LG Q51 vs Meizu X8

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

    X8: 2.9 mm narrower

    Q51:
    77.5 mm
    X8:
    74.6 mm
  • Screen diagonal

    X8: 0.3 in smaller diagonal

    Q51:
    6.5 in
    X8:
    6.2 in
  • Chipset

    Q51:
    Mediatek MT6762 Helio P22 (12 nm)
    X8:
    Qualcomm SDM710 Snapdragon 710 (10 nm)
  • Rear camera layout

    Q51:
    Triple
    X8:
    Dual
  • Depth

    X8: 0.6 mm thinner

    Q51:
    8.4 mm
    X8:
    7.8 mm
  • Height

    X8: 13.3 mm shorter

    Q51:
    164.5 mm
    X8:
    151.2 mm

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 +13.3 mm versus X8
    Width:
    77.5 mm +2.9 mm versus X8
    Depth:
    8.4 mm +0.6 mm versus X8
    Weight:
    Unknown
  2. 2. X8

    Height:
    151.2 mm
    Width:
    74.6 mm
    Depth:
    7.8 mm
    Weight:
    160 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. X8

    Screen diagonal:
    6.2 in
    Aspect ratio (height:width):
    18.5:9
    Approximate rectangular screen area:
    97.6 cm²

Q51 has approximately 8.1% more rectangular screen area than X8.

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, X8, compared at the same storage capacity.
StorageQ51X8
32 GB 3 GB RAM Unknown
X8: Original memory entry

128 GB · 6 GB RAM 64 GB · 4/6 GB 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. Q51

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

2. X8

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. Q51

    4000 mAh

    +790 mAh versus X8

  2. 2. X8

    3210 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. X8

Everyday essentials
Everyday essentials — specifications for Q51, X8.
SpecificationQ51X8
Dimensions (HxWxD)
  • 164.5 Х 77.5 Х 8.4 mm
  • 151.2 Х 74.6 Х 7.8 mm
Weight
  • 0 g
  • 160 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 6.5" inch
  • 6.2" inch
Screen resolution
  • 720 x 1520 px
  • 1080 x 2220 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32GB 3GB RAM
  • 128 GB
  • 6 GB RAM 64 GB
  • 4/6 GB RAM
Memory card support
  • microSDXC (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 4000 mAh
  • Non-removable Li-Po
  • 3210 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 10.0
  • Android 8.0 (Oreo); Flyme UI
Chipset
  • Mediatek MT6762 Helio P22 (12 nm)
  • Qualcomm SDM710 Snapdragon 710 (10 nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Q51, X8.
SpecificationQ51X8
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 105.5 cm2
  • 97.6 cm2
Screen format
  • 19:9 (height:width)
  • 18.5:9 (height:width)
Screen to body ratio
  • 82.7%
  • 86.5%
PPI /points per inch/
  • 259 PPI
  • 398 PPI
Camera and Video
Camera and Video — specifications for Q51, X8.
SpecificationQ51X8
Rear camera, main
  • 13 MP
  • Triple
  • 12 MP
  • Dual
Camera specs
  • 13 MP
  • (wide)
  • PDAF -5 MP
  • 13mm (ultrawide) -2 MP
  • f/2.4
  • (depth)
  • 12 MP
  • f/1.9
  • 1/2.55''
  • 1.4µm
  • dual pixel PDAF -5 MP
Functions
  • LED flash
  • panorama
  • HDR
  • Dual-LED dual-tone flash
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 13 MP
  • Single
  • 20 MP
  • Single
Specifications
  • 13 MP
  • (wide)
  • 20 MP
Performance

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

Performance — specifications for Q51, X8.
SpecificationQ51X8
Processor CPU
  • Octa-core 2.0 GHz Cortex-A53
  • Octa-core (2x2.2 GHz 360 Gold & 6x1.7 GHz Kryo 360 Silver)
Graphics processor GPU
  • PowerVR GE8320
  • Adreno 616
Antutu 8 score * Unknown
  • 194455
GeekBench 5 Single Core * Unknown
  • 391
GeekBench 5 Multi-Core * Unknown
  • 1471
General specs
General specs — specifications for Q51, X8.
SpecificationQ51X8
Release date
  • 2020
  • February 25
  • 2018
  • September
Colors
  • Frozen White
  • Moonlight Titanium
  • Black
  • Blue
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 240 EUR
  • 200 EUR
Communication and Connectivity
Communication and Connectivity — specifications for Q51, X8.
SpecificationQ51X8
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (Nano-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 CDMA 800 & TD-SCDMA - China -3G - HSDPA 850 / 900 / 2100 - China -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) - China
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/75 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A Cat15 800/150 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/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Q51, X8.
SpecificationQ51X8
Radio
  • No
  • No
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Q51, X8.
SpecificationQ51X8
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass - MIL-STD-810G compliant
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass