- Samsung Galaxy J7 Duo
- Walton NEXG N28 4G
| Product Image |
|
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| Product Name | Samsung Galaxy J7 Duo | Walton NEXG N28 4G |
| Price |
৳. 18,990
|
৳. 16,299
|
| Rating |
3.4
|
3.5
|
| Brand | Samsung | Walton |
| Category | Smart Phone | Smart Phone |
General
| Brand |
Samsung
Walton
|
| Model |
Galaxy J7 Duo
NEXG N28 4G
|
| Device Type |
SmartPhone
Smartphone
|
| Price in BD |
BDT. 18,990 (Official)
BDT. 16,299 (Official)
|
| Release Date |
10 April 2018
29 January 2026
|
| Status |
Available
Available
|
| Camera |
13 MP
Rear: 50+0.08MP / Front: 8MP
|
| Display |
5.5 inches (13.97 cm)
6.7 inches (17.02 cm)
|
| Processor |
Exynos 7885
Mediatek Helio G81
|
| Battery |
3000 mAh
6000 mAh
|
Display
| Display Type |
Super AMOLED
IPS INCELL
|
| Screen Size |
5.5 inches (13.97 cm)
6.7 inches (17.02 cm)
|
| Resolution |
720x1280 px (FHD+)
720x1600 px (HD+)
|
| Aspect Ratio |
16:9
N/A
|
| Pixel Density |
267 ppi
N/A
|
| Screen to Body Ratio |
70.21 %
90.0%
|
| Screen Protection |
Gorilla Glass
Gorilla Glass
|
| Bezel-less Display |
Yes with notch
Yes with punch-hole display
|
| Touch Screen |
Capacitive Touchscreen, Multi-touch
Capacitive Touchscreen, Multi-touch
|
| Refresh Rate |
60 Hz
120 Hz
|
Hardware & Software
Software
| Operating System |
Android
Android
|
| OS Version |
v8.0
v16
|
Processor
| Chipset |
Exynos 7885
Mediatek Helio G81
|
| CPU |
Octa-core (2x2.2 GHz Cortex-A73 & 6x1.6 GHz Cortex-A53)
Octa-core (2GHz ARM Cortex–A75 & 2x Cortex-A75 & 6x Cortex-A55)
|
| CPU Cores |
8 Cores
8 Cores
|
| Architecture |
64 bit
64 bit
|
| Fabrication |
14 nm
12 nm
|
| GPU |
Mali-T830 MP1
Mali-G52 MC2
|
Memory
| Internal Storage |
32 GB
256 GB
|
| Storage Type |
eMMC 5.1
N/A
|
| Expandable Memory |
Up to 256 GB
Up to 1 TB
|
| USB OTG |
Yes
Yes
|
| RAM |
4 GB
8 GB
|
| RAM Type |
LPDDR3
N/A
|
| User Available Storage |
Up to 21.8 GB
N/A
|
Cameras
Main Camera
| Camera Setup |
Dual
Dual
|
| Resolution |
13 MP, f/1.9, Primary Camera, 5 MP, f/1.9, Depth Camera
50 MP, f/1.8, Wide Angle, Primary Camera, 0.08 MP, Auxiliary lens Camera
|
| Autofocus |
Yes
Yes
|
| Flash |
LED Flash
LED Flash
|
| Image Resolution |
4128 x 3096 Pixels
8150 x 6150 Pixels
|
| Settings |
Exposure compensation, ISO control
Exposure compensation, ISO control
|
| Zoom |
Digital Zoom
Digital Zoom
|
| Shooting Modes |
Continuous Shooting, High Dynamic Range mode (HDR)
Continuous Shooting, High Dynamic Range mode (HDR)
|
| Aperture |
f/1.9
f/1.8
|
| Camera Features |
Auto Flash, Face detection, Touch to focus
HDR, Location tag, Watermark, Shutter sound, Touch to capture, Fingerprint capture, Self-Timer, Grid Line, Volume button Function, Anti Flicker
|
| Video Recording |
1920x1080
2560x1440
|
| Video FPS |
30 fps
30 fps
|
Selfie Camera
| Camera Setup |
Single
Single
|
| Resolution |
8 MP, f/1.9, Primary Camera
8 MP, f/2.0, Primary Camera
|
| Flash |
LED Flash
N/A
|
| Video Recording |
1920x1080
1920x1080
|
| Video FPS |
30 fps
30 fps
|
| Aperture |
f/1.9
f/2.0
|
Design & Build
| Dimensions |
153.5 x 77.2 x 8.2 mm (6.04 x 3.04 x 0.32 in)
165.6 x 77 x 8.37 mm
|
| Weight |
174 grams
190 grams
|
| Height |
153.5 mm
165.6 mm
|
| Width |
77.2 mm
77 mm
|
| Thickness |
8.2 mm
8.37 mm
|
| Colors |
Black, Gold, Rose Gold, White, Blue
Meteor Blue, Hunter Green, Charcoal Black
|
Battery
| Battery type |
Li-Ion (Lithium Ion)
Li-Poly (Lithium Polymer)
|
| Capacity |
3000 mAh
6000 mAh
|
| Placement |
Removable
Non-removable
|
| Talk Time |
Up to 20 Hours(3G)
N/A
|
Network
SIM 1
| Technology |
2G, 3G, 4G
2G, 3G, 4G
|
| SIM Size |
Micro
Nano
|
| SIM Slot |
Dual SIM, GSM+GSM
Dual SIM, GSM+GSM
|
| 2G Bands |
GSM 1800 / 1900 / 850 / 900 MHz
GSM 1800 / 1900 / 850 / 900 MHz
|
| 3G Bands |
UMTS 1900 / 2100 / 850 / 900 MHz
UMTS 1900 / 2100 / 850 / 900 MHz
|
| 4G Bands |
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 850(band 5) / 800(band 20)
FDD N1 / N3 / N5 / N7 / N8 / N28 / N66 TDD N40 / N41 / N77 / N78
|
| VoLTE |
Yes
Yes
|
| GPRS |
Available
Available
|
| EDGE |
Available
Available
|
| Speed |
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
HSPA, LTE
|
SIM 2
| Technology |
2G
2G, 3G, 4G
|
| SIM Size |
Micro
Nano
|
| 2G Bands |
GSM 1800 / 1900 / 850 / 900 MHz
GSM 1800 / 1900 / 850 / 900 MHz
|
| GPRS |
Available
Available
|
| EDGE |
Available
Available
|
Connectivity
| WLAN |
Wi-Fi 5 (802.11 a/b/g/n/ac) 5GHz
Wi-Fi 5 (802.11 a/b/g/n/ac) 5GHz
|
| Bluetooth |
v5.0
v5.2
|
| GPS |
Yes with A-GPS, Glonass
Yes with A-GPS, Glonass
|
| Wi-fi Hotspot |
Yes
Yes
|
| USB |
Mass storage device, USB charging, microUSB 2.0
Mass storage device, USB charging
|
| SAR Value |
0.478 W/kg
N/A
|
Multimedia
| FM Radio |
Yes
Yes
|
| Loudspeaker |
Yes
Yes
|
| Alert Types |
Vibration, MP3, WAV ringtones
N/A
|
| Video |
1080p@30fps
2160p@30fps
|
| Document Reader |
Yes
Yes
|
| Audio Jack |
3.5 mm
3.5 mm
|
Sensors & Security
| Light Sensor |
Proximity sensor, Accelerometer
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
|
| Fingerprint Sensor |
Yes
Yes
|
| Finger Sensor Position |
Front-mounted
Side-mounted
|
| Face Unlock |
Yes
Yes
|
Manufacturer
| First Arrival |
10 April 2018
29 January 2026
|
| Manufactured By |
Samsung
Walton
|
| Availability |
Available
Available
|
| Made By |
Korea
Bangladesh
|
More
| Sensor |
Accelerometer
Accelerometer, proximity, compass
|