Oppo R15x vs Xolo A42

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.

  • Display technology

    OLED versus LCD

    R15x:
    OLED
    A42:
    LCD
  • Width

    A42: 12 mm narrower

    R15x:
    75.5 mm
    A42:
    63.5 mm
  • Screen diagonal

    A42: 2.4 in smaller diagonal

    R15x:
    6.4 in
    A42:
    4 in
  • Rear camera layout

    R15x:
    Dual
    A42:
    Single
  • Depth

    R15x: 2.8 mm thinner

    R15x:
    7.4 mm
    A42:
    10.2 mm
  • Height

    A42: 33.8 mm shorter

    R15x:
    158.3 mm
    A42:
    124.5 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. R15x

    Height:
    158.3 mm +33.8 mm versus A42
    Width:
    75.5 mm +12 mm versus A42
    Depth:
    7.4 mm
    Weight:
    156 g
  2. 2. A42

    Height:
    124.5 mm
    Width:
    63.5 mm
    Depth:
    10.2 mm +2.8 mm versus R15x
    Weight:
    Unknown

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. R15x

    Screen diagonal:
    6.4 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    100.5 cm²
  2. 2. A42

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²

R15x has approximately 120.8% more rectangular screen area than A42.

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 R15x, A42, compared at the same storage capacity.
StorageR15xA42
128 GB 6 GB RAM Unknown
A42: Original memory entry

4 GB · 512 MB 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. R15x

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

2. A42

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. R15x

    3600 mAh

    +2200 mAh versus A42

  2. 2. A42

    1400 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. R15x2. A42

Everyday essentials
Everyday essentials — specifications for R15x, A42.
SpecificationR15xA42
Dimensions (HxWxD)
  • 158.3 Х 75.5 Х 7.4 mm
  • 124.5 Х 63.5 Х 10.2 mm
Weight
  • 156 g
  • 0 g
Technology
  • Super AMOLED
  • IPS LCD
Screen size
  • 6.4" inch
  • 4" inch
Screen resolution
  • 1080 x 2340 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128 GB
  • 6 GB RAM
  • 4 GB
  • 512 MB RAM
Memory card support
  • No
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 3600 mAh
  • Non-removable Li-Ion
  • 1400 mAh
  • Li-Ion
Operating system OS
  • Android 8.1 (Oreo); ColorOS 5.2
  • Android 4.2.2 (Jelly Bean)
Chipset
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for R15x, A42.
SpecificationR15xA42
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 101.0 cm2
  • 45.5 cm2
Screen format
  • 19.5:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 84.5%
  • 57.6%
PPI /points per inch/
  • 402 PPI
  • 233 PPI
Screen protection
  • Corning Gorilla Glass 5
Unknown
Camera and Video
Camera and Video — specifications for R15x, A42.
SpecificationR15xA42
Rear camera, main
  • 16 MP
  • Dual
  • 5 MP
  • Single
Camera specs
  • 16 MP
  • f/1.7
  • 1/2.8''
  • 1.12µm
  • PDAF -2 MP
  • depth sensor
  • 5 MP
Functions
  • HDR
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 25 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • 25 MP
  • f/2.0
  • 1/2.8''
  • 0.9μm
  • 1.3 MP
Performance

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

Performance — specifications for R15x, A42.
SpecificationR15xA42
Processor CPU
  • Octa-core (4x2.0 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
  • Dual-core 1.3 GHz
Graphics processor GPU
  • Adreno 512
Unknown
Antutu 7 score *
  • 143726
Unknown
General specs
General specs — specifications for R15x, A42.
SpecificationR15xA42
Release date
  • 2018
  • October
  • 2014
  • July
Colors
  • Nebula
  • Silver Green
  • Yellow
  • Blue
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 350 EUR
  • 80 EUR
Battery life Unknown
  • Stand by time- Up to 180 h Talking time- Up to 5 h
Communication and Connectivity
Communication and Connectivity — specifications for R15x, A42.
SpecificationR15xA42
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 1700(AWS) / 2100 / 900 -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
  • 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 а/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 2.0
Harmful irradiation Unknown
  • SAR EU - 0.69 W/kg (head) 0.71 W/kg (body)
Music and Audio
Music and Audio — specifications for R15x, A42.
SpecificationR15xA42
Radio
  • No
  • FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for R15x, A42.
SpecificationR15xA42
Dop
  • Sensors Fingerprint (under display)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 5V/2A 10W - Incomplete preliminary specifications
  • Sensors Accelerometer
  • proximity