Dell Streak vs LG Optimus Z

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 Z: 85 g lighter

    Streak:
    220 g
    Optimus Z:
    135 g
  • Width

    Optimus Z: 22.2 mm narrower

    Streak:
    79.1 mm
    Optimus Z:
    56.9 mm
  • Screen diagonal

    Optimus Z: 1.5 in smaller diagonal

    Streak:
    5 in
    Optimus Z:
    3.5 in
  • Depth

    Streak: 1 mm thinner

    Streak:
    10 mm
    Optimus Z:
    11 mm
  • Height

    Optimus Z: 35 mm shorter

    Streak:
    152.9 mm
    Optimus Z:
    117.9 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. Streak

    Height:
    152.9 mm +35 mm versus Optimus Z
    Width:
    79.1 mm +22.2 mm versus Optimus Z
    Depth:
    10 mm
  2. 2. Optimus Z

    Height:
    117.9 mm
    Width:
    56.9 mm
    Depth:
    11 mm +1 mm versus Streak

Weight

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

  1. 1. Streak

    220 g

    +85 g versus Optimus Z

  2. 2. Optimus Z

    135 g

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. Streak

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    71.2 cm²
  2. 2. Optimus Z

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

Streak has approximately 87.6% more rectangular screen area than Optimus Z.

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.

Streak: Original memory entry

16 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. Streak

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

2. Optimus Z

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot) · 4 GB included

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. Streak

    1530 mAh

    +180 mAh versus Optimus Z

  2. 2. Optimus Z

    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. Streak2. Optimus Z

Everyday essentials
Everyday essentials — specifications for Streak, Optimus Z.
SpecificationStreakOptimus Z
Dimensions (HxWxD)
  • 152.9 Х 79.1 Х 10 mm
  • 117.9 Х 56.9 Х 11 mm
Weight
  • 220 g
  • 135 g
Technology
  • TFT
  • TFT
Screen size
  • 5" inch
  • 3.5" inch
Screen resolution
  • 480 x 800 px
  • 480 x 640 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 512 MB RAM
Unknown
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
  • 4 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 1530 mAh
  • Removable Li-Ion
  • 1350 mAh
  • Removable Li-Ion
Operating system OS
  • Android OS 1.6 (Donut)
  • upgradable to 2.2 (Froyo)
  • Android 2.1 (Eclair)
  • upgradable to 2.2 (Froyo)
Chipset
  • Qualcomm QSD8250 Snapdragon S1
  • Qualcomm QSD8250 Snapdragon S1
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Streak, Optimus Z.
SpecificationStreakOptimus Z
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 256K
Screen area
  • 71.2 cm2
  • 37.9 cm2
Screen format
  • 5:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 58.8%
  • 56.5%
PPI /points per inch/
  • 187 PPI
  • 229 PPI
Screen protection
  • Corning Gorilla Glass
  • Corning Gorilla Glass
Camera and Video
Camera and Video — specifications for Streak, Optimus Z.
SpecificationStreakOptimus Z
Rear camera, main
  • 5 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • f/2.8
  • 5 MP
  • AF
Functions
  • Dual-LED flash
Unknown
Video
  • 480p@20fps; 720p (via SW update)
  • 720p
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Specifications
  • VGA
Unknown
Performance
Performance — specifications for Streak, Optimus Z.
SpecificationStreakOptimus Z
Processor CPU
  • 1.0 GHz Scorpion
  • 1.0 GHz Scorpion
Graphics processor GPU
  • Adreno 200
  • Adreno 200
General specs
General specs — specifications for Streak, Optimus Z.
SpecificationStreakOptimus Z
Release date
  • 2010
  • May
  • 2010
  • April
Colors
  • Black
  • Red
  • White
  • Black
  • White
  • Pink
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 190 EUR
Unknown
Battery life
  • Stand by time- Up to 400 h Talking time- Up to 9 h 48 min
  • Stand by time- Up to 200 h Talking time- Up to 4 h 10 min
Communication and Connectivity
Communication and Connectivity — specifications for Streak, Optimus Z.
SpecificationStreakOptimus Z
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 7.2/0.384 Mbps
GPRS
  • Class 12
  • Class 10
Edge
  • Class 12
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 b/g
  • hotspot (charges may apply)
  • Wi-Fi 802.11 b/g
  • DLNA
  • hotspot (Android 2.2)
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • 2.0
  • microUSB 2.0
Bluetooth
  • 2.0
  • A2DP
  • 2.1
  • A2DP
Music and Audio
Music and Audio — specifications for Streak, Optimus Z.
SpecificationStreakOptimus Z
Radio
  • No
  • No
Others Unknown
  • Dolby Mobile
Other features
Other features — specifications for Streak, Optimus Z.
SpecificationStreakOptimus Z
Dop
  • Sensors Accelerometer
  • proximity
  • compass - MP4/H.264/WMV player -MP3/WAV/eAAC+/WMA player -QuickOffice document viewer -Photo viewer/editor -Organizer -Voice memo/dial -Predictive text input - For O2 UK and AT&T Also known as Dell Mini 5 Tablet with support for GSM voice communication
  • SMS
  • and MMS
  • Sensors Accelerometer
  • proximity
  • compass - On-screen-phone function -Drag & Shake file sharing -TV Tuner (T-DMB) -HDMI port -MP3/WMA/AAC player -DivX/MP4/H.263 player -Organizer -Document viewer -Voice memo -Predictive text input - For South Korea Also known as LG KU9500
  • LG SU950