Asus Zenfone 2 ZE551ML vs Oppo Realme 6

Compare recorded specifications, size and practical differences.

+ Add a third phone

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: 21 g lighter

    Zenfone 2 ZE551ML:
    170 g
    Realme 6:
    191 g
  • Width

    Realme 6: 2.4 mm narrower

    Zenfone 2 ZE551ML:
    77.2 mm
    Realme 6:
    74.8 mm
  • Screen diagonal

    Zenfone 2 ZE551ML: 1 in smaller diagonal

    Zenfone 2 ZE551ML:
    5.5 in
    Realme 6:
    6.5 in
  • Chipset

    Zenfone 2 ZE551ML:
    Intel Atom Z3580 (4 GB RAM model) -Intel Atom Z3560 (2 GB RAM model)
    Realme 6:
    Mediatek MT6785 Helio G90T (12 nm)
  • Rear camera layout

    Zenfone 2 ZE551ML:
    Single
    Realme 6:
    Quad
  • Depth

    Realme 6: 2 mm thinner

    Zenfone 2 ZE551ML:
    10.9 mm
    Realme 6:
    8.9 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 +2.4 mm versus Realme 6
    Depth:
    10.9 mm +2 mm versus Realme 6
  2. 2. Realme 6

    Height:
    162.1 mm +9.6 mm versus Zenfone 2 ZE551ML
    Width:
    74.8 mm
    Depth:
    8.9 mm

Weight

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

  1. 1. Zenfone 2 ZE551ML

    170 g

  2. 2. Realme 6

    191 g

    +21 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. Realme 6

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

Realme 6 has approximately 22.3% 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, Realme 6, compared at the same storage capacity.
StorageZenfone 2 ZE551MLRealme 6
64 GB Unknown 4 GB RAM
128 GB Unknown 6 / 8 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. Realme 6

NFC:
See details Yes (market/region dependent)
Headphone jack:
Yes
Memory card support:
See details microSDXC (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. Realme 6

    4300 mAh

    +1300 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. Realme 6

Everyday essentials
Everyday essentials — specifications for Zenfone 2 ZE551ML, Realme 6.
SpecificationZenfone 2 ZE551MLRealme 6
Dimensions (HxWxD)
  • 152.5 Х 77.2 Х 10.9 mm
  • 162.1 Х 74.8 Х 8.9 mm
Weight
  • 170 g
  • 191 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.5" inch
  • 6.5" inch
Screen resolution
  • 1080 x 1920 px
  • 1080 x 2400 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
  • 64GB 4GB RAM
  • 128GB 6GB RAM
  • 128GB 8GB RAM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Po
  • 4300 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 5.0 (Lollipop)
  • upgradable to 6.0 (Marshmallow)
  • Android 10.0; Realme UI
Chipset
  • Intel Atom Z3580 (4 GB RAM model) -Intel Atom Z3560 (2 GB RAM model)
  • Mediatek MT6785 Helio G90T (12 nm)
NFC
  • Yes
  • Yes (market/region dependent)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Zenfone 2 ZE551ML, Realme 6.
SpecificationZenfone 2 ZE551MLRealme 6
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.4 cm2
  • 102.0 cm2
Screen format
  • 16:9 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 70.8%
  • 84.1%
PPI /points per inch/
  • 401 PPI
  • 405 PPI
Screen protection
  • Corning Gorilla Glass 3
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for Zenfone 2 ZE551ML, Realme 6.
SpecificationZenfone 2 ZE551MLRealme 6
Rear camera, main
  • 13 MP
  • Single
  • 64 MP
  • Quad
Camera specs
  • 13 MP
  • AF
  • f/2.0
  • 64 MP
  • f/1.8
  • 26mm (wide)
  • 1/1.72''
  • 0.8µm
  • PDAF -8 MP
  • f/2.3
  • 13mm (ultrawide)
  • 1/4.0''
  • 1.12µm -2 MP
  • f/2.4
  • 22mm (macro)
  • 1/5.0''
  • 1.75µm -2 MP B/W
  • (depth)
Functions
  • Dual-LED dual-tone flash
  • panorama
  • HDR
  • HDR
  • panorama
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 2 ZE551ML, Realme 6.
SpecificationZenfone 2 ZE551MLRealme 6
Processor CPU
  • Quad-core 2.3 GHz (4 GB RAM model) -Quad-core 1.8 GHz (2 GB RAM model)
  • Octa-core (2x2.05 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
Graphics processor GPU
  • PowerVR G6430
  • Mali-G76 MC4
Antutu 7 score *
  • 50232
Unknown
Antutu 8 score * Unknown
  • 280904
General specs
General specs — specifications for Zenfone 2 ZE551ML, Realme 6.
SpecificationZenfone 2 ZE551MLRealme 6
Release date
  • 2015
  • January
  • 2020
  • March 5
Colors
  • Osmium Black
  • Sheer Gold
  • Glacier Gray
  • Glamor Red
  • Ceramic White
  • Comet Blue
  • Comet White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 300 EUR
  • 160 EUR
Body build
  • plastic body
  • Glass front (Gorilla Glass 3)
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for Zenfone 2 ZE551ML, Realme 6.
SpecificationZenfone 2 ZE551MLRealme 6
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 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 38(2600)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 42.2/11.5 Mbps
  • LTE-A (2CA) Cat6 300/75 Mbps
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 a/b/g/n/ac
  • dual-band
  • 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
  • 5.0
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 0.35 W/kg (head)
  • SAR - 1.14 W/kg (head) 0.59 W/kg (body) SAR EU - 0.71 W/kg (head) 0.57 W/kg (body)
Music and Audio
Music and Audio — specifications for Zenfone 2 ZE551ML, Realme 6.
SpecificationZenfone 2 ZE551MLRealme 6
Radio
  • FM radio
  • RDS
  • FM radio
Others Unknown
  • 480 nits typ. brightness -90Hz refresh rate
Other features
Other features — specifications for Zenfone 2 ZE551ML, Realme 6.
SpecificationZenfone 2 ZE551MLRealme 6
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging: 60% in 40 min
  • Sensors Fingerprint (side-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 30W: 100% in 55 min - Splash resistant