In depth comparison and review of OPPO Reno4 Pro 5G and Vivo V21 5G. 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 Reno4 Pro 5G | Vivo V21 5G |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | CPH2089 | V2050 | |
| Form Factor | Touch | Touch | |
| Height | 159.6 mm | 159.68 mm | Vivo V21 5G has greater height than OPPO Reno4 Pro 5G. |
| Width | 72.5 mm | 73.9 mm | Vivo V21 5G has greater width than OPPO Reno4 Pro 5G. |
| Depth | 7.6 mm | 7.29 mm | Vivo V21 5G is narrower than OPPO Reno4 Pro 5G. |
| Weight | 172 g | 176 g | OPPO Reno4 Pro 5G is lighter than OPPO Reno4 Pro 5G. |
| Body Colour | Space black | Dusk blue | Sunset dazzle | |
| Body Material | - | Matte glass | |
| Waterproof (Water-resistant) | - | - | |
| IP rating | - | IP52 | |
| SAR Value | 1.318 W/kg (body), 0.892 W/kg (head), 2.707 W/kg (limb) | 1.09 W/kg (body), 3.19 W/kg (limb), 0.91 W/kg (head) | |
| Connector Type | USB Type-C - 24 pin USB-C | USB Type-C - 24 pin USB-C | |
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | - | Nano SIM + nano SIM/microSD |
| DISPLAY | OPPO Reno4 Pro 5G | Vivo V21 5G |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | AMOLED | AMOLED | |
| Screen Size (Display Size) | 6.5" | 6.44" | OPPO Reno4 Pro 5G has larger screen size than Vivo V21 5G. |
| Screen Resolution (Display Resolution) | 2400 x 1080 pixels | 2404 x 1080 pixels | Vivo V21 5G has better screen resolution than OPPO Reno4 Pro 5G. |
| Display Format | Full HD+ | Full HD+ | |
| Pixel Density | 402 ppi | - | |
| Aspect Ratio | - | 20:9 | |
| Max Brightness | 1100 cd/m² | 800 cd/m² | OPPO Reno4 Pro 5G has better display brightness than Vivo V21 5G. |
| Colour Depth | 16.7 million colours | - | |
| Contrast Ratio | 5000000:1 | 6000000:1 | Vivo V21 5G has better display contrast ratio than OPPO Reno4 Pro 5G. |
| HDR | Yes | Yes | Both phones have HDR. |
| HDR Technology | HDR10+ | HDR10+ | |
| Display Refresh Rate | - | 90 Hz | |
| Display Features | DCI-P3 Wide colour gamut, Dark mode, 180Hz sampling rate, 90Hz 3D Curved Screen | - | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 5 (scratch resistant glass) | - |
| PROCESSOR | OPPO Reno4 Pro 5G | Vivo V21 5G |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 765G | MediaTek Dimensity 800U | |
|---|---|---|---|
| Clock Speed | 2.4 GHz | 2.4 GHz | Both phones have the same clock speed. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| Graphics System (GPU) | Qualcomm ADRENO 620 | - |
| MEMORY | OPPO Reno4 Pro 5G | Vivo V21 5G |
|---|
| RAM | LPDDR4X SDRAM - 12 GB | 8 GB | OPPO Reno4 Pro 5G has more RAM than Vivo V21 5G. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 256 GB | 128 GB | OPPO Reno4 Pro 5G has more internal memory than Vivo V21 5G. |
| Memory Interface | UFS 2.1 | UFS 2.2 | |
| Supported Flash Memory Cards (Expandable Memory) | - | microSDHC, microSD, microSDXC - up to 1 TB |
| CAMERA | OPPO Reno4 Pro 5G | Vivo V21 5G |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 3 | 3 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 64 Megapixel | Vivo V21 5G has better camera resolution than OPPO Reno4 Pro 5G. |
| Sensor Size | 1/2" | - | |
| Sensor Name | Sony Exmor RS IMX586 sensor | - | |
| Lens Aperture | F/1.7 | F/1.79 | OPPO Reno4 Pro 5G has better lens aperture than OPPO Reno4 Pro 5G. |
| Lens Construction | 6-element | - | |
| Pixel Size | 0.8 μm | - | |
| Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | 4-axis OIS (Optical Image Stabilisation) | Both phones have optical image stabilization. |
| Focus Adjustment | Automatic | Automatic | |
| Laser Auto Focus | Yes | - | |
| Minimum Focal Length (Focal Distance) | 26 mm | - | |
| Optical Zoom | 2x | - | |
| Digital Zoom | 20x | 10x | OPPO Reno4 Pro 5G has better digital zoom than Vivo V21 5G. |
| Special Effects | HDR, Stickers | Bokeh effect | |
| Camera Modes | Panorama, Time-lapse mode, night mode, Expert Mode, Bokeh Mode, AI Beautify | Beauty mode, Night, Filter mode, Portrait video, Dual video mode, ultra stable video, kid's face beauty, double exposure | |
| Light Source | LED flash | LED flash | |
| Still Image Resolutions | 8000 x 6000 | - | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, 1280 x 720 (720p) at 60 fps | 3840 x 2160 (4K), 1920 x 1080 (1080p) at 120 fps, 1280 x 720 (720p) at 120 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), Electronic Image Stabiliser (EIS), 5x Hybrid Zoom, 4-in-1 Pixel technology, contrast detection auto-focus (CDAF), laser detection auto focus (LDAF), Ultra Steady Video 3.0 | Eye Autofocus |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 12 Megapixel | 8 Megapixel | OPPO Reno4 Pro 5G has better second camera resolution than Vivo V21 5G. |
|---|---|---|---|
| Sensor Size (2nd Camera) | 1/2.43" | - | |
| Sensor Name (2nd Camera) | Sony Exmor RX IMX708 sensor | - | |
| Lens Type (2nd Camera) | Ultra wide-angle lens | Wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.2 | F/2.2 | Both phones have the same second camera lens aperture. |
| Field of View (2nd Camera) | 120 degree(s) | 120 degree(s) | Both phones have the same second camera lens field of view. |
| Pixel Size (2nd Camera) | 1.4 μm | - | |
| Minimum Focal Length (2nd Camera) | 16 mm | - | |
| Camera Functions (2nd Camera) | Autofocus | - | |
| Camera Modes (2nd Camera) | Ultra Night Mode | - | |
| Camera Features (2nd Camera) | 6P lens, 3cm macro shooting | - |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 13 Megapixel | 2 Megapixel | OPPO Reno4 Pro 5G has higher resolution third camera than Vivo V21 5G. |
|---|---|---|---|
| Lens Type (3rd Camera) | Telephoto lens | - | |
| Lens Aperture (3rd Camera) | F/2.4 | F/2.4 | Both phones have the same lens aperture of the third camera. |
| Lens Element Qty (3rd Camera) | 5-element | - | |
| Pixel Size (3rd Camera) | 1 μm | - | |
| Minimum Focal Length (3rd Camera) | 52 mm | - | |
| Camera Functions (3rd Camera) | Autofocus | Super macro camera | |
| Camera Features (3rd Camera) | - | 4cm macro photography |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 32 Megapixel | 44 Megapixels | Vivo V21 5G has better front camera resolution than OPPO Reno4 Pro 5G. |
| Lens Aperture (Front) | F/2.4 | F/2.0 | Vivo V21 5G has better front lens aperture than OPPO Reno4 Pro 5G. |
| Lens Element Qty (Front) | 5-element | - | |
| Special Effects (Front) | - | HDR | |
| Camera Modes (Front) | Panorama, Time-lapse mode, Slow motion mode, night mode, Expert Mode, AI Beauty, Portrait | Beauty mode, Night, Filter mode, Dual video mode, ultra stable video, kid's face beauty, double exposure, AI night portrait | |
| Light Source (Front) | - | Dual LED flash | |
| Still Image Resolutions (Front) | 6560 x 4928 | - | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | 3840 x 2160 (4K) | |
| Camera Features (Front) | - | Optical Image Stabilisation (OIS), 2 x digital zoom, Eye Autofocus |
| BATTERY AND CHARGING | OPPO Reno4 Pro 5G | Vivo V21 5G |
|---|
| Battery Capacity (Battery Size) | 4000 mAh | 4000 mAh | Both phones have the same battery capacity. |
|---|---|---|---|
| Fast Charging Technology | SuperVOOC 2.0 Flash Charge | - | OPPO Reno4 Pro 5G has fast charging technology. |
| Recharge Time (Charging Time) | 36 min | - | |
| Standby Time | 425 hours | - | |
| Talk Time | 1440 minutes | - | |
| Run Time Details | Standby: up to 425 hrs Talk: up to 1440 min Playback (audio (w/headset)): up to 81 hrs Playback (audio (via speakers)): up to 27 hrs Playback (video): up to 18 hrs |
- |
| CELLULAR | OPPO Reno4 Pro 5G | Vivo V21 5G |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 5G | 5G | Both phones have the same mobile network generation. |
| Operating System | ColorOS 7.2 (based on Android 10) | Funtouch OS 11.1 (based on Android 11) | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | OPPO Reno4 Pro 5G | Vivo V21 5G |
|---|
| Data Transmission | FDD-LTE, TDD-LTE, 5G NR FR1 | FDD-LTE, TDD-LTE, 5G NR FR1 | |
|---|---|---|---|
| 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 32, Band 38, Band 39, Band 40, Band 41, Band 42, Band 66 | 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 32, Band 38, Band 39, Band 40, Band 41, Band 66 | |
| 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, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 3500, 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 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | |
| 5G NR Band | N1, n3, n5, n7, n8, n20, n28, n38, n41, n77, n78, n40 | N1, n3, n7, n8, n28, n41, n78, n40 | |
| 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 2300 | FDD 2100, FDD 1800, FDD 2600, FDD 900, FDD 700APT, TDD TD 2500, TDD TD 3500, TDD 2300 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | Wi-Fi | |
| Bluetooth | Bluetooth 5.1 | Bluetooth 5.1 | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| MEDIA | OPPO Reno4 Pro 5G | Vivo V21 5G |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, AMR, MP3, FLAC, OGG, APE (Monkey's Audio), apt-X, LDAC, MID, SBC, apt-X HD, APTX-TWS+ | WAV, MPEG 2 Audio, MP3, FLAC, MIDI, APE (Monkey's Audio), Vorbis | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, MOV, WMV, ASF, 3GP, MP4 | MKV, FLV, 3GP, MP4 | |
| Sound Enhancements | Dolby Atmos sound technology | - |
| FEATURES | OPPO Reno4 Pro 5G | Vivo V21 5G |
|---|
| 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, ambient light sensor, proximity sensor, pedometer, gyro sensor, geomagnetic sensor, gravity sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyroscope | |
| Security Devices | Fingerprint reader (under display) | Fingerprint reader (under display) | |
| Additional Phone Features | MU-MIMO technology | Fast Charging, 3 GB of external memory space for RAM |
| OTHERS | OPPO Reno4 Pro 5G | Vivo V21 5G |
|---|
| Included Accessories | Headphones, power adapter, SIM card removal tool, USB-C cable, protective case | Headset, headset adapter, SIM card removal tool, pre-installed screen protection film, USB-C cable, protective case | |
|---|---|---|---|
| Compliant Standards | - | IP52 |
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