Nokia N81 vs Nokia X7-00

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: 6 g lighter

    N81:
    140 g
    X7-00:
    146 g
  • Width

    N81: 12.8 mm narrower

    N81:
    50 mm
    X7-00:
    62.8 mm
  • Screen diagonal

    N81: 1.6 in smaller diagonal

    N81:
    2.4 in
    X7-00:
    4 in
  • Depth

    X7-00: 6 mm thinner

    N81:
    17.9 mm
    X7-00:
    11.9 mm
  • Height

    N81: 17.7 mm shorter

    N81:
    102 mm
    X7-00:
    119.7 mm
  • Release year

    N81:
    2007
    X7-00:
    2011

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 +6 mm versus X7-00
  2. 2. X7-00

    Height:
    119.7 mm +17.7 mm versus N81
    Width:
    62.8 mm +12.8 mm versus N81
    Depth:
    11.9 mm

Weight

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

  1. 1. N81

    140 g

  2. 2. X7-00

    146 g

    +6 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. X7-00

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

X7-00 has approximately 147.3% 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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

N81: Original memory entry

12 MB · 96 MB RAM

X7-00: Original memory entry

256 MB RAM · 1 GB 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. N81

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

2. X7-00

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot) · 8 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. N81

    1050 mAh

  2. 2. X7-00

    1200 mAh

    +150 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. X7-00

Everyday essentials
Everyday essentials — specifications for N81, X7-00.
SpecificationN81X7-00
Dimensions (HxWxD)
  • 102 Х 50 Х 17.9 mm
  • 119.7 Х 62.8 Х 11.9 mm
Weight
  • 140 g
  • 146 g
Technology
  • TFT
  • AMOLED
Screen size
  • 2.4" inch
  • 4" inch
Screen resolution
  • 240 x 320 px
  • 360 x 640 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 12 MB
  • 96 MB RAM
  • 256 MB RAM
  • 1 GB ROM
Memory card support
  • microSD
  • up to 8 GB (dedicated slot)
  • 2 GB included
  • microSD
  • up to 32 GB (dedicated slot)
  • 8 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 1050 mAh
  • Removable Li-Po
  • 1200 mAh
  • Removable Li-Ion
Operating system OS
  • Symbian OS 9.2
  • Series 60 v3.1 UI
  • Symbian Anna
  • upgradable to Nokia Belle OS
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for N81, X7-00.
SpecificationN81X7-00
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 17.8 cm2
  • 44.1 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 35.0%
  • 58.7%
PPI /points per inch/
  • 167 PPI
  • 184 PPI
Screen protection Unknown
  • Corning Gorilla Glass
Camera and Video
Camera and Video — specifications for N81, X7-00.
SpecificationN81X7-00
Rear camera, main
  • 2 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 2 MP
  • 8 MP
Functions
  • LED flash
  • Dual-LED flash
Video
  • 320p@15fps
  • 720p@25fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Specifications
  • CIF videocall camera
Unknown
Performance
Performance — specifications for N81, X7-00.
SpecificationN81X7-00
Processor CPU
  • 369 MHz ARM 11
  • 680 MHz ARM 11
Graphics processor GPU Unknown
  • Broadcom BCM2727
General specs
General specs — specifications for N81, X7-00.
SpecificationN81X7-00
Release date
  • 2007
  • August
  • 2011
  • April
Colors
  • Cobalt blue
  • Graphite Grey
  • Dark steel
  • Silver steel
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 200 EUR
  • 180 EUR
Battery life
  • Stand by time- Up to 410 h Talking time- Up to 4 h (2G) / 3 h (3G)
  • Stand by time- Up to 450 h (2G) / Up to 450 h (3G) Talking time- Up to 6 h 30 min (2G) / Up to 4 h 30 min (3G) Music play - Up to 50 h
Communication and Connectivity
Communication and Connectivity — specifications for N81, X7-00.
SpecificationN81X7-00
SIM card
  • Mini-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • Yes
  • 384 kbps
  • HSPA 10.2/2 Mbps
GPRS
  • Class 10
  • Class 33
Edge
  • Yes
  • Class 33
Wi-Fi
  • Wi-Fi 802.11b/g with UPnP
  • Wi-Fi 802.11 b/g/n
GPS
  • No
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB Host
Bluetooth
  • 2.0
  • A2DP
  • 3.0
  • A2DP
Harmful irradiation
  • SAR - 0.73 W/kg (head) 0.60 W/kg (body) SAR EU - 0.81 W/kg (head)
  • SAR EU - 0.61 W/kg (head)
Music and Audio
Music and Audio — specifications for N81, X7-00.
SpecificationN81X7-00
Radio
  • Stereo FM radio
  • Stereo FM radio
  • RDS
Others
  • Touch-sensitive Navi wheel
Unknown
Other features
Other features — specifications for N81, X7-00.
SpecificationN81X7-00
Dop
  • MP3/AAC/MP4 player -Predictive text input -Push to talk -Voice dial/memo -Organizer
  • Sensors Accelerometer
  • proximity - Stainless steel panels -MP3/WMA/WAV/eAAC+ player -DivX/XviD/MP4/H.264/WMV player -Quickoffice document viewer (Word
  • Excel
  • PowerPoint
  • PDF) -Adobe Reader -Voice memo/dial/command -Predictive text input