Allview X4 Soul Style vs Oppo A12

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

    A12: 16 g lighter

    X4 Soul Style:
    181 g
    A12:
    165 g
  • Width

    X4 Soul Style: 1 mm narrower

    X4 Soul Style:
    74.5 mm
    A12:
    75.5 mm
  • Screen diagonal

    X4 Soul Style: 0.72 in smaller diagonal

    X4 Soul Style:
    5.5 in
    A12:
    6.22 in
  • Chipset

    X4 Soul Style:
    Mediatek MT6755 Helio P10 (28 nm)
    A12:
    Mediatek MT6765 Helio P35 (12nm)
  • Rear camera layout

    X4 Soul Style:
    Single
    A12:
    Dual
  • Release year

    X4 Soul Style:
    2017
    A12:
    2020

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. X4 Soul Style

    Height:
    156.5 mm
    Width:
    74.5 mm
    Depth:
    8.3 mm
  2. 2. A12

    Height:
    155.9 mm
    Width:
    75.5 mm +1 mm versus X4 Soul Style
    Depth:
    8.3 mm

Weight

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

  1. 1. X4 Soul Style

    181 g

    +16 g versus A12

  2. 2. A12

    165 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. X4 Soul Style

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. A12

    Screen diagonal:
    6.22 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    96.6 cm²

A12 has approximately 15.8% more rectangular screen area than X4 Soul Style.

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 X4 Soul Style, A12, compared at the same storage capacity.
StorageX4 Soul StyleA12
32 GB Unknown 3 GB RAM
64 GB Unknown 4 GB RAM
X4 Soul Style: Original memory entry

up to 64 GB (dedicated slot) · 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. X4 Soul Style

NFC:
See details Super AMOLED
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 slot)

2. A12

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSDXC

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. X4 Soul Style

    4010 mAh

  2. 2. A12

    4230 mAh

    +220 mAh versus X4 Soul Style

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. X4 Soul Style2. A12

Everyday essentials
Everyday essentials — specifications for X4 Soul Style, A12.
SpecificationX4 Soul StyleA12
Dimensions (HxWxD)
  • 156.5 Х 74.5 Х 8.3 mm
  • 155.9 Х 75.5 Х 8.3 mm
Weight
  • 181 g
  • 165 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.5" inch
  • 6.22" inch
Screen resolution
  • 1080 x 1920 px
  • 720 x 1520 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • up to 64 GB (dedicated slot)
  • 512GB 4GB
  • 32GB 3GB RAM
  • 64GB 4GB RAM
Memory card support
  • microSD
  • up to 256 GB (uses SIM 2 slot)
  • microSDXC
Battery Capacity is not battery life. No endurance test is implied.
  • 4010 mAh
  • Non-removable Li-Po
  • 4230 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 7.0 (Nougat)
  • Android 9.0 (Pie); ColorOS 6.1
Chipset
  • Mediatek MT6755 Helio P10 (28 nm)
  • Mediatek MT6765 Helio P35 (12nm)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for X4 Soul Style, A12.
SpecificationX4 Soul StyleA12
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.4 cm2
  • 96.6 cm2
Screen format
  • 16:9 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 71.5%
  • 82.0%
PPI /points per inch/
  • 401 PPI
  • 270 PPI
Screen protection
  • Corning Gorilla Glass (unspecified version)
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for X4 Soul Style, A12.
SpecificationX4 Soul StyleA12
Rear camera, main
  • 13 MP
  • Single
  • 13 MP
  • Dual
Camera specs
  • 13 MP
  • 1/3''
  • 1.12µm
  • PDAF & laser AF
  • 13 MP
  • f/2.2
  • 1/3.1''
  • 1.12µm
  • PDAF -2 MP
  • f/2.4
  • (depth)
Functions
  • Dual-LED flash
  • panorama
  • HDR
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 16 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 16 MP
  • 5 MP
  • f/2.0
  • 1/5''
  • 1.12µm
Performance

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

Performance — specifications for X4 Soul Style, A12.
SpecificationX4 Soul StyleA12
Processor CPU
  • Octa-core (4x2.0 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
  • Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
Graphics processor GPU
  • Mali-T860MP2
  • PowerVR GE8320
Antutu 7 score *
  • 50224
Unknown
General specs
General specs — specifications for X4 Soul Style, A12.
SpecificationX4 Soul StyleA12
Release date
  • 2017
  • March
  • 2020
  • April 20
Colors
  • Black
  • Gold
  • Blue
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 150 EUR
Body build Unknown
  • Glass front
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for X4 Soul Style, A12.
SpecificationX4 Soul StyleA12
SIM card
  • Hybrid Dual SIM (Nano-SIM/ Micro-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 2-3G - HSDPA 850 / 900 / 1900 / 2100-4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) - 5007U
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 38(2600)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 21.1/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
  • HSPA
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • Super AMOLED
  • 5.0
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 1.65 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for X4 Soul Style, A12.
SpecificationX4 Soul StyleA12
Radio
  • FM radio
  • FM radio
Others
  • Active noise cancellation with dedicated mic
  • 450 nits typ. brightness
Other features
Other features — specifications for X4 Soul Style, A12.
SpecificationX4 Soul StyleA12
Dop
  • Sensors Fingerprint (front-mounted)
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass