LG X screen vs Samsung i637 Jack

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

    i637 Jack: 17.9 g lighter

    X screen:
    120 g
    i637 Jack:
    102.1 g
  • Width

    i637 Jack: 10.8 mm narrower

    X screen:
    71.8 mm
    i637 Jack:
    61 mm
  • Screen diagonal

    i637 Jack: 2.53 in smaller diagonal

    X screen:
    4.93 in
    i637 Jack:
    2.4 in
  • Depth

    X screen: 5.6 mm thinner

    X screen:
    7.1 mm
    i637 Jack:
    12.7 mm
  • Height

    i637 Jack: 25.6 mm shorter

    X screen:
    142.6 mm
    i637 Jack:
    117 mm
  • Release year

    X screen:
    2016
    i637 Jack:
    2009

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. X screen

    Height:
    142.6 mm +25.6 mm versus i637 Jack
    Width:
    71.8 mm +10.8 mm versus i637 Jack
    Depth:
    7.1 mm
  2. 2. i637 Jack

    Height:
    117 mm
    Width:
    61 mm
    Depth:
    12.7 mm +5.6 mm versus X screen

Weight

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

  1. 1. X screen

    120 g

    +17.9 g versus i637 Jack

  2. 2. i637 Jack

    102.1 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. X screen

    Screen diagonal:
    4.93 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    67 cm²
  2. 2. i637 Jack

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

X screen has approximately 275.6% more rectangular screen area than i637 Jack.

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 X screen, i637 Jack, compared at the same storage capacity.
StorageX screeni637 Jack
16 GB 2 GB RAM Unknown
i637 Jack: Original memory entry

256 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. X screen

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

2. i637 Jack

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD · up to 16 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. X screen

    2300 mAh

    +820 mAh versus i637 Jack

  2. 2. i637 Jack

    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. X screen2. i637 Jack

Everyday essentials
Everyday essentials — specifications for X screen, i637 Jack.
SpecificationX screeni637 Jack
Dimensions (HxWxD)
  • 142.6 Х 71.8 Х 7.1 mm
  • 117 Х 61 Х 12.7 mm
Weight
  • 120 g
  • 102.1 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 4.93" inch
  • 2.4" inch
Screen resolution
  • 720 x 1280 px
  • 320 x 240 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 2 GB RAM
  • 256 MB RAM
  • 256 MB ROM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • microSD
  • up to 16 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2300 mAh
  • Non-removable Li-Po
  • 1480 mAh
  • Removable Li-Ion
Operating system OS
  • Android 6.0 (Marshmallow)
  • Microsoft Windows Mobile 6.1 Standard
  • upgradable to Windows Mobile 6.5
Chipset
  • Qualcomm MSM8916 Snapdragon 410 (28 nm)
Unknown
NFC
  • Yes (market dependent)
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for X screen, i637 Jack.
SpecificationX screeni637 Jack
Touchscreen
  • capacitive touchscreen
Unknown
Display colors
  • 16M
  • 65K
Screen area
  • 67.0 cm2
  • 17.8 cm2
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 65.4%
  • 25.0%
PPI /points per inch/
  • 298 PPI
  • 167 PPI
Camera and Video
Camera and Video — specifications for X screen, i637 Jack.
SpecificationX screeni637 Jack
Rear camera, main
  • 13 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 13 MP
  • AF
  • f/2.2
  • 3.15 MP
Functions
  • LED flash
  • panorama
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 8 MP
  • Single
  • 0 MP,
Specifications
  • 8 MP
Unknown
Performance

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

Performance — specifications for X screen, i637 Jack.
SpecificationX screeni637 Jack
Processor CPU
  • Quad-core 1.2 GHz Cortex-A53
  • 528 MHz
Graphics processor GPU
  • Adreno 306
Unknown
Antutu 7 score *
  • 17853
Unknown
General specs
General specs — specifications for X screen, i637 Jack.
SpecificationX screeni637 Jack
Release date
  • 2016
  • February
  • 2009
  • May
Colors
  • Black
  • White
  • Pink Gold
Unknown
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 130 EUR
  • 120 EUR
Battery life
  • Stand by time- Up to 120 h (2G) / Up to 120 h (3G) Talking time- Up to 9 h (2G) / Up to 14 h (3G)
  • Stand by time- Up to 288 h Talking time- Up to 7 h
Communication and Connectivity
Communication and Connectivity — specifications for X screen, i637 Jack.
SpecificationX screeni637 Jack
SIM card
  • Single SIM (Nano-SIM)Dual SIM (Nano-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 - K500N -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 8(900)
  • 20(800) - K500N LTE band 3(1800)
  • 20(800)
  • 38(2600) - K500DS
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 42.2/5.76 Mbps
  • 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
  • DLNA
  • hotspot
  • Wi-Fi 802.11 b/g
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • 2.0
Bluetooth
  • 4.1
  • A2DP
  • LE
  • 2.0
  • A2DP
Harmful irradiation
  • SAR EU - 0.55 W/kg (head)
  • SAR - 1.04 W/kg (head) 0.53 W/kg (body)
Music and Audio
Music and Audio — specifications for X screen, i637 Jack.
SpecificationX screeni637 Jack
Radio
  • FM radio
  • No
Others
  • Secondary display
  • 80 x 520 pixels
  • 1.76 inches
Unknown
Other features
Other features — specifications for X screen, i637 Jack.
SpecificationX screeni637 Jack
Dop
  • Sensors Accelerometer
  • proximity - Versions: K500N (Europe); LG X view K500DS (Russia)
  • Windows Media Player 10 -Windows Live
  • Yahoo!
  • AOL -Microsoft Outlook Mobile -Pocket Office -Voice memo/dial -Predictive text input - For AT&T