LG KT610 vs ZTE X990

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

    X990: 35.5 g lighter

    KT610:
    125.5 g
    X990:
    90 g
  • Width

    KT610: 7.1 mm narrower

    KT610:
    53.9 mm
    X990:
    61 mm
  • Depth

    X990: 5.2 mm thinner

    KT610:
    17.2 mm
    X990:
    12 mm
  • Release year

    KT610:
    2008
    X990:
    2010

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. KT610

    Height:
    108.9 mm
    Width:
    53.9 mm
    Depth:
    17.2 mm +5.2 mm versus X990
  2. 2. X990

    Height:
    107 mm
    Width:
    61 mm +7.1 mm versus KT610
    Depth:
    12 mm

Weight

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

  1. 1. KT610

    125.5 g

    +35.5 g versus X990

  2. 2. X990

    90 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. KT610

    Screen diagonal:
    2.4 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    17.8 cm²
  2. 2. X990

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

X990 has approximately 8.5% more rectangular screen area than KT610.

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.

KT610: Original memory entry

64 MB

X990: Original memory entry

5 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. KT610

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD · up to 8 GB (dedicated slot)

2. X990

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD · up to 8 GB (dedicated slot)

Battery capacity

Capacity is not battery life. No endurance test is implied.

At least two unambiguous positive capacity values are needed for a chart. Original entries remain in the specifications.

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. KT6102. X990

Everyday essentials
Everyday essentials — specifications for KT610, X990.
SpecificationKT610X990
Dimensions (HxWxD)
  • 108.9 Х 53.9 Х 17.2 mm
  • 107 Х 61 Х 12 mm
Weight
  • 125.5 g
  • 90 g
Technology
  • TFT
  • TFT
Screen size
  • 2.4" inch
  • 2.5" inch
Screen resolution
  • 320 x 240 px
  • 320 x 240 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 MB
  • 5 MB
Memory card support
  • microSD
  • up to 8 GB (dedicated slot)
  • microSD
  • up to 8 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 960 mAh
  • Removable Li-Po
  • 0 mAh,
Operating system OS
  • Symbian 9.2
  • S60 rel. 3.1
  • Microsoft Windows Mobile 6.5 Professional
Headphone jack
  • No
  • No
Display
Display — specifications for KT610, X990.
SpecificationKT610X990
Touchscreen Unknown
  • resistive touchscreen
Display colors
  • 256K
  • 256K
Screen area
  • 17.8 cm2
  • 19.4 cm2
Screen format
  • 4:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 30.4%
  • 29.7%
PPI /points per inch/
  • 167 PPI
  • 160 PPI
Camera and Video
Camera and Video — specifications for KT610, X990.
SpecificationKT610X990
Rear camera, main
  • 2 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 2 MP
  • 2 MP
Video
  • Yes
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Specifications
  • VGA videocall camera
Unknown
General specs
General specs — specifications for KT610, X990.
SpecificationKT610X990
Release date
  • 2008
  • February
  • 2010
  • March
Colors
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 100 EUR
Unknown
Battery life Unknown
  • Stand by time- Up to 480 h Talking time- Up to 8 h
Communication and Connectivity
Communication and Connectivity — specifications for KT610, X990.
SpecificationKT610X990
SIM card
  • Mini-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
Unknown
Speed
  • HSPA 3.6/0.384 Mbps
Unknown
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • No
  • No
GPS
  • Yes
  • No
USB
  • Proprietary
  • microUSB 2.0
Bluetooth
  • 2.0
  • 2.0
  • A2DP
Harmful irradiation
  • SAR - 0.54 W/kg (head) 1.32 W/kg (body)
  • SAR EU - 0.96 W/kg (head)
Music and Audio
Music and Audio — specifications for KT610, X990.
SpecificationKT610X990
Radio
  • No
  • Stereo FM radio
  • RDS
Others
  • Second external 4 line 256K display
  • 1.45 inches -Downloadable themes
Unknown
Other features
Other features — specifications for KT610, X990.
SpecificationKT610X990
Dop
  • WMV/RV/MP4/3GP player -MP3/WMA/WAV/RA/AAC/M4A player -Voice command/dial -Document viewer (Word
  • Excel
  • PowerPoint
  • PDF) -Photo/video editor
  • Windows Live Messenger -MP3/WMA/eAAC+ player -MP4/H.264 player -MS Office -Organizer -Voice memo -Predictive text input Also known as Messenger by SFR 251 Edition