Side by side comparison and review of Samsung Galaxy J7 Duo and Huawei P40. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Samsung Galaxy J7 Duo | Huawei P40 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-J720F | - | |
| Form Factor | Touch | Touch | |
| Height | 153.5 mm | 148.9 mm | Samsung Galaxy J7 Duo has greater height than Huawei P40. |
| Width | 77.2 mm | 71.06 mm | Samsung Galaxy J7 Duo has greater width than Huawei P40. |
| Depth | 8.2 mm | 8.5 mm | Samsung Galaxy J7 Duo is narrower than Samsung Galaxy J7 Duo. |
| Weight | 174 g | 175 g | Samsung Galaxy J7 Duo is lighter than Samsung Galaxy J7 Duo. |
| Body Colour | Black | Silver frost | Black | |
| 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 | 1.397 W/kg (body), 0.543 W/kg (head) | 1.29 W/kg (body), 3.19 W/kg (limb), 0.49 W/kg (head) | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C | |
| SIM Card Type (Size) | Micro SIM | Nano SIM, Electronic SIM card (e-SIM) | |
| SIM Card Qty | Single-SIM | Dual-SIM | |
| SIM Card Configuration Details | - | Nano SIM + nano SIM/NM card |
| DISPLAY | Samsung Galaxy J7 Duo | Huawei P40 |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | HD Super AMOLED | - | |
| Screen Size (Display Size) | 5.5" | 6.1" | Huawei P40 has larger screen size than Samsung Galaxy J7 Duo. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 2340 x 1080 pixels | Huawei P40 has better screen resolution than Samsung Galaxy J7 Duo. |
| Display Format | HD | Full HD+ | |
| Pixel Density | - | 422 ppi | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| PROCESSOR | Samsung Galaxy J7 Duo | Huawei P40 |
|---|
| Processor Type (CPU) | - | Hisilicon Kirin 990 5G | |
|---|---|---|---|
| Clock Speed | 1.6 GHz | 2.86 GHz | Huawei P40 has higher clock speed than Samsung Galaxy J7 Duo. |
| 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 |
| MEMORY | Samsung Galaxy J7 Duo | Huawei P40 |
|---|
| RAM | 3 GB | 8 GB | Huawei P40 has more RAM than Samsung Galaxy J7 Duo. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 128 GB | Huawei P40 has more internal memory than Samsung Galaxy J7 Duo. |
| User Memory | 21.9 GB | - | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | NM card - up to 256 GB |
| CAMERA | Samsung Galaxy J7 Duo | Huawei P40 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 3 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 50 Megapixel | Huawei P40 has better camera resolution than Samsung Galaxy J7 Duo. |
| Sensor Size | - | 1/1.28" | |
| Sensor Name | - | Huawei Ultra Vision sensor | |
| Lens Aperture | F/1.9 | F/1.9 | Both phones have the same camera lens aperture. |
| Pixel Size | - | 2.44 μm | |
| Optical Image Stabiliser (OIS) | - | Optical Image Stabiliser (OIS) | Huawei P40 has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Light Source | LED flash | LED light | |
| Still Image Resolutions | - | 8192 x 6144 | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | 3840 x 2160 (4K) at 60 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 |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 5 Megapixel | 16 Megapixel | Huawei P40 has better second camera resolution than Samsung Galaxy J7 Duo. |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | F/1.9 | F/2.2 | Samsung Galaxy J7 Duo has better second camera lens aperture than Samsung Galaxy J7 Duo. |
| Camera Features (2nd Camera) | - | 2.5cm macro photography |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 8 Megapixel | |
|---|---|---|---|
| Lens Type (3rd Camera) | - | Telephoto lens | |
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Optical Image Stabiliser (OIS) | - | Optical Image Stabiliser (OIS) | Huawei P40 has optical stabilisation of the third camera. |
| Optical Zoom | - | 3x | |
| Hybrid Zoom | - | 5x | |
| Camera Features (3rd Camera) | - | 30X Max Zoom |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 32 Megapixel | Huawei P40 has better front camera resolution than Samsung Galaxy J7 Duo. |
| Lens Aperture (Front) | F/1.9 | F/2.0 | Samsung Galaxy J7 Duo has better front lens aperture than Samsung Galaxy J7 Duo. |
| Face Recognition (Face ID) | - | Face recognition | Huawei P40 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) | - | IR camera |
|---|
| BATTERY AND CHARGING | Samsung Galaxy J7 Duo | Huawei P40 |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 3800 mAh | Huawei P40 has larger battery capacity than Samsung Galaxy J7 Duo. |
|---|---|---|---|
| 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. |
| Talk Time | 1200 minutes | - | |
| Run Time Details | Active online usage (WCDMA): up to 11 hrs Active online usage (LTE): up to 13 hrs Active online usage (Wi-Fi): up to 13 hrs Playback (video): up to 17 hrs Playback (audio): up to 66 hrs Talk (WCDMA): up to 1200 min |
- |
| CELLULAR | Samsung Galaxy J7 Duo | Huawei P40 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Huawei P40 has more advanced generation mobile network. |
| Operating System | Google Android | Android 10 | |
| User Interface | - | EMUI 10.1 | |
| Intelligent Assistant | Bixby | Celia | |
| Payment Technology | - | Google Pay | |
| Navigation | GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS, NavIC |
| COMMUNICATIONS | Samsung Galaxy J7 Duo | Huawei P40 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, 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 5, Band 8 | Band 1, Band 2, Band 4, Band 5, Band 6, Band 8, Band 19 | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | 2100, 1900, 1700, 850, 800, 900, 800 | |
| 4G LTE Band | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40, Band 41 | 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 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300, TDD 2500 | 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 | |
| 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, ANT+/ANT | IEEE 802.11a/b/g/n/ac, IEEE 802.11a/b/g/n/ac/ax | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.1 LE | |
| NFC | - | Yes | Huawei P40 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Samsung Galaxy J7 Duo | Huawei P40 |
|---|
| 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, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 | MPEG-4, 3GP |
| FEATURES | Samsung Galaxy J7 Duo | Huawei P40 |
|---|
| 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, proximity sensor | Ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor, gesture, gravity sensor, laser sensor, colour temperature sensor | |
| Security Devices | Face recognition, fingerprint reader | Fingerprint reader (under display), face recognition | |
| 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 |
| OTHERS | Samsung Galaxy J7 Duo | Huawei P40 |
|---|
| Included Accessories | Power adapter | Power adapter, SIM card removal tool, USB-C cable, USB-C headphones | |
|---|---|---|---|
| Compliant Standards | - | IEC 60529 IP53 | |
| Max Depth of Water Resistance | - | 1.5 m |
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
