Samsung Galaxy J3 vs Samsung Galaxy S2: 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 S2: 22 g lighter

Galaxy J3:

138 g

Galaxy S2:

116 g
Width

Galaxy S2: 4.9 mm narrower

Galaxy J3:

71 mm

Galaxy S2:

66.1 mm
Screen diagonal

Galaxy S2: 0.7 in smaller diagonal

Galaxy J3:

5 in

Galaxy S2:

4.3 in
Depth

Galaxy J3: 0.6 mm thinner

Galaxy J3:

7.9 mm

Galaxy S2:

8.5 mm
Height

Galaxy S2: 17 mm shorter

Galaxy J3:

142.3 mm

Galaxy S2:

125.3 mm
Release year

Galaxy J3:

2015

Galaxy S2:

2011

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 +17 mm versus Galaxy S2
Width:

71 mm +4.9 mm versus Galaxy S2
Depth:

7.9 mm
2. Galaxy S2

Height:

125.3 mm
Width:

66.1 mm
Depth:

8.5 mm +0.6 mm versus Galaxy J3

Weight

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

1. Galaxy J3

138 g

+22 g versus Galaxy S2
2. Galaxy S2

116 g

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. Galaxy S2

Screen diagonal:

4.3 in

Aspect ratio (height:width):

5:3

Approximate rectangular screen area:

52.6 cm²

Galaxy J3 has approximately 31% more rectangular screen area than Galaxy S2.

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, Galaxy S2, compared at the same storage capacity.
Storage	Galaxy J3	Galaxy S2
16 GB	Unknown	1 GB RAM
32 GB	Unknown	1 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. Galaxy S2

NFC:: See details Optional
Headphone jack:: Yes
Memory card support:: See details microSD · up to 32 GB (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

+950 mAh versus Galaxy S2
2. Galaxy S2

1650 mAh

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. Galaxy S2

Everyday essentials

Everyday essentials — specifications for Galaxy J3, Galaxy S2.
Specification	Galaxy J3	Galaxy S2
Dimensions (HxWxD)	142.3 Х 71 Х 7.9 mm	125.3 Х 66.1 Х 8.5 mm
Weight	138 g	116 g
Technology	Super AMOLED	Super AMOLED Plus
Screen size	5" inch	4.3" inch
Screen resolution	720 x 1280 px	480 x 800 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	16/32 GB 1 GB RAM
Memory card support	microSD up to 256 GB (dedicated slot)	microSD up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.	2600 mAh Removable Li-Ion	1650 mAh Removable Li-Ion
Operating system OS	Android 5.1.1 (Lollipop) or Android 6.0 (Marshmallow) upgradable to 7.1.1 (Nougat)	Android 2.3.4 (Gingerbread) upgradable to 4.1 (Jelly Bean); TouchWiz UI 4
Chipset	Spreadtrum SC9830 -Exynos 3475 Quad (28 nm) USA	Exynos 4210 Dual
NFC	Yes (market dependent)	Optional
Headphone jack	Yes	Yes

Display

Display — specifications for Galaxy J3, Galaxy S2.
Specification	Galaxy J3	Galaxy S2
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	16M
Screen area	68.9 cm2	52.6 cm2
Screen format	16:9 (height:width)	5:3 (height:width)
Screen to body ratio	68.2%	63.5%
PPI /points per inch/	294 PPI	217 PPI
Screen protection	Asahi Dragontrail Glass	Corning Gorilla Glass

Camera and Video

Camera and Video — specifications for Galaxy J3, Galaxy S2.
Specification	Galaxy J3	Galaxy S2
Rear camera, main	8 MP Single	8 MP Single
Camera specs	8 MP f/2.2 AF -5 MP AF - USA	8 MP f/2.6 1/3.2'' AF
Functions	LED flash HDR	LED flash
Video	720p@30fps	1080p@30fps
Front camera, selfie	2 MP Single	2 MP Single
Specifications	2 MP (USA) 5 MP f/2.2 (all other regions)	2 MP

Performance

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

Performance — specifications for Galaxy J3, Galaxy S2.
Specification	Galaxy J3	Galaxy S2
Processor CPU	Quad-core 1.5 GHz Cortex-A7 -Quad-core 1.3 GHz Cortex-A7 USA	Dual-core 1.2 GHz Cortex-A9
Graphics processor GPU	Mali-400 -Mali-T720 USA	Mali-400MP4
Antutu 7 score *	24156	9100
GeekBench 4 Single Core *	441	415
GeekBench 4 Multi-Core *	1159	639
GeekBench 4 RenderScript *	740	346

General specs

General specs — specifications for Galaxy J3, Galaxy S2.
Specification	Galaxy J3	Galaxy S2
Release date	2015 November	2011 February. Released 2011 April
Colors	White Black Gold	Black White Pink
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.	120 EUR	170 EUR
Battery life	Stand by time- Up to 349 h Talking time- Up to 22 h Music play - Up to 77 h	Stand by time- Up to 710 h (2G) / Up to 610 h (3G) Talking time- Up to 18 h 20 min (2G) / Up to 8 h 40 min (3G)
Body build	plastic body	plastic body

Communication and Connectivity

Communication and Connectivity — specifications for Galaxy J3, Galaxy S2.
Specification	Galaxy J3	Galaxy S2
SIM card	Single SIM (Micro-SIM)Dual SIM (Micro-SIM dual stand-by)Nano-SIM (USA models only)	Mini-SIM
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
Speed	HSPA 42.2/5.76 Mbps LTE Cat4 150/50 Mbps	HSPA 21.1/5.76 Mbps
GPRS	Yes	Class 12
Edge	Yes	Yes
Wi-Fi	Wi-Fi 802.11 b/g/n Wi-Fi Direct hotspot	Wi-Fi 802.11 a/b/g/n dual-band Wi-Fi Direct DLNA hotspot
GPS	Yes with A-GPS GLONASS	Yes with A-GPS
USB	microUSB 2.0 USB On-The-Go	microUSB 2.0 (MHL TV-out) USB Host
Bluetooth	4.0/4.1 A2DP LE	3.0 A2DP aptX
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)	SAR - 0.16 W/kg (head) 0.96 W/kg (body) SAR EU - 0.34 W/kg (head)

Music and Audio

Music and Audio — specifications for Galaxy J3, Galaxy S2.
Specification	Galaxy J3	Galaxy S2
Radio	FM radio RDS recording (mark	Stereo FM radio RDS
Others	Active noise cancellation with dedicated mic	Active noise cancellation with dedicated mic

Other features

Other features — specifications for Galaxy J3, Galaxy S2.
Specification	Galaxy J3	Galaxy S2
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 Accelerometer gyro proximity compass

Samsung Galaxy J3 vs Samsung Galaxy S2