Detailed comparison and review of OPPO Reno4 Z 5G and Nokia XR21. 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 Reno4 Z 5G | Nokia XR21 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | CPH2065 | TA-1486 | |
| Form Factor | Touch | Touch - Rugged | |
| Height | 163.8 mm | 168 mm | Nokia XR21 has greater height than OPPO Reno4 Z 5G. |
| Width | 75.5 mm | 78.58 mm | Nokia XR21 has greater width than OPPO Reno4 Z 5G. |
| Depth | 8.1 mm | 10.45 mm | OPPO Reno4 Z 5G is narrower than OPPO Reno4 Z 5G. |
| Weight | 184 g | 231 g | OPPO Reno4 Z 5G is lighter than OPPO Reno4 Z 5G. |
| Body Colour | Ink black | Dew white | Midnight black | Pine green | |
| Body Material | - | Polycarbonate, thermoplastic polyurethane (TPU) | |
| Protection | - | Dustproof, drop-proof, water-resistant | |
| Waterproof (Water-resistant) | - | Yes | Nokia XR21 is waterproof. |
| IP rating | - | IP68, IP69K, IP69 | |
| SAR Value | 0.905 W/kg (head), 0.88 W/kg (head), 2.686 W/kg (limb) | 1.16 W/kg (body), 1.1 W/kg (head) | |
| Integrated Components | - | LED flashlight | |
| Connector Type | USB Type-C - 24 pin USB-C Headset 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, Electronic SIM card (e-SIM) | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | OPPO Reno4 Z 5G | Nokia XR21 |
|---|
| Display Type | LCD display | - | |
|---|---|---|---|
| Display Technology | LTPS | - | |
| Screen Size (Display Size) | 6.57" | 6.49" | OPPO Reno4 Z 5G has larger screen size than Nokia XR21. |
| Screen Resolution (Display Resolution) | 2400 x 1080 pixels | 2400 x 1080 pixels | Both phones have the same screen resolution. |
| Display Format | Full HD+ | Full HD+ | |
| Pixel Density | 401 ppi | - | |
| Aspect Ratio | - | 20:9 | |
| Max Brightness | 480 cd/m² | 550 cd/m² | Nokia XR21 has better display brightness than OPPO Reno4 Z 5G. |
| Colour Depth | 16.7 million colours | - | |
| Contrast Ratio | 1500:1 | - | |
| Display Refresh Rate | 120 Hz | 120 Hz | Both phones have the same refresh rate. |
| Touch Sampling Rate | 120 Hz | - | |
| Display Features | Dark mode | Glove & Wet Touch, 82% NTSC | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 3 (scratch resistant glass) | Corning Gorilla Glass Victus (scratch resistant glass) |
| PROCESSOR | OPPO Reno4 Z 5G | Nokia XR21 |
|---|
| Processor Type (CPU) | MediaTek Dimensity 800 5G | Qualcomm Snapdragon 695 5G | |
|---|---|---|---|
| Processor Number | MT6873V | SM6375 | |
| Clock Speed | 2 GHz | 2.2 GHz | Nokia XR21 has higher clock speed than OPPO Reno4 Z 5G. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| Graphics System (GPU) | Mali-G57 MC4 | Qualcomm ADRENO 619 |
| MEMORY | OPPO Reno4 Z 5G | Nokia XR21 |
|---|
| RAM | LPDDR4X SDRAM - 8 GB | 6 GB | OPPO Reno4 Z 5G has more RAM than Nokia XR21. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 128 GB | Both phones have the same internal memory capacity. |
| Memory Interface | UFS 2.1 | - |
| CAMERA | OPPO Reno4 Z 5G | Nokia XR21 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 2 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 64 Megapixel | Nokia XR21 has better camera resolution than OPPO Reno4 Z 5G. |
| Sensor Size | 1/2" | - | |
| Lens Aperture | F/1.7 | - | |
| Lens Construction | 6-element | - | |
| Pixel Size | 0.8 μm | - | |
| Focus Adjustment | Automatic | Automatic | |
| Minimum Focal Length (Focal Distance) | 25 mm | - | |
| Special Effects | Live HDR, Bokeh effect, Stickers | - | |
| Camera Modes | Panorama, Time-lapse mode, Slow motion mode, Expert Mode, Portrait, Night, Dazzle Colour Mode, Ultra dark mode | AI Portait, Night Mode 2.0, SpeedWarp camera mode, Action Cam mode, flash shot mode | |
| Light Source | LED flash | Dual LED flash | |
| Still Image Resolutions | 8000 x 6000 | - | |
| 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) | Phase Detect Auto-Focus (PDAF), EIS video stabilisation, Ultra Steady Video, contrast detection auto-focus (CDAF), 4-in-1 pixel binning | Corning Gorilla Glass DX+ (protective lens glass), UW Capture fusion |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 8 Megapixel | 8 Megapixel | Both phones have the same second camera resolution. |
|---|---|---|---|
| Lens Type (2nd Camera) | Ultra wide-angle lens | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.2 | - | |
| Lens Element Qty (2nd Camera) | 5-element | - | |
| Field of View (2nd Camera) | 119 degree(s) | - | |
| Pixel Size (2nd Camera) | 1.12 μm | - | |
| Minimum Focal Length (2nd Camera) | 16 mm | - | |
| Camera Features (2nd Camera) | 5-piece lens | - |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 2 Megapixel | - | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | F/2.4 | - | |
| Lens Element Qty (3rd Camera) | 3-element | - | |
| Pixel Size (3rd Camera) | 1.75 μm | - |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | 2 Megapixel | - | |
|---|---|---|---|
| Lens Aperture (4th Camera) | F/2.4 | - | |
| Lens Element Qty (4th Camera) | 3-element | - | |
| Pixel Size (4th Camera) | 1.75 μm | - | |
| Camera Functions (4th Camera) | Monochrome | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 2 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 16 Megapixel | 16 Megapixel | Both phones have the same front camera resolution. |
| Lens Aperture (Front) | F/2.0 | - | |
| Pixel Size (Front) | 1 μm | - | |
| Special Effects (Front) | HDR | - | |
| Camera Modes (Front) | Panorama, Time-lapse mode, Slow motion mode, night mode, Expert Mode, Portrait | - | |
| Light Source (Front) | Display flash | - | |
| Still Image Resolutions (Front) | 4608 x 3456 | - | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | - | |
| Camera Features (Front) | 5P lens | - |
| SECOND FRONT CAMERA |
|---|
| Sensor Resolution (2nd Front) | 2 Megapixel | - | |
|---|---|---|---|
| Lens Aperture (2nd Front) | F/2.4 | - | |
| Pixel Size (2nd Front) | 1.75 μm | - | |
| Camera Functions (2nd Front) | 3D depth camera | - | |
| Camera Features (2nd Front) | 3-piece lens | - |
| BATTERY AND CHARGING | OPPO Reno4 Z 5G | Nokia XR21 |
|---|
| Battery Capacity (Battery Size) | 4000 mAh | 4800 mAh | Nokia XR21 has larger battery capacity than OPPO Reno4 Z 5G. |
|---|---|---|---|
| Fast Charging Technology | - | Qualcomm Quick Charge 3.0, Power Delivery 2.0 | Nokia XR21 has fast charging technology. |
| Recharge Time (Charging Time) | 116 min | - | |
| Run Time Details | - | Mixed usage: up to 48 hrs | |
| Battery Technology | Lithium Ion | - |
| CELLULAR | OPPO Reno4 Z 5G | Nokia XR21 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 5G | 5G | Both phones have the same mobile network generation. |
| Operating System | ColorOS 7.1 (based on Android 10) | Android 12 | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS, NavIC, A-GLONASS |
| COMMUNICATIONS | OPPO Reno4 Z 5G | Nokia XR21 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE, 5G NR FR1 | LTE, 5G NR | |
|---|---|---|---|
| 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 2, Band 4, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 800, 900, 800 | 2100, 1900, 1700, 850, 900 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 18, Band 19, Band 20, Band 26, Band 28, Band 38, Band 39, Band 40, Band 41, Band 66 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 20, Band 25, Band 26, Band 28, Band 32, Band 38, Band 39, Band 40, Band 41, Band 42, Band 43, Band 48, Band 66, Band 71 | |
| 4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700b, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 3500, TDD 3700, TDD 3600, FDD 1700 - 2110 AWS-3, FDD 600 | |
| 5G NR Band | N1, n3, n5, n7, n8, n20, n28, n38, n41, n77, n78, n79, n40 | N1, n2, n3, n5, n7, n20, n28, n41, n66, n71, n77, n78, n79, n40, n25 | |
| 5G NR Frequency | FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, TDD TD 3700, TDD TD 3500, TDD TD 4500, TDD 2300 | FDD 2100, FDD 1900PCS, FDD 1800, FDD 850, FDD 2600, FDD 800, FDD 700APT, TDD TD 2500, FDD AWS-3, FDD 600, TDD TD 3700, TDD TD 3500, TDD TD 4500, TDD 2300, FDD 1900 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac/ax | |
| Bluetooth | Bluetooth 5.1 | Bluetooth 5.1 | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Modem | - | Snapdragon X51 5G |
| MEDIA | OPPO Reno4 Z 5G | Nokia XR21 |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, AMR, MP3, FLAC, OGG, APE (Monkey's Audio), apt-X, LDAC, MID, SBC, apt-X HD | - | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, WMV, ASF, 3GP, H.264, H.265, MP4 | - | |
| Sound Enhancements | Hi-Res audio certified, Dirac 2.0 sound effect | OZO Playback technology, OZO spatial sound recording with wind noise reduction, audio boost mode |
| FEATURES | OPPO Reno4 Z 5G | Nokia XR21 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, geomagnetic sensor, gravity sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, barometer, gyroscope | |
| Security Devices | Face recognition, fingerprint reader (side) | Face recognition, fingerprint reader (side) | |
| Security Technology | - | Face Unlock | |
| Additional Phone Features | Multitasking, Fast Charging, OPPO Relax | Dual microphones, 4 years of Security Updates, dual stereo speakers, 3 years of OS updates, SOS light signal function |
| OTHERS | OPPO Reno4 Z 5G | Nokia XR21 |
|---|
| Included Accessories | Headphones, power adapter, SIM card removal tool, USB-C cable, protective case | SIM card removal tool, USB-C cable | |
|---|---|---|---|
| Compliant Standards | TUV Rheinland Low Blue Light Certification | IP68, IP69K, MIL-STD-810H | |
| Product Recycled Content | - | 100 % - aluminium inner chassis | |
| Max Height of Shock Resistance | - | 1.8 m |
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