Screen size
Galaxy J7 Duo5.5"
Galaxy M08Winner: 6.7"+18%
Quick verdict
Galaxy M08 leads the measured specs 12-2.
Measured wins
Galaxy J7 Duo
2
spec wins
Ties
7
equal specs
Galaxy M08
12
spec wins
Overall winner
Screen size
Technology
Galaxy J7 Duo
GSM / HSPA / LTE
Galaxy M08
GSM / HSPA / LTE
2G bands
Galaxy J7 Duo
GSM 850 / 900 / 1800 / 1900
Galaxy M08
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 M08
HSDPA 850 / 900 / 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
equal specsRAM
Storage
Main camera
Front camera
equal specsBattery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Galaxy M08
1, 3, 5, 7, 8, 20, 28, 38, 40, 41
Speed
Galaxy J7 Duo
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Galaxy M08
HSPA, LTE
Announced
Galaxy J7 Duo
2018, April. Released 2018, April
Galaxy M08
2026, October 01
Status
Galaxy J7 Duo
Discontinued
Galaxy M08
Released Oct 2026
Dimensions
Galaxy J7 Duo
153.5 x 77.2 x 8.2 mm (6.04 x 3.04 x 0.32 in)
Galaxy M08
167.4 x 77.4 x 8 mm (6.59 x 3.05 x 0.31 in)
Weight
Galaxy J7 Duo
174 g (6.14 oz)
Galaxy M08
197 g (6.95 oz)
SIM
Galaxy J7 Duo
Single SIM (Micro-SIM) or Dual SIM (Micro-SIM, dual stand-by)
Galaxy M08
Nano-SIM + Nano-SIM
Build
Galaxy J7 Duo
-
Galaxy M08
Glass front, plastic back, plastic frame
Other
Galaxy J7 Duo
-
Galaxy M08
IP64 dust tight and water resistant (water splashes)
Type
Galaxy J7 Duo
Super AMOLED
Galaxy M08
PLS LCD, 90Hz
Size
Galaxy J7 Duo
5.5 inches, 83.4 cm2 (~70.4% screen-to-body ratio)
Galaxy M08
6.7 inches, 108.4 cm2 (~83.6% screen-to-body ratio)
Resolution
Galaxy J7 Duo
720 x 1280 pixels, 16:9 ratio (~267 ppi density)
Galaxy M08
720 x 1600 pixels, 20:9 ratio (~262 ppi density)
OS
Galaxy J7 Duo
Android 8.0 (Oreo), upgradable to Android 9.0 (Pie)
Galaxy M08
Android 17, up to 6 major OS updates, One UI 9
Chipset
Galaxy J7 Duo
Exynos 7885 (14 nm)
Galaxy M08
Mediatek Helio G99+ (6 nm)
CPU
Galaxy J7 Duo
Octa-core (2x2.2 GHz Cortex-A73 & 6x1.6 GHz Cortex-A53)
Galaxy M08
Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
Galaxy J7 Duo
Mali-G71
Galaxy M08
Mali-G57 MC2
Card slot
Galaxy J7 Duo
microSDXC (dedicated slot)
Galaxy M08
microSDXC (dedicated slot)
Internal
Galaxy J7 Duo
32GB 3GB RAM, 32GB 4GB RAM
Galaxy M08
64GB 4GB RAM
Other
Galaxy J7 Duo
eMMC 5.1
Galaxy M08
-
Dual
Galaxy J7 Duo
13 MP, f/1.9, AF Auxiliary lens
Galaxy M08
50 MP, f/1.8, (wide), 1/2.76", 0.64µm, PDAF Auxiliary lens
Features
Galaxy J7 Duo
LED flash, panorama, HDR
Galaxy M08
LED flash
Video
Galaxy J7 Duo
1080p@30fps
Galaxy M08
1080p@30/60fps
Single
Galaxy J7 Duo
8 MP, f/1.9
Galaxy M08
8 MP, f/2.0, (wide), 1/4.0", 1.12µm
Features
Galaxy J7 Duo
LED flash
Galaxy M08
-
Video
Galaxy J7 Duo
1080p@30fps
Galaxy M08
Yes
Loudspeaker
Galaxy J7 Duo
Yes
Galaxy M08
Yes
3.5mm jack
Galaxy J7 Duo
Yes
Galaxy M08
Yes
WLAN
Galaxy J7 Duo
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Galaxy M08
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
Galaxy J7 Duo
4.2, A2DP, LE
Galaxy M08
5.3, A2DP, LE
Positioning
Galaxy J7 Duo
GPS, GLONASS, BDS
Galaxy M08
GPS, GLONASS, GALILEO, BDS
NFC
Galaxy J7 Duo
No
Galaxy M08
No
Radio
Galaxy J7 Duo
FM radio
Galaxy M08
FM radio
USB
Galaxy J7 Duo
microUSB 2.0
Galaxy M08
USB Type-C 2.0
Sensors
Galaxy J7 Duo
Fingerprint (front-mounted), accelerometer, proximity
Galaxy M08
Fingerprint (side-mounted), accelerometer, proximity
Other
Galaxy J7 Duo
ANT+
Galaxy M08
-
Type
Galaxy J7 Duo
Li-Ion 3000 mAh, removable
Galaxy M08
6000 mAh
Charging
Galaxy J7 Duo
-
Galaxy M08
25W wired
Colors
Galaxy J7 Duo
Black, Gold, Rose Gold, White, Blue
Galaxy M08
Silver
Models
Galaxy J7 Duo
SM-J720F, SM-J720F/DS, SM-J720M, SM-J720M/DS
Galaxy M08
SM-M085F, SM-M085F/DS
SAR EU
Galaxy J7 Duo
0.54 W/kg (head) 1.40 W/kg (body)
Galaxy M08
0.75 W/kg (head) 1.29 W/kg (body)
Price
Galaxy J7 Duo
About 240 EUR
Galaxy M08
About 160 EUR
SAR
Galaxy J7 Duo
-
Galaxy M08
0.62 W/kg (head)