LG KT770 vs Sony Xperia XZ2 Premium

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: 28.5 mm narrower

    KT770:
    51.5 mm
    Xperia XZ2 Premium:
    80 mm
  • Screen diagonal

    KT770: 3 in smaller diagonal

    KT770:
    2.8 in
    Xperia XZ2 Premium:
    5.8 in
  • Rear camera layout

    KT770:
    Single
    Xperia XZ2 Premium:
    Dual
  • Depth

    Xperia XZ2 Premium: 3.9 mm thinner

    KT770:
    15.8 mm
    Xperia XZ2 Premium:
    11.9 mm
  • Height

    KT770: 47 mm shorter

    KT770:
    111 mm
    Xperia XZ2 Premium:
    158 mm
  • Release year

    KT770:
    2009
    Xperia XZ2 Premium:
    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 +3.9 mm versus Xperia XZ2 Premium
    Weight:
    Unknown
  2. 2. Xperia XZ2 Premium

    Height:
    158 mm +47 mm versus KT770
    Width:
    80 mm +28.5 mm versus KT770
    Depth:
    11.9 mm
    Weight:
    236 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. Xperia XZ2 Premium

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

Xperia XZ2 Premium has approximately 315.6% 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, Xperia XZ2 Premium, compared at the same storage capacity.
StorageKT770Xperia XZ2 Premium
64 GB Unknown 6 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. Xperia XZ2 Premium

NFC:
Yes
Headphone jack:
No
Memory card support:
See details microSD · up to 512 GB (uses SIM 2 slot) - dual SIM model only

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. Xperia XZ2 Premium

    3540 mAh

    +2590 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. Xperia XZ2 Premium

Everyday essentials
Everyday essentials — specifications for KT770, Xperia XZ2 Premium.
SpecificationKT770Xperia XZ2 Premium
Dimensions (HxWxD)
  • 111 Х 51.5 Х 15.8 mm
  • 158 Х 80 Х 11.9 mm
Weight
  • 0 g
  • 236 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.8" inch
  • 5.8" inch
Screen resolution
  • 240 x 400 px
  • 3840 x 2160 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 120 MB
  • 64 GB
  • 6 GB RAM
Memory card support
  • microSD
  • up to 16 GB (dedicated slot)
  • microSD
  • up to 512 GB (uses SIM 2 slot) - dual SIM model only
Battery Capacity is not battery life. No endurance test is implied.
  • 950 mAh
  • Removable Li-Ion
  • 3540 mAh
  • Non-removable Li-Ion
Operating system OS
  • Symbian OS 9.3 Series60 rel. 3.2.3
  • Android 8.0 (Oreo)
  • upgradable to Android 9.0 (Pie)
Chipset Unknown
  • Qualcomm SDM845 Snapdragon 845 (10 nm)
NFC Unknown
  • Yes
Headphone jack
  • No
  • No
Display
Display — specifications for KT770, Xperia XZ2 Premium.
SpecificationKT770Xperia XZ2 Premium
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 256K
  • 16M
Screen area
  • 22.3 cm2
  • 91.5 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 39.0%
  • 72.4%
PPI /points per inch/
  • 167 PPI
  • 765 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for KT770, Xperia XZ2 Premium.
SpecificationKT770Xperia XZ2 Premium
Rear camera, main
  • 5 MP
  • Single
  • 19 MP
  • Dual
Camera specs
  • 5 MP
  • AF
  • 19 MP
  • f/1.8
  • 25mm (wide)
  • 1/2.3''
  • 1.22µm
  • predictive PDAF & laser AF -12 MP B/W
  • f/1.6
  • 1.55µm
  • predictive PDAF & laser AF
Functions
  • LED flash
  • LED flash
  • panorama
  • HDR
Video
  • 480p@30fps
  • 1080p@30fps (5-axis gyro-EIS)
Front camera, selfie
  • 0.3 MP
  • Single
  • 13 MP
  • Single
Specifications
  • VGA videocall camera
  • 13 MP
  • f/2.0
  • 22mm (wide)
  • 1/3''
  • 1.12µm
Performance

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

Performance — specifications for KT770, Xperia XZ2 Premium.
SpecificationKT770Xperia XZ2 Premium
Processor CPU Unknown
  • Octa-core (4x2.7 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver)
Graphics processor GPU Unknown
  • Adreno 630
Antutu 7 score * Unknown
  • 265122
General specs
General specs — specifications for KT770, Xperia XZ2 Premium.
SpecificationKT770Xperia XZ2 Premium
Release date
  • 2009
  • February
  • 2018
  • April
Colors
  • Black
  • Chrome Black
  • Chrome Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 900 EUR
Communication and Connectivity
Communication and Connectivity — specifications for KT770, Xperia XZ2 Premium.
SpecificationKT770Xperia XZ2 Premium
SIM card
  • Mini-SIM
  • Single SIM (Nano-SIM)Hybrid 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 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE
Speed
  • HSPA 7.2/0.384 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (6CA) Cat18 1200/200 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • QZSS
USB
  • Proprietary
  • 3.1
  • Type-C 1.0 reversible connector; USB Host
Bluetooth
  • 2.0
  • 5.0
  • A2DP
  • aptX HD
  • LE
Harmful irradiation
  • SAR - 0.36 W/kg (head) 0.75 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for KT770, Xperia XZ2 Premium.
SpecificationKT770Xperia XZ2 Premium
Radio
  • No
  • No
Others
  • Touch-sensitive navigation keys
  • HDR10 -Triluminos display -X-Reality Engine
  • Active noise cancellation with dedicated mic -24-bit/192kHz audio -Dynamic vibration system
Other features
Other features — specifications for KT770, Xperia XZ2 Premium.
SpecificationKT770Xperia XZ2 Premium
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 Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • barometer
  • compass
  • color spectrum - Fast battery charging (Quick Charge 3.0) -Qi wireless charging - IP65/IP68 dust/water proof (up to 1.5m for 30 mins) - Also known as Sony Xperia XZ2 Premium Dual with dual-SIM card slots