alcatel S42 vs Oppo A3s

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

    A3s: 52 g lighter

    S42:
    220 g
    A3s:
    168 g
  • Width

    A3s: 1.6 mm narrower

    S42:
    77.2 mm
    A3s:
    75.6 mm
  • Screen diagonal

    S42: 0.7 in smaller diagonal

    S42:
    5.5 in
    A3s:
    6.2 in
  • Rear camera layout

    S42:
    Single
    A3s:
    Dual
  • Depth

    A3s: 4.5 mm thinner

    S42:
    12.7 mm
    A3s:
    8.2 mm
  • Height

    A3s: 5.1 mm shorter

    S42:
    161.3 mm
    A3s:
    156.2 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. S42

    Height:
    161.3 mm +5.1 mm versus A3s
    Width:
    77.2 mm +1.6 mm versus A3s
    Depth:
    12.7 mm +4.5 mm versus A3s
  2. 2. A3s

    Height:
    156.2 mm
    Width:
    75.6 mm
    Depth:
    8.2 mm

Weight

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

  1. 1. S42

    220 g

    +52 g versus A3s

  2. 2. A3s

    168 g

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. S42

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    78.1 cm²
  2. 2. A3s

    Screen diagonal:
    6.2 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    95.9 cm²

A3s has approximately 22.9% more rectangular screen area than S42.

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 S42, A3s, compared at the same storage capacity.
StorageS42A3s
16 GB Not recorded 2 GB RAM
32 GB 3 GB RAM Not recorded

Practical features

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

1. S42

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSDXC (dedicated slot)

2. A3s

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. S42

    4200 mAh

  2. 2. A3s

    4230 mAh

    +30 mAh versus S42

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. S422. A3s

Everyday essentials
Everyday essentials — specifications for S42, A3s.
SpecificationS42A3s
Dimensions (HxWxD)
  • 161.3 Х 77.2 Х 12.7 mm
  • 156.2 Х 75.6 Х 8.2 mm
Weight
  • 220 g
  • 168 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.5" inc
  • 6.2" inch
Screen resolution
  • 720 x 1440 px
  • 720 x 1520 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32GB 3GB RAM
  • 16 GB
  • 2 GB RAM
Memory card support
  • microSDXC (dedicated slot)
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 4200 mAh
  • Non-removable Li-Po
  • 4230 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 10.0
  • planned upgrade to Android 11.0
  • Android 8.1 (Oreo); ColorOS 5.1
Chipset
  • - Mediatek MT6761D Helio A20 (12 nm)
  • Qualcomm SDM450 Snapdragon 450 (14 nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for S42, A3s.
SpecificationS42A3s
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 78.1 cm2
  • 95.9 cm2
Screen format
  • 18:9 (height:width)
  • 19:9 (height:width)
Screen to body ratio Unknown
  • 81.2%
PPI /points per inch/ Unknown
  • 271 PPI
Screen protection
  • DragonTrail Pro
Unknown
Camera and Video
Camera and Video — specifications for S42, A3s.
SpecificationS42A3s
Rear camera, main
  • 13 MP
  • Single
  • 13 MP
  • Dual
Camera specs
  • -13 MP
  • AF
  • 13 MP
  • f/2.2
  • AF -2 MP
  • f/2.4
  • depth sensor
Functions
  • LED flash
  • LED flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 5 MP
  • 8 MP
  • f/2.2
Performance

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

Performance — specifications for S42, A3s.
SpecificationS42A3s
Processor CPU
  • - Quad-core 1.8 GHz Cortex-A53
  • Octa-core 1.8 GHz Cortex-A53
Graphics processor GPU
  • - PowerVR GE8320
  • Adreno 506
Antutu 7 score * Unknown
  • 64122
General specs
General specs — specifications for S42, A3s.
SpecificationS42A3s
Release date
  • 2020
  • January
  • 2018
  • July
Colors
  • Black
  • Red
  • Dark Purple
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 300 EUR
  • 11000 INR
Communication and Connectivity
Communication and Connectivity — specifications for S42, A3s.
SpecificationS42A3s
SIM card
  • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 - EU HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - USA -4G - LTE (unspecified)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for S42, A3s.
SpecificationS42A3s
Radio
  • FM radio
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for S42, A3s.
SpecificationS42A3s
Dop
  • - Sensors - Accelerometer
  • proximity
  • compass - IP68 dust/water resistant (up to 1.5m for 35 mins) -Drop-to-concrete resistance from up to 1.8 m -MIL-STD-810G compliant - Also known as Cat S32
  • Sensors Accelerometer
  • proximity
  • compass - For India