Lava Z50 vs O2 Cosmo

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

    Cosmo: 33 g lighter

    Z50:
    163 g
    Cosmo:
    130 g
  • Width

    Cosmo: 14.4 mm narrower

    Z50:
    76.4 mm
    Cosmo:
    62 mm
  • Screen diagonal

    Cosmo: 3.1 in smaller diagonal

    Z50:
    5.5 in
    Cosmo:
    2.4 in
  • Chipset

    Z50:
    Mediatek MT6750 (28 nm)
    Cosmo:
    TI OMAP 850
  • Depth

    Z50: 4.5 mm thinner

    Z50:
    8.5 mm
    Cosmo:
    13 mm
  • Height

    Cosmo: 40.5 mm shorter

    Z50:
    151.5 mm
    Cosmo:
    111 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. Z50

    Height:
    151.5 mm +40.5 mm versus Cosmo
    Width:
    76.4 mm +14.4 mm versus Cosmo
    Depth:
    8.5 mm
  2. 2. Cosmo

    Height:
    111 mm
    Width:
    62 mm
    Depth:
    13 mm +4.5 mm versus Z50

Weight

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

  1. 1. Z50

    163 g

    +33 g versus Cosmo

  2. 2. Cosmo

    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. Z50

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. Cosmo

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

Z50 has approximately 367.5% more rectangular screen area than Cosmo.

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.

Z50: Original memory entry

32 GB · 512GB 4GB

Cosmo: Original memory entry

64 MB RAM · 128 MB ROM

Practical features

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

1. Z50

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 GB (uses SIM 2 slot)

2. Cosmo

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD (dedicated slot)

Battery capacity

Capacity is not battery life. No endurance test is implied.

At least two unambiguous positive capacity values are needed for a chart. Original entries remain in the specifications.

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. Z502. Cosmo

Everyday essentials
Everyday essentials — specifications for Z50, Cosmo.
SpecificationZ50Cosmo
Dimensions (HxWxD)
  • 151.5 Х 76.4 Х 8.5 mm
  • 111 Х 62 Х 13 mm
Weight
  • 163 g
  • 130 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5.5" inch
  • 2.4" inch
Screen resolution
  • 720 x 1280 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 512GB 4GB
  • 64 MB RAM
  • 128 MB ROM
Memory card support
  • microSD
  • up to 128 GB (uses SIM 2 slot)
  • microSD (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3020 mAh
  • Non-removable Li-Ion
  • 0 mAh,
Operating system OS
  • Android 6.0 (Marshmallow)
  • Microsoft Windows Mobile 5.0 Smartphone
Chipset
  • Mediatek MT6750 (28 nm)
  • TI OMAP 850
Headphone jack
  • Yes
  • No
Display
Display — specifications for Z50, Cosmo.
SpecificationZ50Cosmo
Touchscreen
  • capacitive touchscreen
Unknown
Display colors
  • 16M
  • 65K
Screen area
  • 83.4 cm2
  • 17.8 cm2
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 72.0%
  • 25.9%
PPI /points per inch/
  • 267 PPI
  • 167 PPI
Camera and Video
Camera and Video — specifications for Z50, Cosmo.
SpecificationZ50Cosmo
Rear camera, main
  • 13 MP
  • Single
  • 1.3 MP
  • Single
Camera specs
  • 13 MP
  • f/2.0
  • 1/3''
  • 1.12µm
  • PDAF
  • 1.3 MP
Functions
  • LED flash
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 8 MP
  • Single
  • 0 MP,
Specifications
  • 8 MP
  • f/2.0
Unknown
Performance

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

Performance — specifications for Z50, Cosmo.
SpecificationZ50Cosmo
Processor CPU
  • Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
  • 200 MHz ARM926EJ-S
Graphics processor GPU
  • Mali-T860MP2
Unknown
Antutu 7 score *
  • 32892
Unknown
GeekBench 4 Single Core *
  • 460
Unknown
GeekBench 4 Multi-Core *
  • 1144
Unknown
General specs
General specs — specifications for Z50, Cosmo.
SpecificationZ50Cosmo
Release date
  • 2017
  • March
  • 2006
  • September
Colors
  • Champagne Gold
  • Gray
Unknown
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 250 EUR
Unknown
Battery life Unknown
  • Stand by time- Up to 200 h Talking time- Up to 4 h
Communication and Connectivity
Communication and Connectivity — specifications for Z50, Cosmo.
SpecificationZ50Cosmo
SIM card
  • Hybrid Dual SIM (Nano-SIM/ Micro-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 -4G - LTE band 3(1800)
  • 5(850)
  • 40(2300)
Unknown
Speed
  • HSPA
  • LTE
Unknown
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11b
GPS
  • Yes
  • with A-GPS
  • No
USB
  • microUSB 2.0
  • USB On-The-Go
  • miniUSB
Bluetooth
  • 4.0
  • A2DP
  • 2.0
Music and Audio
Music and Audio — specifications for Z50, Cosmo.
SpecificationZ50Cosmo
Radio
  • FM radio
  • No
Others Unknown
  • HTC JOGGR touch-sensitive navigation bar
Other features
Other features — specifications for Z50, Cosmo.
SpecificationZ50Cosmo
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity - For India
  • Infrared port - MP3/AAC player -Pocket Office -Predictive text input -Organizer - HTC Excalibur platform