LG KT770 vs Nokia N91

Compare recorded specifications, size and practical differences.

+ Add a third phone

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: 3.7 mm narrower

    KT770:
    51.5 mm
    N91:
    55.2 mm
  • Screen diagonal

    N91: 0.7 in smaller diagonal

    KT770:
    2.8 in
    N91:
    2.1 in
  • Depth

    KT770: 6.2 mm thinner

    KT770:
    15.8 mm
    N91:
    22 mm
  • Height

    KT770: 2.1 mm shorter

    KT770:
    111 mm
    N91:
    113.1 mm
  • Release year

    KT770:
    2009
    N91:
    2005

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
    Weight:
    Unknown
  2. 2. N91

    Height:
    113.1 mm +2.1 mm versus KT770
    Width:
    55.2 mm +3.7 mm versus KT770
    Depth:
    22 mm +6.2 mm versus KT770
    Weight:
    164 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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. KT770

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    22.3 cm²
  2. 2. N91

    N91: Screen geometry unavailable or conflicting.

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.

KT770: Original memory entry

120 MB

N91: Original memory entry

4/8 GB · 64 MB RAM

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. N91

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
No

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

    +50 mAh versus N91

  2. 2. N91

    900 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. KT7702. N91

Everyday essentials
Everyday essentials — specifications for KT770, N91.
SpecificationKT770N91
Dimensions (HxWxD)
  • 111 Х 51.5 Х 15.8 mm
  • 113.1 Х 55.2 Х 22 mm
Weight
  • 0 g
  • 164 g
Technology
  • TFT
  • TFT
Screen size
  • 2.8" inch
  • 2.1" inch
Screen resolution
  • 240 x 400 px
  • 176 x 208 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 120 MB
  • 4/8 GB
  • 64 MB RAM
Memory card support
  • microSD
  • up to 16 GB (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 950 mAh
  • Removable Li-Ion
  • 900 mAh
  • Removable Li-Ion
Operating system OS
  • Symbian OS 9.3 Series60 rel. 3.2.3
  • Symbian 9.1
  • Series 60 UI 3rd Edition
Headphone jack
  • No
  • Yes
Display
Display — specifications for KT770, N91.
SpecificationKT770N91
Display colors
  • 256K
  • 256K
Screen area
  • 22.3 cm2
  • 14.0 cm2
Screen format
  • 5:3 (height:width)
Unknown
Screen to body ratio
  • 39.0%
  • 22.5%
PPI /points per inch/
  • 167 PPI
  • 0 PPI
Camera and Video
Camera and Video — specifications for KT770, N91.
SpecificationKT770N91
Rear camera, main
  • 5 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 2 MP
Functions
  • LED flash
Unknown
Video
  • 480p@30fps
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Specifications
  • VGA videocall camera
Unknown
Performance
Performance — specifications for KT770, N91.
SpecificationKT770N91
Processor CPU Unknown
  • 220 MHz Dual ARM 9
General specs
General specs — specifications for KT770, N91.
SpecificationKT770N91
Release date
  • 2009
  • February
  • 2005
  • Q2
Colors
  • Black
  • Light Blue Chrome
  • Dark Gray Chrome
  • Black (Music Edition)
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 230 EUR
Battery life Unknown
  • Stand by time- Up to 190 h (2G) / 170 h (3G) Talking time- Up to 4 h (2G) / 3 h (3G) Music play - Up to 10 h
Communication and Connectivity
Communication and Connectivity — specifications for KT770, N91.
SpecificationKT770N91
SIM card
  • Mini-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
Speed
  • HSPA 7.2/0.384 Mbps
  • Yes
  • 384 kbps
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 b/g
  • Wi-Fi 802.11b/g
GPS
  • Yes
  • with A-GPS
  • No
USB
  • Proprietary
  • miniUSB 2.0
Bluetooth
  • 2.0
  • 1.2 (A2DP - 8 GB version only)
Harmful irradiation
  • SAR - 0.36 W/kg (head) 0.75 W/kg (body)
  • SAR - 0.74 W/kg (head) 0.58 W/kg (body) SAR EU - 0.48 W/kg (head)
Music and Audio
Music and Audio — specifications for KT770, N91.
SpecificationKT770N91
Radio
  • No
  • Stereo FM radio
Others
  • Touch-sensitive navigation keys
  • 5-way configurable navigation key
Other features
Other features — specifications for KT770, N91.
SpecificationKT770N91
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
  • Predictive text input -Voice dial -Voice memo -Organizer