HTC ChaCha vs LG Optimus 2X

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

    ChaCha: 19 g lighter

    ChaCha:
    120 g
    Optimus 2X:
    139 g
  • Width

    Optimus 2X: 1.4 mm narrower

    ChaCha:
    64.6 mm
    Optimus 2X:
    63.2 mm
  • Screen diagonal

    ChaCha: 1.4 in smaller diagonal

    ChaCha:
    2.6 in
    Optimus 2X:
    4 in
  • Height

    ChaCha: 9.5 mm shorter

    ChaCha:
    114.4 mm
    Optimus 2X:
    123.9 mm
  • Release year

    ChaCha:
    2011
    Optimus 2X:
    2010

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. ChaCha

    Height:
    114.4 mm
    Width:
    64.6 mm +1.4 mm versus Optimus 2X
    Depth:
    10.7 mm
  2. 2. Optimus 2X

    Height:
    123.9 mm +9.5 mm versus ChaCha
    Width:
    63.2 mm
    Depth:
    10.9 mm

Weight

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

  1. 1. ChaCha

    120 g

  2. 2. Optimus 2X

    139 g

    +19 g versus ChaCha

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. ChaCha

    Screen diagonal:
    2.6 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    20.1 cm²
  2. 2. Optimus 2X

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

Optimus 2X has approximately 126.2% more rectangular screen area than ChaCha.

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.

ChaCha: Original memory entry

512 MB · 512 MB RAM

Optimus 2X: Original memory entry

8 GB · 512 MB RAM

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. ChaCha

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot) · 2 GB included

2. Optimus 2X

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (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. ChaCha

    1250 mAh

  2. 2. Optimus 2X

    1500 mAh

    +250 mAh versus ChaCha

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. ChaCha2. Optimus 2X

Everyday essentials
Everyday essentials — specifications for ChaCha, Optimus 2X.
SpecificationChaChaOptimus 2X
Dimensions (HxWxD)
  • 114.4 Х 64.6 Х 10.7 mm
  • 123.9 Х 63.2 Х 10.9 mm
Weight
  • 120 g
  • 139 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.6" inch
  • 4" inch
Screen resolution
  • 480 x 320 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 MB
  • 512 MB RAM
  • 8 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • 2 GB included
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1250 mAh
  • Removable Li-Ion
  • 1500 mAh
  • Removable Li-Ion
Operating system OS
  • Android 2.3 (Gingerbread); Sense UI 2.1
  • Android 2.2 (Froyo)
  • 2.3
  • upgradable to 4.0 (Ice Cream Sandwich)
Chipset Unknown
  • Nvidia Tegra 2 AP20H
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for ChaCha, Optimus 2X.
SpecificationChaChaOptimus 2X
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 256K
  • 16M
Screen area
  • 20.1 cm2
  • 45.5 cm2
Screen format
  • 3:2 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 27.2%
  • 58.2%
PPI /points per inch/
  • 222 PPI
  • 233 PPI
Screen protection
  • Corning Gorilla Glass
  • Corning Gorilla Glass
Camera and Video
Camera and Video — specifications for ChaCha, Optimus 2X.
SpecificationChaChaOptimus 2X
Rear camera, main
  • 5 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 8 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • 480p@30fps
  • 1080p@24fps
  • 720p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • VGA
  • 1.3 MP
Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for ChaCha, Optimus 2X.
SpecificationChaChaOptimus 2X
Processor CPU
  • 800 MHz
  • Dual-core 1.0 GHz Cortex-A9
Graphics processor GPU Unknown
  • ULP GeForce
Antutu 7 score *
  • 357
Unknown
General specs
General specs — specifications for ChaCha, Optimus 2X.
SpecificationChaChaOptimus 2X
Release date
  • 2011
  • February
  • 2010
  • December
Colors
  • Black
  • Silver
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 70 EUR
  • 150 EUR
Battery life
  • Stand by time- Up to 430 h (2G) / Up to 660 h (3G) Talking time- Up to 7 h 30 min (2G) / Up to 7 h (3G)
  • Stand by time- Up to 400 h Talking time- Up to 7 h 50 min
Communication and Connectivity
Communication and Connectivity — specifications for ChaCha, Optimus 2X.
SpecificationChaChaOptimus 2X
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 7.2/0.384 Mbps
  • HSPA 7.2/5.76 Mbps
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 3.0
  • A2DP
  • 2.1
  • A2DP
Harmful irradiation
  • SAR - 0.68 W/kg (head) 1.37 W/kg (body)
  • SAR - 0.27 W/kg (head) 0.62 W/kg (body) SAR EU - 0.55 W/kg (head) 0.90 W/kg (body)
Music and Audio
Music and Audio — specifications for ChaCha, Optimus 2X.
SpecificationChaChaOptimus 2X
Radio
  • Stereo FM radio
  • RDS
  • Stereo FM radio
  • RDS
Other features
Other features — specifications for ChaCha, Optimus 2X.
SpecificationChaChaOptimus 2X
Dop
  • Sensors Accelerometer
  • proximity
  • compass - Facebook dedicated key -MP3/AAC+/WAV/WMA player -MP4/H.264 player -Organizer -Document viewer/editor -Voice memo -Predictive text input - Also known as HTC ChaChaCha
  • 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