Samsung Galaxy J3 vs Xiaomi Redmi Note 9S: 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.

Display technology

OLED versus LCD

Galaxy J3:

OLED

Redmi Note 9S:

LCD
Weight

Galaxy J3: 71 g lighter

Galaxy J3:

138 g

Redmi Note 9S:

209 g
Width

Galaxy J3: 5.7 mm narrower

Galaxy J3:

71 mm

Redmi Note 9S:

76.7 mm
Screen diagonal

Galaxy J3: 1.67 in smaller diagonal

Galaxy J3:

5 in

Redmi Note 9S:

6.67 in
Rear camera layout

Galaxy J3:

Single

Redmi Note 9S:

Quad
Depth

Galaxy J3: 0.9 mm thinner

Galaxy J3:

7.9 mm

Redmi Note 9S:

8.8 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 J3

Height:

142.3 mm
Width:

71 mm
Depth:

7.9 mm
2. Redmi Note 9S

Height:

165.8 mm +23.5 mm versus Galaxy J3
Width:

76.7 mm +5.7 mm versus Galaxy J3
Depth:

8.8 mm +0.9 mm versus Galaxy J3

Weight

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

1. Galaxy J3

138 g
2. Redmi Note 9S

209 g

+71 g versus Galaxy J3

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 J3

Screen diagonal:

5 in

Aspect ratio (height:width):

16:9

Approximate rectangular screen area:

68.9 cm²
2. Redmi Note 9S

Screen diagonal:

6.67 in

Aspect ratio (height:width):

20:9

Approximate rectangular screen area:

107.4 cm²

Redmi Note 9S has approximately 55.8% more rectangular screen area than Galaxy J3.

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 J3, Redmi Note 9S, compared at the same storage capacity.
Storage	Galaxy J3	Redmi Note 9S
64 GB	Unknown	4 GB RAM
128 GB	Unknown	6 GB RAM

Galaxy J3: Original memory entry

8/16 GB · 1.5/2 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 J3

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

2. Redmi Note 9S

NFC:: Unknown
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 J3

2600 mAh
2. Redmi Note 9S

5020 mAh

+2420 mAh versus Galaxy J3

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 J32. Redmi Note 9S

Everyday essentials

Everyday essentials — specifications for Galaxy J3, Redmi Note 9S.
Specification	Galaxy J3	Redmi Note 9S
Dimensions (HxWxD)	142.3 Х 71 Х 7.9 mm	165.8 Х 76.7 Х 8.8 mm
Weight	138 g	209 g
Technology	Super AMOLED	IPS LCD
Screen size	5" inch	6.67" inch
Screen resolution	720 x 1280 px	1080 x 2400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	8/16 GB 1.5/2 GB RAM	64GB 4GB 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.	2600 mAh Removable Li-Ion	5020 mAh Non-removable Li-Po
Operating system OS	Android 5.1.1 (Lollipop) or Android 6.0 (Marshmallow) upgradable to 7.1.1 (Nougat)	Android 10.0; MIUI 11
Chipset	Spreadtrum SC9830 -Exynos 3475 Quad (28 nm) USA	Qualcomm SM7125 Snapdragon 720G (8 nm)
NFC	Yes (market dependent)	Unknown
Headphone jack	Yes	Yes

Display

Display — specifications for Galaxy J3, Redmi Note 9S.
Specification	Galaxy J3	Redmi Note 9S
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	16M
Screen area	68.9 cm2	107.4 cm2
Screen format	16:9 (height:width)	20:9 (height:width)
Screen to body ratio	68.2%	84.5%
PPI /points per inch/	294 PPI	395 PPI
Screen protection	Asahi Dragontrail Glass	Corning Gorilla Glass 5

Camera and Video

Camera and Video — specifications for Galaxy J3, Redmi Note 9S.
Specification	Galaxy J3	Redmi Note 9S
Rear camera, main	8 MP Single	48 MP Quad
Camera specs	8 MP f/2.2 AF -5 MP AF - USA	48 MP f/1.8 26mm (wide) 1/2.0'' 0.8µm PDAF -8 MP f/2.2 13mm (ultrawide) 1/4.0'' 1.12µm -5 MP f/2.4 (macro) 1.12µm -2 MP (depth)
Functions	LED flash HDR	HDR panorama
Video	720p@30fps	1080p@30fps
Front camera, selfie	2 MP Single	16 MP Single
Specifications	2 MP (USA) 5 MP f/2.2 (all other regions)	16 MP f/2.5 (wide) 1.0µm

Performance

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

Performance — specifications for Galaxy J3, Redmi Note 9S.
Specification	Galaxy J3	Redmi Note 9S
Processor CPU	Quad-core 1.5 GHz Cortex-A7 -Quad-core 1.3 GHz Cortex-A7 USA	Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver)
Graphics processor GPU	Mali-400 -Mali-T720 USA	Adreno 618
Antutu 7 score *	24156	Unknown
GeekBench 4 Single Core *	441	Unknown
GeekBench 4 Multi-Core *	1159	Unknown
GeekBench 4 RenderScript *	740	Unknown

General specs

General specs — specifications for Galaxy J3, Redmi Note 9S.
Specification	Galaxy J3	Redmi Note 9S
Release date	2015 November	2020 March 23
Colors	White Black Gold	Aurora Blue Glacier white Interstellar Gray
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.	120 EUR	$ 199
Battery life	Stand by time- Up to 349 h Talking time- Up to 22 h Music play - Up to 77 h	Unknown
Body build	plastic body	Glass front (Gorilla Glass 5) glass back (Gorilla Glass 5) plastic frame

Communication and Connectivity

Communication and Connectivity — specifications for Galaxy J3, Redmi Note 9S.
Specification	Galaxy J3	Redmi Note 9S
SIM card	Single SIM (Micro-SIM)Dual SIM (Micro-SIM dual stand-by)Nano-SIM (USA models only)	Dual SIM (Nano-SIM dual stand-by)
Network	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100) 3(1800) 5(850) 7(2600) 8(900) 20(800)	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) 20(800) 28(700) 38(2600) 40(2300)
Speed	HSPA 42.2/5.76 Mbps LTE Cat4 150/50 Mbps	HSPA 42.2/5.76 Mbps 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	Yes with A-GPS GLONASS GALILEO BDS
USB	microUSB 2.0 USB On-The-Go	2.0 Type-C 1.0 reversible connector
Bluetooth	4.0/4.1 A2DP LE	5.0 A2DP LE
Harmful irradiation	SAR - 1.17 W/kg (head) 1.12 W/kg (body) SAR EU - 0.48 W/kg (head) 0.42 W/kg (body)	Unknown

Music and Audio

Music and Audio — specifications for Galaxy J3, Redmi Note 9S.
Specification	Galaxy J3	Redmi Note 9S
Radio	FM radio RDS recording (mark	FM radio recording
Others	Active noise cancellation with dedicated mic	450 nits typ. brightness (advertised)

Other features

Other features — specifications for Galaxy J3, Redmi Note 9S.
Specification	Galaxy J3	Redmi Note 9S
Dop	Sensors Accelerometer proximity - Versions: J320FN (Europe); J320F (EMEA); J320F/DD (India); J320A (AT&T); J320P (Sprint Virgin Mobile Boost); Galaxy Amp Prime (Cricket); Galaxy J3 V (Verizon); J320M (LATAM); J320G (Asia). Also know	Sensors Fingerprint (side-mounted) accelerometer gyro proximity compass Infrared port - Fast charging 18W - Splash-proof

Samsung Galaxy J3 vs Xiaomi Redmi Note 9S

Samsung Galaxy J3

Xiaomi Redmi Note 9S

Key differences