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Celkon AR45 vs Energizer Ultimate U620S

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.

    • Screen diagonal

      AR45: 1.7 in smaller diagonal

      AR45:
      4.5 in
      Ultimate U620S:
      6.2 in

    • Chipset

      AR45:
      Mediatek MT6572 (28 nm)
      Ultimate U620S:
      Mediatek MT6765 Helio P35 (12nm)

    • Rear camera layout

      AR45:
      Single
      Ultimate U620S:
      Triple

    • Release year

      AR45:
      2013
      Ultimate U620S:
      2019

    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. AR45

      Height:
      Unknown
      Width:
      Unknown
      Depth:
      Unknown
      Weight:
      Unknown

      Unavailable dimensions are omitted from the drawing.

    2. 2. Ultimate U620S

      Height:
      155.8 mm
      Width:
      75.5 mm
      Depth:
      8.3 mm
      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.

    At least two phones need compatible screen dimensions for a drawing.

    1. 1. AR45

      AR45: Screen geometry unavailable or conflicting.

    2. 2. Ultimate U620S

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

    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.

    No unambiguous storage/RAM pairings are recorded. See the original specifications below.

    AR45: Original memory entry

    4 GB · 512 MB 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. AR45

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

    2. Ultimate U620S

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

    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. AR45

      2000 mAh

    2. 2. Ultimate U620S

      4000 mAh

      +2000 mAh versus AR45

    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. AR452. Ultimate U620S

    Everyday essentials
    Everyday essentials — specifications for AR45, Ultimate U620S.
    SpecificationAR45Ultimate U620S
    Dimensions (HxWxD)
    • Х Х mm
    • 155.8 Х 75.5 Х 8.3 mm
    Weight
    • 0 g
    • 0 g
    Technology
    • TFT
    • IPS LCD
    Screen size
    • 4.5" inch
    • 6.2" inch
    Screen resolution
    • 960 x 854 px
    • 720 x 1520 px
    Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
    • 4 GB
    • 512 MB RAM
    • 64 GB
    • 512GB 4GB
    Memory card support
    • microSD
    • up to 32 GB (dedicated slot)
    • microSD
    • up to 128 GB (uses SIM 2 slot)
    Battery Capacity is not battery life. No endurance test is implied.
    • 2000 mAh
    • Li-Ion
    • 4000 mAh
    • Removable Li-Po
    Operating system OS
    • Android 4.2.2 (Jelly Bean)
    • Android 9.0 (Pie)
    Chipset
    • Mediatek MT6572 (28 nm)
    • Mediatek MT6765 Helio P35 (12nm)
    Headphone jack
    • Yes
    • Yes
    Display
    Display — specifications for AR45, Ultimate U620S.
    SpecificationAR45Ultimate U620S
    Touchscreen
    • touchscreen
    • capacitive touchscreen
    Display colors Unknown
    • 16M
    Screen area
    • 64.9 cm2
    • 97.6 cm2
    Screen format Unknown
    • 18.5:9 (height:width)
    Screen to body ratio Unknown
    • 82.9%
    PPI /points per inch/
    • 0 PPI
    • 265 PPI
    Camera and Video
    Camera and Video — specifications for AR45, Ultimate U620S.
    SpecificationAR45Ultimate U620S
    Rear camera, main
    • 5 MP
    • Single
    • 16 MP
    • Triple
    Camera specs
    • 5 MP
    • 16 MP
    • PDAF -2 MP -VGA
    • depth sensor
    Functions Unknown
    • Dual-LED dual-tone flash
    • panorama
    • HDR
    Video
    • Yes
    • 1080p
    Front camera, selfie
    • 1.3 MP
    • Single
    • 16 MP
    • Single
    Specifications
    • 1.3 MP
    • 16 MP
    Performance
    Performance — specifications for AR45, Ultimate U620S.
    SpecificationAR45Ultimate U620S
    Processor CPU
    • Dual-core 1.2 GHz Cortex-A7
    • Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
    Graphics processor GPU
    • Mali-400
    • PowerVR GE8320
    General specs
    General specs — specifications for AR45, Ultimate U620S.
    SpecificationAR45Ultimate U620S
    Release date
    • 2013
    • October
    • 2019
    • January
    Colors
    • White
    • Aurora Red
    • Aurora Blue
    Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
    • 90 EUR
    		 Unknown
    Communication and Connectivity
    Communication and Connectivity — specifications for AR45, Ultimate U620S.
    SpecificationAR45Ultimate U620S
    SIM card
    • Dual SIM (Mini-SIM)
    • Hybrid 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 -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)
    Speed
    • HSPA
    • HSPA
    • LTE-A
    GPRS
    • Class 12
    • Yes
    Edge
    • Yes
    • Yes
    Wi-Fi
    • Wi-Fi 802.11 b/g/n
    • hotspot
    • Wi-Fi 802.11 a/b/g/n/ac
    • dual-band
    • Wi-Fi Direct
    • hotspot
    GPS
    • No
    • Yes
    • with A-GPS
    • GLONASS
    USB
    • microUSB 2.0
    • 2.0
    • Type-C 1.0 reversible connector
    • USB On-The-Go
    Bluetooth
    • Yes
    • 5.0
    • A2DP
    • LE
    Harmful irradiation
    • SAR EU - 0.74 W/kg (head) 0.68 W/kg (body)
    		 Unknown
    Music and Audio
    Music and Audio — specifications for AR45, Ultimate U620S.
    SpecificationAR45Ultimate U620S
    Radio
    • FM radio
    • FM radio
    Others Unknown
    • Active noise cancellation with dedicated mic
    Other features
    Other features — specifications for AR45, Ultimate U620S.
    SpecificationAR45Ultimate U620S
    Dop
    • Sensors Accelerometer
    • proximity
    • Sensors Fingerprint (side-mounted)
    • accelerometer
    • gyro
    • proximity
    • compass