Motorola MPx vs Nokia N81

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: 34 g lighter

    MPx:
    174 g
    N81:
    140 g
  • Width

    N81: 11.2 mm narrower

    MPx:
    61.2 mm
    N81:
    50 mm
  • Screen diagonal

    N81: 0.4 in smaller diagonal

    MPx:
    2.8 in
    N81:
    2.4 in
  • Depth

    N81: 6.1 mm thinner

    MPx:
    24 mm
    N81:
    17.9 mm
  • Height

    MPx: 2.3 mm shorter

    MPx:
    99.7 mm
    N81:
    102 mm
  • Release year

    MPx:
    2004
    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. MPx

    Height:
    99.7 mm
    Width:
    61.2 mm +11.2 mm versus N81
    Depth:
    24 mm +6.1 mm versus N81
  2. 2. N81

    Height:
    102 mm +2.3 mm versus MPx
    Width:
    50 mm
    Depth:
    17.9 mm

Weight

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

  1. 1. MPx

    174 g

    +34 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. MPx

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 cm²
  2. 2. N81

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

MPx has approximately 36.1% 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.

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

MPx: Original memory entry

32 MB

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. MPx

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details MMC/SD

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. MPx

    960 mAh

  2. 2. N81

    1050 mAh

    +90 mAh versus MPx

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. MPx2. N81

Everyday essentials
Everyday essentials — specifications for MPx, N81.
SpecificationMPxN81
Dimensions (HxWxD)
  • 99.7 Х 61.2 Х 24 mm
  • 102 Х 50 Х 17.9 mm
Weight
  • 174 g
  • 140 g
Technology
  • TFT
  • TFT
Screen size
  • 2.8" inch
  • 2.4" inch
Screen resolution
  • 240 x 320 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 MB
  • 12 MB
  • 96 MB RAM
Memory card support
  • MMC/SD
  • microSD
  • up to 8 GB (dedicated slot)
  • 2 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 960 mAh
  • Removable Li-Ion
  • 1050 mAh
  • Removable Li-Po
Operating system OS
  • Microsoft PocketPC 2003 SE
  • Symbian OS 9.2
  • Series 60 v3.1 UI
Chipset
  • TI OMAP 1710
Unknown
Headphone jack
  • No
  • Yes
Display
Display — specifications for MPx, N81.
SpecificationMPxN81
Touchscreen
  • resistive touchscreen
Unknown
Display colors
  • 65K
  • 16M
Screen area
  • 24.3 cm2
  • 17.8 cm2
Screen format
  • 4:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 39.8%
  • 35.0%
PPI /points per inch/
  • 143 PPI
  • 167 PPI
Camera and Video
Camera and Video — specifications for MPx, N81.
SpecificationMPxN81
Rear camera, main
  • 1.3 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 1.3 MP
  • 2 MP
Functions
  • LED flash
  • LED flash
Video
  • Yes
  • 320p@15fps
Front camera, selfie
  • 0 MP,
  • 0.3 MP
  • Single
Specifications Unknown
  • CIF videocall camera
Performance
Performance — specifications for MPx, N81.
SpecificationMPxN81
Processor CPU
  • 200 MHz ARM926EJ-S
  • 369 MHz ARM 11
General specs
General specs — specifications for MPx, N81.
SpecificationMPxN81
Release date
  • 2004
  • Q1
  • 2007
  • August
Colors Unknown
  • Cobalt blue
  • Graphite Grey
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 200 EUR
Battery life
  • Stand by time- Up to 100 h Talking time- Up to 3 h
  • Stand by time- Up to 410 h Talking time- Up to 4 h (2G) / 3 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for MPx, N81.
SpecificationMPxN81
SIM card
  • Mini-SIM
  • Mini-SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed Unknown
  • Yes
  • 384 kbps
GPRS
  • Yes
  • Class 10
Edge
  • No
  • Yes
Wi-Fi
  • Wi-Fi 802.11b
  • Wi-Fi 802.11b/g with UPnP
GPS
  • No
  • No
USB
  • Proprietary
  • microUSB 2.0
Bluetooth
  • 1.1
  • 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 MPx, N81.
SpecificationMPxN81
Radio
  • No
  • Stereo FM radio
Others
  • Second color STN display (96 x 64 pixels) -Dual hinges allow to open the device in both portrait and landscape mode
  • Touch-sensitive Navi wheel
Other features
Other features — specifications for MPx, N81.
SpecificationMPxN81
Dop
  • Infrared port - Pocket Office (Word
  • Excel
  • PowerPoint
  • PDF viewer) -MP3/AAC/AAC+/WMA/OGG/AMR player -WMV/MP4 player - Also known as MPx300
  • MP3/AAC/MP4 player -Predictive text input -Push to talk -Voice dial/memo -Organizer