Samsung Galaxy J7 Duo vs Samsung i550

Compare recorded specifications, size and practical differences.

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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

    i550: 65 g lighter

    Galaxy J7 Duo:
    174 g
    i550:
    109 g
  • Width

    i550: 24.2 mm narrower

    Galaxy J7 Duo:
    77.2 mm
    i550:
    53 mm
  • Screen diagonal

    i550: 2.9 in smaller diagonal

    Galaxy J7 Duo:
    5.5 in
    i550:
    2.6 in
  • Chipset

    Galaxy J7 Duo:
    Exynos 7885 Octa (14 nm)
    i550:
    TI OMAP 2430
  • Rear camera layout

    Galaxy J7 Duo:
    Dual
    i550:
    Single
  • Depth

    Galaxy J7 Duo: 5.6 mm thinner

    Galaxy J7 Duo:
    8.2 mm
    i550:
    13.8 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. 1. Galaxy J7 Duo

    Height:
    153.5 mm +38.5 mm versus i550
    Width:
    77.2 mm +24.2 mm versus i550
    Depth:
    8.2 mm
  2. 2. i550

    Height:
    115 mm
    Width:
    53 mm
    Depth:
    13.8 mm +5.6 mm versus Galaxy J7 Duo

Weight

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

  1. 1. Galaxy J7 Duo

    174 g

    +65 g versus i550

  2. 2. i550

    109 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. 1. Galaxy J7 Duo

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. i550

    Screen diagonal:
    2.6 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    20.9 cm²

Galaxy J7 Duo has approximately 298.4% more rectangular screen area than i550.

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 Duo: Original memory entry

32 GB · 512GB 4GB

i550: Original memory entry

150 MB

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 Duo

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

2. i550

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD (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. Galaxy J7 Duo

    3000 mAh

    +1800 mAh versus i550

  2. 2. i550

    1200 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 J7 Duo2. i550

Everyday essentials
Everyday essentials — specifications for Galaxy J7 Duo, i550.
SpecificationGalaxy J7 Duoi550
Dimensions (HxWxD)
  • 153.5 Х 77.2 Х 8.2 mm
  • 115 Х 53 Х 13.8 mm
Weight
  • 174 g
  • 109 g
Technology
  • Super AMOLED
  • TFT
Screen size
  • 5.5" inch
  • 2.6" inch
Screen resolution
  • 720 x 1280 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 512GB 4GB
  • 150 MB
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • microSD (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Removable Li-Ion
  • 1200 mAh
  • Removable Li-Ion
Operating system OS
  • Android 8.0 (Oreo)
  • Symbian OS 9.2
  • Series 60 v3.1 UI
Chipset
  • Exynos 7885 Octa (14 nm)
  • TI OMAP 2430
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Galaxy J7 Duo, i550.
SpecificationGalaxy J7 Duoi550
Touchscreen
  • capacitive touchscreen
Unknown
Display colors
  • 16M
  • 256K
Screen area
  • 83.4 cm2
  • 20.9 cm2
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 70.4%
  • 34.3%
PPI /points per inch/
  • 267 PPI
  • 154 PPI
Camera and Video
Camera and Video — specifications for Galaxy J7 Duo, i550.
SpecificationGalaxy J7 Duoi550
Rear camera, main
  • 13 MP
  • Dual
  • 3.15 MP
  • Single
Camera specs
  • 13 MP
  • f/1.9
  • AF -5 MP
  • depth sensor
  • 3.15 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 8 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 8 MP
  • f/1.9
  • VGA videocall camera
Performance
Performance — specifications for Galaxy J7 Duo, i550.
SpecificationGalaxy J7 Duoi550
Processor CPU
  • Octa-core (2x2.2 GHz Cortex-A73 & 6x1.6 GHz Cortex-A53)
  • 330 MHz ARM 1136
Graphics processor GPU
  • Mali-G71
  • PowerVR MBX
General specs
General specs — specifications for Galaxy J7 Duo, i550.
SpecificationGalaxy J7 Duoi550
Release date
  • 2018
  • April
  • 2007
  • August
Colors
  • Black
  • Gold
  • Rose Gold
  • White
  • Black
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 240 EUR
  • 130 EUR
Battery life Unknown
  • Stand by time- Up to 360 h Talking time- Up to 8 h
Communication and Connectivity
Communication and Connectivity — specifications for Galaxy J7 Duo, i550.
SpecificationGalaxy J7 Duoi550
SIM card
  • Single SIM (Micro-SIM)Dual SIM (Micro-SIM
  • dual stand-by)
  • 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)
  • 38(2600)
  • 40(2300)
  • 41(2500)
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
Speed
  • HSPA
  • LTE Cat4 150/50 Mbps
  • HSPA 3.6/0.384 Mbps
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 b/g (Samsung i550w only)
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
USB
  • Yes
  • 2.0
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 2.0
  • A2DP
Harmful irradiation Unknown
  • SAR - 0.32 W/kg (head) 0.41 W/kg (body) SAR EU - 0.72 W/kg (head)
Music and Audio
Music and Audio — specifications for Galaxy J7 Duo, i550.
SpecificationGalaxy J7 Duoi550
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Galaxy J7 Duo, i550.
SpecificationGalaxy J7 Duoi550
Dop
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • proximity - ANT+
  • WMV/RV/MP4/3GP player -MP3/WMA/WAV/RA/AAC/M4A player -Organizer -Document viewer (Word
  • Excel
  • PowerPoint
  • PDF) - Trackball - Also version Samsung i550w with WLAN