Energizer Ultimate U620S Pop vs O2 XDA Star

Compare recorded specifications, size and practical differences.

+ Add a third phone

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

    XDA Star: 19.9 mm narrower

    Ultimate U620S Pop:
    74.9 mm
    XDA Star:
    55 mm
  • Screen diagonal

    XDA Star: 3.6 in smaller diagonal

    Ultimate U620S Pop:
    6.2 in
    XDA Star:
    2.6 in
  • Chipset

    Ultimate U620S Pop:
    Mediatek Helio P70
    XDA Star:
    Qualcomm MSM7200
  • Rear camera layout

    Ultimate U620S Pop:
    Triple
    XDA Star:
    Single
  • Depth

    Ultimate U620S Pop: 5.5 mm thinner

    Ultimate U620S Pop:
    10.3 mm
    XDA Star:
    15.8 mm
  • Height

    XDA Star: 46.2 mm shorter

    Ultimate U620S Pop:
    153.2 mm
    XDA Star:
    107 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. Ultimate U620S Pop

    Height:
    153.2 mm +46.2 mm versus XDA Star
    Width:
    74.9 mm +19.9 mm versus XDA Star
    Depth:
    10.3 mm
    Weight:
    Unknown
  2. 2. XDA Star

    Height:
    107 mm
    Width:
    55 mm
    Depth:
    15.8 mm +5.5 mm versus Ultimate U620S Pop
    Weight:
    120 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 Pop

    Screen diagonal:
    6.2 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    95.9 cm²
  2. 2. XDA Star

    Screen diagonal:
    2.6 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    20.9 cm²

Ultimate U620S Pop has approximately 358.3% more rectangular screen area than XDA Star.

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 Pop, XDA Star, compared at the same storage capacity.
StorageUltimate U620S PopXDA Star
128 GB 6 GB RAM Unknown
XDA Star: Original memory entry

96 MB RAM · 128 MB ROM

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 Pop

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD · up to 128 GB (uses SIM 2 slot)

2. XDA Star

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD

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 Pop

    3200 mAh

    +2080 mAh versus XDA Star

  2. 2. XDA Star

    1120 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 U620S Pop2. XDA Star

Everyday essentials
Everyday essentials — specifications for Ultimate U620S Pop, XDA Star.
SpecificationUltimate U620S PopXDA Star
Dimensions (HxWxD)
  • 153.2 Х 74.9 Х 10.3 mm
  • 107 Х 55 Х 15.8 mm
Weight
  • 0 g
  • 120 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 6.2" inch
  • 2.6" inch
Screen resolution
  • 1080 x 2280 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128 GB
  • 6 GB RAM
  • 96 MB RAM
  • 128 MB ROM
Memory card support
  • microSD
  • up to 128 GB (uses SIM 2 slot)
  • microSD
Battery Capacity is not battery life. No endurance test is implied.
  • 3200 mAh
  • Non-removable Li-Ion
  • 1120 mAh
  • Removable Li-Ion
Operating system OS
  • Android 9.0 (Pie)
  • Microsoft Windows Mobile 6.0 Professional
Chipset
  • Mediatek Helio P70
  • Qualcomm MSM7200
Headphone jack
  • No
  • No
Display
Display — specifications for Ultimate U620S Pop, XDA Star.
SpecificationUltimate U620S PopXDA Star
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 95.9 cm2
  • 20.9 cm2
Screen format
  • 19:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 83.6%
  • 35.6%
PPI /points per inch/
  • 407 PPI
  • 154 PPI
Camera and Video
Camera and Video — specifications for Ultimate U620S Pop, XDA Star.
SpecificationUltimate U620S PopXDA Star
Rear camera, main
  • 12 MP
  • Triple
  • 2 MP
  • Single
Camera specs
  • 12 MP
  • PDAF -5 MP -2 MP
  • depth sensor
  • 2 MP
Functions
  • Dual-LED dual-tone flash
  • panorama
  • HDR
Unknown
Video
  • 1080p
  • Yes
Front camera, selfie
  • 16 MP
  • Dual
  • 0.3 MP
  • Single
Specifications
  • Motorized pop-up 16 MP Motorized pop-up 2 MP
  • depth sensor
  • CIF videocall camera
Performance
Performance — specifications for Ultimate U620S Pop, XDA Star.
SpecificationUltimate U620S PopXDA Star
Processor CPU
  • Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
  • 400 MHz ARM 11
Graphics processor GPU
  • Mali-G72 MP3
  • Adreno 130
General specs
General specs — specifications for Ultimate U620S Pop, XDA Star.
SpecificationUltimate U620S PopXDA Star
Release date
  • 2019
  • January
  • 2007
  • October
Colors
  • Black
  • Red
  • Green
  • Black
Battery life Unknown
  • Stand by time- Up to 250 h Talking time- Up to 5 h
Communication and Connectivity
Communication and Connectivity — specifications for Ultimate U620S Pop, XDA Star.
SpecificationUltimate U620S PopXDA Star
SIM card
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • 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)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 28(700)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA
  • LTE-A
  • HSPA 3.6/0.384 Mbps
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
  • No
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • No
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
  • miniUSB
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 2.0
Music and Audio
Music and Audio — specifications for Ultimate U620S Pop, XDA Star.
SpecificationUltimate U620S PopXDA Star
Radio
  • FM radio
  • No
Others
  • Active noise cancellation with dedicated mic
  • TouchFLO finger swipe navigation -Handwriting recognition
Other features
Other features — specifications for Ultimate U620S Pop, XDA Star.
SpecificationUltimate U620S PopXDA Star
Dop
  • Sensors Fingerprint (side-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Pocket Office -Voice memo -MP3/AAC player HTC Nike platform