alcatel U5 HD vs Lava Z71

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

    U5 HD: 21 g lighter

    U5 HD:
    129 g
    Z71:
    150 g
  • Screen diagonal

    U5 HD: 0.71 in smaller diagonal

    U5 HD:
    5 in
    Z71:
    5.71 in
  • Chipset

    U5 HD:
    Mediatek MT6737 (28 nm)
    Z71:
    Mediatek MT6762 Helio P22 (12 nm)
  • Rear camera layout

    U5 HD:
    Single
    Z71:
    Dual
  • Height

    U5 HD: 3.8 mm shorter

    U5 HD:
    141.8 mm
    Z71:
    145.6 mm
  • Release year

    U5 HD:
    2017
    Z71:
    2020

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. U5 HD

    Height:
    141.8 mm
    Width:
    71.4 mm
    Depth:
    9 mm
  2. 2. Z71

    Height:
    145.6 mm +3.8 mm versus U5 HD
    Width:
    70.9 mm
    Depth:
    9 mm

Weight

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

  1. 1. U5 HD

    129 g

  2. 2. Z71

    150 g

    +21 g versus U5 HD

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. U5 HD

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²
  2. 2. Z71

    Screen diagonal:
    5.71 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    81.4 cm²

Z71 has approximately 18.1% more rectangular screen area than U5 HD.

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 U5 HD, Z71, compared at the same storage capacity.
StorageU5 HDZ71
8 GB 1 GB RAM Not recorded
32 GB Not recorded 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. U5 HD

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

2. Z71

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 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. U5 HD

    2200 mAh

  2. 2. Z71

    3200 mAh

    +1000 mAh versus U5 HD

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. U5 HD2. Z71

Everyday essentials
Everyday essentials — specifications for U5 HD, Z71.
SpecificationU5 HDZ71
Dimensions (HxWxD)
  • 141.8 Х 71.4 Х 9 mm
  • 145.6 Х 70.9 Х 9 mm
Weight
  • 129 g
  • 150 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5" inch
  • 5.71" inch
Screen resolution
  • 720 x 1280 px
  • 720 x 1520 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
  • 32GB 2GB RAM
Memory card support
  • microSD
  • up to 128 GB
  • microSD
  • up to 128 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2200 mAh
  • Non-removable Li-Ion
  • 3200 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 7.0 (Nougat)
  • Android 9.0 (Pie)
Chipset
  • Mediatek MT6737 (28 nm)
  • Mediatek MT6762 Helio P22 (12 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for U5 HD, Z71.
SpecificationU5 HDZ71
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 68.9 cm2
  • 81.4 cm2
Screen format
  • 16:9 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 68.1%
  • 78.8%
PPI /points per inch/
  • 294 PPI
  • 295 PPI
Camera and Video
Camera and Video — specifications for U5 HD, Z71.
SpecificationU5 HDZ71
Rear camera, main
  • 13 MP
  • Single
  • 13 MP
  • Dual
Camera specs
  • 13 MP
  • AF
  • 13 MP 2 MP
Functions
  • LED flash
  • LED flash
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 8 MP
  • 5 MP
Performance

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

Performance — specifications for U5 HD, Z71.
SpecificationU5 HDZ71
Processor CPU
  • Quad-core 1.1 GHz Cortex-A53
  • Octa-core 2.0 GHz Cortex-A53
Graphics processor GPU
  • Mali-T720MP2
  • PowerVR GE8320
Antutu 7 score *
  • 27145
Unknown
General specs
General specs — specifications for U5 HD, Z71.
SpecificationU5 HDZ71
Release date
  • 2017
  • August
  • 2020
  • January
Colors
  • Black
  • Ruby Red
  • Steel Blue
Battery life
  • Stand by time- Up to 200 h (3G) Talking time- Up to 5 h (3G)
Unknown
Body build Unknown
  • Glass front
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for U5 HD, Z71.
SpecificationU5 HDZ71
SIM card
  • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 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)
Speed
  • HSPA 42.2/11.5 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for U5 HD, Z71.
SpecificationU5 HDZ71
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for U5 HD, Z71.
SpecificationU5 HDZ71
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity - For India