LG Q51 vs Plum Phantom

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

    Q51: 6.7 mm narrower

    Q51:
    77.5 mm
    Phantom:
    84.2 mm
  • Screen diagonal

    Phantom: 0.5 in smaller diagonal

    Q51:
    6.5 in
    Phantom:
    6 in
  • Chipset

    Q51:
    Mediatek MT6762 Helio P22 (12 nm)
    Phantom:
    Mediatek MT6580A (28 nm)
  • Rear camera layout

    Q51:
    Triple
    Phantom:
    Single
  • Release year

    Q51:
    2020
    Phantom:
    2017

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. Q51

    Height:
    164.5 mm
    Width:
    77.5 mm
    Depth:
    8.4 mm
    Weight:
    Unknown
  2. 2. Phantom

    Height:
    165.5 mm
    Width:
    84.2 mm +6.7 mm versus Q51
    Depth:
    8.8 mm
    Weight:
    138 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. Q51

    Screen diagonal:
    6.5 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    105.5 cm²
  2. 2. Phantom

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

Q51 has approximately 6.3% more rectangular screen area than Phantom.

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 Q51, Phantom, compared at the same storage capacity.
StorageQ51Phantom
16 GB Not recorded 1 GB RAM
32 GB 3 GB RAM Not recorded

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. Q51

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSDXC (dedicated slot)

2. Phantom

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 GB

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. Q51

    4000 mAh

    +1500 mAh versus Phantom

  2. 2. Phantom

    2500 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. Q512. Phantom

Everyday essentials
Everyday essentials — specifications for Q51, Phantom.
SpecificationQ51Phantom
Dimensions (HxWxD)
  • 164.5 Х 77.5 Х 8.4 mm
  • 165.5 Х 84.2 Х 8.8 mm
Weight
  • 0 g
  • 138 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 6.5" inch
  • 6" inch
Screen resolution
  • 720 x 1520 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32GB 3GB RAM
  • 16 GB
  • 1 GB RAM
Memory card support
  • microSDXC (dedicated slot)
  • microSD
  • up to 64 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 4000 mAh
  • Non-removable Li-Po
  • 2500 mAh
  • Removable Li-Ion
Operating system OS
  • Android 10.0
  • Android 6.0 (Marshmallow)
Chipset
  • Mediatek MT6762 Helio P22 (12 nm)
  • Mediatek MT6580A (28 nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Q51, Phantom.
SpecificationQ51Phantom
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 105.5 cm2
  • 99.2 cm2
Screen format
  • 19:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 82.7%
  • 71.2%
PPI /points per inch/
  • 259 PPI
  • 245 PPI
Camera and Video
Camera and Video — specifications for Q51, Phantom.
SpecificationQ51Phantom
Rear camera, main
  • 13 MP
  • Triple
  • 13 MP
  • Single
Camera specs
  • 13 MP
  • (wide)
  • PDAF -5 MP
  • 13mm (ultrawide) -2 MP
  • f/2.4
  • (depth)
  • 13 MP
Functions
  • LED flash
  • panorama
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • 720p@30fps
Front camera, selfie
  • 13 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 13 MP
  • (wide)
  • 8 MP
Performance

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

Performance — specifications for Q51, Phantom.
SpecificationQ51Phantom
Processor CPU
  • Octa-core 2.0 GHz Cortex-A53
  • Quad-core 1.3 GHz Cortex-A7
Graphics processor GPU
  • PowerVR GE8320
  • Mali-400MP2
Antutu 7 score * Unknown
  • 33258
General specs
General specs — specifications for Q51, Phantom.
SpecificationQ51Phantom
Release date
  • 2020
  • February 25
  • 2017
  • September
Colors
  • Frozen White
  • Moonlight Titanium
  • Gray
  • Gold
  • Rose Gold
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 240 EUR
Unknown
Battery life Unknown
  • Stand by time- Up to 620 h (2G) / Up to 600 h (3G) Talking time- Up to 25 h (2G) / Up to 10 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Q51, Phantom.
SpecificationQ51Phantom
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (Micro-SIM
  • dual stand-by)
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)
  • 3(1800)
  • 7(2600)
  • 8(900)
  • 20(800)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/75 Mbps
  • HSPA 21.1/5.76 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • microUSB 2.0
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for Q51, Phantom.
SpecificationQ51Phantom
Radio
  • No
  • FM radio
Other features
Other features — specifications for Q51, Phantom.
SpecificationQ51Phantom
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass - MIL-STD-810G compliant
  • Sensors Accelerometer Also known as Plum Z623