Lava Z81 vs Samsung Exhilarate i577

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.

  • Display technology

    OLED versus LCD

    Z81:
    LCD
    Exhilarate i577:
    OLED
  • Weight

    Exhilarate i577: 11 g lighter

    Z81:
    141 g
    Exhilarate i577:
    130 g
  • Width

    Exhilarate i577: 10 mm narrower

    Z81:
    73 mm
    Exhilarate i577:
    63 mm
  • Screen diagonal

    Exhilarate i577: 1.7 in smaller diagonal

    Z81:
    5.7 in
    Exhilarate i577:
    4 in
  • Depth

    Z81: 4.1 mm thinner

    Z81:
    7.9 mm
    Exhilarate i577:
    12 mm
  • Height

    Exhilarate i577: 30.2 mm shorter

    Z81:
    152.2 mm
    Exhilarate i577:
    122 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. Z81

    Height:
    152.2 mm +30.2 mm versus Exhilarate i577
    Width:
    73 mm +10 mm versus Exhilarate i577
    Depth:
    7.9 mm
  2. 2. Exhilarate i577

    Height:
    122 mm
    Width:
    63 mm
    Depth:
    12 mm +4.1 mm versus Z81

Weight

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

  1. 1. Z81

    141 g

    +11 g versus Exhilarate i577

  2. 2. Exhilarate i577

    130 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. Z81

    Screen diagonal:
    5.7 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    83.8 cm²
  2. 2. Exhilarate i577

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

Z81 has approximately 84.1% more rectangular screen area than Exhilarate i577.

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 Z81, Exhilarate i577, compared at the same storage capacity.
StorageZ81Exhilarate i577
4 GB Unknown 1 GB RAM
Z81: Original memory entry

32 GB · 3 GB RAM 16 GB · 2 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. Z81

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 GB (dedicated slot)

2. Exhilarate i577

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. Z81

    3000 mAh

    +1250 mAh versus Exhilarate i577

  2. 2. Exhilarate i577

    1750 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. Z812. Exhilarate i577

Everyday essentials
Everyday essentials — specifications for Z81, Exhilarate i577.
SpecificationZ81Exhilarate i577
Dimensions (HxWxD)
  • 152.2 Х 73 Х 7.9 mm
  • 122 Х 63 Х 12 mm
Weight
  • 141 g
  • 130 g
Technology
  • IPS LCD
  • Super AMOLED
Screen size
  • 5.7" inch
  • 4" inch
Screen resolution
  • 720 x 1440 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 3 GB RAM 16 GB
  • 2 GB RAM
  • 4 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 128 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Po
  • 1750 mAh
  • Removable Li-Ion
Operating system OS
  • Android 8.1 (Oreo)
  • Android 2.3.6 (Gingerbread)
Chipset
  • Mediatek MT6761 Helio A22 (12 nm)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Z81, Exhilarate i577.
SpecificationZ81Exhilarate i577
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.8 cm2
  • 45.5 cm2
Screen format
  • 18:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 75.5%
  • 59.3%
PPI /points per inch/
  • 282 PPI
  • 233 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for Z81, Exhilarate i577.
SpecificationZ81Exhilarate i577
Rear camera, main
  • 13 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 13 MP
  • f/2.2
  • 5 MP
  • AF
Functions
  • LED flash
Unknown
Video
  • 1080p@30fps
  • 720p
Front camera, selfie
  • 13 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • 13 MP
  • f/2.0
  • 1.3 MP
Performance

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

Performance — specifications for Z81, Exhilarate i577.
SpecificationZ81Exhilarate i577
Processor CPU
  • Quad-core 2.0 GHz Cortex-A53
  • Dual-core 1.2 GHz
Graphics processor GPU
  • PowerVR GE8320
Unknown
Antutu 7 score *
  • 55328
Unknown
General specs
General specs — specifications for Z81, Exhilarate i577.
SpecificationZ81Exhilarate i577
Release date
  • 2018
  • October
  • 2012
  • January
Colors
  • black/blue
  • Gold/Black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 240 EUR
Battery life Unknown
  • Stand by time- Up to 252 h Talking time- Up to 7 h
Communication and Connectivity
Communication and Connectivity — specifications for Z81, Exhilarate i577.
SpecificationZ81Exhilarate i577
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 40(2300)
  • 41(2500)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 1900 / 2100 -4G - LTE band 4(1700/2100)
  • 17(700)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 21.1/5.76 Mbps
  • LTE
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 3.0
  • A2DP
Harmful irradiation Unknown
  • SAR - 0.96 W/kg (head) 0.94 W/kg (body)
Music and Audio
Music and Audio — specifications for Z81, Exhilarate i577.
SpecificationZ81Exhilarate i577
Radio
  • FM radio
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Z81, Exhilarate i577.
SpecificationZ81Exhilarate i577
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity - For India
  • Sensors Accelerometer
  • proximity
  • compass - MP4/WMV/H.264 player -MP3/WAV/eAAC+ player -Organizer -Photo/video editor -Document viewer -Voice memo/dial/commands -Predictive text input - For AT&T Also known as Samsung SGH-i577