LG KT770 vs Samsung Galaxy J3 (2018)

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.

  • Width

    KT770: 18.6 mm narrower

    KT770:
    51.5 mm
    Galaxy J3 (2018):
    70.1 mm
  • Screen diagonal

    KT770: 2.2 in smaller diagonal

    KT770:
    2.8 in
    Galaxy J3 (2018):
    5 in
  • Depth

    Galaxy J3 (2018): 6.9 mm thinner

    KT770:
    15.8 mm
    Galaxy J3 (2018):
    8.9 mm
  • Height

    KT770: 31.7 mm shorter

    KT770:
    111 mm
    Galaxy J3 (2018):
    142.7 mm
  • Release year

    KT770:
    2009
    Galaxy J3 (2018):
    2018

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. KT770

    Height:
    111 mm
    Width:
    51.5 mm
    Depth:
    15.8 mm +6.9 mm versus Galaxy J3 (2018)
    Weight:
    Unknown
  2. 2. Galaxy J3 (2018)

    Height:
    142.7 mm +31.7 mm versus KT770
    Width:
    70.1 mm +18.6 mm versus KT770
    Depth:
    8.9 mm
    Weight:
    152 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. KT770

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    22.3 cm²
  2. 2. Galaxy J3 (2018)

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

Galaxy J3 (2018) has approximately 208.8% more rectangular screen area than KT770.

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 KT770, Galaxy J3 (2018), compared at the same storage capacity.
StorageKT770Galaxy J3 (2018)
16 GB Unknown 2 GB RAM
KT770: Original memory entry

120 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. KT770

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD · up to 16 GB (dedicated slot)

2. Galaxy J3 (2018)

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

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. KT770

    950 mAh

  2. 2. Galaxy J3 (2018)

    2600 mAh

    +1650 mAh versus KT770

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. KT7702. Galaxy J3 (2018)

Everyday essentials
Everyday essentials — specifications for KT770, Galaxy J3 (2018).
SpecificationKT770Galaxy J3 (2018)
Dimensions (HxWxD)
  • 111 Х 51.5 Х 15.8 mm
  • 142.7 Х 70.1 Х 8.9 mm
Weight
  • 0 g
  • 152 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.8" inch
  • 5" inch
Screen resolution
  • 240 x 400 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 120 MB
  • 16 GB
  • 2 GB RAM
Memory card support
  • microSD
  • up to 16 GB (dedicated slot)
  • microSD
  • up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 950 mAh
  • Removable Li-Ion
  • 2600 mAh
  • Removable Li-Ion
Operating system OS
  • Symbian OS 9.3 Series60 rel. 3.2.3
  • Android 8.0 (Oreo)
Chipset Unknown
  • Exynos 7570 Quad (14 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for KT770, Galaxy J3 (2018).
SpecificationKT770Galaxy J3 (2018)
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 256K
  • 16M
Screen area
  • 22.3 cm2
  • 68.9 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 39.0%
  • 68.9%
PPI /points per inch/
  • 167 PPI
  • 294 PPI
Camera and Video
Camera and Video — specifications for KT770, Galaxy J3 (2018).
SpecificationKT770Galaxy J3 (2018)
Rear camera, main
  • 5 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 8 MP
  • AF
  • f/1.9
Functions
  • LED flash
  • LED flash
  • panorama
  • HDR
Video
  • 480p@30fps
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 5 MP
  • Single
Specifications
  • VGA videocall camera
  • 5 MP
  • f/2.2
Performance
Performance — specifications for KT770, Galaxy J3 (2018).
SpecificationKT770Galaxy J3 (2018)
Processor CPU Unknown
  • Quad-core 1.4 GHz Cortex-A53
Graphics processor GPU Unknown
  • Mali-T720
General specs
General specs — specifications for KT770, Galaxy J3 (2018).
SpecificationKT770Galaxy J3 (2018)
Release date
  • 2009
  • February
  • 2018
  • June
Colors
  • Black
  • Black
  • Blue
  • Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 150 EUR
Communication and Connectivity
Communication and Connectivity — specifications for KT770, Galaxy J3 (2018).
SpecificationKT770Galaxy J3 (2018)
SIM card
  • Mini-SIM
  • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 1900 / 2100 - AT&T -4G - LTE LTE band 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 12(700)
  • 14(700) - AT&T
Speed
  • HSPA 7.2/0.384 Mbps
  • HSPA
  • LTE
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g
  • Wi-Fi 802.11 b/g/n
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • Proprietary
  • microUSB 2.0
Bluetooth
  • 2.0
  • 4.2
  • A2DP
  • LE
Harmful irradiation
  • SAR - 0.36 W/kg (head) 0.75 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for KT770, Galaxy J3 (2018).
SpecificationKT770Galaxy J3 (2018)
Radio
  • No
  • FM radio
Others
  • Touch-sensitive navigation keys
Unknown
Other features
Other features — specifications for KT770, Galaxy J3 (2018).
SpecificationKT770Galaxy J3 (2018)
Dop
  • WMV/RV/MP4/3GP player -MP3/WMA/WAV/RA/AAC/M4A player -Organizer -Document viewer (Word
  • Excel
  • PowerPoint
  • PDF) -Voice memo -Predictive text input
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Also known as Samsung Galaxy J3 Star for T-Mobile; Galaxy Amp Prime 3 for Cricket