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A1 Alpha vs LG Q51

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

    Alpha: 1.7 mm narrower

    Alpha:
    75.8 mm
    Q51:
    77.5 mm
  • Screen diagonal

    Alpha: 0.24 in smaller diagonal

    Alpha:
    6.26 in
    Q51:
    6.5 in
  • Memory variants

    At 32 GB storage

    Alpha:
    2 GB RAM
    Q51:
    3 GB RAM
  • Chipset

    Alpha:
    Unisoc SC9863A (28nm)
    Q51:
    Mediatek MT6762 Helio P22 (12 nm)
  • Rear camera layout

    Alpha:
    Dual
    Q51:
    Triple
  • Height

    Alpha: 12.8 mm shorter

    Alpha:
    151.7 mm
    Q51:
    164.5 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. Alpha

    Height:
    151.7 mm
    Width:
    75.8 mm
    Depth:
    8.1 mm
    Weight:
    150 g
  2. 2. Q51

    Height:
    164.5 mm +12.8 mm versus Alpha
    Width:
    77.5 mm +1.7 mm versus Alpha
    Depth:
    8.4 mm
    Weight:
    Unknown

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. Alpha

    Screen diagonal:
    6.26 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    97.8 cm²
  2. 2. Q51

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

Q51 has approximately 7.8% more rectangular screen area than Alpha.

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 Alpha, Q51, compared at the same storage capacity.
StorageAlphaQ51
32 GB Recorded for all phones 2 GB RAM 3 GB RAM
64 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. Alpha

NFC:
See details Yes (64/3GB model only)
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses shared SIM slot)

2. Q51

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. Alpha

    3200 mAh

  2. 2. Q51

    4000 mAh

    +800 mAh versus Alpha

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. Alpha2. Q51

Everyday essentials
Everyday essentials — specifications for Alpha, Q51.
SpecificationAlphaQ51
Dimensions (HxWxD)
  • 151.7 Х 75.8 Х 8.1 mm
  • 164.5 Х 77.5 Х 8.4 mm
Weight
  • 150 g
  • 0 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 6.26" inch
  • 6.5" inch
Screen resolution
  • 720 x 1520 px
  • 720 x 1520 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32GB 2GB RAM
  • 64GB 3GB RAM
  • 32GB 3GB RAM
Memory card support
  • microSD
  • up to 256 GB (uses shared SIM slot)
  • microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3200 mAh
  • Non-removable Li-Ion
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 9.0 (Pie)
  • Android 10.0
Chipset
  • Unisoc SC9863A (28nm)
  • Mediatek MT6762 Helio P22 (12 nm)
NFC
  • Yes (64/3GB model only)
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Alpha, Q51.
SpecificationAlphaQ51
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 97.8 cm2
  • 105.5 cm2
Screen format
  • 19:9 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 82.1%
  • 82.7%
PPI /points per inch/
  • 269 PPI
  • 259 PPI
Camera and Video
Camera and Video — specifications for Alpha, Q51.
SpecificationAlphaQ51
Rear camera, main
  • 13 MP
  • Dual
  • 13 MP
  • Triple
Camera specs
  • 13 MP
  • f/2.0
  • AF -2 MP
  • f/2.4
  • depth sensor
  • 13 MP
  • (wide)
  • PDAF -5 MP
  • 13mm (ultrawide) -2 MP
  • f/2.4
  • (depth)
Functions
  • LED flash
  • HDR
  • LED flash
  • panorama
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 13 MP
  • Single
Specifications
  • 8 MP
  • f/2.0
  • 13 MP
  • (wide)
Performance
Performance — specifications for Alpha, Q51.
SpecificationAlphaQ51
Processor CPU
  • Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)
  • Octa-core 2.0 GHz Cortex-A53
Graphics processor GPU
  • IMG8322
  • PowerVR GE8320
General specs
General specs — specifications for Alpha, Q51.
SpecificationAlphaQ51
Release date
  • 2019
  • August
  • 2020
  • February 25
Colors
  • Black
  • Green
  • Frozen White
  • Moonlight Titanium
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
  • 240 EUR
Communication and Connectivity
Communication and Connectivity — specifications for Alpha, Q51.
SpecificationAlphaQ51
SIM card
  • Hybrid 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)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 38(2600)
  • 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)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/75 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB On-The-Go
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Alpha, Q51.
SpecificationAlphaQ51
Radio
  • FM radio
  • No
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Alpha, Q51.
SpecificationAlphaQ51
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass - MIL-STD-810G compliant