Huawei Nova 3i vs. Realme C21

Phone Comparison, Reviews and Tests

In depth comparison and review of Huawei Nova 3i and Realme C21. 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

Huawei Nova 3i vs. Realme C21 Comparison Chart
DESIGN AND DIMENSIONS Huawei Nova 3i Realme C21
Product Type Smartphone Smartphone
Form Factor Touch Touch
Height 157.6 mm 165.2 mm Realme C21 has greater height than Huawei Nova 3i.
Width 75.2 mm 76.4 mm Realme C21 has greater width than Huawei Nova 3i.
Depth 7.6 mm 8.9 mm Huawei Nova 3i is narrower than Huawei Nova 3i.
Weight 169 g 190 g Huawei Nova 3i is lighter than Huawei Nova 3i.
Body Colour Black Cross black | Cross blue
Waterproof (Water-resistant) - -
SAR Value 1.08 W/kg (body), 1.21 W/kg (head) -
Connector Type Micro-USB - 5 pin Micro-USB Type B
Headset jack - mini-phone 3.5mm
Micro-USB
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Dual-SIM Dual-SIM
DISPLAY Huawei Nova 3i Realme C21
Display Type LCD display LCD display
Display Technology IPS LCD
Screen Size (Display Size) 6.3" 6.5" Realme C21 has larger screen size than Huawei Nova 3i.
Screen Resolution (Display Resolution) 2340 x 1080 pixels 1600 x 720 pixels Huawei Nova 3i has better screen resolution than Realme C21.
Display Format Full HD+ HD+
Pixel Density 409 ppi -
Aspect Ratio - 20:9
Max Brightness - 420 cd/m²
Colour Depth 16.7 million colours -
Display Features FullView Display Mini-drop display
PROCESSOR Huawei Nova 3i Realme C21
Processor Type (CPU) Hisilicon Kirin 710 MediaTek Helio G35
Clock Speed 2.2 GHz 2.3 GHz Realme C21 has higher clock speed than Huawei Nova 3i.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes - Huawei Nova 3i has 64-bit architecture.
Graphics System (GPU) - PowerVR GE8320
MEMORY Huawei Nova 3i Realme C21
RAM 4 GB LPDDR4X SDRAM - 3 GB Huawei Nova 3i has more RAM than Realme C21.
Internal Memory Size (Storage Capacity) 128 GB 32 GB Huawei Nova 3i has more internal memory than Realme C21.
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 256 GB microSD
CAMERA Huawei Nova 3i Realme C21
MAIN CAMERA
Number of Main Cameras 2 3
Sensor Resolution 16 Megapixel 13 Megapixel Huawei Nova 3i has better camera resolution than Realme C21.
Lens Aperture F/2.2 F/2.2 Both phones have the same camera lens aperture.
Lens Construction - 5-element
Focus Adjustment Automatic Automatic
Digital Zoom - 4x
Special Effects AR Effects HDR
Camera Modes - Panorama, Time-lapse mode, Slow motion mode, Beauty mode, Expert Mode, Nightscape capture mode, Portrait, Filter mode, Super nightscape
Light Source LED flash LED flash
Video Resolutions - 1920 x 1080 (1080p) at 30 fps
Camera Features (Functions) Phase Detect Auto-Focus (PDAF), Contrast Auto-Focus Phase Detect Auto-Focus (PDAF), AI Triple camera, Chroma boost
SECOND CAMERA
Sensor Resolution (2nd Camera) 2 Megapixel 2 Megapixel Both phones have the same second camera resolution.
Lens Aperture (2nd Camera) - F/2.4
Lens Element Qty (2nd Camera) - 3-element
Camera Functions (2nd Camera) - B&W lens
THIRD CAMERA
Sensor Resolution (3rd Camera) - 2 Megapixel
Lens Aperture (3rd Camera) - F/2.4
Lens Element Qty (3rd Camera) - 3-element
Camera Functions (3rd Camera) - Macro camera
Camera Features (3rd Camera) - 4cm macro photography
FRONT CAMERA
Number of Front Cameras 2 1
Sensor Resolution (Front) 20 Megapixel 5 Megapixel Huawei Nova 3i has better front camera resolution than Realme C21.
Lens Aperture (Front) F/2.0 F/2.2 Huawei Nova 3i has better front lens aperture than Huawei Nova 3i.
Lens Element Qty (Front) - 3-element
Special Effects (Front) - HDR
Camera Modes (Front) - Time-lapse mode, Beauty mode, portrait mode, AI Beauty, Filter mode, Panoramic mode
Face Recognition (Face ID) 3D facial detection Face recognition Both phones have face detection.
SECOND FRONT CAMERA
Sensor Resolution (2nd Front) 2 Megapixel -
BATTERY AND CHARGING Huawei Nova 3i Realme C21
Battery Capacity (Battery Size) 3340 mAh 5000 mAh Realme C21 has larger battery capacity than Huawei Nova 3i.
Battery Technology Lithium polymer -
CELLULAR Huawei Nova 3i Realme C21
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Android 8.0 Oreo Android 10
User Interface HUAWEI Emotion UI 8.2 Realme UI
Navigation GPS, A-GPS, GLONASS GPS, A-GPS, GLONASS, BeiDou
COMMUNICATIONS Huawei Nova 3i Realme C21
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE FDD-LTE, TDD-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 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 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 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500
Wireless Interface IEEE 802.11b/g/n IEEE 802.11b/g/n
Bluetooth Bluetooth 4.2 Bluetooth 5.0
Messaging Services SMS, MMS -
MEDIA Huawei Nova 3i Realme C21
Supported Digital Audio Standards AAC, MP3, FLAC, OGG, MIDI, 3GA, MP4 -
Supported Digital Video Standards MPEG-4, 3GP -
FEATURES Huawei Nova 3i Realme C21
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 Ambient light sensor, proximity sensor, digital compass, gyro sensor, gravity sensor Accelerometer, proximity sensor, magnetometer, light sensor
Security Devices Fingerprint reader Fingerprint reader
Additional Phone Features Face Unlock Super power saving mode, HyperEngine technology, Reverse charging
OTHERS Huawei Nova 3i Realme C21
Included Accessories Headset, screen protection film, USB cable, power adapter, SIM card removal tool, TPU case USB cable, power adapter, SIM card removal tool
Compliant Standards - TUV Rheinland
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