Allview A4 Duo vs BLU G9 Pro

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

    A4 Duo: 72.4 g lighter

    A4 Duo:
    110.6 g
    G9 Pro:
    183 g
  • Width

    A4 Duo: 11.9 mm narrower

    A4 Duo:
    63.2 mm
    G9 Pro:
    75.1 mm
  • Screen diagonal

    A4 Duo: 2.8 in smaller diagonal

    A4 Duo:
    3.5 in
    G9 Pro:
    6.3 in
  • Rear camera layout

    A4 Duo:
    Single
    G9 Pro:
    Triple
  • Depth

    G9 Pro: 3.4 mm thinner

    A4 Duo:
    12 mm
    G9 Pro:
    8.6 mm
  • Height

    A4 Duo: 40.9 mm shorter

    A4 Duo:
    116.1 mm
    G9 Pro:
    157 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. A4 Duo

    Height:
    116.1 mm
    Width:
    63.2 mm
    Depth:
    12 mm +3.4 mm versus G9 Pro
  2. 2. G9 Pro

    Height:
    157 mm +40.9 mm versus A4 Duo
    Width:
    75.1 mm +11.9 mm versus A4 Duo
    Depth:
    8.6 mm

Weight

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

  1. 1. A4 Duo

    110.6 g

  2. 2. G9 Pro

    183 g

    +72.4 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. G9 Pro

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

G9 Pro has approximately 167.1% 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, G9 Pro, compared at the same storage capacity.
StorageA4 DuoG9 Pro
128 GB Unknown 4 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. G9 Pro

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 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. G9 Pro

    4000 mAh

    +2800 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. G9 Pro

Everyday essentials
Everyday essentials — specifications for A4 Duo, G9 Pro.
SpecificationA4 DuoG9 Pro
Dimensions (HxWxD)
  • 116.1 Х 63.2 Х 12 mm
  • 157 Х 75.1 Х 8.6 mm
Weight
  • 110.6 g
  • 183 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3.5" inch
  • 6.3" inch
Screen resolution
  • 320 x 480 px
  • 1080 x 2340 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
  • 128GB 4GB RAM
Memory card support
  • panorama
  • microSD
  • up to 128 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1200 mAh
  • Removable Li-Ion
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.2 (Jelly Bean)
  • Android 9.0 (Pie)
  • planned upgrade to Android 10.0
Chipset Unknown
  • Mediatek MT6771 Helio P60 (12 nm)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A4 Duo, G9 Pro.
SpecificationA4 DuoG9 Pro
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • Super AMOLED
  • 16M
Screen area
  • 36.5 cm2
  • 97.4 cm2
Screen format
  • 3:2 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 149.7 g
  • 82.6%
PPI /points per inch/
  • 165 PPI
  • 409 PPI
Camera and Video
Camera and Video — specifications for A4 Duo, G9 Pro.
SpecificationA4 DuoG9 Pro
Rear camera, main
  • 2 MP
  • Single
  • 16 MP
  • Triple
Camera specs
  • 2 MP
  • 16 MP
  • f/1.8
  • 1/2.8''
  • PDAF -20 MP
  • 1/2.8'' (wide) -5 MP
  • f/2.2
  • 1/5''
  • depth sensor
Functions Unknown
  • LED flash
  • HDR
  • panorama
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 24 MP
  • Single
Specifications
  • Super AMOLED
  • 24 MP
  • f/2.0
  • 1/2.8'' (wide)
Performance

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

Performance — specifications for A4 Duo, G9 Pro.
SpecificationA4 DuoG9 Pro
Processor CPU
  • Dual-core 1.0 GHz Cotex-A7
  • Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
Graphics processor GPU
  • Mali-400MP2 Z525 -Mali-T720MP2 Z528
  • Mali-G72 MP3
Antutu 7 score *
  • 11698
Unknown
GeekBench 4 Single Core * Unknown
  • 1430
GeekBench 4 Multi-Core * Unknown
  • 5391
General specs
General specs — specifications for A4 Duo, G9 Pro.
SpecificationA4 DuoG9 Pro
Release date
  • 2013
  • November
  • 2019
  • August
Colors
  • Black
  • Nightfall
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 80 EUR
Unknown
Battery life
  • Stand by time- Up to 200 h Talking time- Up to 8 h 20 min
  • Stand by time- Up to 625 h (3G) Talking time- Up to 21 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for A4 Duo, G9 Pro.
SpecificationA4 DuoG9 Pro
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 / 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)
  • 28(700)
Speed
  • HSPA 42.2/5.76 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 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 a/b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • panorama
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 4.1
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for A4 Duo, G9 Pro.
SpecificationA4 DuoG9 Pro
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for A4 Duo, G9 Pro.
SpecificationA4 DuoG9 Pro
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 18W -Fast Qi wireless charging 10W