Allview A4 Duo vs Infinix S3X

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

    A4 Duo: 12.1 mm narrower

    A4 Duo:
    63.2 mm
    S3X:
    75.3 mm
  • Screen diagonal

    A4 Duo: 2.7 in smaller diagonal

    A4 Duo:
    3.5 in
    S3X:
    6.2 in
  • Rear camera layout

    A4 Duo:
    Single
    S3X:
    Dual
  • Depth

    S3X: 4 mm thinner

    A4 Duo:
    12 mm
    S3X:
    8 mm
  • Height

    A4 Duo: 40.6 mm shorter

    A4 Duo:
    116.1 mm
    S3X:
    156.7 mm
  • Release year

    A4 Duo:
    2013
    S3X:
    2018

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 +4 mm versus S3X
    Weight:
    110.6 g
  2. 2. S3X

    Height:
    156.7 mm +40.6 mm versus A4 Duo
    Width:
    75.3 mm +12.1 mm versus A4 Duo
    Depth:
    8 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. A4 Duo

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 cm²
  2. 2. S3X

    S3X: 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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

A4 Duo: Original memory entry

512 MB RAM - Liquid M2208 GB

S3X: Original memory entry

64 GB · 4 GB RAM 32 GB · 3 GB 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. A4 Duo

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

2. S3X

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 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. A4 Duo

    1200 mAh

  2. 2. S3X

    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. S3X

Everyday essentials
Everyday essentials — specifications for A4 Duo, S3X.
SpecificationA4 DuoS3X
Dimensions (HxWxD)
  • 116.1 Х 63.2 Х 12 mm
  • 156.7 Х 75.3 Х 8 mm
Weight
  • 110.6 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 RAM - Liquid M2208 GB
  • 64 GB
  • 4 GB RAM 32 GB
  • 3 GB RAM
Memory card support
  • panorama
  • microSD
  • up to 128 GB (dedicated slot)
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 8.1 (Oreo)
Chipset Unknown
  • Qualcomm MSM8937 Snapdragon 430 (28 nm)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A4 Duo, S3X.
SpecificationA4 DuoS3X
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • Super AMOLED
  • 16M
Screen area
  • 36.5 cm2
  • 96.7 cm2
Screen format
  • 3:2 (height:width)
Unknown
Screen to body ratio
  • 149.7 g
  • 82.0%
PPI /points per inch/
  • 165 PPI
  • 0 PPI
Camera and Video
Camera and Video — specifications for A4 Duo, S3X.
SpecificationA4 DuoS3X
Rear camera, main
  • 2 MP
  • Single
  • 13 MP
  • Dual
Camera specs
  • 2 MP
  • 13 MP
  • PDAF -2 MP
  • depth sensor
Functions Unknown
  • Dual-LED flash
  • panorama
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 16 MP
  • Single
Specifications
  • Super AMOLED
  • 16 MP
  • 1.4µm
Performance

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

Performance — specifications for A4 Duo, S3X.
SpecificationA4 DuoS3X
Processor CPU
  • Dual-core 1.0 GHz Cotex-A7
  • Octa-core 1.4 GHz Cortex-A53
Graphics processor GPU
  • Mali-400MP2 Z525 -Mali-T720MP2 Z528
  • Adreno 505
Antutu 7 score *
  • 11698
  • 43722
General specs
General specs — specifications for A4 Duo, S3X.
SpecificationA4 DuoS3X
Release date
  • 2013
  • November
  • 2018
Colors
  • Black
  • Ice Blue
  • Sandstone Black
  • Tradewinds Grey
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
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for A4 Duo, S3X.
SpecificationA4 DuoS3X
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 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 42.2/5.76 Mbps
  • HSPA 42.2/5.76 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
  • hotspot
GPS
  • panorama
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for A4 Duo, S3X.
SpecificationA4 DuoS3X
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for A4 Duo, S3X.
SpecificationA4 DuoS3X
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Charging 5V/2A 10W