Asus Zenfone 2 ZE551ML vs Spice Mi-422 Smartflo Pace

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

    Mi-422 Smartflo Pace: 80 g lighter

    Zenfone 2 ZE551ML:
    170 g
    Mi-422 Smartflo Pace:
    90 g
  • Width

    Mi-422 Smartflo Pace: 13.4 mm narrower

    Zenfone 2 ZE551ML:
    77.2 mm
    Mi-422 Smartflo Pace:
    63.8 mm
  • Screen diagonal

    Mi-422 Smartflo Pace: 1.5 in smaller diagonal

    Zenfone 2 ZE551ML:
    5.5 in
    Mi-422 Smartflo Pace:
    4 in
  • Chipset

    Zenfone 2 ZE551ML:
    Intel Atom Z3580 (4 GB RAM model) -Intel Atom Z3560 (2 GB RAM model)
    Mi-422 Smartflo Pace:
    Mediatek MT6515
  • Height

    Mi-422 Smartflo Pace: 26.5 mm shorter

    Zenfone 2 ZE551ML:
    152.5 mm
    Mi-422 Smartflo Pace:
    126 mm
  • Release year

    Zenfone 2 ZE551ML:
    2015
    Mi-422 Smartflo Pace:
    2013

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 +26.5 mm versus Mi-422 Smartflo Pace
    Width:
    77.2 mm +13.4 mm versus Mi-422 Smartflo Pace
    Depth:
    10.9 mm
  2. 2. Mi-422 Smartflo Pace

    Height:
    126 mm
    Width:
    63.8 mm
    Depth:
    10.9 mm

Weight

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

  1. 1. Zenfone 2 ZE551ML

    170 g

    +80 g versus Mi-422 Smartflo Pace

  2. 2. Mi-422 Smartflo Pace

    90 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 2 ZE551ML

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. Mi-422 Smartflo Pace

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²

Zenfone 2 ZE551ML has approximately 83.1% more rectangular screen area than Mi-422 Smartflo Pace.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

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. Mi-422 Smartflo Pace

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 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

    +1700 mAh versus Mi-422 Smartflo Pace

  2. 2. Mi-422 Smartflo Pace

    1300 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 2 ZE551ML2. Mi-422 Smartflo Pace

Everyday essentials
Everyday essentials — specifications for Zenfone 2 ZE551ML, Mi-422 Smartflo Pace.
SpecificationZenfone 2 ZE551MLMi-422 Smartflo Pace
Dimensions (HxWxD)
  • 152.5 Х 77.2 Х 10.9 mm
  • 126 Х 63.8 Х 10.9 mm
Weight
  • 170 g
  • 90 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5.5" inch
  • 4" inch
Screen resolution
  • 1080 x 1920 px
  • 480 x 800 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
Unknown
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Po
  • 1300 mAh
  • Removable Li-Ion
Operating system OS
  • Android 5.0 (Lollipop)
  • upgradable to 6.0 (Marshmallow)
  • Android 4.0 (Ice Cream Sandwich)
Chipset
  • Intel Atom Z3580 (4 GB RAM model) -Intel Atom Z3560 (2 GB RAM model)
  • Mediatek MT6515
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Zenfone 2 ZE551ML, Mi-422 Smartflo Pace.
SpecificationZenfone 2 ZE551MLMi-422 Smartflo Pace
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 83.4 cm2
  • 45.5 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 70.8%
  • 56.7%
PPI /points per inch/
  • 401 PPI
  • 233 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for Zenfone 2 ZE551ML, Mi-422 Smartflo Pace.
SpecificationZenfone 2 ZE551MLMi-422 Smartflo Pace
Rear camera, main
  • 13 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 13 MP
  • AF
  • f/2.0
  • 3.15 MP
Functions
  • Dual-LED dual-tone flash
  • panorama
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 5 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • 5 MP
  • f/2.0
  • 1.3 MP
Performance

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

Performance — specifications for Zenfone 2 ZE551ML, Mi-422 Smartflo Pace.
SpecificationZenfone 2 ZE551MLMi-422 Smartflo Pace
Processor CPU
  • Quad-core 2.3 GHz (4 GB RAM model) -Quad-core 1.8 GHz (2 GB RAM model)
  • 1.0 GHz Cortex-A9
Graphics processor GPU
  • PowerVR G6430
  • PowerVR SGX531
Antutu 7 score *
  • 50232
Unknown
General specs
General specs — specifications for Zenfone 2 ZE551ML, Mi-422 Smartflo Pace.
SpecificationZenfone 2 ZE551MLMi-422 Smartflo Pace
Release date
  • 2015
  • January
  • 2013
  • May
Colors
  • Osmium Black
  • Sheer Gold
  • Glacier Gray
  • Glamor Red
  • Ceramic White
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 300 EUR
  • 50 EUR
Battery life Unknown
  • Stand by time- Up to 190 h Talking time- Up to 4 h 30 min
Body build
  • plastic body
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Zenfone 2 ZE551ML, Mi-422 Smartflo Pace.
SpecificationZenfone 2 ZE551MLMi-422 Smartflo Pace
SIM card
  • Dual SIM (Micro-SIM
  • dual stand-by)
  • Dual SIM (Mini-SIM)
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
Unknown
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
Unknown
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • A-GPS only
USB
  • microUSB 2.0
  • USB Host
  • microUSB
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • Yes
Harmful irradiation
  • SAR EU - 0.35 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for Zenfone 2 ZE551ML, Mi-422 Smartflo Pace.
SpecificationZenfone 2 ZE551MLMi-422 Smartflo Pace
Radio
  • FM radio
  • RDS
  • FM radio
Other features
Other features — specifications for Zenfone 2 ZE551ML, Mi-422 Smartflo Pace.
SpecificationZenfone 2 ZE551MLMi-422 Smartflo Pace
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging: 60% in 40 min
  • Sensors Accelerometer