LG Quantum vs Samsung Galaxy A51 5G

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.

  • Weight

    Quantum: 11 g lighter

    Quantum:
    176 g
    Galaxy A51 5G:
    187 g
  • Width

    Quantum: 14.1 mm narrower

    Quantum:
    59.5 mm
    Galaxy A51 5G:
    73.6 mm
  • Screen diagonal

    Quantum: 3 in smaller diagonal

    Quantum:
    3.5 in
    Galaxy A51 5G:
    6.5 in
  • Chipset

    Quantum:
    Qualcomm QSD8650 Snapdragon S1
    Galaxy A51 5G:
    Exynos 980 (8 nm)
  • Rear camera layout

    Quantum:
    Single
    Galaxy A51 5G:
    Quad
  • Depth

    Galaxy A51 5G: 6.5 mm thinner

    Quantum:
    15.2 mm
    Galaxy A51 5G:
    8.7 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. Quantum

    Height:
    119.5 mm
    Width:
    59.5 mm
    Depth:
    15.2 mm +6.5 mm versus Galaxy A51 5G
  2. 2. Galaxy A51 5G

    Height:
    158.9 mm +39.4 mm versus Quantum
    Width:
    73.6 mm +14.1 mm versus Quantum
    Depth:
    8.7 mm

Weight

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

  1. 1. Quantum

    176 g

  2. 2. Galaxy A51 5G

    187 g

    +11 g versus Quantum

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. Quantum

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    34.9 cm²
  2. 2. Galaxy A51 5G

    Screen diagonal:
    6.5 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    102 cm²

Galaxy A51 5G has approximately 192.6% more rectangular screen area than Quantum.

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 Quantum, Galaxy A51 5G, compared at the same storage capacity.
StorageQuantumGalaxy A51 5G
128 GB Unknown 6 / 8 GB RAM Alternative RAM configurations
Quantum: Original memory entry

16 GB · 512 MB RAM · 512 MB ROM

Practical features

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

1. Quantum

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

2. Galaxy A51 5G

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

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. Quantum

    1500 mAh

  2. 2. Galaxy A51 5G

    4500 mAh

    +3000 mAh versus Quantum

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. Quantum2. Galaxy A51 5G

Everyday essentials
Everyday essentials — specifications for Quantum, Galaxy A51 5G.
SpecificationQuantumGalaxy A51 5G
Dimensions (HxWxD)
  • 119.5 Х 59.5 Х 15.2 mm
  • 158.9 Х 73.6 Х 8.7 mm
Weight
  • 176 g
  • 187 g
Technology
  • TFT
  • Super AMOLED
Screen size
  • 3.5" inch
  • 6.5" inch
Screen resolution
  • 480 x 800 px
  • 1080 x 2400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 512 MB RAM
  • 512 MB ROM
  • 128GB 6GB RAM
  • 128GB 8GB RAM
Memory card support
  • No
  • microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 4500 mAh
  • Non-removable Li-Po
Operating system OS
  • Microsoft Windows Phone 7
  • Android 10.0; One UI 2
Chipset
  • Qualcomm QSD8650 Snapdragon S1
  • Exynos 980 (8 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Quantum, Galaxy A51 5G.
SpecificationQuantumGalaxy A51 5G
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 34.9 cm2
  • 102.0 cm2
Screen format
  • 5:3 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 49.0%
  • 87.2%
PPI /points per inch/
  • 267 PPI
  • 405 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for Quantum, Galaxy A51 5G.
SpecificationQuantumGalaxy A51 5G
Rear camera, main
  • 5 MP
  • Single
  • 48 MP
  • Quad
Camera specs
  • 5 MP
  • AF
  • 48 MP
  • f/2.0
  • 26mm (wide)
  • 1/2.0''
  • 0.8µm
  • PDAF -12 MP
  • f/2.2
  • 12mm (ultrawide) -5 MP
  • f/2.4
  • 25mm (macro)
  • 1/5.0''
  • 1.12µm -5 MP
  • (depth)
Functions
  • LED flash
  • HDR
Video
  • 720p
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 32 MP
  • Single
Specifications Unknown
  • 32 MP
  • f/2.2
  • 26mm (wide)
  • 1/2.8''
  • 0.8µm
Performance
Performance — specifications for Quantum, Galaxy A51 5G.
SpecificationQuantumGalaxy A51 5G
Processor CPU
  • 1.0 GHz Scorpion
  • Octa-core (2x2.2 GHz Cortex-A77 & 6x1.8 GHz Cortex A55)
Graphics processor GPU
  • Adreno 200
  • Mali-G76 MP5
General specs
General specs — specifications for Quantum, Galaxy A51 5G.
SpecificationQuantumGalaxy A51 5G
Release date
  • 2010
  • October
  • 2020
  • April 8
Colors
  • Black
  • Prism Cube Black
  • Prism Cube White
  • Prism Cube Pink
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 80 EUR
Unknown
Battery life
  • Stand by time- Up to 350 h Talking time- Up to 6 h
Unknown
Body build Unknown
  • Glass front (Gorilla Glass 3)
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for Quantum, Galaxy A51 5G.
SpecificationQuantumGalaxy A51 5G
SIM card
  • Mini-SIM
  • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 13(700)
  • 17(700)
  • 20(800)
  • 26(850)
  • 28(700)
  • 38(2600)
  • 40(2300)
  • 41(2500)
  • 66(1700/2100) -5G - 5G SA/NSA
Speed
  • HSPA
  • HSPA
  • LTE-A
  • 5G
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • BDS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 2.1
  • A2DP
  • 5.0
  • A2DP
  • LE
Harmful irradiation
  • SAR - 0.35 W/kg (head) 0.30 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Quantum, Galaxy A51 5G.
SpecificationQuantumGalaxy A51 5G
Radio
  • Stereo FM radio
  • FM radio
Other features
Other features — specifications for Quantum, Galaxy A51 5G.
SpecificationQuantumGalaxy A51 5G
Dop
  • Sensors Accelerometer
  • proximity
  • compass - MP4/H.264/WMV player -MP3/WAV/WMA/eAAC+ player -Organizer -Document viewer/editor -Voice memo/dial/command -Predictive text input - For AT&T
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - ANT+ - Fast charging 15W - Versions: SM-A516F/DSN (Global)