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alcatel S42 vs BlackBerry Key2

Compare recorded specifications, size and practical differences.

alcatel S42

alcatel S42

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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

    Key2: 52 g lighter

    S42:
    220 g
    Key2:
    168 g
  • Width

    Key2: 5.4 mm narrower

    S42:
    77.2 mm
    Key2:
    71.8 mm
  • Screen diagonal

    Key2: 1 in smaller diagonal

    S42:
    5.5 in
    Key2:
    4.5 in
  • Rear camera layout

    S42:
    Single
    Key2:
    Dual
  • Depth

    Key2: 4.2 mm thinner

    S42:
    12.7 mm
    Key2:
    8.5 mm
  • Height

    Key2: 9.9 mm shorter

    S42:
    161.3 mm
    Key2:
    151.4 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.

Front
Front — relative 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. S42: height 161.3 mm; Width 77.2 mm. Key2: height 151.4 mm; Width 71.8 mm. S42: 161.3 × 77.2 mm 1 Key2: 151.4 × 71.8 mm 2
Side
Side — relative 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. S42: height 161.3 mm; Depth 12.7 mm. Key2: height 151.4 mm; Depth 8.5 mm. S42: 161.3 × 12.7 mm 1 Key2: 151.4 × 8.5 mm 2
  1. 1. S42

    Height:
    161.3 mm +9.9 mm versus Key2
    Width:
    77.2 mm +5.4 mm versus Key2
    Depth:
    12.7 mm +4.2 mm versus Key2
    Weight:
    220 g
  2. 2. Key2

    Height:
    151.4 mm
    Width:
    71.8 mm
    Depth:
    8.5 mm
    Weight:
    168 g

Weight

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

  1. 1. S42

    220 g

    +52 g versus Key2

  2. 2. Key2

    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.

Screen size
Relative rectangular screen sizes; numbers match the phone labels below 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. S42: screen diagonal 5.5 in; aspect ratio (height:width) 18:9; approximate rectangular area 78.1 cm². Key2: screen diagonal 4.5 in; aspect ratio (height:width) 3:2; approximate rectangular area 60.3 cm². S42: 5.5 in, 18:9, About 78.1 cm² rectangular area 1 Key2: 4.5 in, 3:2, About 60.3 cm² rectangular area 2
  1. 1. S42

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    78.1 cm²
  2. 2. Key2

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    60.3 cm²

S42 has approximately 29.5% more rectangular screen area than Key2.

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, Key2, compared at the same storage capacity.
StorageS42Key2
32 GB 3 GB RAM Not recorded
64 GB Not recorded 6 GB RAM
128 GB Not recorded 6 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. Key2

NFC:
Yes
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

    +700 mAh versus Key2

  2. 2. Key2

    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. Key2

Everyday essentials
Everyday essentials — specifications for S42, Key2.
SpecificationS42Key2
Dimensions (HxWxD)
  • 161.3 Х 77.2 Х 12.7 mm
  • 151.4 Х 71.8 Х 8.5 mm
Weight
  • 220 g
  • 168 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.5" inc
  • 4.5" inch
Screen resolution
  • 720 x 1440 px
  • 1080 x 1620 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32GB 3GB RAM
  • 64/128 GB
  • 6 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
  • 3500 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 10.0
  • planned upgrade to Android 11.0
  • Android 8.1 (Oreo)
Chipset
  • - Mediatek MT6761D Helio A20 (12 nm)
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
NFC
  • Yes
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for S42, Key2.
SpecificationS42Key2
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 78.1 cm2
  • 60.0 cm2
Screen format
  • 18:9 (height:width)
  • 3:2 (height:width)
Screen to body ratio Unknown
  • 55.2%
PPI /points per inch/ Unknown
  • 434 PPI
Screen protection
  • DragonTrail Pro
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for S42, Key2.
SpecificationS42Key2
Rear camera, main
  • 13 MP
  • Single
  • 12 MP
  • Dual
Camera specs
  • -13 MP
  • AF
  • 12 MP
  • f/1.8
  • 1/2.3''
  • 1.28µm
  • dual pixel PDAF -12 MP
  • f/2.6
  • 1/3.4''
  • 1.0µm
  • PDAF
Functions
  • LED flash
  • Dual-LED dual-tone flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 5 MP
  • 8 MP
  • f/2.0
  • 1/4''
  • 1.12µm
Performance
Performance — specifications for S42, Key2.
SpecificationS42Key2
Processor CPU
  • - Quad-core 1.8 GHz Cortex-A53
  • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
Graphics processor GPU
  • - PowerVR GE8320
  • Adreno 512
Antutu 7 score Legacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 104256
GeekBench 4 Single Core Legacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 1628
GeekBench 4 Multi-Core Legacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 5894
General specs
General specs — specifications for S42, Key2.
SpecificationS42Key2
Release date
  • 2020
  • January
  • 2018
  • June
Colors
  • Black
  • Black
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 300 EUR
  • 500 EUR
Body build Unknown
  • aluminum frame (7000 series)
  • plastic back
Communication and Connectivity
Communication and Connectivity — specifications for S42, Key2.
SpecificationS42Key2
SIM card
  • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
  • dual stand-by)
  • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
  • dual stand-by) - BBF100-6 only
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 (BBF100-6 model only) -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 13(700)
  • 17(700)
  • 19(800)
  • 20(800)
  • 26(850)
  • 28(700)
  • 32(1500)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) - EU
  • Africa
  • AU (BBF100-1) LTE band 1(2100)
  • 14(700)
  • 29(700)
  • 30(2300)
  • 41(2500)
  • 66(1700/2100) - Canada
  • US
  • LATAM (BBF100-2) LTE band 1(2100)
  • 41(2500) - ME
  • APAC
  • India (BBF100-6) LTE band 1(2100)
  • 41(2500) - China (BBF100-4)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat11 600/75 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/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS2
USB
  • microUSB 2.0
  • USB On-The-Go
  • 3.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 5.0
  • A2DP
  • LE
  • EDR
Harmful irradiation Unknown
  • SAR EU - 0.72 W/kg (head) 1.68 W/kg (body)
Music and Audio
Music and Audio — specifications for S42, Key2.
SpecificationS42Key2
Radio
  • FM radio
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for S42, Key2.
SpecificationS42Key2
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
  • gyro
  • proximity
  • compass - Fast battery charging: 50% in 36 min (Quick Charge 3.0) - Capacitive touch 4-row BlackBerry keyboard - Versions: BBF100-1 (EU
  • Africa
  • AU); BBF100-2 (Canada
  • US
  • LATAM); BBF100-6 (ME
  • APAC
  • India); BBF100-4 (China) Also known as BlackBerry Athena