In depth comparison and review of Huawei P40 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.
| DESIGN AND DIMENSIONS | Huawei P40 | Realme C21 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 148.9 mm | 165.2 mm | Realme C21 has greater height than Huawei P40. |
| Width | 71.06 mm | 76.4 mm | Realme C21 has greater width than Huawei P40. |
| Depth | 8.5 mm | 8.9 mm | Huawei P40 is narrower than Huawei P40. |
| Weight | 175 g | 190 g | Huawei P40 is lighter than Huawei P40. |
| Body Colour | Silver frost | Black | Cross black | Cross blue | |
| Protection | Dustproof, splashproof, waterproof | - | |
| Waterproof (Water-resistant) | Yes | - | Huawei P40 is waterproof. |
| IP rating | IEC 60529 IP53 | - | |
| Repairability Index | 7.9 (out of 10) | - | |
| SAR Value | 1.29 W/kg (body), 3.19 W/kg (limb), 0.49 W/kg (head) | - | |
| Connector Type | USB Type-C - 24 pin USB-C | Micro-USB Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM, Electronic SIM card (e-SIM) | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | Nano SIM + nano SIM/NM card | - |
| DISPLAY | Huawei P40 | Realme C21 |
|---|
| Display Type | OLED display | LCD display | |
|---|---|---|---|
| Display Technology | - | LCD | |
| Screen Size (Display Size) | 6.1" | 6.5" | Realme C21 has larger screen size than Huawei P40. |
| Screen Resolution (Display Resolution) | 2340 x 1080 pixels | 1600 x 720 pixels | Huawei P40 has better screen resolution than Realme C21. |
| Display Format | Full HD+ | HD+ | |
| Pixel Density | 422 ppi | - | |
| Aspect Ratio | - | 20:9 | |
| Max Brightness | - | 420 cd/m² | |
| Colour Depth | 16.7 million colours | - | |
| Display Features | - | Mini-drop display |
| PROCESSOR | Huawei P40 | Realme C21 |
|---|
| Processor Type (CPU) | Hisilicon Kirin 990 5G | MediaTek Helio G35 | |
|---|---|---|---|
| Clock Speed | 2.86 GHz | 2.3 GHz | Huawei P40 has higher clock speed than Realme C21. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | Huawei P40 has 64-bit architecture. |
| Graphics System (GPU) | Mali-G76 MC16 | PowerVR GE8320 |
| MEMORY | Huawei P40 | Realme C21 |
|---|
| RAM | 8 GB | LPDDR4X SDRAM - 3 GB | Huawei P40 has more RAM than Realme C21. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 32 GB | Huawei P40 has more internal memory than Realme C21. |
| Supported Flash Memory Cards (Expandable Memory) | NM card - up to 256 GB | microSD |
| CAMERA | Huawei P40 | Realme C21 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 3 | 3 | |
|---|---|---|---|
| Sensor Resolution | 50 Megapixel | 13 Megapixel | Huawei P40 has better camera resolution than Realme C21. |
| Sensor Size | 1/1.28" | - | |
| Sensor Name | Huawei Ultra Vision sensor | - | |
| Lens Aperture | F/1.9 | F/2.2 | Huawei P40 has better lens aperture than Huawei P40. |
| Lens Construction | - | 5-element | |
| Pixel Size | 2.44 μm | - | |
| Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | - | Huawei P40 has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | - | 4x | |
| Special 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 light | LED flash | |
| Still Image Resolutions | 8192 x 6144 | - | |
| Video Resolutions | 3840 x 2160 (4K) at 60 fps | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Functions) | Hybrid Zoom, Leica Triple Camera, Huawei AI Image Stabilization (AIS), RYYB colour filter array, Octa PD Focus, 4-in-1 pixel binning, AI Portrait Studio, AI AWB Algorithm, AI motion algorithm, Gallery Edit, HUAWEI Golden Snap, AI Remove Reflection, AI Remove Passersby, AI Best Moment, HUAWEI XD Fusion Engine | Phase Detect Auto-Focus (PDAF), AI Triple camera, Chroma boost |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 16 Megapixel | 2 Megapixel | Huawei P40 has better second camera resolution than Realme C21. |
|---|---|---|---|
| Lens Type (2nd Camera) | Ultra wide-angle lens | - | |
| Lens Aperture (2nd Camera) | F/2.2 | F/2.4 | Huawei P40 has better second camera lens aperture than Huawei P40. |
| Lens Element Qty (2nd Camera) | - | 3-element | |
| Camera Functions (2nd Camera) | - | B&W lens | |
| Camera Features (2nd Camera) | 2.5cm macro photography | - |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 8 Megapixel | 2 Megapixel | Huawei P40 has higher resolution third camera than Realme C21. |
|---|---|---|---|
| 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) | - | 3-element | |
| Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | - | Huawei P40 has optical stabilisation of the third camera. |
| Optical Zoom | 3x | - | |
| Hybrid Zoom | 5x | - | |
| Camera Functions (3rd Camera) | - | Macro camera | |
| Camera Features (3rd Camera) | 30X Max Zoom | 4cm macro photography |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 2 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 32 Megapixel | 5 Megapixel | Huawei P40 has better front camera resolution than Realme C21. |
| Lens Aperture (Front) | F/2.0 | F/2.2 | Huawei P40 has better front lens aperture than Huawei P40. |
| 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) | Face recognition | Face recognition | Both phones have face detection. |
| Still Image Resolutions (Front) | 6528 x 4896 | - | |
| Video Resolutions (Front) | 3840 x 2160 (4K) at 60 fps | - |
| SECOND FRONT CAMERA |
|---|
| Camera Functions (2nd Front) | IR camera | - |
|---|
| BATTERY AND CHARGING | Huawei P40 | Realme C21 |
|---|
| Battery Capacity (Battery Size) | 3800 mAh | 5000 mAh | Realme C21 has larger battery capacity than Huawei P40. |
|---|---|---|---|
| Fast Charging Technology | HUAWEI SuperCharge technology, Wireless HUAWEI SuperCharge | - | Huawei P40 has fast charging technology. |
| Recharge Time (Charging Time) | 1.5 hour(s) | - | |
| Wireless Charging | Yes | - | Huawei P40 can be charged wirelessly. |
| CELLULAR | Huawei P40 | Realme C21 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 5G | 4G | Huawei P40 has more advanced generation mobile network. |
| Operating System | Android 10 | Android 10 | |
| User Interface | EMUI 10.1 | Realme UI | |
| Intelligent Assistant | Celia | - | |
| Payment Technology | Google Pay | - | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS, NavIC | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | Huawei P40 | Realme C21 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE, 5G NR FR1 | 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 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 6, Band 7, Band 8, Band 9, Band 12, Band 17, Band 18, Band 19, Band 20, Band 26, Band 28, Band 32, Band 34, 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 850, FDD 2600, FDD 900, FDD 1800, FDD 700a, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2000, 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 | |
| 5G NR Band | N1, n3, n28, n38, n41, n77, n78, n79 | - | |
| 5G NR Frequency | FDD 2100, FDD 1800, FDD 700APT, TDD TD 2600, TDD TD 2500, TDD TD 3700, TDD TD 3500, TDD TD 4500 | - | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, IEEE 802.11a/b/g/n/ac/ax | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 5.1 LE | Bluetooth 5.0 | |
| NFC | Yes | - | Huawei P40 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Huawei P40 | Realme C21 |
|---|
| Supported Digital Audio Standards | WAV, AAC, AMR, MP3, FLAC, OGG, MIDI, LDAC, MP4, SBC, 3GP | - | |
|---|---|---|---|
| Supported Digital Video Standards | MPEG-4, 3GP | - |
| FEATURES | Huawei P40 | 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, hall sensor, gesture, gravity sensor, laser sensor, colour temperature sensor | Accelerometer, proximity sensor, magnetometer, light sensor | |
| Security Devices | Fingerprint reader (under display), face recognition | Fingerprint reader | |
| Additional Phone Features | Multitasking, Face Unlock, MIMO technology, MU-MIMO technology, Huawei Share, Tiny-Core NPU (Neural Network Processing Unit), Dual Big Core, HUAWEI XD Fusion Engine, HUAWEI Golden Snap, HUAWEI MeeTime | Super power saving mode, HyperEngine technology, Reverse charging |
| OTHERS | Huawei P40 | Realme C21 |
|---|
| Included Accessories | Power adapter, SIM card removal tool, USB-C cable, USB-C headphones | USB cable, power adapter, SIM card removal tool | |
|---|---|---|---|
| Compliant Standards | IEC 60529 IP53 | TUV Rheinland | |
| Max Depth of Water Resistance | 1.5 m | - |
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