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Samsung Galaxy J3 (2018)

Samsung Galaxy J4

Network
Technology	GSM / HSPA / LTE	GSM / HSPA / LTE
2G bands	GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - USA unlocked; Canada	HSDPA 850 / 900 / 1900 / 2100
	HSDPA 850 / 1900 / 2100 - AT&T	HSDPA 850 / 900 / 2100 - India, Pakistan
4G Network	2, 3, 4, 5, 7, 12, 14 - USA unlocked; AT&T	1, 3, 5, 7, 8, 20, 38, 40 - India, Pakistan
	1, 2, 4, 5, 7, 12, 17, 66 - Canada
Speed	HSPA, LTE	HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps

Launch
Announced	2018, June	2018, May
Status	Available. Released 2018, June	Available. Released 2018, May

Body
Dimensions	142.7 x 70.1 x 8.9 mm (5.62 x 2.76 x 0.35 in)	151.7 x 77.2 x 8.1 mm (5.97 x 3.04 x 0.32 in)
Weight	152 g (5.36 oz)	175 g (6.17 oz)
Build	Glass front, plastic back, plastic frame	Glass front, plastic back, plastic frame
SIM	Nano-SIM	Dual SIM (Micro-SIM, dual stand-by)

Display
Type	IPS LCD	Super AMOLED
Size	5.0 inches, 68.9 cm2 (~68.9% screen-to-body ratio)	5.5 inches, 83.4 cm2 (~71.2% screen-to-body ratio)
Resolution	720 x 1280 pixels, 16:9 ratio (~294 ppi density)	720 x 1280 pixels, 16:9 ratio (~267 ppi density)

Platform
OS	Android 8.0 (Oreo)	Android 8.0 (Oreo)
Chipset	Exynos 7570 Quad (14 nm)	Exynos 7570 Quad (14 nm)
CPU	Quad-core 1.4 GHz Cortex-A53	Quad-core 1.4 GHz Cortex-A53
GPU	Mali-T720	Mali-T720 MP2

Memory
Card slot	microSDXC (dedicated slot)	microSDXC (dedicated slot)
Internal	16GB 2GB RAM	16GB 2GB RAM, 32GB 2GB RAM, 32GB 3GB RAM
	eMMC 5.0	eMMC 5.0

Main Camera
Modules	8 MP, f/1.9, AF	13 MP, f/1.9, 28mm (wide), AF
Features	LED flash, panorama, HDR	LED flash, panorama, HDR
Video	1080p@30fps	1080p@30fps

Selfie Camera
Modules	5 MP, f/2.2	5 MP, f/2.2
Features		LED flash
Video

Sound
Loudspeaker	Yes	Yes
3.5mm jack	Yes	Yes

Comms
WLAN	Wi-Fi 802.11 b/g/n, Wi-Fi Direct	Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth	4.2, A2DP, LE	4.2, A2DP, LE
Positioning	GPS	GPS, GLONASS, BDS
NFC	No	No
Infrared port	No	No
Radio	FM radio	FM radio
USB	microUSB 2.0	microUSB 2.0

Features
Sensors	Accelerometer, gyro, proximity, compass	Accelerometer, proximity

Battery
Type	Li-Ion 2600 mAh, removable	Li-Ion 3000 mAh, removable
Talk time		Up to 20 h (3G)
Music play		Up to 80 h

Misc
Colors	Black, Blue, Gold	Black, Gold, Orchid Gray
SAR	1.20 W/kg (head)     1.13 W/kg (body)	0.36 W/kg (head)     1.49 W/kg (body)
Models	SM-J337U, SM-J337W, SM-J337A, SM-J337R, SM-J337T, SM-J337P, SM-J337AZ, SM-J337VPP	SM-J400G, SM-J400F, SM-J400M
Price	About 150 EUR	About 140 EUR