Asus Zenfone 2 ZE551ML vs Xiaomi Redmi 8A

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

    Zenfone 2 ZE551ML: 18 g lighter

    Zenfone 2 ZE551ML:
    170 g
    Redmi 8A:
    188 g
  • Width

    Redmi 8A: 1.8 mm narrower

    Zenfone 2 ZE551ML:
    77.2 mm
    Redmi 8A:
    75.4 mm
  • Screen diagonal

    Zenfone 2 ZE551ML: 0.7 in smaller diagonal

    Zenfone 2 ZE551ML:
    5.5 in
    Redmi 8A:
    6.2 in
  • Chipset

    Zenfone 2 ZE551ML:
    Intel Atom Z3580 (4 GB RAM model) -Intel Atom Z3560 (2 GB RAM model)
    Redmi 8A:
    Qualcomm SDM439 Snapdragon 439 (12 nm)
  • Depth

    Redmi 8A: 1.5 mm thinner

    Zenfone 2 ZE551ML:
    10.9 mm
    Redmi 8A:
    9.4 mm
  • Height

    Zenfone 2 ZE551ML: 4 mm shorter

    Zenfone 2 ZE551ML:
    152.5 mm
    Redmi 8A:
    156.5 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. Zenfone 2 ZE551ML

    Height:
    152.5 mm
    Width:
    77.2 mm +1.8 mm versus Redmi 8A
    Depth:
    10.9 mm +1.5 mm versus Redmi 8A
  2. 2. Redmi 8A

    Height:
    156.5 mm +4 mm versus Zenfone 2 ZE551ML
    Width:
    75.4 mm
    Depth:
    9.4 mm

Weight

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

  1. 1. Zenfone 2 ZE551ML

    170 g

  2. 2. Redmi 8A

    188 g

    +18 g versus Zenfone 2 ZE551ML

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 2 ZE551ML

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. Redmi 8A

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

Redmi 8A has approximately 15.1% more rectangular screen area than Zenfone 2 ZE551ML.

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 2 ZE551ML, Redmi 8A, compared at the same storage capacity.
StorageZenfone 2 ZE551MLRedmi 8A
32 GB Unknown 2 / 3 GB RAM Alternative RAM configurations
Zenfone 2 ZE551ML: Original memory entry

16/32/64 GB · 2/4 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 2 ZE551ML

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

2. Redmi 8A

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 512 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 2 ZE551ML

    3000 mAh

  2. 2. Redmi 8A

    5000 mAh

    +2000 mAh versus Zenfone 2 ZE551ML

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 2 ZE551ML2. Redmi 8A

Everyday essentials
Everyday essentials — specifications for Zenfone 2 ZE551ML, Redmi 8A.
SpecificationZenfone 2 ZE551MLRedmi 8A
Dimensions (HxWxD)
  • 152.5 Х 77.2 Х 10.9 mm
  • 156.5 Х 75.4 Х 9.4 mm
Weight
  • 170 g
  • 188 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.5" inch
  • 6.2" inch
Screen resolution
  • 1080 x 1920 px
  • 720 x 1520 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16/32/64 GB
  • 2/4 GB RAM
  • 32GB 2GB RAM
  • 32GB 3GB RAM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • microSD
  • up to 512 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Po
  • 5000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 5.0 (Lollipop)
  • upgradable to 6.0 (Marshmallow)
  • Android 9.0 (Pie)
Chipset
  • Intel Atom Z3580 (4 GB RAM model) -Intel Atom Z3560 (2 GB RAM model)
  • Qualcomm SDM439 Snapdragon 439 (12 nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Zenfone 2 ZE551ML, Redmi 8A.
SpecificationZenfone 2 ZE551MLRedmi 8A
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.4 cm2
  • 95.9 cm2
Screen format
  • 16:9 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 70.8%
  • 81.3%
PPI /points per inch/
  • 401 PPI
  • 271 PPI
Screen protection
  • Corning Gorilla Glass 3
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for Zenfone 2 ZE551ML, Redmi 8A.
SpecificationZenfone 2 ZE551MLRedmi 8A
Rear camera, main
  • 13 MP
  • Single
  • 12 MP
  • Single
Camera specs
  • 13 MP
  • AF
  • f/2.0
  • 12 MP
  • f/1.8
  • 1/2.55''
  • 1.4µm
  • dual pixel PDAF
Functions
  • Dual-LED dual-tone flash
  • panorama
  • HDR
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 5 MP
  • f/2.0
  • 8 MP
  • f/2.0
  • 1.12µm
Performance

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

Performance — specifications for Zenfone 2 ZE551ML, Redmi 8A.
SpecificationZenfone 2 ZE551MLRedmi 8A
Processor CPU
  • Quad-core 2.3 GHz (4 GB RAM model) -Quad-core 1.8 GHz (2 GB RAM model)
  • Octa-core (2x1.95 GHz Cortex-A53 & 6x1.45 GHz Cortex A53)
Graphics processor GPU
  • PowerVR G6430
  • Adreno 505
Antutu 7 score *
  • 50232
Unknown
GeekBench 4 Single Core * Unknown
  • 864
GeekBench 4 Multi-Core * Unknown
  • 3669
Antutu 8 score * Unknown
  • 87337
General specs
General specs — specifications for Zenfone 2 ZE551ML, Redmi 8A.
SpecificationZenfone 2 ZE551MLRedmi 8A
Release date
  • 2015
  • January
  • 2019
  • September
Colors
  • Osmium Black
  • Sheer Gold
  • Glacier Gray
  • Glamor Red
  • Ceramic White
  • Midnight Black
  • Ocean Blue
  • Sunset Red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 300 EUR
  • 100 EUR
Body build
  • plastic body
  • Front glass
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for Zenfone 2 ZE551ML, Redmi 8A.
SpecificationZenfone 2 ZE551MLRedmi 8A
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 - China & India -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 8(900)
  • 9(1800)
  • 18(800)
  • 19(800)
  • 28(700) - Taiwan LTE band 1(2100)
  • 7(2600)
  • 20(800) - Global LTE band 1(2100)
  • 17(700)
  • 20(800) - US LTE band 1(2100)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) - China & India
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 38(2600)
  • 40(2300) - Global LTE band 1(2100)
  • 40(2300)
  • 41(2500) - India LTE band 1(2100)
  • 34(2000)
  • 39(1900)
  • 41(2500) - China
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • USB Host
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 4.2
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 0.35 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for Zenfone 2 ZE551ML, Redmi 8A.
SpecificationZenfone 2 ZE551MLRedmi 8A
Radio
  • FM radio
  • RDS
  • FM radio
  • built-in antenna
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Zenfone 2 ZE551ML, Redmi 8A.
SpecificationZenfone 2 ZE551MLRedmi 8A
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging: 60% in 40 min
  • Sensors Accelerometer
  • proximity
  • compass
  • Infrared port - Fast battery charging 18W - Splash resistant