vivo Y91i vs ZTE Boost MAX+

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

    Y91i: 31.3 g lighter

    Y91i:
    163.5 g
    Boost MAX+:
    194.8 g
  • Width

    Y91i: 7.5 mm narrower

    Y91i:
    75.1 mm
    Boost MAX+:
    82.6 mm
  • Screen diagonal

    Boost MAX+: 0.52 in smaller diagonal

    Y91i:
    6.22 in
    Boost MAX+:
    5.7 in
  • Depth

    Y91i: 1.9 mm thinner

    Y91i:
    8.3 mm
    Boost MAX+:
    10.2 mm
  • Height

    Y91i: 10 mm shorter

    Y91i:
    155.1 mm
    Boost MAX+:
    165.1 mm
  • Release year

    Y91i:
    2019
    Boost MAX+:
    2015

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. Y91i

    Height:
    155.1 mm
    Width:
    75.1 mm
    Depth:
    8.3 mm
  2. 2. Boost MAX+

    Height:
    165.1 mm +10 mm versus Y91i
    Width:
    82.6 mm +7.5 mm versus Y91i
    Depth:
    10.2 mm +1.9 mm versus Y91i

Weight

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

  1. 1. Y91i

    163.5 g

  2. 2. Boost MAX+

    194.8 g

    +31.3 g versus Y91i

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. Y91i

    Screen diagonal:
    6.22 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    96.6 cm²
  2. 2. Boost MAX+

    Screen diagonal:
    5.7 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    89.6 cm²

Y91i has approximately 7.8% more rectangular screen area than Boost MAX+.

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 Y91i, Boost MAX+, compared at the same storage capacity.
StorageY91iBoost MAX+
16 GB Recorded for all phones 2 GB RAM 2 GB RAM
32 GB 2 GB RAM Not recorded

Practical features

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

1. Y91i

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

2. Boost MAX+

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
No

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. Y91i

    4030 mAh

    +630 mAh versus Boost MAX+

  2. 2. Boost MAX+

    3400 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. Y91i2. Boost MAX+

Everyday essentials
Everyday essentials — specifications for Y91i, Boost MAX+.
SpecificationY91iBoost MAX+
Dimensions (HxWxD)
  • 155.1 Х 75.1 Х 8.3 mm
  • 165.1 Х 82.6 Х 10.2 mm
Weight
  • 163.5 g
  • 194.8 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 6.22" inch
  • 5.7" inch
Screen resolution
  • 720 x 1520 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16/32 GB
  • 2 GB RAM
  • 16 GB
  • 2 GB RAM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 4030 mAh
  • Non-removable Li-Po
  • 3400 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 8.1 (Oreo); Funtouch 4.5
  • Android 5.1 (Lollipop)
Chipset
  • Mediatek MT6762 Helio P22 (12 nm)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Y91i, Boost MAX+.
SpecificationY91iBoost MAX+
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 96.6 cm2
  • 89.6 cm2
Screen format
  • 19:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 82.9%
  • 65.7%
PPI /points per inch/
  • 270 PPI
  • 258 PPI
Screen protection Unknown
  • Corning Gorilla Glass
Camera and Video
Camera and Video — specifications for Y91i, Boost MAX+.
SpecificationY91iBoost MAX+
Rear camera, main
  • 13 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 13 MP
  • f/2.2
  • PDAF
  • 8 MP
Functions
  • LED flash
  • panorama
Unknown
Video
  • 1080p@30fps
  • 720p
Front camera, selfie
  • 8 MP
  • Single
  • 1 MP
  • Single
Specifications
  • 8 MP
  • f/1.8
  • 1 MP
Performance

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

Performance — specifications for Y91i, Boost MAX+.
SpecificationY91iBoost MAX+
Processor CPU
  • Octa-core 2.0 GHz Cortex-A53
  • Quad-core 1.2 GHz
Graphics processor GPU
  • PowerVR GE8320
Unknown
Antutu 7 score *
  • 76203
Unknown
General specs
General specs — specifications for Y91i, Boost MAX+.
SpecificationY91iBoost MAX+
Release date
  • 2019
  • March
  • 2015
  • July
Colors
  • Fusion Black
  • Sunset Red
  • Ocean Blue
  • Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 100 EUR
  • 180 EUR
Battery life Unknown
  • Talking time- Up to 16 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Y91i, Boost MAX+.
SpecificationY91iBoost MAX+
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Micro-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 38(2600)
  • 40(2300)
  • 41(2500)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA -4G - LTE
Speed
  • HSPA
  • LTE Cat4 150/50 Mbps
  • HSPA
  • 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
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for Y91i, Boost MAX+.
SpecificationY91iBoost MAX+
Radio
  • FM radio
  • No
Others
  • Active noise cancellation with dedicated mic
  • Dolby Digital Plus audio enhancement audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for Y91i, Boost MAX+.
SpecificationY91iBoost MAX+
Dop
  • Sensors Accelerometer
  • proximity - Also known as vivo Y91C
  • Sensors Yes