Screen size
Galaxy J7 Duo5.5"
Galaxy M47Winner: 6.7"+18%
Quick verdict
Galaxy M47 leads the measured specs 18-2.
Measured wins
Galaxy J7 Duo
2
spec wins
Ties
2
equal specs
Galaxy M47
18
spec wins
Overall winner
Screen size
Technology
Galaxy J7 Duo
GSM / HSPA / LTE
Galaxy M47
GSM / HSPA / LTE / 5G
2G bands
Galaxy J7 Duo
GSM 850 / 900 / 1800 / 1900
Galaxy M47
GSM 850 / 900 / 1800 / 1900
3G bands
Galaxy J7 Duo
HSDPA 850 / 900 / 1900 / 2100 - International, HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - USA
Galaxy M47
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
Galaxy J7 Duo
1, 3, 5, 7, 8, 20, 38, 40, 41 - International, 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 28, 38, 40, 41, 66 - USA
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
NFC
3.5mm jack
SD card
equal specsStereo speakers
Galaxy M47
LTE
Speed
Galaxy J7 Duo
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Galaxy M47
HSPA, LTE, 5G
5G bands
Galaxy J7 Duo
-
Galaxy M47
SA/NSA/Sub6
Announced
Galaxy J7 Duo
2018, April. Released 2018, April
Galaxy M47
2026, June 29
Status
Galaxy J7 Duo
Discontinued
Galaxy M47
Available. Released 2026, July 04
Dimensions
Galaxy J7 Duo
153.5 x 77.2 x 8.2 mm (6.04 x 3.04 x 0.32 in)
Galaxy M47
162.4 x 78.2 x 7.8 mm (6.39 x 3.08 x 0.31 in)
Weight
Galaxy J7 Duo
174 g (6.14 oz)
Galaxy M47
200 g (7.05 oz)
SIM
Galaxy J7 Duo
Single SIM (Micro-SIM) or Dual SIM (Micro-SIM, dual stand-by)
Galaxy M47
Nano-SIM + Nano-SIM
Build
Galaxy J7 Duo
-
Galaxy M47
Glass front (Gorilla Glass Victus+), plastic frame, glass back (Gorilla Glass Victus+)
Other
Galaxy J7 Duo
-
Galaxy M47
IP64 dust tight and water resistant (water splashes) Drop resistant up to 2m
Type
Galaxy J7 Duo
Super AMOLED
Galaxy M47
Super AMOLED, 120Hz, 800 nits (typ), 1400 nits (HBM)
Size
Galaxy J7 Duo
5.5 inches, 83.4 cm2 (~70.4% screen-to-body ratio)
Galaxy M47
6.7 inches, 110.2 cm2 (~86.8% screen-to-body ratio)
Resolution
Galaxy J7 Duo
720 x 1280 pixels, 16:9 ratio (~267 ppi density)
Galaxy M47
1080 x 2340 pixels, 19.5:9 ratio (~385 ppi density)
Protection
Galaxy J7 Duo
-
Galaxy M47
Corning Gorilla Glass Victus+
OS
Galaxy J7 Duo
Android 8.0 (Oreo), upgradable to Android 9.0 (Pie)
Galaxy M47
Android 16, up to 6 major Android upgrades, One UI 8.5
Chipset
Galaxy J7 Duo
Exynos 7885 (14 nm)
Galaxy M47
Qualcomm SM6475-AB Snapdragon 6 Gen 3 (4 nm)
CPU
Galaxy J7 Duo
Octa-core (2x2.2 GHz Cortex-A73 & 6x1.6 GHz Cortex-A53)
Galaxy M47
Octa-core (4x2.4 GHz Cortex-A78 & 4x1.8 GHz Cortex-A55)
GPU
Galaxy J7 Duo
Mali-G71
Galaxy M47
Adreno 710
Card slot
Galaxy J7 Duo
microSDXC (dedicated slot)
Galaxy M47
microSDXC (uses shared SIM slot)
Internal
Galaxy J7 Duo
32GB 3GB RAM, 32GB 4GB RAM
Galaxy M47
128GB 6GB RAM, 256GB 8GB RAM
Other
Galaxy J7 Duo
eMMC 5.1
Galaxy M47
UFS 3.1
Dual
Galaxy J7 Duo
13 MP, f/1.9, AF Auxiliary lens
Galaxy M47
-
Features
Galaxy J7 Duo
LED flash, panorama, HDR
Galaxy M47
LED flash, panorama, HDR
Video
Galaxy J7 Duo
1080p@30fps
Galaxy M47
4K@30fps, 1080p@30fps, 720p@480fps, gyro-EIS
Triple
Galaxy J7 Duo
-
Galaxy M47
50 MP, f/1.8, (wide), 1/2.76", 0.64µm, PDAF, OIS 5 MP, f/2.2, (ultrawide), 1/5.0", 1.12µm 2 MP (macro)
Single
Galaxy J7 Duo
8 MP, f/1.9
Galaxy M47
12 MP, f/2.2, (wide), AF
Features
Galaxy J7 Duo
LED flash
Galaxy M47
-
Video
Galaxy J7 Duo
1080p@30fps
Galaxy M47
1080p@30fps, HDR
Loudspeaker
Galaxy J7 Duo
Yes
Galaxy M47
Yes
3.5mm jack
Galaxy J7 Duo
Yes
Galaxy M47
No
WLAN
Galaxy J7 Duo
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Galaxy M47
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
Galaxy J7 Duo
4.2, A2DP, LE
Galaxy M47
5.3, A2DP, LE, ASHA
Positioning
Galaxy J7 Duo
GPS, GLONASS, BDS
Galaxy M47
GPS, GALILEO, GLONASS, BDS, QZSS
NFC
Galaxy J7 Duo
No
Galaxy M47
Yes
Radio
Galaxy J7 Duo
FM radio
Galaxy M47
Unspecified
USB
Galaxy J7 Duo
microUSB 2.0
Galaxy M47
USB Type-C 2.0, OTG
Sensors
Galaxy J7 Duo
Fingerprint (front-mounted), accelerometer, proximity
Galaxy M47
Fingerprint (side-mounted), accelerometer, gyro, compass
Other
Galaxy J7 Duo
ANT+
Galaxy M47
Virtual proximity sensing
Type
Galaxy J7 Duo
Li-Ion 3000 mAh, removable
Galaxy M47
6000 mAh
Charging
Galaxy J7 Duo
-
Galaxy M47
45W wired Bypass charging
Colors
Galaxy J7 Duo
Black, Gold, Rose Gold, White, Blue
Galaxy M47
Blaze Blue, Rogue Red
Models
Galaxy J7 Duo
SM-J720F, SM-J720F/DS, SM-J720M, SM-J720M/DS
Galaxy M47
SM-M476B/DS, SM-M476B
SAR EU
Galaxy J7 Duo
0.54 W/kg (head) 1.40 W/kg (body)
Galaxy M47
0.50 W/kg (head) 0.98 W/kg (body)
Price
Galaxy J7 Duo
About 240 EUR
Galaxy M47
About 210 EUR
SAR
Galaxy J7 Duo
-
Galaxy M47
0.87 W/kg (head)