Apple iPhone 12 mini vs Samsung Galaxy J3

Compare recorded specifications, size and practical differences.

+ Add a third phone

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.

  • Width

    iPhone 12 mini: 6.8 mm narrower

    iPhone 12 mini:
    64.2 mm
    Galaxy J3:
    71 mm
  • Screen diagonal

    Galaxy J3: 0.4 in smaller diagonal

    iPhone 12 mini:
    5.4 in
    Galaxy J3:
    5 in
  • Rear camera layout

    iPhone 12 mini:
    Dual
    Galaxy J3:
    Single
  • Depth

    iPhone 12 mini: 0.5 mm thinner

    iPhone 12 mini:
    7.4 mm
    Galaxy J3:
    7.9 mm
  • Height

    iPhone 12 mini: 10.8 mm shorter

    iPhone 12 mini:
    131.5 mm
    Galaxy J3:
    142.3 mm
  • Release year

    iPhone 12 mini:
    2020
    Galaxy J3:
    2015

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. 1. iPhone 12 mini

    Height:
    131.5 mm
    Width:
    64.2 mm
    Depth:
    7.4 mm
  2. 2. Galaxy J3

    Height:
    142.3 mm +10.8 mm versus iPhone 12 mini
    Width:
    71 mm +6.8 mm versus iPhone 12 mini
    Depth:
    7.9 mm +0.5 mm versus iPhone 12 mini

Weight

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

  1. 1. iPhone 12 mini

    135 g

  2. 2. Galaxy J3

    138 g

    +3 g versus iPhone 12 mini

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. 1. iPhone 12 mini

    Screen diagonal:
    5.4 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    71.6 cm²
  2. 2. Galaxy J3

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²

iPhone 12 mini has approximately 3.9% 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 iPhone 12 mini, Galaxy J3, compared at the same storage capacity.
StorageiPhone 12 miniGalaxy J3
64 GB 4 GB RAM Unknown
128 GB 4 GB RAM Unknown
256 GB 4 GB RAM Unknown
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. iPhone 12 mini

NFC:
Yes
Headphone jack:
No
Memory card support:
No

2. Galaxy J3

NFC:
See details Yes (market dependent)
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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. 1. iPhone 12 mini

    2227 mAh

  2. 2. Galaxy J3

    2600 mAh

    +373 mAh versus iPhone 12 mini

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. iPhone 12 mini2. Galaxy J3

Everyday essentials
Everyday essentials — specifications for iPhone 12 mini, Galaxy J3.
SpecificationiPhone 12 miniGalaxy J3
Dimensions (HxWxD)
  • 131.5 Х 64.2 Х 7.4 mm
  • 142.3 Х 71 Х 7.9 mm
Weight
  • 135 g
  • 138 g
Technology
  • Super Retina XDR OLED
  • Super AMOLED
Screen size
  • 5.4" inc
  • 5" inch
Screen resolution
  • 1080 x 2340 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64GB 4GB RAM
  • 128GB 4GB RAM
  • 256GB 4GB RAM
  • 8/16 GB
  • 1.5/2 GB RAM
Memory card support
  • No
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2227 mAh
  • Li-Ion
  • non-removable
  • 2600 mAh
  • Removable Li-Ion
Operating system OS
  • iOS 14.1
  • Android 5.1.1 (Lollipop) or Android 6.0 (Marshmallow)
  • upgradable to 7.1.1 (Nougat)
Chipset
  • - Apple A14 Bionic (5 nm)
  • Spreadtrum SC9830 -Exynos 3475 Quad (28 nm) USA
NFC
  • Yes
  • Yes (market dependent)
Headphone jack
  • No
  • Yes
Display
Display — specifications for iPhone 12 mini, Galaxy J3.
SpecificationiPhone 12 miniGalaxy J3
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 71.9 cm2
  • 68.9 cm2
Screen format
  • 19.5:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 85.1%
  • 68.2%
PPI /points per inch/ Unknown
  • 294 PPI
Screen protection
  • Scratch-resistant glass
  • oleophobic coating
  • Asahi Dragontrail Glass
Camera and Video

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

Camera and Video — specifications for iPhone 12 mini, Galaxy J3.
SpecificationiPhone 12 miniGalaxy J3
Rear camera, main
  • 12 MP
  • Dual
  • 8 MP
  • Single
Camera specs
  • -12 MP
  • f/1.6
  • 26mm (wide)
  • 1.4µm
  • dual pixel PDAF
  • OIS -12 MP
  • f/2.4
  • 120˚
  • 13mm (ultrawide)
  • 1/3.6''
  • 8 MP
  • f/2.2
  • AF -5 MP
  • AF - USA
Functions
  • HDR
  • LED flash
  • HDR
Video
  • 4K@24/30/60fps
  • 1080p@30/60/120fps
  • gyro-EIS
  • 720p@30fps
Front camera, selfie
  • 12 MP
  • Dual
  • 2 MP
  • Single
Specifications
  • 12 MP
  • f/2.2
  • 23mm (wide)
  • 1/3.6'' SL 3D
  • (depth/biometrics sensor)
  • 2 MP (USA) 5 MP
  • f/2.2 (all other regions)
DxOMark Main Score *
  • 122
Unknown
DxOMark Photo *
  • 101
Unknown
DxOMark Video *
  • 93
Unknown
DxOMark Selfie Score *
  • 98
Unknown
Performance

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

Performance — specifications for iPhone 12 mini, Galaxy J3.
SpecificationiPhone 12 miniGalaxy J3
Processor CPU
  • - Hexa-core (2x3.1 GHz Firestorm + 4x1.8 GHz Icestorm)
  • Quad-core 1.5 GHz Cortex-A7 -Quad-core 1.3 GHz Cortex-A7 USA
Graphics processor GPU
  • - Apple GPU (4-core graphics)
  • Mali-400 -Mali-T720 USA
Antutu 7 score * Unknown
  • 24156
GeekBench 4 Single Core * Unknown
  • 441
GeekBench 4 Multi-Core * Unknown
  • 1159
GeekBench 4 RenderScript * Unknown
  • 740
Antutu 8 score *
  • 614169
Unknown
GeekBench 5 Single Core *
  • 1570
Unknown
GeekBench 5 Multi-Core *
  • 3910
Unknown
General specs
General specs — specifications for iPhone 12 mini, Galaxy J3.
SpecificationiPhone 12 miniGalaxy J3
Release date
  • 2020
  • October 13
  • 2015
  • November
Colors
  • Black
  • White
  • Red
  • Green
  • Blue
  • White
  • Black
  • Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 780 EUR
  • 120 EUR
Battery life
  • Stand by time- Up to 15 h (multimedia) Music play - Up to 50 h
  • Stand by time- Up to 349 h Talking time- Up to 22 h Music play - Up to 77 h
Body build
  • Glass front (Gorilla Glass)
  • glass back (Gorilla Glass)
  • aluminum frame
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for iPhone 12 mini, Galaxy J3.
SpecificationiPhone 12 miniGalaxy J3
SIM card
  • Single SIM (Nano-SIM and/or eSIM)Dual SIM (Nano-SIM
  • dual stand-by) - for China
  • Single SIM (Micro-SIM)Dual SIM (Micro-SIM
  • dual stand-by)Nano-SIM (USA models only)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM) - for China CDMA 800 / 1900 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 CDMA2000 1xEV-DO -4G - 1
  • 2
  • 3
  • 4
  • 5
  • 7
  • 8
  • 12
  • 13
  • 14
  • 17
  • 18
  • 19
  • 20
  • 25
  • 26
  • 28
  • 29
  • 30
  • 32
  • 34
  • 38
  • 39
  • 40
  • 41
  • 42
  • 46
  • 48
  • 66
  • 71 - A2172 -5G - 1
  • 71
  • 77
  • 78
  • 79
  • 260
  • 261 Sub6/mmWave - A2172
  • 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)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A
  • 5G
  • EV-DO Rev.A 3.1 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac/6
  • dual-band
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • QZSS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • Lightning
  • USB 2.0
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 4.0/4.1
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 0.99 W/kg (head) 0.99 W/kg (body)
  • SAR - 1.17 W/kg (head) 1.12 W/kg (body) SAR EU - 0.48 W/kg (head) 0.42 W/kg (body)
Music and Audio
Music and Audio — specifications for iPhone 12 mini, Galaxy J3.
SpecificationiPhone 12 miniGalaxy J3
Radio
  • No
  • FM radio
  • RDS
  • recording (mark
Others
  • - Dolby Vision -Wide color gamut -True-tone -HDR10 -625 nits (typ) -1200 nits (peak)
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for iPhone 12 mini, Galaxy J3.
SpecificationiPhone 12 miniGalaxy J3
Dop
  • - Sensors - Face ID
  • accelerometer
  • gyro
  • proximity
  • compass
  • barometer - Siri natural language commands and dictation - Fast charging 20W
  • 50% in 30 min -USB Power Delivery 2.0 -Qi fast wireless charging 12W - IP68 dust/water resistant (up to 6m for 30 mins) -Apple Pay (Visa
  • MasterCard
  • AMEX certified) - Versions: A2403 (International); A2172 (USA); A2402 (Canada
  • Japan); A2404 (China
  • Hong Kong)
  • 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