Energizer Power Max P8100S vs O2 XDA Serra

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

    XDA Serra: 5.3 in smaller diagonal

    Power Max P8100S:
    8.1 in
    XDA Serra:
    2.8 in
  • Chipset

    Power Max P8100S:
    Qualcomm SDM855 Snapdragon 855 (7 nm)
    XDA Serra:
    Qualcomm MSM7201A
  • Rear camera layout

    Power Max P8100S:
    Dual
    XDA Serra:
    Single
  • Release year

    Power Max P8100S:
    2019
    XDA Serra:
    2008

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. Power Max P8100S

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

    Unavailable dimensions are omitted from the drawing.

  2. 2. XDA Serra

    Height:
    102 mm
    Width:
    51 mm
    Depth:
    18.1 mm
    Weight:
    165 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. Power Max P8100S

    Screen diagonal:
    8.1 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    203.2 cm²
  2. 2. XDA Serra

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

Power Max P8100S has approximately 736.9% more rectangular screen area than XDA Serra.

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 Power Max P8100S, XDA Serra, compared at the same storage capacity.
StoragePower Max P8100SXDA Serra
256 GB 8 GB RAM Unknown
XDA Serra: Original memory entry

288 MB RAM · 512 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. Power Max P8100S

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD · up to 256 GB

2. XDA Serra

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD (dedicated slot)

Battery capacity

Capacity is not battery life. No endurance test is implied.

At least two unambiguous positive capacity values are needed for a chart. Original entries remain in the specifications.

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. Power Max P8100S2. XDA Serra

Everyday essentials
Everyday essentials — specifications for Power Max P8100S, XDA Serra.
SpecificationPower Max P8100SXDA Serra
Dimensions (HxWxD)
  • Х Х mm
  • 102 Х 51 Х 18.1 mm
Weight
  • 0 g
  • 165 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 8.1" inch
  • 2.8" inch
Screen resolution
  • 1536 x 2048 px
  • 480 x 640 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 256 GB
  • 8 GB RAM
  • 288 MB RAM
  • 512 MB ROM
Memory card support
  • microSD
  • up to 256 GB
  • microSD (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 10000 mAh
  • Non-removable Li-Po ,
  • 1340 mAh
  • Removable Li-Ion
Operating system OS
  • Android 9.0 (Pie)
  • Microsoft Windows Mobile 6.1 Professional
Chipset
  • Qualcomm SDM855 Snapdragon 855 (7 nm)
  • Qualcomm MSM7201A
Headphone jack
  • No
  • No
Display
Display — specifications for Power Max P8100S, XDA Serra.
SpecificationPower Max P8100SXDA Serra
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 203.2 cm2
  • 24.3 cm2
Screen format
  • 4:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio Unknown
  • 46.7%
PPI /points per inch/
  • 316 PPI
  • 286 PPI
Camera and Video
Camera and Video — specifications for Power Max P8100S, XDA Serra.
SpecificationPower Max P8100SXDA Serra
Rear camera, main
  • 48 MP
  • Dual
  • 3.15 MP
  • Single
Camera specs
  • 48 MP
  • f/1.8
  • (wide)
  • 1/2"
  • 0.8µm
  • PDAF -12 MP
  • 3.15 MP
  • AF
Functions
  • Dual-LED flash
  • HDR
  • panorama
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 24 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 24 MP
  • VGA videocall camera
Performance
Performance — specifications for Power Max P8100S, XDA Serra.
SpecificationPower Max P8100SXDA Serra
Processor CPU
  • Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485)
  • 528 MHz ARM 11
Graphics processor GPU
  • Adreno 640
  • Adreno 130
General specs
General specs — specifications for Power Max P8100S, XDA Serra.
SpecificationPower Max P8100SXDA Serra
Release date
  • 2019
  • February
  • 2008
  • July
Colors
  • Dark red
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 900 EUR
Unknown
Battery life Unknown
  • Stand by time- Up to 406 h Talking time- Up to 8 h
Communication and Connectivity
Communication and Connectivity — specifications for Power Max P8100S, XDA Serra.
SpecificationPower Max P8100SXDA Serra
SIM card
  • 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 (unspecified) -5G - 5G NSA / Sub6 / mmWave
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat13 600/50 Mbps; 5G (2+ Gbps DL)
  • HSPA 7.2/0.384 Mbps
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • Type-C 1.0 reversible connector
  • miniUSB
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 2.0
  • A2DP
Music and Audio
Music and Audio — specifications for Power Max P8100S, XDA Serra.
SpecificationPower Max P8100SXDA Serra
Radio
  • FM radio
  • Stereo FM radio
  • RDS
Others
  • Cover display: 6 inches
  • 1080 x 2160 pixels
  • Handwriting recognition
Other features
Other features — specifications for Power Max P8100S, XDA Serra.
SpecificationPower Max P8100SXDA Serra
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 18W
  • Sensors Accelerometer MP3/WAV/WMA player -MP4/WMV/3gp player -Pocket Office -Voice memo -Predictive text input