alcatel Idol 3 (4.7) vs Lava Z91

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

    Idol 3 (4.7): 37 g lighter

    Idol 3 (4.7):
    110 g
    Z91:
    147 g
  • Width

    Idol 3 (4.7): 7 mm narrower

    Idol 3 (4.7):
    65.9 mm
    Z91:
    72.9 mm
  • Screen diagonal

    Idol 3 (4.7): 1 in smaller diagonal

    Idol 3 (4.7):
    4.7 in
    Z91:
    5.7 in
  • Chipset

    Idol 3 (4.7):
    Qualcomm MSM8916 Snapdragon 410 (28 nm)
    Z91:
    Mediatek MT6739 (28 nm)
  • Height

    Idol 3 (4.7): 17.4 mm shorter

    Idol 3 (4.7):
    134.6 mm
    Z91:
    152 mm
  • Release year

    Idol 3 (4.7):
    2015
    Z91:
    2018

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. Idol 3 (4.7)

    Height:
    134.6 mm
    Width:
    65.9 mm
    Depth:
    7.6 mm
  2. 2. Z91

    Height:
    152 mm +17.4 mm versus Idol 3 (4.7)
    Width:
    72.9 mm +7 mm versus Idol 3 (4.7)
    Depth:
    7.7 mm

Weight

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

  1. 1. Idol 3 (4.7)

    110 g

  2. 2. Z91

    147 g

    +37 g versus Idol 3 (4.7)

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. Idol 3 (4.7)

    Screen diagonal:
    4.7 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    60.9 cm²
  2. 2. Z91

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

Z91 has approximately 37.7% more rectangular screen area than Idol 3 (4.7).

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 Idol 3 (4.7), Z91, compared at the same storage capacity.
StorageIdol 3 (4.7)Z91
32 GB Unknown 3 GB RAM
Idol 3 (4.7): Original memory entry

8 GB · 1.5 GB RAM/ 16 GB · 1.5 GB RAM (Dual SIM model)

Practical features

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

1. Idol 3 (4.7)

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (dedicated slot) - single-SIM model

2. Z91

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. Idol 3 (4.7)

    2000 mAh

  2. 2. Z91

    3000 mAh

    +1000 mAh versus Idol 3 (4.7)

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. Idol 3 (4.7)2. Z91

Everyday essentials
Everyday essentials — specifications for Idol 3 (4.7), Z91.
SpecificationIdol 3 (4.7)Z91
Dimensions (HxWxD)
  • 134.6 Х 65.9 Х 7.6 mm
  • 152 Х 72.9 Х 7.7 mm
Weight
  • 110 g
  • 147 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 4.7" inch
  • 5.7" inch
Screen resolution
  • 720 x 1280 px
  • 720 x 1440 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1.5 GB RAM/ 16 GB
  • 1.5 GB RAM (Dual SIM model)
  • 32 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot) - single-SIM model
  • microSD
  • up to 128 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Non-removable Li-Ion
  • 3000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 5.0.2 (Lollipop)
  • upgradable to 6.0.1 (Marshmallow)
  • Android 7.1 (Nougat)
Chipset
  • Qualcomm MSM8916 Snapdragon 410 (28 nm)
  • Mediatek MT6739 (28 nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Idol 3 (4.7), Z91.
SpecificationIdol 3 (4.7)Z91
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 60.9 cm2
  • 83.8 cm2
Screen format
  • 16:9 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 68.7%
  • 75.7%
PPI /points per inch/
  • 312 PPI
  • 282 PPI
Camera and Video
Camera and Video — specifications for Idol 3 (4.7), Z91.
SpecificationIdol 3 (4.7)Z91
Rear camera, main
  • 13 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 13 MP
  • f/2.0
  • 1/3''
  • 1.12µm
  • AF
  • 13 MP
  • f/2.0
  • 1.12µm
  • AF
Functions
  • LED flash
  • panorama
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 5 MP
  • 8 MP
  • f/2.2
Performance

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

Performance — specifications for Idol 3 (4.7), Z91.
SpecificationIdol 3 (4.7)Z91
Processor CPU
  • Quad-core 1.2 GHz Cortex-A53
  • Quad-core 1.3 GHz Cortex-A53
Graphics processor GPU
  • Adreno 306
  • PowerVR GE8100
Antutu 7 score *
  • 19456
  • 35722
General specs
General specs — specifications for Idol 3 (4.7), Z91.
SpecificationIdol 3 (4.7)Z91
Release date
  • 2015
  • March
  • 2018
  • March
Colors
  • Black
  • Sliver
  • Gold
  • Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 200 EUR
  • 10000 INR
Communication and Connectivity
Communication and Connectivity — specifications for Idol 3 (4.7), Z91.
SpecificationIdol 3 (4.7)Z91
SIM card
  • Single SIM (Micro-SIM)Dual SIM (Micro-SIM
  • dual stand-by)
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 - EMEA HSDPA 850 / 1700(AWS) / 1900 / 2100 - USA -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 8(900)
  • 20(800) - EMEA LTE band 2(1900)
  • 4(1700/2100)
  • 5(850)
  • 12(700)
  • 17(700) - USA LTE band 1(2100)
  • 2(1900)
  • 28(700)
  • 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)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 42.2/5.76 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 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB Host
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 4.0
  • A2DP
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for Idol 3 (4.7), Z91.
SpecificationIdol 3 (4.7)Z91
Radio
  • FM radio
  • RDS
  • FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Idol 3 (4.7), Z91.
SpecificationIdol 3 (4.7)Z91
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity - For India