LG Optimus 2X vs O2 XDA Stellar

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

    Optimus 2X: 51 g lighter

    Optimus 2X:
    139 g
    XDA Stellar:
    190 g
  • Width

    XDA Stellar: 4.2 mm narrower

    Optimus 2X:
    63.2 mm
    XDA Stellar:
    59 mm
  • Screen diagonal

    XDA Stellar: 1.2 in smaller diagonal

    Optimus 2X:
    4 in
    XDA Stellar:
    2.8 in
  • Depth

    Optimus 2X: 7.7 mm thinner

    Optimus 2X:
    10.9 mm
    XDA Stellar:
    18.6 mm
  • Height

    XDA Stellar: 11.9 mm shorter

    Optimus 2X:
    123.9 mm
    XDA Stellar:
    112 mm
  • Release year

    Optimus 2X:
    2010
    XDA Stellar:
    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. Optimus 2X

    Height:
    123.9 mm +11.9 mm versus XDA Stellar
    Width:
    63.2 mm +4.2 mm versus XDA Stellar
    Depth:
    10.9 mm
  2. 2. XDA Stellar

    Height:
    112 mm
    Width:
    59 mm
    Depth:
    18.6 mm +7.7 mm versus Optimus 2X

Weight

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

  1. 1. Optimus 2X

    139 g

  2. 2. XDA Stellar

    190 g

    +51 g versus Optimus 2X

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. Optimus 2X

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. XDA Stellar

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

Optimus 2X has approximately 87.6% more rectangular screen area than XDA Stellar.

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.

Optimus 2X: Original memory entry

8 GB · 512 MB RAM

XDA Stellar: Original memory entry

128 MB RAM · 256 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. Optimus 2X

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot)

2. XDA Stellar

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. Optimus 2X

    1500 mAh

    +150 mAh versus XDA Stellar

  2. 2. XDA Stellar

    1350 mAh

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. Optimus 2X2. XDA Stellar

Everyday essentials
Everyday essentials — specifications for Optimus 2X, XDA Stellar.
SpecificationOptimus 2XXDA Stellar
Dimensions (HxWxD)
  • 123.9 Х 63.2 Х 10.9 mm
  • 112 Х 59 Х 18.6 mm
Weight
  • 139 g
  • 190 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 4" inch
  • 2.8" inch
Screen resolution
  • 480 x 800 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 512 MB RAM
  • 128 MB RAM
  • 256 MB ROM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 1350 mAh
  • Removable Li-Ion
Operating system OS
  • Android 2.2 (Froyo)
  • 2.3
  • upgradable to 4.0 (Ice Cream Sandwich)
  • Microsoft Windows Mobile 6.0 Professional
Chipset
  • Nvidia Tegra 2 AP20H
  • Qualcomm MSM7200
Headphone jack
  • Yes
  • No
Display
Display — specifications for Optimus 2X, XDA Stellar.
SpecificationOptimus 2XXDA Stellar
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 45.5 cm2
  • 24.3 cm2
Screen format
  • 5:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 58.2%
  • 36.7%
PPI /points per inch/
  • 233 PPI
  • 143 PPI
Screen protection
  • Corning Gorilla Glass
Unknown
Camera and Video
Camera and Video — specifications for Optimus 2X, XDA Stellar.
SpecificationOptimus 2XXDA Stellar
Rear camera, main
  • 8 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 3.15 MP
  • AF
Functions
  • LED flash
Unknown
Video
  • 1080p@24fps
  • 720p@30fps
  • Yes
Front camera, selfie
  • 1.3 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 1.3 MP
  • VGA videocall camera
Performance
Performance — specifications for Optimus 2X, XDA Stellar.
SpecificationOptimus 2XXDA Stellar
Processor CPU
  • Dual-core 1.0 GHz Cortex-A9
  • 400 MHz ARM 11
Graphics processor GPU
  • ULP GeForce
  • Adreno 130
General specs
General specs — specifications for Optimus 2X, XDA Stellar.
SpecificationOptimus 2XXDA Stellar
Release date
  • 2010
  • December
  • 2007
  • November
Colors
  • Black
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
Unknown
Battery life
  • Stand by time- Up to 400 h Talking time- Up to 7 h 50 min
  • Stand by time- Up to 365 h Talking time- Up to 5 h
Communication and Connectivity
Communication and Connectivity — specifications for Optimus 2X, XDA Stellar.
SpecificationOptimus 2XXDA Stellar
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 7.2/5.76 Mbps
  • HSPA 3.6/0.384 Mbps
GPRS
  • Class 12
  • Class 10
Edge
  • Class 12
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • hotspot
  • Wi-Fi 802.11b/g
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • 2.0
Bluetooth
  • 2.1
  • A2DP
  • 2.0
Harmful irradiation
  • SAR - 0.27 W/kg (head) 0.62 W/kg (body) SAR EU - 0.55 W/kg (head) 0.90 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Optimus 2X, XDA Stellar.
SpecificationOptimus 2XXDA Stellar
Radio
  • Stereo FM radio
  • RDS
  • No
Others Unknown
  • Handwriting recognition
Other features
Other features — specifications for Optimus 2X, XDA Stellar.
SpecificationOptimus 2XXDA Stellar
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - HDMI port -DivX/Xvid/MP4/H.264/WMV player -MP3/WAV/WMA/eAAC+ player -Document editor -Organizer -Voice memo/dial/commands -Predictive text input - Also known as LG P990 Star
  • LG P990 Optimus Speed
  • Pocket Office -Business card reader -Voice memo -Media Player 10 HTC Kaiser platform