Celkon A9 Dual vs TECNO Spark 3

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

    A9 Dual: 11.9 mm narrower

    A9 Dual:
    63.9 mm
    Spark 3:
    75.8 mm
  • Screen diagonal

    A9 Dual: 2.7 in smaller diagonal

    A9 Dual:
    3.5 in
    Spark 3:
    6.2 in
  • Depth

    Spark 3: 2.4 mm thinner

    A9 Dual:
    10.6 mm
    Spark 3:
    8.2 mm
  • Height

    A9 Dual: 34.8 mm shorter

    A9 Dual:
    120.5 mm
    Spark 3:
    155.3 mm
  • Release year

    A9 Dual:
    2014
    Spark 3:
    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. A9 Dual

    Height:
    120.5 mm
    Width:
    63.9 mm
    Depth:
    10.6 mm +2.4 mm versus Spark 3
    Weight:
    116 g
  2. 2. Spark 3

    Height:
    155.3 mm +34.8 mm versus A9 Dual
    Width:
    75.8 mm +11.9 mm versus A9 Dual
    Depth:
    8.2 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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. A9 Dual

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

    Spark 3: Screen geometry unavailable or conflicting.

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 A9 Dual, Spark 3, compared at the same storage capacity.
StorageA9 DualSpark 3
16 GB Unknown 2 GB RAM
A9 Dual: Original memory entry

512 MB · 256 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. A9 Dual

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

2. Spark 3

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD

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. A9 Dual

    1350 mAh

  2. 2. Spark 3

    3500 mAh

    +2150 mAh versus A9 Dual

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. A9 Dual2. Spark 3

Everyday essentials
Everyday essentials — specifications for A9 Dual, Spark 3.
SpecificationA9 DualSpark 3
Dimensions (HxWxD)
  • 120.5 Х 63.9 Х 10.6 mm
  • 155.3 Х 75.8 Х 8.2 mm
Weight
  • 116 g
  • 0 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3.5" inch
  • 6.2" inch
Screen resolution
  • 320 x 480 px
  • 720 x 1500 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 MB
  • 256 MB RAM
  • 16GB 2GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
Battery Capacity is not battery life. No endurance test is implied.
  • 1350 mAh
  • Li-Ion
  • 3500 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 4.2.2 (Jelly Bean)
  • Android 9.0 (Pie)
  • HIOS 5.0
Chipset Unknown
  • Mediatek MT6761 Helio A22 (12 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A9 Dual, Spark 3.
SpecificationA9 DualSpark 3
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 36.5 cm2
  • 96.7 cm2
Screen format
  • 3:2 (height:width)
Unknown
Screen to body ratio
  • 47.4%
  • 82.2%
PPI /points per inch/
  • 165 PPI
  • 0 PPI
Camera and Video
Camera and Video — specifications for A9 Dual, Spark 3.
SpecificationA9 DualSpark 3
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
  • 0.3 MP
  • Single
  • 8 MP
  • Single
Specifications
  • VGA
  • 8 MP
Performance
Performance — specifications for A9 Dual, Spark 3.
SpecificationA9 DualSpark 3
Processor CPU
  • Dual-core 1.0 GHz
  • Quad-core 2.0 GHz Cortex-A53
Graphics processor GPU Unknown
  • PowerVR GE8320
General specs
General specs — specifications for A9 Dual, Spark 3.
SpecificationA9 DualSpark 3
Release date
  • 2014
  • 2019
  • April
Colors
  • White
  • Black
  • Midnight Black
  • Champagne Gold
  • Aqua Blue
  • Bordeaux Red
Battery life
  • Stand by time- Up to 240 h Talking time- Up to 3 h 20 min
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for A9 Dual, Spark 3.
SpecificationA9 DualSpark 3
SIM card
  • Dual SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network Unknown
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Speed Unknown
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 2.0
  • 5.0
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 0.61 W/kg (head) 0.69 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for A9 Dual, Spark 3.
SpecificationA9 DualSpark 3
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for A9 Dual, Spark 3.
SpecificationA9 DualSpark 3
Dop
  • Sensors Accelerometer
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity