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Infinix Note 4 vs Nokia N81

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.

  • Weight

    N81: 58 g lighter

    Note 4:
    198 g
    N81:
    140 g
  • Width

    N81: 28.8 mm narrower

    Note 4:
    78.8 mm
    N81:
    50 mm
  • Screen diagonal

    N81: 3.3 in smaller diagonal

    Note 4:
    5.7 in
    N81:
    2.4 in
  • Depth

    Note 4: 9.5 mm thinner

    Note 4:
    8.4 mm
    N81:
    17.9 mm
  • Height

    N81: 57 mm shorter

    Note 4:
    159 mm
    N81:
    102 mm
  • Release year

    Note 4:
    2018
    N81:
    2007

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 N81
    Width:
    78.8 mm +28.8 mm versus N81
    Depth:
    8.4 mm
  2. 2. N81

    Height:
    102 mm
    Width:
    50 mm
    Depth:
    17.9 mm +9.5 mm versus Note 4

Weight

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

  1. 1. Note 4

    198 g

    +58 g versus N81

  2. 2. N81

    140 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. N81

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

Note 4 has approximately 402.1% more rectangular screen area than N81.

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, N81, compared at the same storage capacity.
StorageNote 4N81
16 GB 2 GB RAM Unknown
N81: Original memory entry

12 MB · 96 MB RAM

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. N81

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 8 GB (dedicated slot) · 2 GB included

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

    +3250 mAh versus N81

  2. 2. N81

    1050 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. N81

Everyday essentials
Everyday essentials — specifications for Note 4, N81.
SpecificationNote 4N81
Dimensions (HxWxD)
  • 159 Х 78.8 Х 8.4 mm
  • 102 Х 50 Х 17.9 mm
Weight
  • 198 g
  • 140 g
Technology
  • LTPS IPS LCD
  • TFT
Screen size
  • 5.7" inch
  • 2.4" inch
Screen resolution
  • 1080 x 1920 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 2 GB RAM
  • 12 MB
  • 96 MB RAM
Memory card support
  • microSD
  • up to 128 GB (dedicated slot)
  • microSD
  • up to 8 GB (dedicated slot)
  • 2 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 4300 mAh
  • Non-removable Li-Po
  • 1050 mAh
  • Removable Li-Po
Operating system OS
  • Android 7.0 (Nougat)
  • Symbian OS 9.2
  • Series 60 v3.1 UI
Chipset
  • Mediatek MT6753 (28 nm)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Note 4, N81.
SpecificationNote 4N81
Touchscreen
  • capacitive touchscreen
Unknown
Display colors
  • 16M
  • 16M
Screen area
  • 89.6 cm2
  • 17.8 cm2
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 71.5%
  • 35.0%
PPI /points per inch/
  • 386 PPI
  • 167 PPI
Camera and Video
Camera and Video — specifications for Note 4, N81.
SpecificationNote 4N81
Rear camera, main
  • 13 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 13 MP
  • AF
  • 2 MP
Functions
  • LED flash
  • LED flash
Video
  • 1080p@30fps
  • 320p@15fps
Front camera, selfie
  • 8 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 8 MP
  • 1.4µm
  • CIF videocall camera
Performance

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

Performance — specifications for Note 4, N81.
SpecificationNote 4N81
Processor CPU
  • Octa-core 1.3 GHz Cortex-A53
  • 369 MHz ARM 11
Graphics processor GPU
  • Mali-T720MP3
Unknown
Antutu 7 score *
  • 22385
Unknown
General specs
General specs — specifications for Note 4, N81.
SpecificationNote 4N81
Release date
  • 2018
  • 2007
  • August
Colors
  • Champagne Gold
  • Milan Black
  • Ice Blue
  • Cobalt blue
  • Graphite Grey
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 200 EUR
Battery life Unknown
  • Stand by time- Up to 410 h Talking time- Up to 4 h (2G) / 3 h (3G)
Body build
  • Front glass
  • aluminum body
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Note 4, N81.
SpecificationNote 4N81
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
  • Yes
  • 384 kbps
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n
  • hotspot
  • Wi-Fi 802.11b/g with UPnP
GPS
  • Yes
  • with A-GPS
  • No
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 2.0
  • A2DP
Harmful irradiation Unknown
  • SAR - 0.73 W/kg (head) 0.60 W/kg (body) SAR EU - 0.81 W/kg (head)
Music and Audio
Music and Audio — specifications for Note 4, N81.
SpecificationNote 4N81
Radio
  • FM radio
  • Stereo FM radio
Others Unknown
  • Touch-sensitive Navi wheel
Other features
Other features — specifications for Note 4, N81.
SpecificationNote 4N81
Dop
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • proximity
  • compass - Charging 9V/2A 18W
  • MP3/AAC/MP4 player -Predictive text input -Push to talk -Voice dial/memo -Organizer