Samsung Galaxy J7 Max vs Samsung Galaxy M30s: 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 J7 Max: 9 g lighter

Galaxy J7 Max:

179 g

Galaxy M30s:

188 g
Width

Galaxy M30s: 3.7 mm narrower

Galaxy J7 Max:

78.8 mm

Galaxy M30s:

75.1 mm
Screen diagonal

Galaxy J7 Max: 0.7 in smaller diagonal

Galaxy J7 Max:

5.7 in

Galaxy M30s:

6.4 in
Chipset

Galaxy J7 Max:

Mediatek MT6757 Helio P20 (16 nm)

Galaxy M30s:

Exynos 9611 (10nm)
Rear camera layout

Galaxy J7 Max:

Single

Galaxy M30s:

Triple
Depth

Galaxy J7 Max: 0.8 mm thinner

Galaxy J7 Max:

8.1 mm

Galaxy M30s:

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 J7 Max

Height:

156.7 mm
Width:

78.8 mm +3.7 mm versus Galaxy M30s
Depth:

8.1 mm
2. Galaxy M30s

Height:

159 mm +2.3 mm versus Galaxy J7 Max
Width:

75.1 mm
Depth:

8.9 mm +0.8 mm versus Galaxy J7 Max

Weight

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

1. Galaxy J7 Max

179 g
2. Galaxy M30s

188 g

+9 g versus Galaxy J7 Max

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 J7 Max

Screen diagonal:

5.7 in

Aspect ratio (height:width):

16:9

Approximate rectangular screen area:

89.6 cm²
2. Galaxy M30s

Screen diagonal:

6.4 in

Aspect ratio (height:width):

19.5:9

Approximate rectangular screen area:

100.5 cm²

Galaxy M30s has approximately 12.3% more rectangular screen area than Galaxy J7 Max.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

Galaxy J7 Max: Original memory entry

32 GB · 512GB 4GB

Galaxy M30s: Original memory entry

64GB 4GB RAM · 128GB 6GB RAM · UFS2.1

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 J7 Max

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

2. Galaxy M30s

NFC:: Yes
Headphone jack:: Yes
Memory card support:: See details microSD · up to 1 TB (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 J7 Max

3300 mAh
2. Galaxy M30s

6000 mAh

+2700 mAh versus Galaxy J7 Max

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 J7 Max2. Galaxy M30s

Everyday essentials

Everyday essentials — specifications for Galaxy J7 Max, Galaxy M30s.
Specification	Galaxy J7 Max	Galaxy M30s
Dimensions (HxWxD)	156.7 Х 78.8 Х 8.1 mm	159.0 Х 75.1 Х 8.9 mm
Weight	179 g	188 g
Technology	PLS	Super AMOLED
Screen size	5.7" inch	6.4" inch
Screen resolution	1080 x 1920 px	1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	32 GB 512GB 4GB	64GB 4GB RAM 128GB 6GB RAM UFS2.1
Memory card support	microSD up to 256 GB (dedicated slot)	microSD up to 1 TB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.	3300 mAh Non-removable Li-Ion	6000 mAh Non-removable Li-Po
Operating system OS	Android 7.0 (Nougat) upgradable to Android 8.0 (Oreo)	Android 9.0 (Pie); One UI
Chipset	Mediatek MT6757 Helio P20 (16 nm)	Exynos 9611 (10nm)
NFC	Unknown	Yes
Headphone jack	Yes	Yes

Display

Display — specifications for Galaxy J7 Max, Galaxy M30s.
Specification	Galaxy J7 Max	Galaxy M30s
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	16M
Screen area	89.6 cm2	100.5 cm2
Screen format	16:9 (height:width)	19.5:9 (height:width)
Screen to body ratio	72.5%	84.2%
PPI /points per inch/	386 PPI	403 PPI

Camera and Video

Camera and Video — specifications for Galaxy J7 Max, Galaxy M30s.
Specification	Galaxy J7 Max	Galaxy M30s
Rear camera, main	13 MP Single	48 MP Triple
Camera specs	13 MP AF f/1.7	48 MP f/2.0 (wide) 1/2'' 0.8µm PDAF -8 MP f/2.2 12mm (ultrawide) -5 MP depth sensor
Functions	LED flash	HDR
Video	1080p@30fps	1080p@30fps
Front camera, selfie	13 MP Single	24 MP Single
Specifications	13 MP f/1.9	16 MP f/2.0

Performance

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

Performance — specifications for Galaxy J7 Max, Galaxy M30s.
Specification	Galaxy J7 Max	Galaxy M30s
Processor CPU	Octa-core (4x2.35 GHz Cortex-A53 & 4x1.65 GHz Cortex-A53)	Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
Graphics processor GPU	Mali-T880MP2	Mali-G72 MP3
Antutu 7 score *	44789	155293
GeekBench 4 Single Core *	615	Unknown
GeekBench 4 Multi-Core *	2591	Unknown
GeekBench 4 RenderScript *	1926	Unknown
Antutu 8 score *	Unknown	170068
GeekBench 5 Single Core *	Unknown	325
GeekBench 5 Multi-Core *	Unknown	1205

General specs

General specs — specifications for Galaxy J7 Max, Galaxy M30s.
Specification	Galaxy J7 Max	Galaxy M30s
Release date	2017 June	2019 September
Colors	Black Gold	Opal Black Sapphire Blue Pearl White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.	170 EUR	180 EUR
Battery life	Talking time- Up to 20 h (3G) Music play - Up to 72 h	Talking time- Up to 49 h Music play - Up to 131 h
Body build	aluminum body plastic ends	Front glass plastic body

Communication and Connectivity

Communication and Connectivity — specifications for Galaxy J7 Max, Galaxy M30s.
Specification	Galaxy J7 Max	Galaxy M30s
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 / 1900 / 2100 -4G - LTE band 1(2100) 3(1800) 5(850) 8(900) 20(800) 40(2300)	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100) 3(1800) 5(850) 8(900) 20(800) 40(2300) 41(2500)
Speed	HSPA 42.2/5.76 Mbps LTE Cat4 150/50 Mbps	HSPA LTE-A
GPRS	Yes	Yes
Edge	Yes	Yes
Wi-Fi	Wi-Fi 802.11 a/b/g/n dual-band WiFi Direct hotspot	Wi-Fi 802.11 a/b/g/n/ac dual-band Wi-Fi Direct hotspot
GPS	Yes with A-GPS GLONASS	Yes with A-GPS GLONASS 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 - 0.57 W/kg (head) 1.06 W/kg (body) SAR EU - 0.46 W/kg (head) 1.52 W/kg (body)	SAR - 0.47 W/kg (head)

Music and Audio

Music and Audio — specifications for Galaxy J7 Max, Galaxy M30s.
Specification	Galaxy J7 Max	Galaxy M30s
Radio	FM radio	FM radio RDS recording
Others	Unknown	420 nits Active noise cancellation with dedicated mic -Dolby Atmos sound

Other features

Other features — specifications for Galaxy J7 Max, Galaxy M30s.
Specification	Galaxy J7 Max	Galaxy M30s
Dop	Sensors Fingerprint (front-mounted) accelerometer gyro proximity compass - Versions: G615F/DS (India) Also known as Samsung Galaxy On Max without smart glow ring	Sensors Fingerprint (rear-mounted) accelerometer gyro proximity compass - Fast battery charging 15W - Preliminary specifications

Samsung Galaxy J7 Max vs Samsung Galaxy M30s