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Samsung Galaxy J4 phone review — specs and Genze score

Samsung Galaxy J4 Specifications

Versions: J400F/DS (Global DS); J400G/DS

Samsung

Released 2018, May 15

2 / 3 GB RAM · Exynos 7570 Quad (14 nm)

  • 175g, 8.1mm thickness
  • Android 8.0
  • 16GB/32GB storage, microSDXC

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Genze vs community

Genze and community ratings are both shown on a /10 scale. Genze is derived from internal model scores and price rules; community averages come from approved reviews (1–10 per category).

Category Genze /10 Users /10
Battery 5.9
Display 6.6
Performance 4.1
Camera 3.9
Body 5.2
Gaming 5.2
Software 4.4
Connectivity 1.6
Sensors 7.2
Software updates
Clean software
Heating
Media
Genze total: 4.9/10

Community columns fill in when reviews are approved.

Quick specifications

5.5"

720x1280 pixels

13MP

1080p

2/3GB RAM

Exynos 7570 Quad

3000mAh

Score breakdown

From specs, price tier & release year

4.9 /10
Performance 4.1/10
Battery 5.9/10
Display 6.6/10
Camera 3.9/10
Body 5.2/10
Gaming 5.2/10
Software 4.4/10
Connectivity 1.6/10
Sensors 7.2/10
14 nm 1.40 GHz BT 4.2 2018

Community ratings

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Full specifications

Technology GSM / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1900 / 2100
??? HSDPA 850 / 900 / 2100 - India, Pakistan
4G bands 1, 3, 5, 7, 8, 20, 38, 40 - India, Pakistan
Speed HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Announced 2018, May. Released 2018, May
Status Discontinued
Dimensions 151.7 x 77.2 x 8.1 mm (5.97 x 3.04 x 0.32 in)
Weight 175 g (6.17 oz)
Build Glass front, plastic back, plastic frame
SIM Dual SIM (Micro-SIM, dual stand-by)
Type Super AMOLED
Size 5.5 inches, 83.4 cm2 (~71.2% screen-to-body ratio)
Resolution 720 x 1280 pixels, 16:9 ratio (~267 ppi density)
OS Android 8.0 (Oreo)
Chipset Exynos 7570 Quad (14 nm)
CPU Quad-core 1.4 GHz Cortex-A53
GPU Mali-T720 MP2
Card slot microSDXC (dedicated slot)
Internal 16GB 2GB RAM, 32GB 2GB RAM, 32GB 3GB RAM
??? eMMC 5.0
Single 13 MP, f/1.9, 28mm (wide), AF
Features LED flash, panorama, HDR
Video 1080p@30fps
Single 5 MP, f/2.2
Features LED flash
Video
Loudspeaker Yes
3.5mm jack Yes
WLAN Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth 4.2, A2DP, LE
Positioning GPS, GLONASS, BDS
NFC No
Radio FM radio
USB microUSB 2.0
Sensors Accelerometer, proximity
Type Li-Ion 3000 mAh, removable
Talk time Up to 20 h (3G)
Music play Up to 80 h
Colors Black, Gold, Orchid Gray
Models SM-J400G, SM-J400F, SM-J400M
SAR 0.36 W/kg (head) 1.49 W/kg (body)
Price About 140 EUR

Samsung Galaxy J4 official images

Samsung Galaxy J4

Frequently asked questions

Is Samsung Galaxy J4 worth buying in 2026?

Samsung Galaxy J4 is worth considering if its strengths match your priorities. Genze scores it 4.9/10 for its class. Read owner reviews and compare alternatives before you buy.

Is Samsung Galaxy J4 good for gaming?

Samsung Galaxy J4 scores 52/100 on our gaming index (chipset, display smoothness, and thermals). Casual and mid-tier titles usually run well; for competitive esports, compare frame stability and heating against phones in the same price band.

What is the battery capacity of Samsung Galaxy J4?

Samsung Galaxy J4 has a 3,000 mAh battery. Real-world endurance depends on chipset efficiency, display, and usage.

What display size does Samsung Galaxy J4 have?

Samsung Galaxy J4 features a 5.50-inch display. See the Display section for resolution, refresh rate, and panel details.

How much RAM does Samsung Galaxy J4 have?

Samsung Galaxy J4 is available with 2 / 3 GB RAM variants. Storage options are listed in the Memory section.

What is the Genze score for Samsung Galaxy J4?

Genze rates Samsung Galaxy J4 4.9/10 based on performance, display, camera, battery, body build, and value versus phones in the same price tier.

Where do these specifications come from?

Specifications are compiled from official manufacturer and carrier sources, reviewed by our editors where possible, and enriched with Genze scores and community feedback. GenZe Rank is not responsible for errors or omissions. Regional variants, firmware updates, and retailer listings may differ from what is shown here—always confirm critical details on the official product page before you buy.

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Battery

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Display

Performance

Heating

Media

Software updates

Clean software (no ads)

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