Nokia N81 8GB vs Thuraya SG-2520

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 8GB: 30 g lighter

    N81 8GB:
    140 g
    SG-2520:
    170 g
  • Width

    N81 8GB: 3 mm narrower

    N81 8GB:
    50 mm
    SG-2520:
    53 mm
  • Screen diagonal

    SG-2520: 0.5 in smaller diagonal

    N81 8GB:
    2.4 in
    SG-2520:
    1.9 in
  • Depth

    N81 8GB: 0.9 mm thinner

    N81 8GB:
    17.9 mm
    SG-2520:
    18.8 mm
  • Height

    N81 8GB: 36.5 mm shorter

    N81 8GB:
    102 mm
    SG-2520:
    138.5 mm

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 8GB

    Height:
    102 mm
    Width:
    50 mm
    Depth:
    17.9 mm
  2. 2. SG-2520

    Height:
    138.5 mm +36.5 mm versus N81 8GB
    Width:
    53 mm +3 mm versus N81 8GB
    Depth:
    18.8 mm +0.9 mm versus N81 8GB

Weight

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

  1. 1. N81 8GB

    140 g

  2. 2. SG-2520

    170 g

    +30 g versus N81 8GB

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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. N81 8GB

    Screen diagonal:
    2.4 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    17.8 cm²
  2. 2. SG-2520

    SG-2520: Screen geometry unavailable or conflicting.

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 8GB: Original memory entry

8 GB · 96 MB RAM

SG-2520: Original memory entry

128 MB

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 8GB

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

2. SG-2520

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details SD ( 128 MB 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 8GB

    1050 mAh

  2. 2. SG-2520

    1280 mAh

    +230 mAh versus N81 8GB

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. N81 8GB2. SG-2520

Everyday essentials
Everyday essentials — specifications for N81 8GB, SG-2520.
SpecificationN81 8GBSG-2520
Dimensions (HxWxD)
  • 102 Х 50 Х 17.9 mm
  • 138.5 Х 53 Х 18.8 mm
Weight
  • 140 g
  • 170 g
Technology
  • TFT
  • TFT
Screen size
  • 2.4" inch
  • 1.9" inch
Screen resolution
  • 240 x 320 px
  • 176 x 220 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 96 MB RAM
  • 128 MB
Memory card support
  • No
  • SD ( 128 MB included )
Battery Capacity is not battery life. No endurance test is implied.
  • 1050 mAh
  • Removable Li-Po
  • 1280 mAh
  • Removable Li-Ion
Operating system OS
  • Symbian OS 9.2
  • Series 60 v3.1 UI
  • WinCE 4.2
Headphone jack
  • Yes
  • No
Display
Display — specifications for N81 8GB, SG-2520.
SpecificationN81 8GBSG-2520
Display colors
  • 16M
  • 256K
Screen area
  • 17.8 cm2
  • 11.4 cm2
Screen format
  • 4:3 (height:width)
Unknown
Screen to body ratio
  • 35.0%
  • 15.5%
PPI /points per inch/
  • 167 PPI
  • 0 PPI
Camera and Video
Camera and Video — specifications for N81 8GB, SG-2520.
SpecificationN81 8GBSG-2520
Rear camera, main
  • 2 MP
  • Single
  • 1.3 MP
  • Single
Camera specs
  • 2 MP
  • 1.3 MP
Functions
  • LED flash
Unknown
Video
  • 320p@15fps
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Specifications
  • CIF videocall camera
Unknown
Performance
Performance — specifications for N81 8GB, SG-2520.
SpecificationN81 8GBSG-2520
Processor CPU
  • 369 MHz ARM 11
Unknown
General specs
General specs — specifications for N81 8GB, SG-2520.
SpecificationN81 8GBSG-2520
Release date
  • 2007
  • August
  • 2007
  • March
Colors
  • Cocoa brown
  • Light Silver
  • Dark Gray
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 200 EUR
Unknown
Battery life
  • Stand by time- Up to 410 h Talking time- Up to 4 h (2G) / 3 h (3G)
  • Stand by time- Up to 75 h Talking time- Up to 4 h
Communication and Connectivity
Communication and Connectivity — specifications for N81 8GB, SG-2520.
SpecificationN81 8GBSG-2520
SIM card
  • Mini-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Unknown
Speed
  • Yes
  • 384 kbps
Unknown
GPRS
  • Class 10
  • Class 10
Edge
  • Yes
  • No
Wi-Fi
  • Wi-Fi 802.11b/g with UPnP
  • No
GPS
  • No
  • Yes
USB
  • microUSB 2.0
  • 1.1
Bluetooth
  • 2.0
  • A2DP
  • 1.1
Harmful irradiation
  • SAR - 0.81 W/kg (head) 0.60 W/kg (body) SAR EU - 0.73 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for N81 8GB, SG-2520.
SpecificationN81 8GBSG-2520
Radio
  • Stereo FM radio
  • No
Others
  • Touch-sensitive Navi wheel
  • Wallpapers
  • screensavers
Other features
Other features — specifications for N81 8GB, SG-2520.
SpecificationN81 8GBSG-2520
Dop
  • WMV/RV/MP4/3GP player -MP3/WMA/WAV/RA/AAC/M4A player -Predictive text input -Push to talk -Voice dial/memo -Organizer
  • Infrared port - MP3/AAC/MP4/AMR player -eZi Text Input -Organizer -Voice memo -File browser