Celkon Q519 vs Oppo A11

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

    Q519: 26 g lighter

    Q519:
    169 g
    A11:
    195 g
  • Width

    Q519: 2.4 mm narrower

    Q519:
    73.2 mm
    A11:
    75.6 mm
  • Screen diagonal

    Q519: 1.5 in smaller diagonal

    Q519:
    5 in
    A11:
    6.5 in
  • Chipset

    Q519:
    Spreadtrum 7731
    A11:
    Qualcomm SDM665 Snapdragon 665 (11 nm)
  • Rear camera layout

    Q519:
    Single
    A11:
    Quad
  • Height

    Q519: 18.4 mm shorter

    Q519:
    145.2 mm
    A11:
    163.6 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. Q519

    Height:
    145.2 mm
    Width:
    73.2 mm
    Depth:
    9.4 mm
  2. 2. A11

    Height:
    163.6 mm +18.4 mm versus Q519
    Width:
    75.6 mm +2.4 mm versus Q519
    Depth:
    9.1 mm

Weight

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

  1. 1. Q519

    169 g

  2. 2. A11

    195 g

    +26 g versus Q519

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. Q519

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²
  2. 2. A11

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

A11 has approximately 48% more rectangular screen area than Q519.

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 Q519, A11, compared at the same storage capacity.
StorageQ519A11
64 GB Unknown 4 GB RAM
128 GB Unknown 4 / 6 GB RAM Alternative RAM configurations
256 GB Unknown 6 GB RAM
Q519: Original memory entry

4 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. Q519

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

2. A11

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (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. Q519

    2000 mAh

  2. 2. A11

    5000 mAh

    +3000 mAh versus Q519

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. Q5192. A11

Everyday essentials
Everyday essentials — specifications for Q519, A11.
SpecificationQ519A11
Dimensions (HxWxD)
  • 145.2 Х 73.2 Х 9.4 mm
  • 163.6 Х 75.6 Х 9.1 mm
Weight
  • 169 g
  • 195 g
Technology Unknown
  • IPS LCD
Screen size
  • 5" inch
  • 6.5" inch
Screen resolution
  • 480 x 854 px
  • 720 x 1600 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 64GB 4GB RAM
  • 128GB 4GB RAM
  • 128GB 6GB RAM
  • 256GB 6GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Li-Ion
  • 5000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 9.0 (Pie); ColorOS 6.0
Chipset
  • Spreadtrum 7731
  • Qualcomm SDM665 Snapdragon 665 (11 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Q519, A11.
SpecificationQ519A11
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 68.9 cm2
  • 102.0 cm2
Screen format
  • 16:9 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 64.8%
  • 82.5%
PPI /points per inch/
  • 196 PPI
  • 270 PPI
Camera and Video
Camera and Video — specifications for Q519, A11.
SpecificationQ519A11
Rear camera, main
  • 5 MP
  • Single
  • 48 MP
  • Quad
Camera specs
  • 5 MP
  • 12 MP
  • f/1.8
  • (wide)
  • PDAF -8 MP
  • f/2.3
  • 13mm (ultrawide)
  • 1/4"
  • 1.12µm
  • AF -2 MP
  • f/2.4
  • 1/5"
  • 1.75µm -2 MP
  • 1.75µm
  • depth sensor
Functions
  • LED flash
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 2 MP
  • Single
  • 16 MP
  • Single
Specifications
  • 2 MP
  • 8 MP
  • f/2.0
Performance

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

Performance — specifications for Q519, A11.
SpecificationQ519A11
Processor CPU
  • Quad-core 1.2 GHz
  • Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
Graphics processor GPU
  • Mali-400
  • Adreno 610
Antutu 8 score * Unknown
  • 172202
GeekBench 5 Single Core * Unknown
  • 484
GeekBench 5 Multi-Core * Unknown
  • 1424
General specs
General specs — specifications for Q519, A11.
SpecificationQ519A11
Release date
  • 2015
  • May
  • 2019
  • October
Colors
  • Black
  • White
  • Light Blue
  • Dark Blue
  • Green
  • Red
  • Purple
  • Lake Green
  • Cloud White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 200 EUR
Communication and Connectivity
Communication and Connectivity — specifications for Q519, A11.
SpecificationQ519A11
SIM card
  • Dual 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 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 2100 -4G - LTE (unspecified)
Speed
  • HSPA
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 400/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • QZSS
  • BDS
USB
  • microUSB
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 2.0
  • 5.0
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 0.46 W/kg (head) 0.52 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Q519, A11.
SpecificationQ519A11
Radio
  • FM radio
  • FM radio
Others Unknown
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mic -Dolby Atmos sound
Other features
Other features — specifications for Q519, A11.
SpecificationQ519A11
Dop
  • Sensors Accelerometer
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Power bank/Reverse charging -Battery charging 10W