Allview A4 Duo vs BLU Studio Mega 2019

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.

  • Weight

    A4 Duo: 70.4 g lighter

    A4 Duo:
    110.6 g
    Studio Mega 2019:
    181 g
  • Width

    A4 Duo: 14.8 mm narrower

    A4 Duo:
    63.2 mm
    Studio Mega 2019:
    78 mm
  • Screen diagonal

    A4 Duo: 2.5 in smaller diagonal

    A4 Duo:
    3.5 in
    Studio Mega 2019:
    6 in
  • Depth

    Studio Mega 2019: 2.4 mm thinner

    A4 Duo:
    12 mm
    Studio Mega 2019:
    9.6 mm
  • Height

    A4 Duo: 45.3 mm shorter

    A4 Duo:
    116.1 mm
    Studio Mega 2019:
    161.4 mm
  • Release year

    A4 Duo:
    2013
    Studio Mega 2019:
    2019

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. A4 Duo

    Height:
    116.1 mm
    Width:
    63.2 mm
    Depth:
    12 mm +2.4 mm versus Studio Mega 2019
  2. 2. Studio Mega 2019

    Height:
    161.4 mm +45.3 mm versus A4 Duo
    Width:
    78 mm +14.8 mm versus A4 Duo
    Depth:
    9.6 mm

Weight

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

  1. 1. A4 Duo

    110.6 g

  2. 2. Studio Mega 2019

    181 g

    +70.4 g versus A4 Duo

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. A4 Duo

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 cm²
  2. 2. Studio Mega 2019

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

Studio Mega 2019 has approximately 154.7% more rectangular screen area than A4 Duo.

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 A4 Duo, Studio Mega 2019, compared at the same storage capacity.
StorageA4 DuoStudio Mega 2019
32 GB Unknown 2 GB RAM
A4 Duo: Original memory entry

512 MB RAM - Liquid M2208 GB

Practical features

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

1. A4 Duo

NFC:
See details Super AMOLED
Headphone jack:
Yes
Memory card support:
See details panorama

2. Studio Mega 2019

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 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. A4 Duo

    1200 mAh

  2. 2. Studio Mega 2019

    3000 mAh

    +1800 mAh versus A4 Duo

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. A4 Duo2. Studio Mega 2019

Everyday essentials
Everyday essentials — specifications for A4 Duo, Studio Mega 2019.
SpecificationA4 DuoStudio Mega 2019
Dimensions (HxWxD)
  • 116.1 Х 63.2 Х 12 mm
  • 161.4 Х 78 Х 9.6 mm
Weight
  • 110.6 g
  • 181 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3.5" inch
  • 6" inch
Screen resolution
  • 320 x 480 px
  • 720 x 1440 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 MB RAM - Liquid M2208 GB
  • 32GB 2GB RAM
Memory card support
  • panorama
  • microSD
  • up to 64 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1200 mAh
  • Removable Li-Ion
  • 3000 mAh
  • Removable Li-Po
Operating system OS
  • Android 4.2 (Jelly Bean)
  • Android 9.0 (Pie)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A4 Duo, Studio Mega 2019.
SpecificationA4 DuoStudio Mega 2019
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • Super AMOLED
  • 16M
Screen area
  • 36.5 cm2
  • 92.9 cm2
Screen format
  • 3:2 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 149.7 g
  • 73.8%
PPI /points per inch/
  • 165 PPI
  • 268 PPI
Camera and Video
Camera and Video — specifications for A4 Duo, Studio Mega 2019.
SpecificationA4 DuoStudio Mega 2019
Rear camera, main
  • 2 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 2 MP
  • 13 MP
  • AF
Functions Unknown
  • LED flash
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 8 MP
  • Single
Specifications
  • Super AMOLED
  • 8 MP
Performance

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

Performance — specifications for A4 Duo, Studio Mega 2019.
SpecificationA4 DuoStudio Mega 2019
Processor CPU
  • Dual-core 1.0 GHz Cotex-A7
  • Octa-core 1.6 GHz Cortex-A55
Graphics processor GPU
  • Mali-400MP2 Z525 -Mali-T720MP2 Z528
  • IMG8322
Antutu 7 score *
  • 11698
Unknown
General specs
General specs — specifications for A4 Duo, Studio Mega 2019.
SpecificationA4 DuoStudio Mega 2019
Release date
  • 2013
  • November
  • 2019
  • September
Colors
  • Black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 80 EUR
  • 90 USD
Battery life
  • Stand by time- Up to 200 h Talking time- Up to 8 h 20 min
  • Stand by time- Up to 575 h (2G) / Up to 525 h (3G) Talking time- Up to 20 h (2G) / Up to 15 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for A4 Duo, Studio Mega 2019.
SpecificationA4 DuoStudio Mega 2019
SIM card
  • Dual SIM (dual stand-by)
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 1700(AWS) / 1900 -4G - LTE band 2(1900)
  • 4(1700/2100)
  • 5(850)
  • 12(700)
  • 17(700)
Speed
  • HSPA 42.2/5.76 Mbps
  • HSPA 42.2/11.5 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Class 12
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi Direct
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • panorama
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 4.1
  • A2DP
Music and Audio
Music and Audio — specifications for A4 Duo, Studio Mega 2019.
SpecificationA4 DuoStudio Mega 2019
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for A4 Duo, Studio Mega 2019.
SpecificationA4 DuoStudio Mega 2019
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer
  • proximity