Infinix Note 4 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.

  • Weight

    XDA Serra: 33 g lighter

    Note 4:
    198 g
    XDA Serra:
    165 g
  • Width

    XDA Serra: 27.8 mm narrower

    Note 4:
    78.8 mm
    XDA Serra:
    51 mm
  • Screen diagonal

    XDA Serra: 2.9 in smaller diagonal

    Note 4:
    5.7 in
    XDA Serra:
    2.8 in
  • Chipset

    Note 4:
    Mediatek MT6753 (28 nm)
    XDA Serra:
    Qualcomm MSM7201A
  • Depth

    Note 4: 9.7 mm thinner

    Note 4:
    8.4 mm
    XDA Serra:
    18.1 mm
  • Height

    XDA Serra: 57 mm shorter

    Note 4:
    159 mm
    XDA Serra:
    102 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. Note 4

    Height:
    159 mm +57 mm versus XDA Serra
    Width:
    78.8 mm +27.8 mm versus XDA Serra
    Depth:
    8.4 mm
  2. 2. XDA Serra

    Height:
    102 mm
    Width:
    51 mm
    Depth:
    18.1 mm +9.7 mm versus Note 4

Weight

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

  1. 1. Note 4

    198 g

    +33 g versus XDA Serra

  2. 2. XDA Serra

    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. Note 4

    Screen diagonal:
    5.7 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    89.6 cm²
  2. 2. XDA Serra

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

Note 4 has approximately 268.9% 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 Note 4, XDA Serra, compared at the same storage capacity.
StorageNote 4XDA Serra
16 GB 2 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. Note 4

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

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.

Recorded battery capacity

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

  1. 1. Note 4

    4300 mAh

    +2960 mAh versus XDA Serra

  2. 2. XDA Serra

    1340 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. Note 42. XDA Serra

Everyday essentials
Everyday essentials — specifications for Note 4, XDA Serra.
SpecificationNote 4XDA Serra
Dimensions (HxWxD)
  • 159 Х 78.8 Х 8.4 mm
  • 102 Х 51 Х 18.1 mm
Weight
  • 198 g
  • 165 g
Technology
  • LTPS IPS LCD
  • TFT
Screen size
  • 5.7" inch
  • 2.8" inch
Screen resolution
  • 1080 x 1920 px
  • 480 x 640 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 2 GB RAM
  • 288 MB RAM
  • 512 MB ROM
Memory card support
  • microSD
  • up to 128 GB (dedicated slot)
  • microSD (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 4300 mAh
  • Non-removable Li-Po
  • 1340 mAh
  • Removable Li-Ion
Operating system OS
  • Android 7.0 (Nougat)
  • Microsoft Windows Mobile 6.1 Professional
Chipset
  • Mediatek MT6753 (28 nm)
  • Qualcomm MSM7201A
Headphone jack
  • Yes
  • No
Display
Display — specifications for Note 4, XDA Serra.
SpecificationNote 4XDA Serra
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 89.6 cm2
  • 24.3 cm2
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 71.5%
  • 46.7%
PPI /points per inch/
  • 386 PPI
  • 286 PPI
Camera and Video
Camera and Video — specifications for Note 4, XDA Serra.
SpecificationNote 4XDA Serra
Rear camera, main
  • 13 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 13 MP
  • AF
  • 3.15 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 8 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 8 MP
  • 1.4µm
  • VGA videocall camera
Performance

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

Performance — specifications for Note 4, XDA Serra.
SpecificationNote 4XDA Serra
Processor CPU
  • Octa-core 1.3 GHz Cortex-A53
  • 528 MHz ARM 11
Graphics processor GPU
  • Mali-T720MP3
  • Adreno 130
Antutu 7 score *
  • 22385
Unknown
General specs
General specs — specifications for Note 4, XDA Serra.
SpecificationNote 4XDA Serra
Release date
  • 2018
  • 2008
  • July
Colors
  • Champagne Gold
  • Milan Black
  • Ice Blue
  • Black
Battery life Unknown
  • Stand by time- Up to 406 h Talking time- Up to 8 h
Body build
  • Front glass
  • aluminum body
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Note 4, XDA Serra.
SpecificationNote 4XDA Serra
SIM card
  • Dual SIM (Micro-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 / 1900 / 2100 -4G - LTE band 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 7(2600)
  • 28(700)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 42.2/11.5 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 7.2/0.384 Mbps
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB On-The-Go
  • miniUSB
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 2.0
  • A2DP
Music and Audio
Music and Audio — specifications for Note 4, XDA Serra.
SpecificationNote 4XDA Serra
Radio
  • FM radio
  • Stereo FM radio
  • RDS
Others Unknown
  • Handwriting recognition
Other features
Other features — specifications for Note 4, XDA Serra.
SpecificationNote 4XDA Serra
Dop
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • proximity
  • compass - Charging 9V/2A 18W
  • Sensors Accelerometer MP3/WAV/WMA player -MP4/WMV/3gp player -Pocket Office -Voice memo -Predictive text input