Detailed comparison and review of Samsung Galaxy A51 and Huawei P40 Pro. 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 | Samsung Galaxy A51 | Huawei P40 Pro |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-A515F/DSN | - | |
| Form Factor | Touch | Touch | |
| Height | 158.5 mm | 158.2 mm | Samsung Galaxy A51 has greater height than Huawei P40 Pro. |
| Width | 73.6 mm | 72.6 mm | Samsung Galaxy A51 has greater width than Huawei P40 Pro. |
| Depth | 7.9 mm | 8.95 mm | Samsung Galaxy A51 is narrower than Samsung Galaxy A51. |
| Weight | 172 g | 209 g | Samsung Galaxy A51 is lighter than Samsung Galaxy A51. |
| Body Colour | Silver | Prism crush black | Haze crush silver | Prism crush blue | Prism crush white | Black | Silver frost | |
| Protection | - | Dustproof, splashproof, waterproof | |
| Waterproof (Water-resistant) | - | Yes | Huawei P40 Pro is waterproof. |
| IP rating | - | IEC 60529 IP68 | |
| Repairability Index | - | 8.1 (out of 10) | |
| SAR Value | 0.369 W/kg (head), 1.59 W/kg (body), 2.93 W/kg (limb) | 0.99 W/kg (body), 2.99 W/kg (limb), 0.48 W/kg (head) | |
| Connector Type | USB Type-C - 24 pin USB-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/NM card |
| DISPLAY | Samsung Galaxy A51 | Huawei P40 Pro |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | Super AMOLED | - | |
| Screen Size (Display Size) | 6.5" | 6.58" | Huawei P40 Pro has larger screen size than Samsung Galaxy A51. |
| Screen Resolution (Display Resolution) | 2400 x 1080 pixels | 2640 x 1200 pixels | Huawei P40 Pro has better screen resolution than Samsung Galaxy A51. |
| Display Format | Full HD+ | Full HD+ | |
| Pixel Density | 408 ppi | 441 ppi | Huawei P40 Pro has better pixel density than Samsung Galaxy A51. |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Display Refresh Rate | - | 90 Hz | |
| Display Features | Edge-to-Edge screen, Infinity O display | Quad-Curve Overflow display |
| PROCESSOR | Samsung Galaxy A51 | Huawei P40 Pro |
|---|
| Processor Type (CPU) | Samsung Exynos 9611 | Hisilicon Kirin 990 | |
|---|---|---|---|
| Clock Speed | 2.3 GHz | 2.86 GHz | Huawei P40 Pro has higher clock speed than Samsung Galaxy A51. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | Yes | Both phones have 64-bit architecture. |
| Graphics System (GPU) | - | Mali-G76 MC16 |
| MEMORY | Samsung Galaxy A51 | Huawei P40 Pro |
|---|
| RAM | 4 GB | 8 GB | Huawei P40 Pro has more RAM than Samsung Galaxy A51. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 256 GB | Huawei P40 Pro has more internal memory than Samsung Galaxy A51. |
| User Memory | 107 GB | - | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 512 GB | NM card - up to 256 GB |
| CAMERA | Samsung Galaxy A51 | Huawei P40 Pro |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 4 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 50 Megapixel | Huawei P40 Pro has better camera resolution than Samsung Galaxy A51. |
| Sensor Size | - | 1/1.28" | |
| Sensor Name | - | Huawei Ultra Vision sensor | |
| Lens Aperture | F/2.0 | F/1.9 | Huawei P40 Pro has better lens aperture than Samsung Galaxy A51. |
| Pixel Size | - | 2.44 μm | |
| Optical Image Stabiliser (OIS) | - | Optical Image Stabiliser (OIS) | Huawei P40 Pro has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | 8x | - | |
| Special Effects | - | Bokeh effect | |
| Camera Modes | Slow motion mode, Live Focus mode | 4K Timelapse, ultra low-light video, ultra slow motion video, telephoto video | |
| Light Source | LED flash | LED light | |
| Still Image Resolutions | - | 8192 x 6144 | |
| Video Resolutions | Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps | 3840 x 2160 (4K) at 60 fps | |
| Camera Features (Functions) | AR sticker, background blur, Scene Optimiser, Eye blink, Flaw detection, Stamp, Facial blur | Hybrid Zoom, Huawei AI Image Stabilization (AIS), Leica Quad Camera System, RYYB colour filter array, Octa PD Focus, 4-in-1 pixel binning, AI Portrait Studios |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 12 Megapixel | 40 Megapixel | Huawei P40 Pro has better second camera resolution than Samsung Galaxy A51. |
|---|---|---|---|
| Sensor Size (2nd Camera) | - | 1/1.54" | |
| Lens Type (2nd Camera) | Ultra wide-angle lens | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.2 | F/1.8 | Huawei P40 Pro has better second camera lens aperture than Samsung Galaxy A51. |
| Field of View (2nd Camera) | 123 degree(s) | - | |
| Camera Features (2nd Camera) | - | Huawei Cine Camera |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 5 Megapixel | 12 Megapixel | Huawei P40 Pro has higher resolution third camera than Samsung Galaxy A51. |
|---|---|---|---|
| Lens Type (3rd Camera) | - | Telephoto lens | |
| Lens Aperture (3rd Camera) | F/2.4 | F/3.4 | Samsung Galaxy A51 has better third camera lens aperture than Samsung Galaxy A51. |
| Optical Image Stabiliser (OIS) | - | Optical Image Stabiliser (OIS) | Huawei P40 Pro has optical stabilisation of the third camera. |
| Optical Zoom | - | 5x | |
| Hybrid Zoom | - | 10x | |
| Camera Functions (3rd Camera) | Macro camera | - | |
| Camera Features (3rd Camera) | - | Huawei SuperSensing Camera, 50X Max Zoom |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | 5 Megapixel | - | |
|---|---|---|---|
| Lens Type (4th Camera) | Telephoto lens | - | |
| Lens Aperture (4th Camera) | F/2.2 | - | |
| Camera Functions (4th Camera) | Depth camera | HUAWEI Time-of-Flight (TOF) Camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution (Front) | 32 Megapixel | 32 Megapixel | Both phones have the same front camera resolution. |
| Lens Aperture (Front) | F/2.2 | F/2.2 | Both phones have the same front camera lens aperture. |
| Focus Adjustment | Focus free | Automatic | |
| Face Recognition (Face ID) | - | Face recognition | Huawei P40 Pro has 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) | - | TOF camera |
|---|
| BATTERY AND CHARGING | Samsung Galaxy A51 | Huawei P40 Pro |
|---|
| Battery Capacity (Battery Size) | 4000 mAh | 4200 mAh | Huawei P40 Pro has larger battery capacity than Samsung Galaxy A51. |
|---|---|---|---|
| Fast Charging Technology | - | HUAWEI SuperCharge technology, Wireless HUAWEI SuperCharge | Huawei P40 Pro has fast charging technology. |
| Wireless Charging | - | Yes | Huawei P40 Pro can be charged wirelessly. |
| Talk Time | 1920 minutes | - | |
| Run Time Details | Active online usage (LTE): up to 15 hrs Active online usage (Wi-Fi): up to 16 hrs Playback (video): up to 20 hrs Playback (audio): up to 87 hrs Talk (4G): up to 1920 min |
- | |
| Battery Technology | Lithium Ion | - |
| CELLULAR | Samsung Galaxy A51 | Huawei P40 Pro |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Huawei P40 Pro has more advanced generation mobile network. |
| Operating System | Android 10 | Android 10 | |
| User Interface | One UI | EMUI 10.1 | |
| Intelligent Assistant | Bixby | Celia | |
| Navigation | GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS |
| COMMUNICATIONS | Samsung Galaxy A51 | Huawei P40 Pro |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, 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 8 | Band 1, Band 2, Band 4, Band 5, Band 6, Band 8, Band 19 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 2100, 1900, 1700, 850, 800, 900, 800 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 20, Band 26, Band 28, Band 38, Band 40, Band 41, Band 66 | 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 | |
| 4G LTE Frequency | 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 850+, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | 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 | |
| 5G NR Band | - | N1, n2, n7, n28 | |
| 5G NR Frequency | - | FDD 2100, FDD 1900PCS, FDD 2600, FDD 700APT | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, ANT+ | IEEE 802.11a/b/g/n/ac, IEEE 802.11a/b/g/n/ac/ax | |
| Bluetooth | Bluetooth 5.0 LE | Bluetooth 5.1 LE | |
| Bluetooth Profiles | HFP, HSP, OPP, PAN, A2DP, AVRCP, HID, SAP, PBAP, MAP, HOGP | - | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Samsung Galaxy A51 | Huawei P40 Pro |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | WAV, AAC, AMR, MP3, FLAC, OGG, MIDI, LDAC, MP4, SBC, 3GP | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 | MPEG-4, 3GP |
| FEATURES | Samsung Galaxy A51 | Huawei P40 Pro |
|---|
| 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, hall sensor, geomagnetic sensor | Ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor, gesture, gravity sensor, infrared (IR) sensor, colour temperature sensor | |
| Security Devices | Fingerprint reader (under display) | Fingerprint reader (under display), face recognition | |
| Additional Phone Features | Fast Charging, Samsung KNOX, Bixby Vision, Game Booster, Bixby Routines | Multitasking, Face Unlock, MIMO technology, MU-MIMO technology, Huawei Share, HUAWEI Dual-View Video, Huawei Reverse Charge, Tiny-Core NPU (Neural Network Processing Unit), Dual Big Core, HUAWEI XD Fusion Engine, HUAWEI Golden Snap, HUAWEI MeeTime, SuperCool system |
| OTHERS | Samsung Galaxy A51 | Huawei P40 Pro |
|---|
| Included Accessories | Power adapter | Power adapter, SIM card removal tool, USB-C cable, USB-C headphones | |
|---|---|---|---|
| Compliant Standards | - | IEC 60529 IP68 | |
| Max Depth of Water Resistance | - | 1.5 m |
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