Mitac MIO Explora K75 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

    MIO Explora K75: 25 g lighter

    MIO Explora K75:
    115 g
    N81:
    140 g
  • Width

    N81: 11.5 mm narrower

    MIO Explora K75:
    61.5 mm
    N81:
    50 mm
  • Screen diagonal

    N81: 1.1 in smaller diagonal

    MIO Explora K75:
    3.5 in
    N81:
    2.4 in
  • Depth

    MIO Explora K75: 6 mm thinner

    MIO Explora K75:
    11.9 mm
    N81:
    17.9 mm
  • Height

    N81: 13.3 mm shorter

    MIO Explora K75:
    115.3 mm
    N81:
    102 mm
  • Release year

    MIO Explora K75:
    2009
    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. MIO Explora K75

    Height:
    115.3 mm +13.3 mm versus N81
    Width:
    61.5 mm +11.5 mm versus N81
    Depth:
    11.9 mm
  2. 2. N81

    Height:
    102 mm
    Width:
    50 mm
    Depth:
    17.9 mm +6 mm versus MIO Explora K75

Weight

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

  1. 1. MIO Explora K75

    115 g

  2. 2. N81

    140 g

    +25 g versus MIO Explora K75

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. MIO Explora K75

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    34.9 cm²
  2. 2. N81

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

MIO Explora K75 has approximately 95.5% 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.

MIO Explora K75: Original memory entry

128 MB RAM · 256 MB ROM

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. MIO Explora K75

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD (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. MIO Explora K75

    1000 mAh

  2. 2. N81

    1050 mAh

    +50 mAh versus MIO Explora K75

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. MIO Explora K752. N81

Everyday essentials
Everyday essentials — specifications for MIO Explora K75, N81.
SpecificationMIO Explora K75N81
Dimensions (HxWxD)
  • 115.3 Х 61.5 Х 11.9 mm
  • 102 Х 50 Х 17.9 mm
Weight
  • 115 g
  • 140 g
Technology
  • TFT
  • TFT
Screen size
  • 3.5" inch
  • 2.4" inch
Screen resolution
  • 240 x 400 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128 MB RAM
  • 256 MB ROM
  • 12 MB
  • 96 MB RAM
Memory card support
  • microSD (dedicated slot)
  • microSD
  • up to 8 GB (dedicated slot)
  • 2 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 1000 mAh
  • Removable Li-Ion
  • 1050 mAh
  • Removable Li-Po
Operating system OS
  • Windows Mobile 6.1 Professional
  • Symbian OS 9.2
  • Series 60 v3.1 UI
Chipset
  • Qualcomm MSM7201A
Unknown
Headphone jack
  • No
  • Yes
Display
Display — specifications for MIO Explora K75, N81.
SpecificationMIO Explora K75N81
Touchscreen
  • resistive touchscreen
Unknown
Display colors Unknown
  • 16M
Screen area
  • 34.9 cm2
  • 17.8 cm2
Screen format
  • 5:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 49.2%
  • 35.0%
PPI /points per inch/
  • 133 PPI
  • 167 PPI
Camera and Video
Camera and Video — specifications for MIO Explora K75, N81.
SpecificationMIO Explora K75N81
Rear camera, main
  • 3.15 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 3.15 MP
  • 2 MP
Functions Unknown
  • LED flash
Video
  • Yes
  • 320p@15fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • VGA videocall camera
  • CIF videocall camera
Performance
Performance — specifications for MIO Explora K75, N81.
SpecificationMIO Explora K75N81
Processor CPU
  • 528 MHz ARM 11
  • 369 MHz ARM 11
Graphics processor GPU
  • Adreno 130
Unknown
General specs
General specs — specifications for MIO Explora K75, N81.
SpecificationMIO Explora K75N81
Release date
  • 2009
  • June
  • 2007
  • August
Colors
  • Black
  • 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 200 h Talking time- Up to 4 h 30 min
  • 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 MIO Explora K75, N81.
SpecificationMIO Explora K75N81
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
  • HSPA
  • Yes
  • 384 kbps
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g
  • Wi-Fi 802.11b/g with UPnP
GPS
  • Yes
  • Qualcomm gpsOne
  • No
USB
  • miniUSB 2.0
  • microUSB 2.0
Bluetooth
  • 2.1
  • A2DP
  • 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 MIO Explora K75, N81.
SpecificationMIO Explora K75N81
Radio
  • No
  • Stereo FM radio
Others
  • Handwriting recognition
  • Touch-sensitive Navi wheel
Other features
Other features — specifications for MIO Explora K75, N81.
SpecificationMIO Explora K75N81
Dop
  • Sensors Accelerometer
  • Infrared port - MIO Spirit Mobile navigation -MP3/MP4 player -Organizer -Pocket Office -Voice memo/dial
  • MP3/AAC/MP4 player -Predictive text input -Push to talk -Voice dial/memo -Organizer