Energizer Hardcase H591S 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: 125 g lighter

    Hardcase H591S:
    260 g
    Optimus Z:
    135 g
  • Width

    Optimus Z: 22.5 mm narrower

    Hardcase H591S:
    79.4 mm
    Optimus Z:
    56.9 mm
  • Screen diagonal

    Optimus Z: 2.49 in smaller diagonal

    Hardcase H591S:
    5.99 in
    Optimus Z:
    3.5 in
  • Chipset

    Hardcase H591S:
    Mediatek MT6763 Helio P23 (16 nm)
    Optimus Z:
    Qualcomm QSD8250 Snapdragon S1
  • Rear camera layout

    Hardcase H591S:
    Dual
    Optimus Z:
    Single
  • Depth

    Optimus Z: 1.2 mm thinner

    Hardcase H591S:
    12.2 mm
    Optimus Z:
    11 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. Hardcase H591S

    Height:
    164.2 mm +46.3 mm versus Optimus Z
    Width:
    79.4 mm +22.5 mm versus Optimus Z
    Depth:
    12.2 mm +1.2 mm versus Optimus Z
  2. 2. Optimus Z

    Height:
    117.9 mm
    Width:
    56.9 mm
    Depth:
    11 mm

Weight

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

  1. 1. Hardcase H591S

    260 g

    +125 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. Hardcase H591S

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

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

Hardcase H591S has approximately 160.7% 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.

Recorded RAM for Hardcase H591S, Optimus Z, compared at the same storage capacity.
StorageHardcase H591SOptimus Z
64 GB 6 GB RAM Unknown

Practical features

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

1. Hardcase H591S

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (uses SIM 2 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. Hardcase H591S

    5800 mAh

    +4450 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. Hardcase H591S2. Optimus Z

Everyday essentials
Everyday essentials — specifications for Hardcase H591S, Optimus Z.
SpecificationHardcase H591SOptimus Z
Dimensions (HxWxD)
  • 164.2 Х 79.4 Х 12.2 mm
  • 117.9 Х 56.9 Х 11 mm
Weight
  • 260 g
  • 135 g
Technology
  • TFT
  • TFT
Screen size
  • 5.99" inch
  • 3.5" inch
Screen resolution
  • 1080 x 1920 px
  • 480 x 640 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 GB
  • 6 GB RAM
Unknown
Memory card support
  • microSD
  • up to 32 GB (uses SIM 2 slot)
  • microSD
  • up to 32 GB (dedicated slot)
  • 4 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 5800 mAh
  • Non-removable Li-Ion
  • 1350 mAh
  • Removable Li-Ion
Operating system OS
  • Android 8.1 (Oreo)
  • Android 2.1 (Eclair)
  • upgradable to 2.2 (Froyo)
Chipset
  • Mediatek MT6763 Helio P23 (16 nm)
  • Qualcomm QSD8250 Snapdragon S1
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Hardcase H591S, Optimus Z.
SpecificationHardcase H591SOptimus Z
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 256K
Screen area
  • 98.9 cm2
  • 37.9 cm2
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 75.9%
  • 56.5%
PPI /points per inch/
  • 368 PPI
  • 229 PPI
Screen protection
  • Corning Gorilla Glass 3
  • Corning Gorilla Glass
Camera and Video
Camera and Video — specifications for Hardcase H591S, Optimus Z.
SpecificationHardcase H591SOptimus Z
Rear camera, main
  • 16 MP
  • Dual
  • 5 MP
  • Single
Camera specs
  • 16 MP
  • AF -VGA
  • depth sensor
  • 5 MP
  • AF
Functions
  • LED flash
Unknown
Video
  • 1080p@30fps
  • 720p
Front camera, selfie
  • 8 MP
  • Dual
  • 0 MP,
Specifications
  • 8 MP VGA
  • depth sensor
Unknown
Performance
Performance — specifications for Hardcase H591S, Optimus Z.
SpecificationHardcase H591SOptimus Z
Processor CPU
  • Octa-core 2.0 GHz Cortex-A53
  • 1.0 GHz Scorpion
Graphics processor GPU
  • Mali-G71 MP2
  • Adreno 200
General specs
General specs — specifications for Hardcase H591S, Optimus Z.
SpecificationHardcase H591SOptimus Z
Release date
  • 2019
  • February
  • 2010
  • April
Colors
  • Black
  • Black
  • White
  • Pink
Battery life Unknown
  • Stand by time- Up to 200 h Talking time- Up to 4 h 10 min
Communication and Connectivity
Communication and Connectivity — specifications for Hardcase H591S, Optimus Z.
SpecificationHardcase H591SOptimus Z
SIM card
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 17(700)
  • 19(800)
  • 20(800)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA
  • LTE-A
  • HSPA 7.2/0.384 Mbps
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 b/g
  • DLNA
  • hotspot (Android 2.2)
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 2.1
  • A2DP
Music and Audio
Music and Audio — specifications for Hardcase H591S, Optimus Z.
SpecificationHardcase H591SOptimus Z
Radio
  • No
  • No
Others Unknown
  • Dolby Mobile
Other features
Other features — specifications for Hardcase H591S, Optimus Z.
SpecificationHardcase H591SOptimus Z
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 10W - IP68 dust/water proof (up to 1.5m for 30 mins)
  • 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