OPPO Reno Z vs. Vivo V21 5G

Phone Comparison, Reviews and Tests

In depth comparison and review of OPPO Reno Z 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.

Phone Specifications Comparison

OPPO Reno Z vs. Vivo V21 5G Comparison Chart
DESIGN AND DIMENSIONS OPPO Reno Z Vivo V21 5G
Product Type Smartphone Smartphone
Manufacturer Model Number CPH1979 V2050
Form Factor Touch Touch
Height 157.3 mm 159.68 mm Vivo V21 5G has greater height than OPPO Reno Z.
Width 74.9 mm 73.9 mm OPPO Reno Z has greater width than Vivo V21 5G.
Depth 9.1 mm 7.29 mm Vivo V21 5G is narrower than OPPO Reno Z.
Weight 186 g 176 g Vivo V21 5G is lighter than OPPO Reno Z.
Body Colour Jet black | Aurora purple Dusk blue | Sunset dazzle
Body Material 3D glass Matte glass
Waterproof (Water-resistant) - -
IP rating - IP52
SAR Value 0.932 W/kg (head), 3.99 W/kg (limb), 1.175 W/kg (body) 1.09 W/kg (body), 3.19 W/kg (limb), 0.91 W/kg (head)
Connector Type USB Type-C
Headset jack - mini-phone 3.5mm
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 Reno Z Vivo V21 5G
Display Type OLED display OLED display
Display Technology AMOLED AMOLED
Screen Size (Display Size) 6.4" 6.44" Vivo V21 5G has larger screen size than OPPO Reno Z.
Screen Resolution (Display Resolution) 2340 x 1080 pixels 2404 x 1080 pixels Vivo V21 5G has better screen resolution than OPPO Reno Z.
Display Format - Full HD+
Pixel Density 402 ppi -
Aspect Ratio - 20:9
Max Brightness - 800 cd/m²
Colour Depth 16.7 million colours -
Contrast Ratio - 6000000:1
HDR - Yes Vivo V21 5G has HDR.
HDR Technology - HDR10+
Display Enhancement Technology OnCell technology -
Display Refresh Rate - 90 Hz
Display Protection (Screen Protector) Corning Gorilla Glass 5 (scratch resistant glass) -
PROCESSOR OPPO Reno Z Vivo V21 5G
Processor Type (CPU) MediaTek Helio P90 MediaTek Dimensity 800U
Clock Speed - 2.4 GHz
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes - OPPO Reno Z has 64-bit architecture.
Graphics System (GPU) 9XM-HP8 -
MEMORY OPPO Reno Z Vivo V21 5G
RAM 4 GB 8 GB Vivo V21 5G has more RAM than OPPO Reno Z.
Internal Memory Size (Storage Capacity) 128 GB 128 GB Both phones have the same internal memory capacity.
Memory Interface - UFS 2.2
Supported Flash Memory Cards (Expandable Memory) - microSDHC, microSD, microSDXC - up to 1 TB
CAMERA OPPO Reno Z Vivo V21 5G
MAIN CAMERA
Number of Main Cameras 2 3
Sensor Resolution 48 Megapixel 64 Megapixel Vivo V21 5G has better camera resolution than OPPO Reno Z.
Sensor Size 1/2" -
Sensor Name Sony Exmor RS IMX586 sensor -
Lens Aperture F/1.7 F/1.79 OPPO Reno Z has better lens aperture than OPPO Reno Z.
Optical Image Stabiliser (OIS) - 4-axis OIS (Optical Image Stabilisation) Vivo V21 5G has optical stabilisation.
Focus Adjustment Automatic Automatic
Digital Zoom - 10x
Special Effects HDR Bokeh effect
Camera Modes Time-lapse mode, Slow motion mode, Expert Mode, Backlit, Portrait, Pano mode, Dazzle Colour Mode, Ultra Night Mode 2.0 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
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) Noise reduction, EIS video stabilisation, 4-in-1 resolution focus technology Eye Autofocus
SECOND CAMERA
Sensor Resolution (2nd Camera) 5 Megapixel 8 Megapixel Vivo V21 5G has better second camera resolution than OPPO Reno Z.
Lens Type (2nd Camera) - Wide-angle lens
Lens Aperture (2nd Camera) F/2.4 F/2.2 Vivo V21 5G has better second camera lens aperture than OPPO Reno Z.
Field of View (2nd Camera) - 120 degree(s)
THIRD CAMERA
Sensor Resolution (3rd Camera) - 2 Megapixel
Lens Aperture (3rd Camera) - F/2.4
Camera Functions (3rd Camera) - 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 Reno Z.
Lens Aperture (Front) F/2.0 F/2.0 Both phones have the same front camera lens aperture.
Special Effects (Front) - HDR
Camera Modes (Front) - 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
Video Resolutions (Front) - 3840 x 2160 (4K)
Camera Features (Front) - Optical Image Stabilisation (OIS), 2 x digital zoom, Eye Autofocus
BATTERY AND CHARGING OPPO Reno Z Vivo V21 5G
Battery Capacity (Battery Size) 4035 mAh 4000 mAh OPPO Reno Z has larger battery capacity than Vivo V21 5G.
Fast Charging Technology VOOC Flash Charge technology 3.0 - OPPO Reno Z has fast charging technology.
CELLULAR OPPO Reno Z Vivo V21 5G
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 5G Vivo V21 5G has more advanced generation mobile network.
Operating System ColorOS 6 (based on Android 9) Funtouch OS 11.1 (based on Android 11)
Navigation GPS, A-GPS, GLONASS, BeiDou, Galileo GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS OPPO Reno Z Vivo V21 5G
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE 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 18, Band 19, Band 20, Band 26, Band 28, Band 38, Band 39, Band 40, Band 41 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 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, TDD 2600, TDD 1900, TDD 2300, TDD 2500 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, n7, n8, n28, n41, n78, n40
5G NR Frequency - FDD 2100, FDD 1800, FDD 2600, FDD 900, FDD 700APT, TDD TD 2500, TDD TD 3500, TDD 2300
Wireless Interface Wi-Fi Wi-Fi
Bluetooth Bluetooth 5.0 Bluetooth 5.1
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS -
MEDIA OPPO Reno Z Vivo V21 5G
Supported Digital Audio Standards - WAV, MPEG 2 Audio, MP3, FLAC, MIDI, APE (Monkey's Audio), Vorbis
Supported Digital Video Standards - MKV, FLV, 3GP, MP4
Sound Enhancements Dolby Atmos Surround Sound -
FEATURES OPPO Reno Z 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, gyro sensor, geomagnetic sensor Accelerometer, ambient light sensor, proximity sensor, digital compass, gyroscope
Security Devices Fingerprint reader (under display) Fingerprint reader (under display)
Additional Phone Features Protective O-Dot, Game Boost 2.0 Fast Charging, 3 GB of external memory space for RAM
OTHERS OPPO Reno Z Vivo V21 5G
Included Accessories Headphones, power adapter, SIM card removal tool, cover, USB-C cable Headset, headset adapter, SIM card removal tool, pre-installed screen protection film, USB-C cable, protective case
Compliant Standards TUV Rheinland IP52
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