Samsung Galaxy J7 vs Samsung i780

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

    i780: 51 g lighter

    Galaxy J7:
    171 g
    i780:
    120 g
  • Width

    i780: 17.4 mm narrower

    Galaxy J7:
    78.7 mm
    i780:
    61.3 mm
  • Screen diagonal

    i780: 2.95 in smaller diagonal

    Galaxy J7:
    5.5 in
    i780:
    2.55 in
  • Depth

    Galaxy J7: 5.4 mm thinner

    Galaxy J7:
    7.5 mm
    i780:
    12.9 mm
  • Height

    i780: 36.3 mm shorter

    Galaxy J7:
    152.2 mm
    i780:
    115.9 mm
  • Release year

    Galaxy J7:
    2015
    i780:
    2007

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

    Height:
    152.2 mm +36.3 mm versus i780
    Width:
    78.7 mm +17.4 mm versus i780
    Depth:
    7.5 mm
  2. 2. i780

    Height:
    115.9 mm
    Width:
    61.3 mm
    Depth:
    12.9 mm +5.4 mm versus Galaxy J7

Weight

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

  1. 1. Galaxy J7

    171 g

    +51 g versus i780

  2. 2. i780

    120 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

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. i780

    Screen diagonal:
    2.55 in
    Aspect ratio (height:width):
    1:1
    Approximate rectangular screen area:
    21 cm²

Galaxy J7 has approximately 297.6% more rectangular screen area than i780.

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: Original memory entry

16 GB · 1.5 GB RAM

i780: Original memory entry

128 MB RAM · 256 MB ROM

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

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

2. i780

NFC:
Unknown
Headphone jack:
No
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

    3000 mAh

    +1520 mAh versus i780

  2. 2. i780

    1480 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 J72. i780

Everyday essentials
Everyday essentials — specifications for Galaxy J7, i780.
SpecificationGalaxy J7i780
Dimensions (HxWxD)
  • 152.2 Х 78.7 Х 7.5 mm
  • 115.9 Х 61.3 Х 12.9 mm
Weight
  • 171 g
  • 120 g
Technology
  • Super AMOLED
  • TFT
Screen size
  • 5.5" inch
  • 2.55" inch
Screen resolution
  • 720 x 1280 px
  • 320 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 1.5 GB RAM
  • 128 MB RAM
  • 256 MB ROM
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
  • 1480 mAh
  • Removable Li-Ion
Operating system OS
  • Android 5.1 (Lollipop)
  • upgradable to 6.0.1 (Marshmallow)
  • Microsoft Windows Mobile 6.0 Professional
Chipset
  • Qualcomm MSM8939 Snapdragon 615 (28 nm) -Exynos 7580 Octa
Unknown
NFC
  • Yes (Snapdragon model only)
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for Galaxy J7, i780.
SpecificationGalaxy J7i780
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 83.4 cm2
  • 21.0 cm2
Screen format
  • 16:9 (height:width)
  • 1:1 (height:width)
Screen to body ratio
  • 69.6%
  • 29.5%
PPI /points per inch/
  • 267 PPI
  • 177 PPI
Camera and Video
Camera and Video — specifications for Galaxy J7, i780.
SpecificationGalaxy J7i780
Rear camera, main
  • 13 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 13 MP
  • f/1.9
  • 28mm (wide)
  • AF
  • 2 MP
Functions
  • LED flash
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 5 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 5 MP
  • f/2.2
  • 23mm (wide)
  • VGA videocall camera
Performance

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

Performance — specifications for Galaxy J7, i780.
SpecificationGalaxy J7i780
Processor CPU
  • Octa-core (4x1.4 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53) -Octa-core 1.5 GHz Cortex-A53
  • 32-bit Marvell PXA310 624 MHz
Graphics processor GPU
  • Adreno 405 -Mali-T720MP2
Unknown
GeekBench 4 Single Core *
  • 693
Unknown
GeekBench 4 Multi-Core *
  • 3327
Unknown
GeekBench 4 RenderScript *
  • 1997
Unknown
General specs
General specs — specifications for Galaxy J7, i780.
SpecificationGalaxy J7i780
Release date
  • 2015
  • June
  • 2007
  • September
Colors
  • White
  • Black
  • Gold
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 200 EUR
  • 150 EUR
Battery life
  • Talking time- Up to 18 h (3G) Music play - Up to 76 h
  • Stand by time- Up to 400 h Talking time- Up to 7 h
Body build
  • plastic body
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Galaxy J7, i780.
SpecificationGalaxy J7i780
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)
  • 40(2300)
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
Speed
  • HSPA 21.1/5.76 MbpsHSPA
  • LTE Cat4 150/50 Mbps
  • HSPA 3.6/0.384 Mbps
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11b/g
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • Proprietary
Bluetooth
  • 4.1
  • A2DP
  • 2.0
  • A2DP
Harmful irradiation
  • SAR - 1.25 W/kg (head) 1.36 W/kg (body) SAR EU - 0.50 W/kg (head) 0.37 W/kg (body)
  • SAR - 0.48 W/kg (head) 0.73 W/kg (body) SAR EU - 0.51 W/kg (head)
Music and Audio
Music and Audio — specifications for Galaxy J7, i780.
SpecificationGalaxy J7i780
Radio
  • FM radio
  • RDS
  • recording
  • No
Other features
Other features — specifications for Galaxy J7, i780.
SpecificationGalaxy J7i780
Dop
  • Sensors Accelerometer
  • proximity - ANT+ - Versions: J700F (India
  • Thailand); J700M (LATAM); J700M/DS (Brazil); J700H with no LTE (South Africa
  • Pakistan
  • Vietnam
  • Philippines
  • Russia); J700T (T-Mobile
  • Metro PCS); J700P (Virgin Mobile
  • Boost)
  • Pocket Office -Voice memo -Callia Player
  • Callia Reader -Photo Slides -SmartConverter -MP3/AAC/AAC+/WMA/OGG/AMR player -WMV/MP4 player - Optical trackpad