Motorola EM30 vs O2 XDA Star

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

    EM30: 20 g lighter

    EM30:
    100 g
    XDA Star:
    120 g
  • Width

    EM30: 2 mm narrower

    EM30:
    53 mm
    XDA Star:
    55 mm
  • Screen diagonal

    EM30: 0.6 in smaller diagonal

    EM30:
    2 in
    XDA Star:
    2.6 in
  • Depth

    EM30: 5.2 mm thinner

    EM30:
    10.6 mm
    XDA Star:
    15.8 mm
  • Height

    XDA Star: 8 mm shorter

    EM30:
    115 mm
    XDA Star:
    107 mm
  • Release year

    EM30:
    2008
    XDA Star:
    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. EM30

    Height:
    115 mm +8 mm versus XDA Star
    Width:
    53 mm
    Depth:
    10.6 mm
  2. 2. XDA Star

    Height:
    107 mm
    Width:
    55 mm +2 mm versus EM30
    Depth:
    15.8 mm +5.2 mm versus EM30

Weight

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

  1. 1. EM30

    100 g

  2. 2. XDA Star

    120 g

    +20 g versus EM30

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. EM30

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

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

XDA Star has approximately 69% more rectangular screen area than EM30.

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.

XDA Star: Original memory entry

96 MB RAM · 128 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. EM30

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 8 GB (dedicated slot)

2. XDA Star

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD

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. EM30

    970 mAh

  2. 2. XDA Star

    1120 mAh

    +150 mAh versus EM30

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. EM302. XDA Star

Everyday essentials
Everyday essentials — specifications for EM30, XDA Star.
SpecificationEM30XDA Star
Dimensions (HxWxD)
  • 115 Х 53 Х 10.6 mm
  • 107 Х 55 Х 15.8 mm
Weight
  • 100 g
  • 120 g
Technology
  • TFT
  • TFT
Screen size
  • 2" inch
  • 2.6" inch
Screen resolution
  • 320 x 240 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded. Unknown
  • 96 MB RAM
  • 128 MB ROM
Memory card support
  • microSD
  • up to 8 GB (dedicated slot)
  • microSD
Battery Capacity is not battery life. No endurance test is implied.
  • 970 mAh
  • Removable Li-Ion
  • 1120 mAh
  • Removable Li-Ion
Operating system OS
  • Linux / Java-based MOTOMAGX
  • Microsoft Windows Mobile 6.0 Professional
Chipset Unknown
  • Qualcomm MSM7200
Headphone jack
  • Yes
  • No
Display
Display — specifications for EM30, XDA Star.
SpecificationEM30XDA Star
Touchscreen Unknown
  • resistive touchscreen
Display colors
  • 256K
  • 65K
Screen area
  • 12.4 cm2
  • 20.9 cm2
Screen format
  • 4:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 20.3%
  • 35.6%
PPI /points per inch/
  • 200 PPI
  • 154 PPI
Camera and Video
Camera and Video — specifications for EM30, XDA Star.
SpecificationEM30XDA Star
Rear camera, main
  • 2 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 2 MP
  • 2 MP
Video
  • Yes
  • Yes
Front camera, selfie
  • 0 MP,
  • 0.3 MP
  • Single
Specifications Unknown
  • CIF videocall camera
Performance
Performance — specifications for EM30, XDA Star.
SpecificationEM30XDA Star
Processor CPU Unknown
  • 400 MHz ARM 11
Graphics processor GPU Unknown
  • Adreno 130
General specs
General specs — specifications for EM30, XDA Star.
SpecificationEM30XDA Star
Release date
  • 2008
  • August
  • 2007
  • October
Colors
  • Black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 60 EUR
Unknown
Battery life
  • Stand by time- Up to 300 h Talking time- Up to 6 h
  • Stand by time- Up to 250 h Talking time- Up to 5 h
Communication and Connectivity
Communication and Connectivity — specifications for EM30, XDA Star.
SpecificationEM30XDA Star
SIM card
  • Mini-SIM
  • Mini-SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed Unknown
  • HSPA 3.6/0.384 Mbps
GPRS
  • Class 12
  • Class 10
Edge
  • Class 12
  • Yes
Wi-Fi
  • No
  • No
GPS
  • No
  • No
USB
  • 2.0
  • miniUSB
Bluetooth
  • 2.0
  • A2DP
  • 2.0
Harmful irradiation
  • SAR - 0.60 W/kg (head) 0.71 W/kg (body) SAR EU - 0.79 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for EM30, XDA Star.
SpecificationEM30XDA Star
Radio
  • Stereo FM radio
  • RDS
  • No
Others
  • Screensavers and wallpapers -Downloadable logos
  • TouchFLO finger swipe navigation -Handwriting recognition
Other features
Other features — specifications for EM30, XDA Star.
SpecificationEM30XDA Star
Dop
  • MP3/AAC player -Organizer -Voice dial -Voice memo
  • Pocket Office -Voice memo -MP3/AAC player HTC Nike platform