alcatel S42 vs Oppo A57

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

    A57: 73 g lighter

    S42:
    220 g
    A57:
    147 g
  • Width

    A57: 4.3 mm narrower

    S42:
    77.2 mm
    A57:
    72.9 mm
  • Screen diagonal

    A57: 0.3 in smaller diagonal

    S42:
    5.5 in
    A57:
    5.2 in
  • Depth

    A57: 5 mm thinner

    S42:
    12.7 mm
    A57:
    7.7 mm
  • Height

    A57: 12.2 mm shorter

    S42:
    161.3 mm
    A57:
    149.1 mm
  • Release year

    S42:
    2020
    A57:
    2016

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 +12.2 mm versus A57
    Width:
    77.2 mm +4.3 mm versus A57
    Depth:
    12.7 mm +5 mm versus A57
  2. 2. A57

    Height:
    149.1 mm
    Width:
    72.9 mm
    Depth:
    7.7 mm

Weight

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

  1. 1. S42

    220 g

    +73 g versus A57

  2. 2. A57

    147 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. A57

    Screen diagonal:
    5.2 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    74.5 cm²

S42 has approximately 4.7% more rectangular screen area than A57.

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, A57, compared at the same storage capacity.
StorageS42A57
32 GB Recorded for all phones 3 GB RAM 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. S42

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

2. A57

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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. S42

    4200 mAh

    +1300 mAh versus A57

  2. 2. A57

    2900 mAh

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. A57

Everyday essentials
Everyday essentials — specifications for S42, A57.
SpecificationS42A57
Dimensions (HxWxD)
  • 161.3 Х 77.2 Х 12.7 mm
  • 149.1 Х 72.9 Х 7.7 mm
Weight
  • 220 g
  • 147 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.5" inc
  • 5.2" inch
Screen resolution
  • 720 x 1440 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32GB 3GB RAM
  • 32 GB
  • 3 GB RAM
Memory card support
  • microSDXC (dedicated slot)
  • microSD
  • up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 4200 mAh
  • Non-removable Li-Po
  • 2900 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 10.0
  • planned upgrade to Android 11.0
  • Android 6 (Marshmallow); ColorOS 3
Chipset
  • - Mediatek MT6761D Helio A20 (12 nm)
  • Qualcomm MSM8940 Snapdragon 435 (28 nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for S42, A57.
SpecificationS42A57
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 78.1 cm2
  • 74.5 cm2
Screen format
  • 18:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio Unknown
  • 68.6%
PPI /points per inch/ Unknown
  • 282 PPI
Screen protection
  • DragonTrail Pro
  • Corning Gorilla Glass 4
Camera and Video
Camera and Video — specifications for S42, A57.
SpecificationS42A57
Rear camera, main
  • 13 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • -13 MP
  • AF
  • 13 MP
  • PDAF
  • f/2.2
Functions
  • LED flash
  • LED flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 16 MP
  • Single
Specifications
  • 5 MP
  • 16 MP
  • f/2.0
  • 1.12µm
  • AF
Performance

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

Performance — specifications for S42, A57.
SpecificationS42A57
Processor CPU
  • - Quad-core 1.8 GHz Cortex-A53
  • Octa-core 1.4 GHz Cortex-A53
Graphics processor GPU
  • - PowerVR GE8320
  • Adreno 505
Antutu 7 score * Unknown
  • 46782
GeekBench 4 Single Core * Unknown
  • 657
GeekBench 4 Multi-Core * Unknown
  • 2764
GeekBench 4 RenderScript * Unknown
  • 2302
General specs
General specs — specifications for S42, A57.
SpecificationS42A57
Release date
  • 2020
  • January
  • 2016
  • November
Colors
  • Black
  • Black
  • Gold
  • Rose Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 300 EUR
  • 200 EUR
Body build Unknown
  • Front glass
  • aluminum body
Communication and Connectivity
Communication and Connectivity — specifications for S42, A57.
SpecificationS42A57
SIM card
  • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
  • dual stand-by)
  • Single SIM (Nano-SIM)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 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 28(700)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
  • HSPA
  • LTE
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
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
  • USB Host
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 4.1
  • A2DP
Music and Audio
Music and Audio — specifications for S42, A57.
SpecificationS42A57
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for S42, A57.
SpecificationS42A57
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 Fingerprint (front-mounted)
  • accelerometer
  • proximity
  • compass - Also known as Oppo F3 Lite in Vietnam