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Energizer Ultimate U620S vs Lava Iris Atom 2X

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.

    • Width

      Iris Atom 2X: 9.5 mm narrower

      Ultimate U620S:
      75.5 mm
      Iris Atom 2X:
      66 mm

    • Screen diagonal

      Iris Atom 2X: 1.7 in smaller diagonal

      Ultimate U620S:
      6.2 in
      Iris Atom 2X:
      4.5 in

    • Rear camera layout

      Ultimate U620S:
      Triple
      Iris Atom 2X:
      Single

    • Depth

      Ultimate U620S: 0.9 mm thinner

      Ultimate U620S:
      8.3 mm
      Iris Atom 2X:
      9.2 mm

    • Height

      Iris Atom 2X: 21.8 mm shorter

      Ultimate U620S:
      155.8 mm
      Iris Atom 2X:
      134 mm

    • Release year

      Ultimate U620S:
      2019
      Iris Atom 2X:
      2015

    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. Ultimate U620S

      Height:
      155.8 mm +21.8 mm versus Iris Atom 2X
      Width:
      75.5 mm +9.5 mm versus Iris Atom 2X
      Depth:
      8.3 mm
      Weight:
      Unknown

    2. 2. Iris Atom 2X

      Height:
      134 mm
      Width:
      66 mm
      Depth:
      9.2 mm +0.9 mm versus Ultimate U620S
      Weight:
      130 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. Ultimate U620S

      Screen diagonal:
      6.2 in
      Aspect ratio (height:width):
      18.5:9
      Approximate rectangular screen area:
      97.6 cm²

    2. 2. Iris Atom 2X

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

    Ultimate U620S has approximately 74.8% more rectangular screen area than Iris Atom 2X.

    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 Ultimate U620S, Iris Atom 2X, compared at the same storage capacity.
    StorageUltimate U620SIris Atom 2X
    8 GB Unknown 1 GB RAM
    Ultimate U620S: Original memory entry

    64 GB · 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. Ultimate U620S

    NFC:
    Unknown
    Headphone jack:
    Yes
    Memory card support:
    See details microSD · up to 128 GB (uses SIM 2 slot)

    2. Iris Atom 2X

    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. Ultimate U620S

      4000 mAh

      +2000 mAh versus Iris Atom 2X

    2. 2. Iris Atom 2X

      2000 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. Ultimate U620S2. Iris Atom 2X

    Everyday essentials
    Everyday essentials — specifications for Ultimate U620S, Iris Atom 2X.
    SpecificationUltimate U620SIris Atom 2X
    Dimensions (HxWxD)
    • 155.8 Х 75.5 Х 8.3 mm
    • 134 Х 66 Х 9.2 mm
    Weight
    • 0 g
    • 130 g
    Technology
    • IPS LCD
    • TFT
    Screen size
    • 6.2" inch
    • 4.5" inch
    Screen resolution
    • 720 x 1520 px
    • 480 x 854 px
    Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
    • 64 GB
    • 512GB 4GB
    • 8 GB
    • 1 GB RAM
    Memory card support
    • microSD
    • up to 128 GB (uses SIM 2 slot)
    • microSD
    • up to 32 GB
    Battery Capacity is not battery life. No endurance test is implied.
    • 4000 mAh
    • Removable Li-Po
    • 2000 mAh
    • Removable Li-Ion
    Operating system OS
    • Android 9.0 (Pie)
    • Android 5.1 (Lollipop)
    Chipset
    • Mediatek MT6765 Helio P35 (12nm)
    		 Unknown
    Headphone jack
    • Yes
    • Yes
    Display
    Display — specifications for Ultimate U620S, Iris Atom 2X.
    SpecificationUltimate U620SIris Atom 2X
    Touchscreen
    • capacitive touchscreen
    • capacitive touchscreen
    Display colors
    • 16M
    		 Unknown
    Screen area
    • 97.6 cm2
    • 55.8 cm2
    Screen format
    • 18.5:9 (height:width)
    • 16:9 (height:width)
    Screen to body ratio
    • 82.9%
    • 63.1%
    PPI /points per inch/
    • 265 PPI
    • 218 PPI
    Camera and Video
    Camera and Video — specifications for Ultimate U620S, Iris Atom 2X.
    SpecificationUltimate U620SIris Atom 2X
    Rear camera, main
    • 16 MP
    • Triple
    • 5 MP
    • Single
    Camera specs
    • 16 MP
    • PDAF -2 MP -VGA
    • depth sensor
    • 5 MP
    Functions
    • Dual-LED dual-tone flash
    • panorama
    • HDR
    • LED flash
    Video
    • 1080p
    • Yes
    Front camera, selfie
    • 16 MP
    • Single
    • 0.3 MP
    • Single
    Specifications
    • 16 MP
    • VGA
    Performance
    Performance — specifications for Ultimate U620S, Iris Atom 2X.
    SpecificationUltimate U620SIris Atom 2X
    Processor CPU
    • Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
    • Quad-core 1.3 GHz
    Graphics processor GPU
    • PowerVR GE8320
    		 Unknown
    General specs
    General specs — specifications for Ultimate U620S, Iris Atom 2X.
    SpecificationUltimate U620SIris Atom 2X
    Release date
    • 2019
    • January
    • 2015
    • November
    Colors
    • Aurora Red
    • Aurora Blue
    • Black
    • White
    Battery life Unknown
    • Stand by time- Up to 161 h Talking time- Up to 19 h
    Communication and Connectivity
    Communication and Connectivity — specifications for Ultimate U620S, Iris Atom 2X.
    SpecificationUltimate U620SIris Atom 2X
    SIM card
    • Hybrid Dual SIM (Nano-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)
    • 5(850)
    • 7(2600)
    • 8(900)
    • 20(800)
    • 38(2600)
    • 40(2300)
    • 41(2500)
    • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
    Speed
    • HSPA
    • LTE-A
    • HSPA
    GPRS
    • Yes
    • Yes
    Edge
    • Yes
    • Yes
    Wi-Fi
    • Wi-Fi 802.11 a/b/g/n/ac
    • dual-band
    • Wi-Fi Direct
    • hotspot
    • Wi-Fi 802.11 b/g/n
    • hotspot
    GPS
    • Yes
    • with A-GPS
    • GLONASS
    • Yes
    • with A-GPS
    USB
    • 2.0
    • Type-C 1.0 reversible connector
    • USB On-The-Go
    • microUSB 2.0
    Bluetooth
    • 5.0
    • A2DP
    • LE
    • 2.1
    • EDR
    Music and Audio
    Music and Audio — specifications for Ultimate U620S, Iris Atom 2X.
    SpecificationUltimate U620SIris Atom 2X
    Radio
    • FM radio
    • FM radio
    Others
    • Active noise cancellation with dedicated mic
    		 Unknown
    Other features
    Other features — specifications for Ultimate U620S, Iris Atom 2X.
    SpecificationUltimate U620SIris Atom 2X
    Dop
    • Sensors Fingerprint (side-mounted)
    • accelerometer
    • gyro
    • proximity
    • compass
    • Sensors Accelerometer For India