Lava Iris X1 mini vs vivo NEX Dual Display

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

    Iris X1 mini:
    LCD
    NEX Dual Display:
    OLED
  • Weight

    Iris X1 mini: 83 g lighter

    Iris X1 mini:
    116 g
    NEX Dual Display:
    199 g
  • Width

    Iris X1 mini: 11.9 mm narrower

    Iris X1 mini:
    63.4 mm
    NEX Dual Display:
    75.3 mm
  • Screen diagonal

    Iris X1 mini: 2.39 in smaller diagonal

    Iris X1 mini:
    4 in
    NEX Dual Display:
    6.39 in
  • Chipset

    Iris X1 mini:
    Spreadtrum 7731
    NEX Dual Display:
    Qualcomm SDM845 Snapdragon 845 (10 nm)
  • Rear camera layout

    Iris X1 mini:
    Single
    NEX Dual Display:
    Triple

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. Iris X1 mini

    Height:
    123.5 mm
    Width:
    63.4 mm
    Depth:
    9 mm +0.9 mm versus NEX Dual Display
  2. 2. NEX Dual Display

    Height:
    157.2 mm +33.7 mm versus Iris X1 mini
    Width:
    75.3 mm +11.9 mm versus Iris X1 mini
    Depth:
    8.1 mm

Weight

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

  1. 1. Iris X1 mini

    116 g

  2. 2. NEX Dual Display

    199 g

    +83 g versus Iris X1 mini

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. Iris X1 mini

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. NEX Dual Display

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

NEX Dual Display has approximately 120.1% more rectangular screen area than Iris X1 mini.

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 Iris X1 mini, NEX Dual Display, compared at the same storage capacity.
StorageIris X1 miniNEX Dual Display
128 GB Unknown 10 GB RAM
Iris X1 mini: 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. Iris X1 mini

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB

2. NEX Dual Display

NFC:
Unknown
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. Iris X1 mini

    1750 mAh

  2. 2. NEX Dual Display

    3500 mAh

    +1750 mAh versus Iris X1 mini

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. Iris X1 mini2. NEX Dual Display

Everyday essentials
Everyday essentials — specifications for Iris X1 mini, NEX Dual Display.
SpecificationIris X1 miniNEX Dual Display
Dimensions (HxWxD)
  • 123.5 Х 63.4 Х 9 mm
  • 157.2 Х 75.3 Х 8.1 mm
Weight
  • 116 g
  • 199 g
Technology
  • IPS LCD
  • Super AMOLED
Screen size
  • 4" inch
  • 6.39" inch
Screen resolution
  • 480 x 800 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 128 GB
  • 10 GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1750 mAh
  • Removable Li-Ion
  • 3500 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 9.0 (Pie); Funtouch 4.5
Chipset
  • Spreadtrum 7731
  • Qualcomm SDM845 Snapdragon 845 (10 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Iris X1 mini, NEX Dual Display.
SpecificationIris X1 miniNEX Dual Display
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 45.5 cm2
  • 100.2 cm2
Screen format
  • 5:3 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 58.2%
  • 84.7%
PPI /points per inch/
  • 233 PPI
  • 403 PPI
Camera and Video
Camera and Video — specifications for Iris X1 mini, NEX Dual Display.
SpecificationIris X1 miniNEX Dual Display
Rear camera, main
  • 5 MP
  • Single
  • 12 MP
  • Triple
Camera specs
  • 5 MP
  • 12 MP
  • f/1.8
  • 1/2.55''
  • 1.4µm
  • 4-axis OIS
  • Dual Pixel PDAF -2 MP
  • depth sensor -TOF camera
  • f/1.3
Functions
  • LED flash
  • LED flash
  • HDR
  • panorama
Video
  • 720p
  • 2160p@30fps
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 12 MP
  • Triple
Specifications
  • VGA
  • Uses main cameras
Performance

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

Performance — specifications for Iris X1 mini, NEX Dual Display.
SpecificationIris X1 miniNEX Dual Display
Processor CPU
  • Quad-core 1.2 GHz
  • Octa-core (4x2.7 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver)
Graphics processor GPU
  • Mali-400
  • Adreno 630
Antutu 8 score * Unknown
  • 340355
General specs
General specs — specifications for Iris X1 mini, NEX Dual Display.
SpecificationIris X1 miniNEX Dual Display
Release date
  • 2015
  • January
  • 2018
  • December
Colors
  • Ink Black,white-silver
  • Black-gold
  • Polar Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 700 EUR
Battery life
  • Talking time- Up to 10 h (3G)
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Iris X1 mini, NEX Dual Display.
SpecificationIris X1 miniNEX Dual Display
SIM card
  • Dual SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 19(800)
  • 28(700)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA
  • HSPA 42.2/5.76 Mbps
  • LTE-A (4CA) Cat16 1024/150 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • A-GPS
  • Yes
  • with A-GPS
  • BDS
  • GNSS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 2.1
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Iris X1 mini, NEX Dual Display.
SpecificationIris X1 miniNEX Dual Display
Radio
  • FM radio
  • recording
  • No
Others Unknown
  • Secondary display (on the back): -Super AMOLED
  • 5.49 inches
  • 1080 x 1920 pixels
  • 32-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for Iris X1 mini, NEX Dual Display.
SpecificationIris X1 miniNEX Dual Display
Dop
  • Sensors Accelerometer
  • proximity - For India
  • Sensors Fingerprint (under display)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 10V/2.25A 22.5W