Asus Zenfone Max ZC550KL vs Oppo A91

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

    Zenfone Max ZC550KL:
    LCD
    A91:
    OLED
  • Weight

    A91: 30 g lighter

    Zenfone Max ZC550KL:
    202 g
    A91:
    172 g
  • Width

    A91: 4.2 mm narrower

    Zenfone Max ZC550KL:
    77.5 mm
    A91:
    73.3 mm
  • Screen diagonal

    Zenfone Max ZC550KL: 0.9 in smaller diagonal

    Zenfone Max ZC550KL:
    5.5 in
    A91:
    6.4 in
  • Chipset

    Zenfone Max ZC550KL:
    Qualcomm MSM8916 Snapdragon 410 (28 nm)
    A91:
    Mediatek MT6771V Helio P70 (12nm)
  • Rear camera layout

    Zenfone Max ZC550KL:
    Single
    A91:
    Quad

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. Zenfone Max ZC550KL

    Height:
    156 mm
    Width:
    77.5 mm +4.2 mm versus A91
    Depth:
    10.6 mm +2.7 mm versus A91
  2. 2. A91

    Height:
    160.2 mm +4.2 mm versus Zenfone Max ZC550KL
    Width:
    73.3 mm
    Depth:
    7.9 mm

Weight

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

  1. 1. Zenfone Max ZC550KL

    202 g

    +30 g versus A91

  2. 2. A91

    172 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. Zenfone Max ZC550KL

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. A91

    Screen diagonal:
    6.4 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    98.9 cm²

A91 has approximately 18.6% more rectangular screen area than Zenfone Max ZC550KL.

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 Zenfone Max ZC550KL, A91, compared at the same storage capacity.
StorageZenfone Max ZC550KLA91
8 GB 2 GB RAM Not recorded
16 GB 2 GB RAM Not recorded
128 GB Not recorded 8 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. Zenfone Max ZC550KL

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 GB (dedicated slot)

2. A91

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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. Zenfone Max ZC550KL

    5000 mAh

    +975 mAh versus A91

  2. 2. A91

    4025 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. Zenfone Max ZC550KL2. A91

Everyday essentials
Everyday essentials — specifications for Zenfone Max ZC550KL, A91.
SpecificationZenfone Max ZC550KLA91
Dimensions (HxWxD)
  • 156 Х 77.5 Х 10.6 mm
  • 160.2 Х 73.3 Х 7.9 mm
Weight
  • 202 g
  • 172 g
Technology
  • IPS LCD
  • AMOLED
Screen size
  • 5.5" inch
  • 6.4" inch
Screen resolution
  • 720 x 1280 px
  • 1080 x 2400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8/16 GB
  • 2 GB RAM
  • 128GB 8GB RAM
Memory card support
  • microSD
  • up to 64 GB (dedicated slot)
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 5000 mAh
  • Non-removable Li-Po
  • 4025 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 5.0.1 (Lollipop)
  • upgradable to 6.0.1 (Marshmallow); ZenUI
  • Android 9.0 (Pie); ColorOS 6.1
Chipset
  • Qualcomm MSM8916 Snapdragon 410 (28 nm)
  • Mediatek MT6771V Helio P70 (12nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Zenfone Max ZC550KL, A91.
SpecificationZenfone Max ZC550KLA91
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.4 cm2
  • 100.4 cm2
Screen format
  • 16:9 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 69.0%
  • 85.5%
PPI /points per inch/
  • 267 PPI
  • 408 PPI
Screen protection
  • Corning Gorilla Glass 4
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for Zenfone Max ZC550KL, A91.
SpecificationZenfone Max ZC550KLA91
Rear camera, main
  • 13 MP
  • Single
  • 48 MP
  • Quad
Camera specs
  • 13 MP
  • laser AF
  • f/2.0
  • 48 MP
  • f/1.8
  • 26mm (wide)
  • 1/2.0"
  • 0.8µm
  • PDAF -8 MP
  • f/2.2
  • 13mm (ultrawide)
  • 1/4.0"
  • 1.12µm -2 MP B/W
  • f/2.4
  • 1/5.0"
  • 1.75µm -2 MP
  • 1.75µm
  • depth sensor
Functions
  • Dual-LED dual-tone flash
  • panorama
  • HDR
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 16 MP
  • Single
Specifications
  • 5 MP
  • f/2.0
  • 16 MP
  • f/2.0
  • 26mm (wide)
  • 1/3.1''
  • 1.0µm
Performance

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

Performance — specifications for Zenfone Max ZC550KL, A91.
SpecificationZenfone Max ZC550KLA91
Processor CPU
  • Quad-core 1.2 GHz Cortex-A53
  • Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
Graphics processor GPU
  • Adreno 306
  • Mali-G72 MP3
Antutu 7 score * Unknown
  • 135756
General specs
General specs — specifications for Zenfone Max ZC550KL, A91.
SpecificationZenfone Max ZC550KLA91
Release date
  • 2015
  • August
  • 2019
  • December
Colors
  • Black
  • White
  • Dark Blue
  • Red
  • Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 170 EUR
  • 260 EUR
Battery life
  • Stand by time- Up to 914 h (3G) Talking time- Up to 38 h (3G)
Unknown
Body build
  • plastic body
  • Glass front (Gorilla Glass 5)
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for Zenfone Max ZC550KL, A91.
SpecificationZenfone Max ZC550KLA91
SIM card
  • 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 -3G - HSDPA 850 / 900 / 1900 / 2100 TD-SCDMA - India -4G - LTE band 1(2100)
  • 3(1800)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) - India LTE band 1(2100)
  • 2(1900)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800) - Global
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 42.2/11.5 Mbps
  • LTE-A
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/ax
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • USB On-The-Go
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Zenfone Max ZC550KL, A91.
SpecificationZenfone Max ZC550KLA91
Radio
  • FM radio
  • FM radio
Others Unknown
  • 430 nits typ. brightness
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Zenfone Max ZC550KL, A91.
SpecificationZenfone Max ZC550KLA91
Dop
  • Sensors Accelerometer
  • proximity
  • compass - Power Bank/Reverse charging
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast charging 20W
  • 50% in 30 min -VOOC 3.0