LG Harmony 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: 6.8 g lighter

    Harmony:
    141.8 g
    Optimus Z:
    135 g
  • Width

    Optimus Z: 19.3 mm narrower

    Harmony:
    76.2 mm
    Optimus Z:
    56.9 mm
  • Screen diagonal

    Optimus Z: 1.8 in smaller diagonal

    Harmony:
    5.3 in
    Optimus Z:
    3.5 in
  • Chipset

    Harmony:
    Qualcomm MSM8917 Snapdragon 425 (28 nm)
    Optimus Z:
    Qualcomm QSD8250 Snapdragon S1
  • Depth

    Harmony: 3.4 mm thinner

    Harmony:
    7.6 mm
    Optimus Z:
    11 mm
  • Height

    Optimus Z: 32 mm shorter

    Harmony:
    149.9 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. Harmony

    Height:
    149.9 mm +32 mm versus Optimus Z
    Width:
    76.2 mm +19.3 mm versus Optimus Z
    Depth:
    7.6 mm
  2. 2. Optimus Z

    Height:
    117.9 mm
    Width:
    56.9 mm
    Depth:
    11 mm +3.4 mm versus Harmony

Weight

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

  1. 1. Harmony

    141.8 g

    +6.8 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. Harmony

    Screen diagonal:
    5.3 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    77.4 cm²
  2. 2. Optimus Z

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

Harmony has approximately 104.1% 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.

Harmony: Original memory entry

16 GB · 1.5 GB 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. Harmony

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB

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. Harmony

    2800 mAh

    +1450 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. Harmony2. Optimus Z

Everyday essentials
Everyday essentials — specifications for Harmony, Optimus Z.
SpecificationHarmonyOptimus Z
Dimensions (HxWxD)
  • 149.9 Х 76.2 Х 7.6 mm
  • 117.9 Х 56.9 Х 11 mm
Weight
  • 141.8 g
  • 135 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5.3" inch
  • 3.5" inch
Screen resolution
  • 720 x 1280 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
  • 1.5 GB RAM
Unknown
Memory card support
  • microSD
  • up to 256 GB
  • microSD
  • up to 32 GB (dedicated slot)
  • 4 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 2800 mAh
  • Removable Li-Ion
  • 1350 mAh
  • Removable Li-Ion
Operating system OS
  • Android 7.0 (Nougat)
  • Android 2.1 (Eclair)
  • upgradable to 2.2 (Froyo)
Chipset
  • Qualcomm MSM8917 Snapdragon 425 (28 nm)
  • Qualcomm QSD8250 Snapdragon S1
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Harmony, Optimus Z.
SpecificationHarmonyOptimus Z
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 256K
Screen area
  • 77.4 cm2
  • 37.9 cm2
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 67.8%
  • 56.5%
PPI /points per inch/
  • 277 PPI
  • 229 PPI
Screen protection Unknown
  • Corning Gorilla Glass
Camera and Video
Camera and Video — specifications for Harmony, Optimus Z.
SpecificationHarmonyOptimus Z
Rear camera, main
  • 8 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 5 MP
  • AF
Functions
  • LED flash
  • HDR
Unknown
Video
  • 1080p@30fps
  • 720p
Front camera, selfie
  • 5 MP
  • Single
  • 0 MP,
Specifications
  • 5 MP
Unknown
Performance
Performance — specifications for Harmony, Optimus Z.
SpecificationHarmonyOptimus Z
Processor CPU
  • Quad-core 1.4 GHz Cortex-A53
  • 1.0 GHz Scorpion
Graphics processor GPU
  • Adreno 308
  • Adreno 200
General specs
General specs — specifications for Harmony, Optimus Z.
SpecificationHarmonyOptimus Z
Release date
  • 2017
  • April
  • 2010
  • April
Colors
  • Black
  • Black
  • White
  • Pink
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 90 EUR
Unknown
Battery life
  • Stand by time- Up to 350 h (3G) Talking time- Up to 14 h (3G)
  • Stand by time- Up to 200 h Talking time- Up to 4 h 10 min
Communication and Connectivity
Communication and Connectivity — specifications for Harmony, Optimus Z.
SpecificationHarmonyOptimus Z
SIM card
  • Nano-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 1700(AWS) / 1900 -4G - LTE band 2(1900)
  • 4(1700/2100)
  • 5(850)
  • 12(700)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
  • HSPA 7.2/0.384 Mbps
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g
  • DLNA
  • hotspot (Android 2.2)
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 2.1
  • A2DP
Music and Audio
Music and Audio — specifications for Harmony, Optimus Z.
SpecificationHarmonyOptimus Z
Radio
  • Yes
  • No
Others Unknown
  • Dolby Mobile
Other features
Other features — specifications for Harmony, Optimus Z.
SpecificationHarmonyOptimus Z
Dop
  • Sensors Accelerometer
  • proximity
  • compass - For Cricket Wireless
  • 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