Nokia 6121 classic vs O2 XDA IIs

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

    6121 classic: 121 g lighter

    6121 classic:
    89 g
    XDA IIs:
    210 g
  • Width

    6121 classic: 25 mm narrower

    6121 classic:
    46 mm
    XDA IIs:
    71 mm
  • Screen diagonal

    6121 classic: 1.5 in smaller diagonal

    6121 classic:
    2 in
    XDA IIs:
    3.5 in
  • Depth

    6121 classic: 4 mm thinner

    6121 classic:
    15 mm
    XDA IIs:
    19 mm
  • Height

    6121 classic: 20 mm shorter

    6121 classic:
    105 mm
    XDA IIs:
    125 mm
  • Release year

    6121 classic:
    2007
    XDA IIs:
    2004

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. 6121 classic

    Height:
    105 mm
    Width:
    46 mm
    Depth:
    15 mm
  2. 2. XDA IIs

    Height:
    125 mm +20 mm versus 6121 classic
    Width:
    71 mm +25 mm versus 6121 classic
    Depth:
    19 mm +4 mm versus 6121 classic

Weight

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

  1. 1. 6121 classic

    89 g

  2. 2. XDA IIs

    210 g

    +121 g versus 6121 classic

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. 6121 classic

    Screen diagonal:
    2 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    12.4 cm²
  2. 2. XDA IIs

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

XDA IIs has approximately 206.2% more rectangular screen area than 6121 classic.

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.

6121 classic: Original memory entry

32 MB · 64 MB RAM · 128 MB ROM

XDA IIs: Original memory entry

128 MB RAM · 96 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. 6121 classic

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD · up to 8 GB (dedicated slot)

2. XDA IIs

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

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. 6121 classic

    890 mAh

  2. 2. XDA IIs

    1490 mAh

    +600 mAh versus 6121 classic

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. 6121 classic2. XDA IIs

Everyday essentials
Everyday essentials — specifications for 6121 classic, XDA IIs.
Specification6121 classicXDA IIs
Dimensions (HxWxD)
  • 105 Х 46 Х 15 mm
  • 125 Х 71 Х 19 mm
Weight
  • 89 g
  • 210 g
Technology
  • TFT
  • TFT
Screen size
  • 2" inch
  • 3.5" 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
  • 64 MB RAM
  • 128 MB ROM
  • 128 MB RAM
  • 96 MB ROM
Memory card support
  • microSD
  • up to 8 GB (dedicated slot)
  • MMC/SDIO
Battery Capacity is not battery life. No endurance test is implied.
  • 890 mAh
  • Removable Li-Ion
  • 1490 mAh
  • Removable Li-Po
Operating system OS
  • Symbian 9.2
  • S60 rel. 3.1
  • Microsoft Windows Mobile 2003 SE PocketPC
Headphone jack
  • No
  • No
Display
Display — specifications for 6121 classic, XDA IIs.
Specification6121 classicXDA IIs
Touchscreen Unknown
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 12.4 cm2
  • 37.9 cm2
Screen format
  • 4:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 25.6%
  • 42.7%
PPI /points per inch/
  • 200 PPI
  • 114 PPI
Camera and Video
Camera and Video — specifications for 6121 classic, XDA IIs.
Specification6121 classicXDA IIs
Rear camera, main
  • 2 MP
  • Single
  • 0.3 MP
  • Single
Camera specs
  • 2 MP
Unknown
Functions
  • LED flash
Unknown
Video
  • 320p
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Specifications
  • VGA videocall camera
Unknown
Performance
Performance — specifications for 6121 classic, XDA IIs.
Specification6121 classicXDA IIs
Processor CPU
  • 369 MHz ARM 11
  • Intel XScale PXA263 400 MHz
General specs
General specs — specifications for 6121 classic, XDA IIs.
Specification6121 classicXDA IIs
Release date
  • 2007
  • June
  • 2004
  • Q4
Colors
  • Black
  • Pearl White
  • Pink
  • Sand Gold
Unknown
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 180 EUR
Unknown
Battery life
  • Stand by time- Up to 250 h (2G) / 240 h (3G) Talking time- Up to 3 h (2G) / 2 h 24 min (3G)
  • Stand by time- Up to 168 h Talking time- Up to 4 h
Communication and Connectivity
Communication and Connectivity — specifications for 6121 classic, XDA IIs.
Specification6121 classicXDA IIs
SIM card
  • Mini-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Unknown
Speed
  • HSPA 3.6/0.384 Mbps
Unknown
GPRS
  • Class 32
  • Class 10
Edge
  • Class 32
  • 296 / 177.6 kbits
  • No
Wi-Fi
  • No
  • Wi-Fi 802.11b
GPS
  • No
  • No
USB
  • miniUSB
  • Proprietary
Bluetooth
  • 2.0
  • A2DP
  • Yes
Harmful irradiation
  • SAR - 1.22 W/kg (head) 1.13 W/kg (body) SAR EU - 1.18 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for 6121 classic, XDA IIs.
Specification6121 classicXDA IIs
Radio
  • Stereo FM radio
  • No
Others
  • Downloadable wallpapers
  • screensavers
  • Handwriting recognition
Other features
Other features — specifications for 6121 classic, XDA IIs.
Specification6121 classicXDA IIs
Dop
  • Push to talk -WMV/RV/MP4/3GP player -MP3/WMA/WAV/RA/AAC/M4A player -Document viewer (Word
  • Excel
  • PowerPoint
  • PDF) -Voice memo/dial -Predictive text input -Organizer
  • Infrared port - Pocket Office -MP3/MP4 player -Voice memo - Produced by HTC. Functionally identical to Qtek 9090
  • i-mate PDA2k
  • T-Mobile MDA III and Orange SPV M2000.