alcatel S42 vs Lava Iris Alfa

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

    Iris Alfa: 62 g lighter

    S42:
    220 g
    Iris Alfa:
    158 g
  • Width

    Iris Alfa: 5.8 mm narrower

    S42:
    77.2 mm
    Iris Alfa:
    71.4 mm
  • Screen diagonal

    Iris Alfa: 0.5 in smaller diagonal

    S42:
    5.5 in
    Iris Alfa:
    5 in
  • Depth

    Iris Alfa: 3.4 mm thinner

    S42:
    12.7 mm
    Iris Alfa:
    9.3 mm
  • Height

    Iris Alfa: 20.3 mm shorter

    S42:
    161.3 mm
    Iris Alfa:
    141 mm
  • Release year

    S42:
    2020
    Iris Alfa:
    2015

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 +20.3 mm versus Iris Alfa
    Width:
    77.2 mm +5.8 mm versus Iris Alfa
    Depth:
    12.7 mm +3.4 mm versus Iris Alfa
  2. 2. Iris Alfa

    Height:
    141 mm
    Width:
    71.4 mm
    Depth:
    9.3 mm

Weight

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

  1. 1. S42

    220 g

    +62 g versus Iris Alfa

  2. 2. Iris Alfa

    158 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. Iris Alfa

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

S42 has approximately 13.3% more rectangular screen area than Iris Alfa.

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, Iris Alfa, compared at the same storage capacity.
StorageS42Iris Alfa
8 GB Not recorded 1 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. Iris Alfa

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

    +2000 mAh versus Iris Alfa

  2. 2. Iris Alfa

    2200 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. Iris Alfa

Everyday essentials
Everyday essentials — specifications for S42, Iris Alfa.
SpecificationS42Iris Alfa
Dimensions (HxWxD)
  • 161.3 Х 77.2 Х 12.7 mm
  • 141 Х 71.4 Х 9.3 mm
Weight
  • 220 g
  • 158 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.5" inc
  • 5" inch
Screen resolution
  • 720 x 1440 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32GB 3GB RAM
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSDXC (dedicated slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 4200 mAh
  • Non-removable Li-Po
  • 2200 mAh
  • Removable Li-Po
Operating system OS
  • Android 10.0
  • planned upgrade to Android 11.0
  • Android 4.4.2 (KitKat)
Chipset
  • - Mediatek MT6761D Helio A20 (12 nm)
  • Spreadtrum 7731
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for S42, Iris Alfa.
SpecificationS42Iris Alfa
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 78.1 cm2
  • 68.9 cm2
Screen format
  • 18:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio Unknown
  • 68.4%
PPI /points per inch/ Unknown
  • 196 PPI
Screen protection
  • DragonTrail Pro
Unknown
Camera and Video
Camera and Video — specifications for S42, Iris Alfa.
SpecificationS42Iris Alfa
Rear camera, main
  • 13 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • -13 MP
  • AF
  • 5 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • 1080p@30fps
  • 720p
Front camera, selfie
  • 5 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 5 MP
  • VGA
Performance
Performance — specifications for S42, Iris Alfa.
SpecificationS42Iris Alfa
Processor CPU
  • - Quad-core 1.8 GHz Cortex-A53
  • Quad-core 1.2 GHz
Graphics processor GPU
  • - PowerVR GE8320
  • Mali-400
General specs
General specs — specifications for S42, Iris Alfa.
SpecificationS42Iris Alfa
Release date
  • 2020
  • January
  • 2015
  • January
Colors
  • Black
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 300 EUR
Unknown
Battery life Unknown
  • Talking time- Up to 14 h 30 min (3G)
Communication and Connectivity
Communication and Connectivity — specifications for S42, Iris Alfa.
SpecificationS42Iris Alfa
SIM card
  • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM
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 900 / 1800 - SIM 1 & SIM 2
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
  • HSPA
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • A-GPS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 2.1
Music and Audio
Music and Audio — specifications for S42, Iris Alfa.
SpecificationS42Iris Alfa
Radio
  • FM radio
  • FM radio
  • recording
Other features
Other features — specifications for S42, Iris Alfa.
SpecificationS42Iris Alfa
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 - For India