Nokia N81 vs vivo X9 Plus

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

    N81: 59 g lighter

    N81:
    140 g
    X9 Plus:
    199 g
  • Width

    N81: 29 mm narrower

    N81:
    50 mm
    X9 Plus:
    79 mm
  • Screen diagonal

    N81: 3.48 in smaller diagonal

    N81:
    2.4 in
    X9 Plus:
    5.88 in
  • Depth

    X9 Plus: 10.4 mm thinner

    N81:
    17.9 mm
    X9 Plus:
    7.5 mm
  • Height

    N81: 60 mm shorter

    N81:
    102 mm
    X9 Plus:
    162 mm
  • Release year

    N81:
    2007
    X9 Plus:
    2016

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. N81

    Height:
    102 mm
    Width:
    50 mm
    Depth:
    17.9 mm +10.4 mm versus X9 Plus
  2. 2. X9 Plus

    Height:
    162 mm +60 mm versus N81
    Width:
    79 mm +29 mm versus N81
    Depth:
    7.5 mm

Weight

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

  1. 1. N81

    140 g

  2. 2. X9 Plus

    199 g

    +59 g versus N81

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. N81

    Screen diagonal:
    2.4 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    17.8 cm²
  2. 2. X9 Plus

    Screen diagonal:
    5.88 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    95.3 cm²

X9 Plus has approximately 434.3% 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 N81, X9 Plus, compared at the same storage capacity.
StorageN81X9 Plus
64 GB Unknown 6 GB RAM
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. N81

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

2. X9 Plus

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
No

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. N81

    1050 mAh

  2. 2. X9 Plus

    4000 mAh

    +2950 mAh versus N81

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. N812. X9 Plus

Everyday essentials
Everyday essentials — specifications for N81, X9 Plus.
SpecificationN81X9 Plus
Dimensions (HxWxD)
  • 102 Х 50 Х 17.9 mm
  • 162 Х 79 Х 7.5 mm
Weight
  • 140 g
  • 199 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.4" inch
  • 5.88" inch
Screen resolution
  • 240 x 320 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 12 MB
  • 96 MB RAM
  • 64 GB
  • 6 GB RAM
Memory card support
  • microSD
  • up to 8 GB (dedicated slot)
  • 2 GB included
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1050 mAh
  • Removable Li-Po
  • 4000 mAh
  • Non-removable Li-Ion
Operating system OS
  • Symbian OS 9.2
  • Series 60 v3.1 UI
  • Android 6.1 (Marshmallow)
  • upgradable to Android 8 (Oreo); Funtouch 3
Chipset Unknown
  • Qualcomm MSM8976 Pro Snapdragon 653 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for N81, X9 Plus.
SpecificationN81X9 Plus
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 17.8 cm2
  • 95.3 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 35.0%
  • 74.5%
PPI /points per inch/
  • 167 PPI
  • 375 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for N81, X9 Plus.
SpecificationN81X9 Plus
Rear camera, main
  • 2 MP
  • Single
  • 16 MP
  • Single
Camera specs
  • 2 MP
  • 16 MP
  • PDAF
  • f/2.0
Functions
  • LED flash
  • LED flash
  • panorama
  • HDR
Video
  • 320p@15fps
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 20 MP
  • Dual
Specifications
  • CIF videocall camera
  • 20 MP
  • f/2.0
  • 1/2.8'' 8 MP
Performance

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

Performance — specifications for N81, X9 Plus.
SpecificationN81X9 Plus
Processor CPU
  • 369 MHz ARM 11
  • Octa-core (4x1.95 GHz Cortex-A72 & 4x1.44 GHz Cortex-A53)
Graphics processor GPU Unknown
  • Adreno 510
Antutu 7 score * Unknown
  • 105322
GeekBench 4 Single Core * Unknown
  • 1430
GeekBench 4 Multi-Core * Unknown
  • 4466
GeekBench 4 RenderScript * Unknown
  • 4483
GeekBench 5 Single Core * Unknown
  • 291
GeekBench 5 Multi-Core * Unknown
  • 1123
General specs
General specs — specifications for N81, X9 Plus.
SpecificationN81X9 Plus
Release date
  • 2007
  • August
  • 2016
  • November
Colors
  • Cobalt blue
  • Graphite Grey
  • Gold
  • Rose Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 200 EUR
  • 580 EUR
Battery life
  • Stand by time- Up to 410 h Talking time- Up to 4 h (2G) / 3 h (3G)
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for N81, X9 Plus.
SpecificationN81X9 Plus
SIM card
  • Mini-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 CDMA2000 1xEV-DO & TD-SCDMA -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 8(900)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • Yes
  • 384 kbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11b/g with UPnP
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB Host
Bluetooth
  • 2.0
  • A2DP
  • 4.2
  • A2DP
  • LE
Harmful irradiation
  • SAR - 0.73 W/kg (head) 0.60 W/kg (body) SAR EU - 0.81 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for N81, X9 Plus.
SpecificationN81X9 Plus
Radio
  • Stereo FM radio
  • No
Others
  • Touch-sensitive Navi wheel
  • 32-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for N81, X9 Plus.
SpecificationN81X9 Plus
Dop
  • MP3/AAC/MP4 player -Predictive text input -Push to talk -Voice dial/memo -Organizer
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • proximity
  • compass - Fast battery charging