LG Q51 vs TECNO Spark CM

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

    Spark CM: 5.8 mm narrower

    Q51:
    77.5 mm
    Spark CM:
    71.7 mm
  • Screen diagonal

    Spark CM: 0.8 in smaller diagonal

    Q51:
    6.5 in
    Spark CM:
    5.7 in
  • Chipset

    Q51:
    Mediatek MT6762 Helio P22 (12 nm)
    Spark CM:
    Mediatek MT6737
  • Rear camera layout

    Q51:
    Triple
    Spark CM:
    Single
  • Depth

    Spark CM: 2.8 mm thinner

    Q51:
    8.4 mm
    Spark CM:
    5.6 mm
  • Height

    Spark CM: 12.3 mm shorter

    Q51:
    164.5 mm
    Spark CM:
    152.2 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 +12.3 mm versus Spark CM
    Width:
    77.5 mm +5.8 mm versus Spark CM
    Depth:
    8.4 mm +2.8 mm versus Spark CM
    Weight:
    Unknown
  2. 2. Spark CM

    Height:
    152.2 mm
    Width:
    71.7 mm
    Depth:
    5.6 mm
    Weight:
    172 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. Spark CM

    Screen diagonal:
    5.7 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    83.8 cm²

Q51 has approximately 25.8% more rectangular screen area than Spark CM.

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, Spark CM, compared at the same storage capacity.
StorageQ51Spark CM
16 GB Not recorded 2 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. Spark CM

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 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

    +950 mAh versus Spark CM

  2. 2. Spark CM

    3050 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. Spark CM

Everyday essentials
Everyday essentials — specifications for Q51, Spark CM.
SpecificationQ51Spark CM
Dimensions (HxWxD)
  • 164.5 Х 77.5 Х 8.4 mm
  • 152.2 Х 71.7 Х 5.6 mm
Weight
  • 0 g
  • 172 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 6.5" inch
  • 5.7" inch
Screen resolution
  • 720 x 1520 px
  • 720 x 1440 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32GB 3GB RAM
  • 16 GB
  • 2 GB RAM
Memory card support
  • microSDXC (dedicated slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 4000 mAh
  • Non-removable Li-Po
  • 3050 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 10.0
  • Android 7.0 (Nougat)
Chipset
  • Mediatek MT6762 Helio P22 (12 nm)
  • Mediatek MT6737
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Q51, Spark CM.
SpecificationQ51Spark CM
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 105.5 cm2
  • 83.8 cm2
Screen format
  • 19:9 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 82.7%
  • 76.8%
PPI /points per inch/
  • 259 PPI
  • 282 PPI
Screen protection Unknown
  • Corning Gorilla Glass (unspecified version)
Camera and Video
Camera and Video — specifications for Q51, Spark CM.
SpecificationQ51Spark CM
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
  • f/2.0
  • AF
Functions
  • LED flash
  • panorama
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 13 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 13 MP
  • (wide)
  • 8 MP
Performance
Performance — specifications for Q51, Spark CM.
SpecificationQ51Spark CM
Processor CPU
  • Octa-core 2.0 GHz Cortex-A53
  • Quad-core 1.3 GHz Cortex-A53
Graphics processor GPU
  • PowerVR GE8320
  • Mali-T720MP2
General specs
General specs — specifications for Q51, Spark CM.
SpecificationQ51Spark CM
Release date
  • 2020
  • February 25
  • 2017
  • December
Colors
  • Frozen White
  • Moonlight Titanium
  • Midnight Black
  • Champagne Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 240 EUR
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Q51, Spark CM.
SpecificationQ51Spark CM
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 -3G - HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 8(900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/75 Mbps
  • HSPA
  • LTE-A
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 a/b/g/n/ac
  • dual-band
  • WiFi 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
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Q51, Spark CM.
SpecificationQ51Spark CM
Radio
  • No
  • FM radio
Other features
Other features — specifications for Q51, Spark CM.
SpecificationQ51Spark CM
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass - MIL-STD-810G compliant
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity