Lava A51 vs vivo Y19

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

    A51: 10.5 mm narrower

    A51:
    66 mm
    Y19:
    76.5 mm
  • Screen diagonal

    A51: 2.03 in smaller diagonal

    A51:
    4.5 in
    Y19:
    6.53 in
  • Chipset

    A51:
    Spreadtrum SC7731C
    Y19:
    Mediatek MT6768 Helio P65 (12nm)
  • Rear camera layout

    A51:
    Single
    Y19:
    Triple
  • Depth

    Y19: 1 mm thinner

    A51:
    9.9 mm
    Y19:
    8.9 mm
  • Height

    A51: 26.2 mm shorter

    A51:
    136 mm
    Y19:
    162.2 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. A51

    Height:
    136 mm
    Width:
    66 mm
    Depth:
    9.9 mm +1 mm versus Y19
    Weight:
    Unknown
  2. 2. Y19

    Height:
    162.2 mm +26.2 mm versus A51
    Width:
    76.5 mm +10.5 mm versus A51
    Depth:
    8.9 mm
    Weight:
    193 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. A51

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    55.8 cm²
  2. 2. Y19

    Screen diagonal:
    6.53 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    104.7 cm²

Y19 has approximately 87.5% more rectangular screen area than A51.

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 A51, Y19, compared at the same storage capacity.
StorageA51Y19
128 GB Unknown 8 GB RAM
A51: Original memory entry

8 GB · 512 MB 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. A51

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

2. Y19

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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. A51

    1750 mAh

  2. 2. Y19

    5000 mAh

    +3250 mAh versus A51

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. A512. Y19

Everyday essentials
Everyday essentials — specifications for A51, Y19.
SpecificationA51Y19
Dimensions (HxWxD)
  • 136 Х 66 Х 9.9 mm
  • 162.2 Х 76.5 Х 8.9 mm
Weight
  • 0 g
  • 193 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 4.5" inch
  • 6.53" inch
Screen resolution
  • 480 x 854 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 512 MB RAM
  • 128GB 8GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1750 mAh
  • Removable Li-Ion
  • 5000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 6.0 (Marshmallow)
  • Android 9.0 (Pie); Funtouch 9.2
Chipset
  • Spreadtrum SC7731C
  • Mediatek MT6768 Helio P65 (12nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A51, Y19.
SpecificationA51Y19
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 55.8 cm2
  • 104.7 cm2
Screen format
  • 16:9 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 62.2%
  • 84.4%
PPI /points per inch/
  • 218 PPI
  • 395 PPI
Camera and Video
Camera and Video — specifications for A51, Y19.
SpecificationA51Y19
Rear camera, main
  • 5 MP
  • Single
  • 16 MP
  • Triple
Camera specs
  • 5 MP
  • 16 MP
  • f/1.8
  • (wide)
  • PDAF -8 MP
  • f/2.2
  • 13mm (ultrawide) -2 MP
  • f/2.4
  • macro camera
Functions
  • LED flash
  • panorama
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 16 MP
  • Single
Specifications
  • VGA
  • 16 MP
  • f/2.0
  • 26mm (wide)
  • 1/3.1"
  • 1.0µm
Performance

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

Performance — specifications for A51, Y19.
SpecificationA51Y19
Processor CPU
  • Quad-core 1.2 GHz
  • Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55)
Graphics processor GPU Unknown
  • Mali-G52 MC2
Antutu 8 score * Unknown
  • 183200
General specs
General specs — specifications for A51, Y19.
SpecificationA51Y19
Release date
  • 2016
  • October
  • 2019
  • November
Colors
  • Gray
  • Black
  • Gold
  • Magnetic Black
  • Spring White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 210 EUR
Battery life
  • Stand by time- Up to 420 h (3G) Talking time- Up to 10 h 30 min (3G)
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for A51, Y19.
SpecificationA51Y19
SIM card
  • Dual SIM
  • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) -3G - HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 28(700)
  • 38(2600)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA
  • HSPA 42.2/5.76 Mbps
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • 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
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 2.1
  • EDR
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for A51, Y19.
SpecificationA51Y19
Radio
  • FM radio
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for A51, Y19.
SpecificationA51Y19
Dop
  • Sensors Accelerometer For India
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass - Fast battery charging 18W -Power bank/Reverse charging 5W