LG X mach 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.

  • Weight

    X mach: 14 g lighter

    X mach:
    150 g
    N91:
    164 g
  • Width

    N91: 21.3 mm narrower

    X mach:
    76.5 mm
    N91:
    55.2 mm
  • Screen diagonal

    N91: 3.4 in smaller diagonal

    X mach:
    5.5 in
    N91:
    2.1 in
  • Depth

    X mach: 13.1 mm thinner

    X mach:
    8.9 mm
    N91:
    22 mm
  • Height

    N91: 36 mm shorter

    X mach:
    149.1 mm
    N91:
    113.1 mm
  • Release year

    X mach:
    2016
    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. X mach

    Height:
    149.1 mm +36 mm versus N91
    Width:
    76.5 mm +21.3 mm versus N91
    Depth:
    8.9 mm
  2. 2. N91

    Height:
    113.1 mm
    Width:
    55.2 mm
    Depth:
    22 mm +13.1 mm versus X mach

Weight

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

  1. 1. X mach

    150 g

  2. 2. N91

    164 g

    +14 g versus X mach

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. X mach

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 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.

Recorded RAM for X mach, N91, compared at the same storage capacity.
StorageX machN91
32 GB 3 GB RAM Unknown
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. X mach

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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. X mach

    3000 mAh

    +2100 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. X mach2. N91

Everyday essentials
Everyday essentials — specifications for X mach, N91.
SpecificationX machN91
Dimensions (HxWxD)
  • 149.1 Х 76.5 Х 8.9 mm
  • 113.1 Х 55.2 Х 22 mm
Weight
  • 150 g
  • 164 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5.5" inch
  • 2.1" inch
Screen resolution
  • 1440 x 2560 px
  • 176 x 208 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 3 GB RAM
  • 4/8 GB
  • 64 MB RAM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Removable Li-Ion
  • 900 mAh
  • Removable Li-Ion
Operating system OS
  • Android 6.0.1 (Marshmallow)
  • Symbian 9.1
  • Series 60 UI 3rd Edition
Chipset
  • Qualcomm MSM8992 Snapdragon 808 (20 nm)
Unknown
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for X mach, N91.
SpecificationX machN91
Touchscreen
  • capacitive touchscreen
Unknown
Display colors
  • 16M
  • 256K
Screen area
  • 82.2 cm2
  • 14.0 cm2
Screen format
  • 16:9 (height:width)
Unknown
Screen to body ratio
  • 72.0%
  • 22.5%
PPI /points per inch/
  • 538 PPI
  • 0 PPI
Screen protection
  • Corning Gorilla Glass (unspecified version)
Unknown
Camera and Video
Camera and Video — specifications for X mach, N91.
SpecificationX machN91
Rear camera, main
  • 12.3 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 12.3 MP
  • f/2.0
  • 1.55µm
  • AF
  • 2 MP
Functions
  • LED flash
  • HDR
  • 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 mach, N91.
SpecificationX machN91
Processor CPU
  • Hexa-core (4x1.4 GHz Cortex-A53 & 2x1.8 GHz Cortex-A57)
  • 220 MHz Dual ARM 9
Graphics processor GPU
  • Adreno 418
Unknown
Antutu 7 score *
  • 52147
Unknown
General specs
General specs — specifications for X mach, N91.
SpecificationX machN91
Release date
  • 2016
  • June
  • 2005
  • Q2
Colors
  • Titan
  • White
  • Light Blue Chrome
  • Dark Gray Chrome
  • Black (Music Edition)
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 240 EUR
  • 230 EUR
Battery life
  • Stand by time- Up to 300 h (3G) Talking time- Up to 13 h (3G)
  • 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 X mach, N91.
SpecificationX machN91
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 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 17(700)
  • 20(800)
  • 28(700)
  • 38(2600)
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat9 450/50 Mbps
  • Yes
  • 384 kbps
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • DLNA
  • hotspot
  • Wi-Fi 802.11b/g
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • No
USB
  • microUSB 2.0
  • miniUSB 2.0
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 1.2 (A2DP - 8 GB version only)
Harmful irradiation
  • SAR EU - 0.44 W/kg (head)
  • 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 X mach, N91.
SpecificationX machN91
Radio
  • FM radio
  • Stereo FM radio
Others
  • Active noise cancellation with dedicated mic
  • 5-way configurable navigation key
Other features
Other features — specifications for X mach, N91.
SpecificationX machN91
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Also known as LG X Fast
  • LG K600
  • Predictive text input -Voice dial -Voice memo -Organizer