO R9s | Nokia C21 Plus |
|---|
| Phone Functions | Speakerphone, call timer, conference call, flight mode, vibrating alert | - | |
|---|---|---|---|
| Sensors | Ambient light sensor, digital compass, gyro sensor, G-sensor, distance sensor | Accelerometer, ambient light sensor, proximity sensor | |
| Security Devices | Fingerprint reader | Face recognition, fingerprint reader | |
| Security Technology | - | Face Unlock | |
| Additional Phone Features | Glove and Wet Touchscreen Operation | 2 years of Security Updates |
| OTHERS | OPPO R9s | Nokia C21 Plus |
|---|
| Included Accessories | Headset, USB cable, power adapter | Headphones, power adapter, USB-C cable, protective case |
|---|
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