In depth comparison and review of OPPO A15 and Nokia G21. 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 A15 | Nokia G21 |
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Product Type | Smartphone | Smartphone | |
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Manufacturer Model Number | CPH2185 | - | |
Form Factor | Touch | Touch | |
Height | 164 mm | 164.6 mm | Nokia G21 has greater height than OPPO A15. |
Width | 75.4 mm | 75.9 mm | Nokia G21 has greater width than OPPO A15. |
Depth | 7.9 mm | 8.5 mm | OPPO A15 is narrower than OPPO A15. |
Weight | 175 g | 190 g | OPPO A15 is lighter than OPPO A15. |
Body Colour | Dynamic black | Nordic blue | Dusk | |
Body Material | - | Polycarbonate | |
Waterproof (Water-resistant) | - | - | |
SAR Value | 1.16 W/kg (body), 2.77 W/kg (limb), 0.92 W/kg (head) | 1.048 W/kg (body), 0.339 W/kg (head) | |
Integrated Components | - | FM radio | |
Connector Type | Micro-USB Handset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
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SIM Card Type (Size) | Nano SIM | Nano SIM | |
SIM Card Qty | Dual-SIM | Dual-SIM |
DISPLAY | OPPO A15 | Nokia G21 |
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Display Type | LCD display | - | |
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Display Technology | LCD | - | |
Screen Size (Display Size) | 6.52" | 6.5" | OPPO A15 has larger screen size than Nokia G21. |
Screen Resolution (Display Resolution) | 1600 x 720 pixels | 1600 x 720 pixels | Both phones have the same screen resolution. |
Display Format | HD+ | HD+ | |
Pixel Density | 269 ppi | - | |
Aspect Ratio | - | 20:9 | |
Max Brightness | 480 cd/m² | 400 cd/m² | OPPO A15 has better display brightness than Nokia G21. |
Contrast Ratio | 1500:1 | - | |
Display Refresh Rate | 60 Hz | 90 Hz | Nokia G21 has better refresh rate than OPPO A15. |
Touch Sampling Rate | - | 180 Hz | |
Display Features | Dark mode, Waterdrop Screen | V-notch display, High brightness mode |
PROCESSOR | OPPO A15 | Nokia G21 |
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Processor Type (CPU) | MediaTek Helio P35 | Unisoc | |
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Processor Number | MT6765 | T606 | |
Clock Speed | 2.3 GHz | 1.6 GHz | OPPO A15 has higher clock speed than Nokia G21. |
Processor Core Qty | - | 8-core | |
Graphics System (GPU) | IMG GE8320 | - |
MEMORY | OPPO A15 | Nokia G21 |
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RAM | LPDDR4X SDRAM - 3 GB | 4 GB | Nokia G21 has more RAM than OPPO A15. |
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Internal Memory Size (Storage Capacity) | 32 GB | 64 GB | Nokia G21 has more internal memory than OPPO A15. |
Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSD, microSDXC - up to 256 GB | microSDHC, microSD, microSDXC - up to 512 GB |
CAMERA | OPPO A15 | Nokia G21 |
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MAIN CAMERA |
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Number of Main Cameras | 3 | 3 | |
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Sensor Resolution | 13 Megapixel | 50 Megapixel | Nokia G21 has better camera resolution than OPPO A15. |
Sensor Size | - | 1/2.76" | |
Sensor Type | - | CMOS | |
Lens Aperture | F/2.2 | F/1.8 | Nokia G21 has better lens aperture than OPPO A15. |
Lens Construction | 5-element | 5-element | |
Pixel Size | - | 0.64 μm | |
Focus Adjustment | Automatic | - | |
Special Effects | HDR, Portrait bokeh | - | |
Camera Modes | Panorama, Time-lapse mode, Slow motion mode, Expert Mode, Portrait, Night | - | |
Light Source | LED flash | LED flash | |
Camera Features (Functions) | AI Triple camera, AI Scene Enhancement | AI imaging technology |
SECOND CAMERA |
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Sensor Resolution (2nd Camera) | 2 Megapixel | 2 Megapixel | Both phones have the same second camera resolution. |
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Lens Aperture (2nd Camera) | F/2.4 | - | |
Lens Element Qty (2nd Camera) | 3-element | - | |
Camera Functions (2nd Camera) | Macro camera | Macro camera | |
Camera Features (2nd Camera) | 4cm macro photography | - |
THIRD CAMERA |
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Sensor Resolution (3rd Camera) | 2 Megapixel | 2 Megapixel | Both phones have the same third camera resolution. |
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Lens Aperture (3rd Camera) | F/2.4 | - | |
Lens Element Qty (3rd Camera) | 3-element | - | |
Camera Functions (3rd Camera) | Depth camera | Depth camera |
FRONT CAMERA |
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Number of Front Cameras | 1 | 1 | |
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Sensor Resolution (Front) | 5 Megapixel | 8 Megapixel | Nokia G21 has better front camera resolution than OPPO A15. |
Lens Aperture (Front) | F/2.4 | - | |
Lens Element Qty (Front) | 3-element | - | |
Camera Features (Front) | AI beautification | - |
BATTERY AND CHARGING | OPPO A15 | Nokia G21 |
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Battery Capacity (Battery Size) | 4230 mAh | 5050 mAh | Nokia G21 has larger battery capacity than OPPO A15. |
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Run Time Details | - | Mixed usage: up to 72 hrs |
CELLULAR | OPPO A15 | Nokia G21 |
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Technology | WCDMA (UMTS) / GSM | - | |
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Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
Operating System | ColorOS 7.2 (based on Android 10) | Android 11 | |
Intelligent Assistant | - | Google Assistant | |
Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, Galileo |
COMMUNICATIONS | OPPO A15 | Nokia G21 |
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Data Transmission | FDD-LTE, TDD-LTE | LTE | |
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2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
3G UMTS Band | Band 1, Band 5, Band 8 | Band 1, Band 5, Band 8 | |
3G UMTS Frequency | 2100, 850, 900 | 2100, 850, 900 | |
4G LTE Band | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 | |
4G LTE Frequency | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
Wireless Interface | Wi-Fi | IEEE 802.11a/b/g/n/ac | |
Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 | |
NFC | - | Yes | Nokia G21 has NFC reader for mobile payments. |
MEDIA | OPPO A15 | Nokia G21 |
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Supported Digital Audio Standards | AAC, apt-X, LDAC, SBC | - | |
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Sound Enhancements | - | OZO spatial sound recording |
FEATURES | OPPO A15 | Nokia G21 |
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Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
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Sensors | - | Accelerometer, ambient light sensor, proximity sensor | |
Security Devices | Face recognition, fingerprint reader | Face recognition, fingerprint reader (side) | |
Security Technology | AI face unlock | Face Unlock | |
Additional Phone Features | HyperBoost 2.1 | Dual microphones, Fast Charging, Google Assistant Button, 3 years of Security Updates, 2 years of OS upgrades, guaranteed upgrade to Android 12 |
OTHERS | OPPO A15 | Nokia G21 |
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Included Accessories | Protective cover, USB cable, power adapter, SIM card removal tool | USB-C cable, screen protector (pre-applied), 10W charger |
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