Allview X4 Soul Style 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: 23 g lighter

    X4 Soul Style:
    181 g
    Iris Alfa:
    158 g
  • Width

    Iris Alfa: 3.1 mm narrower

    X4 Soul Style:
    74.5 mm
    Iris Alfa:
    71.4 mm
  • Screen diagonal

    Iris Alfa: 0.5 in smaller diagonal

    X4 Soul Style:
    5.5 in
    Iris Alfa:
    5 in
  • Chipset

    X4 Soul Style:
    Mediatek MT6755 Helio P10 (28 nm)
    Iris Alfa:
    Spreadtrum 7731
  • Depth

    X4 Soul Style: 1 mm thinner

    X4 Soul Style:
    8.3 mm
    Iris Alfa:
    9.3 mm
  • Height

    Iris Alfa: 15.5 mm shorter

    X4 Soul Style:
    156.5 mm
    Iris Alfa:
    141 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. X4 Soul Style

    Height:
    156.5 mm +15.5 mm versus Iris Alfa
    Width:
    74.5 mm +3.1 mm versus Iris Alfa
    Depth:
    8.3 mm
  2. 2. Iris Alfa

    Height:
    141 mm
    Width:
    71.4 mm
    Depth:
    9.3 mm +1 mm versus X4 Soul Style

Weight

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

  1. 1. X4 Soul Style

    181 g

    +23 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. X4 Soul Style

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

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

X4 Soul Style has approximately 21% 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 X4 Soul Style, Iris Alfa, compared at the same storage capacity.
StorageX4 Soul StyleIris Alfa
8 GB Unknown 1 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. 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. X4 Soul Style

    4010 mAh

    +1810 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. X4 Soul Style2. Iris Alfa

Everyday essentials
Everyday essentials — specifications for X4 Soul Style, Iris Alfa.
SpecificationX4 Soul StyleIris Alfa
Dimensions (HxWxD)
  • 156.5 Х 74.5 Х 8.3 mm
  • 141 Х 71.4 Х 9.3 mm
Weight
  • 181 g
  • 158 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.5" inch
  • 5" inch
Screen resolution
  • 1080 x 1920 px
  • 480 x 854 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
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 256 GB (uses SIM 2 slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 4010 mAh
  • Non-removable Li-Po
  • 2200 mAh
  • Removable Li-Po
Operating system OS
  • Android 7.0 (Nougat)
  • Android 4.4.2 (KitKat)
Chipset
  • Mediatek MT6755 Helio P10 (28 nm)
  • Spreadtrum 7731
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for X4 Soul Style, Iris Alfa.
SpecificationX4 Soul StyleIris Alfa
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 83.4 cm2
  • 68.9 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 71.5%
  • 68.4%
PPI /points per inch/
  • 401 PPI
  • 196 PPI
Screen protection
  • Corning Gorilla Glass (unspecified version)
Unknown
Camera and Video
Camera and Video — specifications for X4 Soul Style, Iris Alfa.
SpecificationX4 Soul StyleIris Alfa
Rear camera, main
  • 13 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 13 MP
  • 1/3''
  • 1.12µm
  • PDAF & laser AF
  • 5 MP
  • AF
Functions
  • Dual-LED flash
  • panorama
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • 720p
Front camera, selfie
  • 16 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 16 MP
  • VGA
Performance

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

Performance — specifications for X4 Soul Style, Iris Alfa.
SpecificationX4 Soul StyleIris Alfa
Processor CPU
  • Octa-core (4x2.0 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
  • Quad-core 1.2 GHz
Graphics processor GPU
  • Mali-T860MP2
  • Mali-400
Antutu 7 score *
  • 50224
Unknown
General specs
General specs — specifications for X4 Soul Style, Iris Alfa.
SpecificationX4 Soul StyleIris Alfa
Release date
  • 2017
  • March
  • 2015
  • January
Colors
  • Black
  • Gold
  • Black
  • White
Battery life Unknown
  • Talking time- Up to 14 h 30 min (3G)
Communication and Connectivity
Communication and Connectivity — specifications for X4 Soul Style, Iris Alfa.
SpecificationX4 Soul StyleIris Alfa
SIM card
  • Hybrid Dual SIM (Nano-SIM/ Micro-SIM
  • dual stand-by)
  • Dual SIM
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 900 / 1800 - SIM 1 & SIM 2
Speed
  • HSPA 21.1/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
  • HSPA
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • hotspot
  • Wi-Fi 802.11 b/g/n
GPS
  • Yes
  • with A-GPS
  • A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • Super AMOLED
  • 2.1
Harmful irradiation
  • SAR EU - 1.65 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for X4 Soul Style, Iris Alfa.
SpecificationX4 Soul StyleIris Alfa
Radio
  • FM radio
  • FM radio
  • recording
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for X4 Soul Style, Iris Alfa.
SpecificationX4 Soul StyleIris Alfa
Dop
  • Sensors Fingerprint (front-mounted)
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • Sensors Accelerometer
  • proximity - For India