alcatel S42 vs Asus ROG Phone II

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.

  • Display technology

    OLED versus LCD

    S42:
    LCD
    ROG Phone II:
    OLED
  • Weight

    S42: 20 g lighter

    S42:
    220 g
    ROG Phone II:
    240 g
  • Screen diagonal

    S42: 1.09 in smaller diagonal

    S42:
    5.5 in
    ROG Phone II:
    6.59 in
  • Rear camera layout

    S42:
    Single
    ROG Phone II:
    Dual
  • Depth

    ROG Phone II: 3.2 mm thinner

    S42:
    12.7 mm
    ROG Phone II:
    9.5 mm
  • Height

    S42: 9.7 mm shorter

    S42:
    161.3 mm
    ROG Phone II:
    171 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
    Width:
    77.2 mm
    Depth:
    12.7 mm +3.2 mm versus ROG Phone II
  2. 2. ROG Phone II

    Height:
    171 mm +9.7 mm versus S42
    Width:
    77.6 mm
    Depth:
    9.5 mm

Weight

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

  1. 1. S42

    220 g

  2. 2. ROG Phone II

    240 g

    +20 g versus S42

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. ROG Phone II

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

ROG Phone II has approximately 36.6% 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, ROG Phone II, compared at the same storage capacity.
StorageS42ROG Phone II
32 GB 3 GB RAM Unknown
ROG Phone II: Original memory entry

128GB 8GB RAM · 256GB 12GB RAM · 512GB 12GB RAM · 1TB 12GB 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. ROG Phone II

NFC:
Yes
Headphone jack:
Yes
Memory card support:
No

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. ROG Phone II

    6000 mAh

    +1800 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. ROG Phone II

Everyday essentials
Everyday essentials — specifications for S42, ROG Phone II.
SpecificationS42ROG Phone II
Dimensions (HxWxD)
  • 161.3 Х 77.2 Х 12.7 mm
  • 171 Х 77.6 Х 9.5 mm
Weight
  • 220 g
  • 240 g
Technology
  • IPS LCD
  • AMOLED
Screen size
  • 5.5" inc
  • 6.59" 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
  • 128GB 8GB RAM
  • 256GB 12GB RAM
  • 512GB 12GB RAM
  • 1TB 12GB RAM
Memory card support
  • microSDXC (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 4200 mAh
  • Non-removable Li-Po
  • 6000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 10.0
  • planned upgrade to Android 11.0
  • Android 9.0 (Pie)
  • ROG UI
Chipset
  • - Mediatek MT6761D Helio A20 (12 nm)
  • Qualcomm SDM855 Snapdragon 855+ (7 nm)
NFC
  • Yes
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for S42, ROG Phone II.
SpecificationS42ROG Phone II
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 78.1 cm2
  • 106.6 cm2
Screen format
  • 18:9 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio Unknown
  • 80.3%
PPI /points per inch/ Unknown
  • 391 PPI
Screen protection
  • DragonTrail Pro
  • Corning Gorilla Glass 6
Camera and Video

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

Camera and Video — specifications for S42, ROG Phone II.
SpecificationS42ROG Phone II
Rear camera, main
  • 13 MP
  • Single
  • 48 MP
  • Dual
Camera specs
  • -13 MP
  • AF
  • 48 MP
  • f/1.8
  • 26mm (wide)
  • 1/2"
  • 0.8µm
  • PDAF
  • Laser AF - 13 MP
  • f/2.4
  • 11mm (ultrawide)
Functions
  • LED flash
  • panorama
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 24 MP
  • Single
Specifications
  • 5 MP
  • 24MP
  • f/2.2
  • 0.9μm
DxOMark Main Score * Unknown
  • 95
DxOMark Photo * Unknown
  • 97
DxOMark Video * Unknown
  • 92
Performance

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

Performance — specifications for S42, ROG Phone II.
SpecificationS42ROG Phone II
Processor CPU
  • - Quad-core 1.8 GHz Cortex-A53
  • Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485)
Graphics processor GPU
  • - PowerVR GE8320
  • Adreno 640 (700 MHz)
Antutu 7 score * Unknown
  • 396813
Antutu 8 score * Unknown
  • 496226
GeekBench 5 Single Core * Unknown
  • 720
GeekBench 5 Multi-Core * Unknown
  • 2466
General specs
General specs — specifications for S42, ROG Phone II.
SpecificationS42ROG Phone II
Release date
  • 2020
  • January
  • 2019
  • July
Colors
  • Black
  • Matte Black
  • Glossy Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 300 EUR
  • 900 EUR
Body build Unknown
  • Front glass (Gorilla Glass 6)
  • back glass
  • aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for S42, ROG Phone II.
SpecificationS42ROG Phone II
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 / 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)
  • 18(800)
  • 19(800)
  • 20(800)
  • 28(700)
  • 29(700)
  • 32(1500)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
  • 46
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (5CA) Cat18 1200/150 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/ad
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with dual-band A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • QZSS
USB
  • microUSB 2.0
  • USB On-The-Go
  • 3.1
  • Type-C 1.0 reversible connector; accessory connector
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 5.0
  • A2DP
  • LE
  • aptX HD
Music and Audio
Music and Audio — specifications for S42, ROG Phone II.
SpecificationS42ROG Phone II
Radio
  • FM radio
  • FM radio
Others Unknown
  • DCI-P3 108% -HDR10 -120 Hz -240 Hz touch-sensing
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mics -DTS Headphone X
Other features
Other features — specifications for S42, ROG Phone II.
SpecificationS42ROG Phone II
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 (under display)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 30W (Quick Charge 4.0) -Power bank/Reverse charging 10W