Nokia 6681 vs O2 XDA Serra

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

    6681: 34 g lighter

    6681:
    131 g
    XDA Serra:
    165 g
  • Width

    XDA Serra: 4.2 mm narrower

    6681:
    55.2 mm
    XDA Serra:
    51 mm
  • Screen diagonal

    6681: 0.7 in smaller diagonal

    6681:
    2.1 in
    XDA Serra:
    2.8 in
  • Chipset

    6681:
    TI OMAP 1710
    XDA Serra:
    Qualcomm MSM7201A
  • Depth

    XDA Serra: 2.4 mm thinner

    6681:
    20.5 mm
    XDA Serra:
    18.1 mm
  • Height

    XDA Serra: 6.4 mm shorter

    6681:
    108.4 mm
    XDA Serra:
    102 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. 6681

    Height:
    108.4 mm +6.4 mm versus XDA Serra
    Width:
    55.2 mm +4.2 mm versus XDA Serra
    Depth:
    20.5 mm +2.4 mm versus XDA Serra
  2. 2. XDA Serra

    Height:
    102 mm
    Width:
    51 mm
    Depth:
    18.1 mm

Weight

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

  1. 1. 6681

    131 g

  2. 2. XDA Serra

    165 g

    +34 g versus 6681

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. 6681

    6681: Screen geometry unavailable or conflicting.

  2. 2. XDA Serra

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

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.

6681: Original memory entry

8 MB

XDA Serra: Original memory entry

288 MB RAM · 512 MB 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. 6681

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details RS-DV-MMC · 64 MB included

2. XDA Serra

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD (dedicated slot)

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. 6681

    900 mAh

  2. 2. XDA Serra

    1340 mAh

    +440 mAh versus 6681

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. 66812. XDA Serra

Everyday essentials
Everyday essentials — specifications for 6681, XDA Serra.
Specification6681XDA Serra
Dimensions (HxWxD)
  • 108.4 Х 55.2 Х 20.5 mm
  • 102 Х 51 Х 18.1 mm
Weight
  • 131 g
  • 165 g
Technology
  • TFT
  • TFT
Screen size
  • 2.1" inch
  • 2.8" inch
Screen resolution
  • 176 x 208 px
  • 480 x 640 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 MB
  • 288 MB RAM
  • 512 MB ROM
Memory card support
  • RS-DV-MMC
  • 64 MB included
  • microSD (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 900 mAh
  • Removable Li-Ion
  • 1340 mAh
  • Removable Li-Ion
Operating system OS
  • Symbian OS 8.0a
  • Series 60 2nd Edition
  • Microsoft Windows Mobile 6.1 Professional
Chipset
  • TI OMAP 1710
  • Qualcomm MSM7201A
Headphone jack
  • No
  • No
Display
Display — specifications for 6681, XDA Serra.
Specification6681XDA Serra
Touchscreen Unknown
  • resistive touchscreen
Display colors
  • 256K
  • 65K
Screen area
  • 14.0 cm2
  • 24.3 cm2
Screen format Unknown
  • 4:3 (height:width)
Screen to body ratio
  • 23.4%
  • 46.7%
PPI /points per inch/
  • 0 PPI
  • 286 PPI
Camera and Video
Camera and Video — specifications for 6681, XDA Serra.
Specification6681XDA Serra
Rear camera, main
  • 1.3 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 1.3 MP
  • 3.15 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • Yes
  • Yes
Front camera, selfie
  • 0 MP,
  • 0.3 MP
  • Single
Specifications Unknown
  • VGA videocall camera
Performance
Performance — specifications for 6681, XDA Serra.
Specification6681XDA Serra
Processor CPU
  • 220 MHz ARM926EJ-S
  • 528 MHz ARM 11
Graphics processor GPU Unknown
  • Adreno 130
General specs
General specs — specifications for 6681, XDA Serra.
Specification6681XDA Serra
Release date
  • 2005
  • Q1
  • 2008
  • July
Colors
  • Electric Blue
  • Pearl White
  • Black
Battery life
  • Stand by time- Up to 240 h Talking time- Up to 6 h
  • Stand by time- Up to 406 h Talking time- Up to 8 h
Communication and Connectivity
Communication and Connectivity — specifications for 6681, XDA Serra.
Specification6681XDA Serra
SIM card
  • Mini-SIM
  • Mini-SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed Unknown
  • HSPA 7.2/0.384 Mbps
GPRS
  • Class 10
  • Class 10
Edge
  • Class 10
  • Class 10
Wi-Fi
  • No
  • Wi-Fi 802.11 b/g
GPS
  • No
  • Yes
  • with A-GPS
USB
  • Pop-Port
  • miniUSB
Bluetooth
  • 1.2
  • 2.0
  • A2DP
Harmful irradiation
  • SAR - 0.78 W/kg (head) 0.47 W/kg (body) SAR EU - 0.83 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for 6681, XDA Serra.
Specification6681XDA Serra
Radio
  • No
  • Stereo FM radio
  • RDS
Others
  • 5-way navi key -Downloadable themes
  • Handwriting recognition
Other features
Other features — specifications for 6681, XDA Serra.
Specification6681XDA Serra
Dop
  • Push to talk -MP3/AAC/MP4 player -Predictive text input -Organizer -Voice command/memo
  • Sensors Accelerometer MP3/WAV/WMA player -MP4/WMV/3gp player -Pocket Office -Voice memo -Predictive text input