Samsung Galaxy J6 vs Samsung Galaxy M31: specs comparison

Key differences

Calculated from recorded specifications using minimum difference thresholds. These are differences, not an overall ranking. For three phones, numeric highlights compare the two extremes.

Weight

Galaxy J6: 37 g lighter

Galaxy J6:

154 g

Galaxy M31:

191 g
Width

Galaxy J6: 4.9 mm narrower

Galaxy J6:

70.2 mm

Galaxy M31:

75.1 mm
Screen diagonal

Galaxy J6: 0.8 in smaller diagonal

Galaxy J6:

5.6 in

Galaxy M31:

6.4 in
Chipset

Galaxy J6:

Exynos 7870 Octa (14 nm)

Galaxy M31:

Exynos 9611 (10nm)
Rear camera layout

Galaxy J6:

Single

Galaxy M31:

Triple
Depth

Galaxy J6: 0.7 mm thinner

Galaxy J6:

8.2 mm

Galaxy M31:

8.9 mm

Physical size

Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps.

1. Galaxy J6

Height:

149.3 mm
Width:

70.2 mm
Depth:

8.2 mm
2. Galaxy M31

Height:

159.2 mm +9.9 mm versus Galaxy J6
Width:

75.1 mm +4.9 mm versus Galaxy J6
Depth:

8.9 mm +0.7 mm versus Galaxy J6

Weight

Bars start at zero and share a scale within this chart.

1. Galaxy J6

154 g
2. Galaxy M31

191 g

+37 g versus Galaxy J6

Screen size

Approximate rectangular screens calculated from recorded diagonal and aspect ratio at one relative scale. Rounded corners and cutouts are not subtracted. These are not phone outlines or calibrated actual sizes.

1. Galaxy J6

Screen diagonal:

5.6 in

Aspect ratio (height:width):

18.5:9

Approximate rectangular screen area:

79.6 cm²
2. Galaxy M31

Screen diagonal:

6.4 in

Aspect ratio (height:width):

19.5:9

Approximate rectangular screen area:

100.5 cm²

Galaxy M31 has approximately 26.3% more rectangular screen area than Galaxy J6.

Memory variants

Each row compares the same storage capacity. Cells show recorded RAM alternatives, not combined maxima. Not recorded does not mean unavailable in every market.

Recorded RAM for Galaxy J6, Galaxy M31, compared at the same storage capacity.
Storage	Galaxy J6	Galaxy M31
64 GB	Unknown	6 GB RAM
128 GB	Unknown	6 GB RAM

Galaxy J6: Original memory entry

64 GB · 4 GB RAM 32 GB · 3 GB RAM

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. Galaxy J6

NFC:: Unknown
Headphone jack:: Yes
Memory card support:: See details microSD · up to 256 GB (dedicated slot)

2. Galaxy M31

NFC:: See details Yes (market/region dependent)
Headphone jack:: Yes
Memory card support:: See details microSDXC (dedicated slot)

Battery capacity

Capacity is not battery life. No endurance test is implied.

Recorded battery capacity

Bars start at zero and share a scale within this chart.

1. Galaxy J6

3000 mAh
2. Galaxy M31

6000 mAh

+3000 mAh versus Galaxy J6

Specifications

Open a section for more detail. On narrow screens, swipe sideways or use Left/Right arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

1. Galaxy J62. Galaxy M31

Everyday essentials

Everyday essentials — specifications for Galaxy J6, Galaxy M31.
Specification	Galaxy J6	Galaxy M31
Dimensions (HxWxD)	149.3 Х 70.2 Х 8.2 mm	159.2 Х 75.1 Х 8.9 mm
Weight	154 g	191 g
Technology	Super AMOLED	Super AMOLED
Screen size	5.6" inch	6.4" inch
Screen resolution	720 x 1480 px	1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	64 GB 4 GB RAM 32 GB 3 GB RAM	64GB 6GB RAM 128GB 6GB RAM
Memory card support	microSD up to 256 GB (dedicated slot)	microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.	3000 mAh Non-removable Li-Ion	6000 mAh Non-removable Li-Po
Operating system OS	Android 8.0 (Oreo)	Android 10.0; One UI 2.0
Chipset	Exynos 7870 Octa (14 nm)	Exynos 9611 (10nm)
NFC	Unknown	Yes (market/region dependent)
Headphone jack	Yes	Yes

Display

Display — specifications for Galaxy J6, Galaxy M31.
Specification	Galaxy J6	Galaxy M31
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	16M
Screen area	80.1 cm2	100.5 cm2
Screen format	18.5:9 (height:width)	19.5:9 (height:width)
Screen to body ratio	76.5%	84.1%
PPI /points per inch/	293 PPI	403 PPI
Screen protection	Corning Gorilla Glass (unspecified version)	Corning Gorilla Glass 3

Camera and Video

Camera and Video — specifications for Galaxy J6, Galaxy M31.
Specification	Galaxy J6	Galaxy M31
Rear camera, main	13 MP Single	64 MP Triple
Camera specs	13 MP f/1.9 28mm (wide) AF	64 MP f/1.8 26mm (wide) 1/1.72" 0.8µm PDAF -8 MP f/2.2 12mm (ultrawide) 1/4.0" 1.12µm -5 MP f/2.4 25mm (macro) 1/5.0" (depth)
Functions	LED flash	HDR
Video	1080p@30fps	2160p@30fps 1080p@30fps
Front camera, selfie	8 MP Single	32 MP Single
Specifications	8 MP f/1.9	32 MP f/2.0 26mm (wide) 1/2.8'' 0.8µm

Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for Galaxy J6, Galaxy M31.
Specification	Galaxy J6	Galaxy M31
Processor CPU	Octa-core 1.6 GHz Cortex-A53	Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
Graphics processor GPU	Mali-T830 MP1	Mali-G72 MP3
Antutu 8 score *	Unknown	194554

General specs

General specs — specifications for Galaxy J6, Galaxy M31.
Specification	Galaxy J6	Galaxy M31
Release date	2018 May	2020 February 25
Colors	Black Gold Blue	Ocean Blue Space Black Red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.	180 EUR	200 EUR
Battery life	Talking time- Up to 21 h (3G) Music play - Up to 76 h	Unknown
Body build	plastic body	Glass front (Gorilla Glass 3) plastic back plastic frame

Communication and Connectivity

Communication and Connectivity — specifications for Galaxy J6, Galaxy M31.
Specification	Galaxy J6	Galaxy M31
SIM card	Dual SIM (Nano-SIM dual stand-by)	Dual SIM (Nano-SIM dual stand-by)
Network	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100) 2(1900) 3(1800) 4(1700/2100) 5(850) 7(2600) 8(900) 12(700) 13(700) 17(700) 20(800) 28(700) 38(2600) 40(2300) 41(2500) 66(1700/2100)	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE (unspecified)
Speed	HSPA LTE	HSPA LTE-A
GPRS	Yes	Yes
Edge	Yes	Yes
Wi-Fi	Wi-Fi 802.11 b/g/n Wi-Fi Direct hotspot	Wi-Fi 802.11 a/b/g/n/ac dual-band Wi-Fi Direct hotspot
GPS	Yes with A-GPS GLONASS BDS	Yes with A-GPS GLONASS GALILEO BDS
USB	microUSB 2.0 USB On-The-Go	2.0 Type-C 1.0 reversible connector
Bluetooth	4.2 A2DP LE	5.0 A2DP LE
Harmful irradiation	SAR EU - 0.81 W/kg (head) 1.57 W/kg (body)	SAR - 0.52 W/kg (head) 0.69 W/kg (body) SAR EU - 0.52 W/kg (head) 0.69 W/kg (body)

Music and Audio

Music and Audio — specifications for Galaxy J6, Galaxy M31.
Specification	Galaxy J6	Galaxy M31
Radio	Stereo FM radio recording	FM radio RDS recording

Other features

Other features — specifications for Galaxy J6, Galaxy M31.
Specification	Galaxy J6	Galaxy M31
Dop	Sensors Fingerprint (rear-mounted) accelerometer proximity - Versions: J600F/DS (Global DS); J600G/DS (India) Also known as Samsung Galaxy On6 in India	Sensors Fingerprint (rear-mounted) accelerometer gyro proximity compass - Fast battery charging 15W - Versions: SM-M315F/DS

Samsung Galaxy J6 vs Samsung Galaxy M31