alcatel S42 vs Oppo A7x

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

    A7x: 51 g lighter

    S42:
    220 g
    A7x:
    169 g
  • Width

    A7x: 3.2 mm narrower

    S42:
    77.2 mm
    A7x:
    74 mm
  • Screen diagonal

    S42: 0.8 in smaller diagonal

    S42:
    5.5 in
    A7x:
    6.3 in
  • Rear camera layout

    S42:
    Single
    A7x:
    Dual
  • Depth

    A7x: 4.7 mm thinner

    S42:
    12.7 mm
    A7x:
    8 mm
  • Height

    A7x: 4.6 mm shorter

    S42:
    161.3 mm
    A7x:
    156.7 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 +4.6 mm versus A7x
    Width:
    77.2 mm +3.2 mm versus A7x
    Depth:
    12.7 mm +4.7 mm versus A7x
  2. 2. A7x

    Height:
    156.7 mm
    Width:
    74 mm
    Depth:
    8 mm

Weight

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

  1. 1. S42

    220 g

    +51 g versus A7x

  2. 2. A7x

    169 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. A7x

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

A7x has approximately 24.8% 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, A7x, compared at the same storage capacity.
StorageS42A7x
32 GB 3 GB RAM Unknown
A7x: Original memory entry

128 GB · 512GB 4GB

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. A7x

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

    +700 mAh versus A7x

  2. 2. A7x

    3500 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. A7x

Everyday essentials
Everyday essentials — specifications for S42, A7x.
SpecificationS42A7x
Dimensions (HxWxD)
  • 161.3 Х 77.2 Х 12.7 mm
  • 156.7 Х 74 Х 8 mm
Weight
  • 220 g
  • 169 g
Technology
  • IPS LCD
  • LTPS IPS LCD
Screen size
  • 5.5" inc
  • 6.3" inch
Screen resolution
  • 720 x 1440 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32GB 3GB RAM
  • 128 GB
  • 512GB 4GB
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
  • 3500 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 10.0
  • planned upgrade to Android 11.0
  • Android 8.1 (Oreo); ColorOS 5.2
Chipset
  • - Mediatek MT6761D Helio A20 (12 nm)
  • Mediatek MT6771 Helio P60 (12 nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for S42, A7x.
SpecificationS42A7x
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 78.1 cm2
  • 97.4 cm2
Screen format
  • 18:9 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio Unknown
  • 84.0%
PPI /points per inch/ Unknown
  • 409 PPI
Screen protection
  • DragonTrail Pro
  • To be confirmed
Camera and Video
Camera and Video — specifications for S42, A7x.
SpecificationS42A7x
Rear camera, main
  • 13 MP
  • Single
  • 16 MP
  • Dual
Camera specs
  • -13 MP
  • AF
  • 16 MP
  • f/1.8
  • 1/3.1
  • 1.0µm
  • PDAF -2 MP
  • f/2.4
  • depth sensor
Functions
  • LED flash
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 16 MP
  • Single
Specifications
  • 5 MP
  • 16 MP
  • f/2.0
Performance

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

Performance — specifications for S42, A7x.
SpecificationS42A7x
Processor CPU
  • - Quad-core 1.8 GHz Cortex-A53
  • Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
Graphics processor GPU
  • - PowerVR GE8320
  • Mali-G72 MP3
Antutu 7 score * Unknown
  • 140725
General specs
General specs — specifications for S42, A7x.
SpecificationS42A7x
Release date
  • 2020
  • January
  • 2018
  • September
Colors
  • Black
  • Starry Purple
  • Ice Flame Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 300 EUR
  • 270 EUR
Communication and Connectivity
Communication and Connectivity — specifications for S42, A7x.
SpecificationS42A7x
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 CDMA 800 & TD-SCDMA - China -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) Cat13 600/100 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
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, A7x.
SpecificationS42A7x
Radio
  • FM radio
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for S42, A7x.
SpecificationS42A7x
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 (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Charging 5V/2A 10W - For China