Side by side comparison and review of OPPO Reno2 Z and Nokia G21. 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 | OPPO Reno2 Z | Nokia G21 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 161.8 mm | 164.6 mm | Nokia G21 has greater height than OPPO Reno2 Z. |
| Width | 75.8 mm | 75.9 mm | Nokia G21 has greater width than OPPO Reno2 Z. |
| Depth | 8.7 mm | 8.5 mm | Nokia G21 is narrower than OPPO Reno2 Z. |
| Weight | 195 g | 190 g | Nokia G21 is lighter than OPPO Reno2 Z. |
| Body Colour | Luminous black | Sky white | Nordic blue | Dusk | |
| Body Material | Corning Gorilla Glass 5 | Polycarbonate | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.872 W/kg (head), 3.99 W/kg (limb), 1.282 W/kg (body) | 1.048 W/kg (body), 0.339 W/kg (head) | |
| Integrated Components | - | FM radio | |
| Connector Type | USB Type-C - 24 pin USB-C Handset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | OPPO Reno2 Z | Nokia G21 |
|---|
| Display Type | OLED display | - | |
|---|---|---|---|
| Display Technology | AMOLED | - | |
| Screen Size (Display Size) | 6.5" | 6.5" | Both phones have the same screen size. |
| Screen Resolution (Display Resolution) | 2340 x 1080 pixels | 1600 x 720 pixels | OPPO Reno2 Z has better screen resolution than Nokia G21. |
| Display Format | - | HD+ | |
| Pixel Density | 394 ppi | - | |
| Aspect Ratio | - | 20:9 | |
| Max Brightness | 430 cd/m² | 400 cd/m² | OPPO Reno2 Z has better display brightness than Nokia G21. |
| Colour Depth | 16.7 million colours | - | |
| Contrast Ratio | 60000:1 | - | |
| Display Enhancement Technology | OnCell technology | - | |
| Display Refresh Rate | - | 90 Hz | |
| Touch Sampling Rate | - | 180 Hz | |
| Display Features | - | V-notch display, High brightness mode | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 5 (scratch resistant glass) | - |
| PROCESSOR | OPPO Reno2 Z | Nokia G21 |
|---|
| Processor Type (CPU) | MediaTek Helio P90 | Unisoc | |
|---|---|---|---|
| Processor Number | - | T606 | |
| Clock Speed | - | 1.6 GHz | |
| Processor Core Qty | - | 8-core | |
| Graphics System (GPU) | IMG 9XM-HP8 | - |
| MEMORY | OPPO Reno2 Z | Nokia G21 |
|---|
| RAM | 8 GB | 4 GB | OPPO Reno2 Z has more RAM than Nokia G21. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 64 GB | OPPO Reno2 Z has more internal memory than Nokia G21. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSD, microSDXC - up to 512 GB |
| CAMERA | OPPO Reno2 Z | Nokia G21 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 3 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 50 Megapixel | Nokia G21 has better camera resolution than OPPO Reno2 Z. |
| Sensor Size | 1/2" | 1/2.76" | Nokia G21 has better camera sensor size than OPPO Reno2 Z. |
| Sensor Type | - | CMOS | |
| Sensor Name | Sony Exmor RS IMX586 sensor | - | |
| Lens Aperture | F/1.7 | F/1.8 | OPPO Reno2 Z has better lens aperture than OPPO Reno2 Z. |
| Lens Construction | 6-element | 5-element | |
| Pixel Size | 0.8 μm | 0.64 μm | OPPO Reno2 Z has larger camera pixel size than Nokia G21. |
| Focus Adjustment | Automatic | - | |
| Digital Zoom | 10x | - | |
| Special Effects | HDR | - | |
| Camera Modes | Panorama, Time-lapse mode, Slow motion mode, Beauty mode, Professional mode, Night scene mode, Portrait Mode 2.0, Portrait bokeh mode | - | |
| Light Source | Dual LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps | - | |
| Camera Features (Functions) | Electronic Image Stabiliser (EIS), NPU Acceleration | AI imaging technology |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 8 Megapixel | 2 Megapixel | OPPO Reno2 Z has better second camera resolution than Nokia G21. |
|---|---|---|---|
| Sensor Size (2nd Camera) | 1/4.0" | - | |
| Lens Type (2nd Camera) | Wide-angle lens | - | |
| Lens Aperture (2nd Camera) | F/2.2 | - | |
| Field of View (2nd Camera) | 119 degree(s) | - | |
| Pixel Size (2nd Camera) | 1.12 μm | - | |
| Camera Functions (2nd Camera) | - | Macro camera |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 2 Megapixel | 2 Megapixel | Both phones have the same third camera resolution. |
|---|---|---|---|
| Lens Aperture (3rd Camera) | F/2.4 | - | |
| Pixel Size (3rd Camera) | 1.75 μm | - | |
| Camera Functions (3rd Camera) | - | Depth camera |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | 2 Megapixel | - | |
|---|---|---|---|
| Lens Type (4th Camera) | Bokeh lens | - | |
| Lens Aperture (4th Camera) | F/2.4 | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Front Camera Design | Pop-up | - | |
| Sensor Resolution (Front) | 16 Megapixel | 8 Megapixel | OPPO Reno2 Z has better front camera resolution than Nokia G21. |
| Lens Aperture (Front) | F/2.0 | - | |
| Lens Element Qty (Front) | 5-element | - | |
| Special Effects (Front) | Video bokeh effect | - | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | - |
| BATTERY AND CHARGING | OPPO Reno2 Z | Nokia G21 |
|---|
| Battery Capacity (Battery Size) | 4000 mAh | 5050 mAh | Nokia G21 has larger battery capacity than OPPO Reno2 Z. |
|---|---|---|---|
| Fast Charging Technology | VOOC Flash Charge technology 3.0 | - | OPPO Reno2 Z has fast charging technology. |
| Run Time Details | Gaming: up to 8 hrs Playback (video): up to 13 hrs |
Mixed usage: up to 72 hrs |
| CELLULAR | OPPO Reno2 Z | Nokia G21 |
|---|
| Technology | WCDMA (UMTS) / GSM | - | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | ColorOS 6.1 (based on Android 9) | Android 11 | |
| Intelligent Assistant | - | Google Assistant | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, Galileo |
| COMMUNICATIONS | OPPO Reno2 Z | Nokia G21 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | 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 6, Band 8, Band 19 | Band 1, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 800, 900, 800 | 2100, 850, 900 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 18, Band 19, Band 20, Band 26, Band 28, Band 38, Band 39, 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 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, TDD 2600, TDD 1900, 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 | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | OPPO Reno2 Z | Nokia G21 |
|---|
| Sound Enhancements | Dolby Atmos sound technology, Hi-Res audio | OZO spatial sound recording |
|---|
| FEATURES | OPPO Reno2 Z | Nokia G21 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor | Accelerometer, ambient light sensor, proximity sensor | |
| Security Devices | Fingerprint reader (under display) | Face recognition, fingerprint reader (side) | |
| Security Technology | - | Face Unlock | |
| Additional Phone Features | Fingerprint 3.0, SLA Dual Channel Network 2.0 | Dual microphones, Fast Charging, Google Assistant Button, 3 years of Security Updates, 2 years of OS upgrades, guaranteed upgrade to Android 12 |
| OTHERS | OPPO Reno2 Z | Nokia G21 |
|---|
| Included Accessories | Headset, power adapter, SIM card removal tool, cover, USB-C cable, screen protector (pre-applied) | USB-C cable, screen protector (pre-applied), 10W charger |
|---|
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