Detailed comparison and review of Samsung Galaxy J7 Duo and Samsung Galaxy J4. 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 J7 Duo | Samsung Galaxy J4 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-J720F | SM-J400F/DS | |
| Form Factor | Touch | Touch | |
| Height | 153.5 mm | 151 mm | Samsung Galaxy J7 Duo has greater height than Samsung Galaxy J4. |
| Width | 77.2 mm | 77.2 mm | Both phones are the same width |
| Depth | 8.2 mm | 8.1 mm | Samsung Galaxy J4 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 | Black | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.397 W/kg (body), 0.543 W/kg (head) | 1.492 W/kg (body), 0.356 W/kg (head) | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Micro SIM | Micro SIM | |
| SIM Card Qty | Single-SIM | Dual-SIM |
| DISPLAY | Samsung Galaxy J7 Duo | Samsung Galaxy J4 |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | HD Super AMOLED | HD Super AMOLED | |
| Screen Size (Display Size) | 5.5" | 5.5" | Both phones have the same screen size. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 1280 x 720 pixels | Both phones have the same screen resolution. |
| Display Format | HD | HD | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| PROCESSOR | Samsung Galaxy J7 Duo | Samsung Galaxy J4 |
|---|
| Clock Speed | 1.6 GHz | 1.4 GHz | Samsung Galaxy J7 Duo has higher clock speed than Samsung Galaxy J4. |
|---|---|---|---|
| Processor Core Qty | 8-core | Quad-core | Samsung Galaxy J7 Duo has higher processor core quantity than Samsung Galaxy J4. |
| MEMORY | Samsung Galaxy J7 Duo | Samsung Galaxy J4 |
|---|
| RAM | 3 GB | 2 GB | Samsung Galaxy J7 Duo has more RAM than Samsung Galaxy J4. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 16 GB | Samsung Galaxy J7 Duo has more internal memory than Samsung Galaxy J4. |
| User Memory | 21.9 GB | 9.6 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSDXC - up to 256 GB |
| CAMERA | Samsung Galaxy J7 Duo | Samsung Galaxy J4 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 1 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 13 Megapixel | Both phones have the same camera resolution. |
| Lens Aperture | F/1.9 | F/1.9 | Both phones have the same camera lens aperture. |
| Focus Adjustment | Automatic | Automatic | |
| Light Source | LED flash | Flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | 1920 x 1080 (1080p) at 30 fps |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 5 Megapixel | - | |
|---|---|---|---|
| Lens Aperture (2nd Camera) | F/1.9 | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 5 Megapixel | Samsung Galaxy J7 Duo has better front camera resolution than Samsung Galaxy J4. |
| Lens Aperture (Front) | F/1.9 | F/2.2 | Samsung Galaxy J7 Duo has better front lens aperture than Samsung Galaxy J7 Duo. |
| Light Source (Front) | - | LED flash |
| BATTERY AND CHARGING | Samsung Galaxy J7 Duo | Samsung Galaxy J4 |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 3000 mAh | Both phones have the same battery capacity. |
|---|---|---|---|
| Talk Time | 1200 minutes | 1200 minutes | Both phones have the same battery life when making calls. |
| 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 |
Active online usage (3G): 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 18 hrs Playback (audio): up to 80 hrs Talk (WCDMA): up to 1200 min |
| CELLULAR | Samsung Galaxy J7 Duo | Samsung Galaxy J4 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Google Android | Google Android | |
| Intelligent Assistant | Bixby | - | |
| Navigation | GPS, GLONASS, BeiDou | GPS, GLONASS, BeiDou |
| COMMUNICATIONS | Samsung Galaxy J7 Duo | Samsung Galaxy J4 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM | |
| 3G UMTS Band | Band 1, Band 2, Band 5, Band 8 | Band 1, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | 2100, 850, 900 | |
| 4G LTE Band | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40, Band 41 | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40 | |
| 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 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, ANT+/ANT | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 4.2 | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Samsung Galaxy J7 Duo | Samsung Galaxy J4 |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 | MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 |
| FEATURES | Samsung Galaxy J7 Duo | Samsung Galaxy J4 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | Speakerphone, call timer, conference call, flight mode, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor | Accelerometer, proximity sensor | |
| Security Devices | Face recognition, fingerprint reader | - | |
| Additional Phone Features | - | Multitasking, Dual Messenger, Secure Folder function |
| OTHERS | Samsung Galaxy J7 Duo | Samsung Galaxy J4 |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
