Asus Zenfone Go ZB551KL vs ZTE Open

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.

  • Width

    Open: 14.9 mm narrower

    Zenfone Go ZB551KL:
    76.9 mm
    Open:
    62 mm
  • Screen diagonal

    Open: 2 in smaller diagonal

    Zenfone Go ZB551KL:
    5.5 in
    Open:
    3.5 in
  • Chipset

    Zenfone Go ZB551KL:
    Qualcomm MSM8928 Snapdragon 400 (28 nm)
    Open:
    Qualcomm MSM7225A Snapdragon S1
  • Depth

    Zenfone Go ZB551KL: 1.8 mm thinner

    Zenfone Go ZB551KL:
    10.7 mm
    Open:
    12.5 mm
  • Height

    Open: 37 mm shorter

    Zenfone Go ZB551KL:
    151 mm
    Open:
    114 mm
  • Release year

    Zenfone Go ZB551KL:
    2016
    Open:
    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 Go ZB551KL

    Height:
    151 mm +37 mm versus Open
    Width:
    76.9 mm +14.9 mm versus Open
    Depth:
    10.7 mm
    Weight:
    160 g
  2. 2. Open

    Height:
    114 mm
    Width:
    62 mm
    Depth:
    12.5 mm +1.8 mm versus Zenfone Go ZB551KL
    Weight:
    Unknown

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 Go ZB551KL

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

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 cm²

Zenfone Go ZB551KL has approximately 128.6% more rectangular screen area than Open.

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 Go ZB551KL, Open, compared at the same storage capacity.
StorageZenfone Go ZB551KLOpen
16 GB 2 GB RAM Unknown
32 GB 2 GB RAM Unknown
Open: Original memory entry

512 MB ROM · 256 MB 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 Go ZB551KL

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

2. Open

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot) · 2 GB included

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 Go ZB551KL

    3010 mAh

    +1810 mAh versus Open

  2. 2. Open

    1200 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 Go ZB551KL2. Open

Everyday essentials
Everyday essentials — specifications for Zenfone Go ZB551KL, Open.
SpecificationZenfone Go ZB551KLOpen
Dimensions (HxWxD)
  • 151 Х 76.9 Х 10.7 mm
  • 114 Х 62 Х 12.5 mm
Weight
  • 160 g
  • 0 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5.5" inch
  • 3.5" inch
Screen resolution
  • 720 x 1280 px
  • 320 x 480 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
  • 512 MB ROM
  • 256 MB RAM
Memory card support
  • microSD
  • up to 64 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
  • 2 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 3010 mAh
  • Removable Li-Ion
  • 1200 mAh
  • Removable Li-Ion
Operating system OS
  • Android 5.1 (Lollipop)
  • Firefox OS 1.0
Chipset
  • Qualcomm MSM8928 Snapdragon 400 (28 nm)
  • Qualcomm MSM7225A Snapdragon S1
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Zenfone Go ZB551KL, Open.
SpecificationZenfone Go ZB551KLOpen
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 83.4 cm2
  • 36.5 cm2
Screen format
  • 16:9 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 71.8%
  • 51.6%
PPI /points per inch/
  • 267 PPI
  • 165 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for Zenfone Go ZB551KL, Open.
SpecificationZenfone Go ZB551KLOpen
Rear camera, main
  • 8 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 8 MP or 13 MP
  • AF
  • f/2.0
  • 3.15 MP
Functions
  • Dual-LED dual-tone flash
  • HDR
  • panorama
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 5 MP
  • Single
  • 0 MP,
Specifications
  • 5 MP
  • f/2.0
Unknown
Performance

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

Performance — specifications for Zenfone Go ZB551KL, Open.
SpecificationZenfone Go ZB551KLOpen
Processor CPU
  • Quad-core 1.6 GHz Cortex-A7
  • 1.0 GHz Cortex-A5
Graphics processor GPU
  • Adreno 305
  • Adreno 200
Antutu 7 score *
  • 23458
  • 1456
General specs
General specs — specifications for Zenfone Go ZB551KL, Open.
SpecificationZenfone Go ZB551KLOpen
Release date
  • 2016
  • April
  • 2013
  • February
Colors
  • Charcoal Black
  • Pearl White
  • Lake Blue
  • Glacier Gray
  • Sheer Gold
  • Glamour Red
  • Floral Pink
  • Silver Blue
  • Blue
  • Orange
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
Unknown
Battery life
  • Stand by time- Up to 335 h (3G) Talking time- Up to 16 h (3G)
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Zenfone Go ZB551KL, Open.
SpecificationZenfone Go ZB551KLOpen
SIM card
  • Dual SIM (Micro-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • 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)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800) - Global LTE band 1(2100)
  • 5(850) - India
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 21.1/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 7.2/5.76 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 2.1
  • A2DP
  • EDR
Music and Audio
Music and Audio — specifications for Zenfone Go ZB551KL, Open.
SpecificationZenfone Go ZB551KLOpen
Radio
  • FM radio
  • Stereo FM radio
Other features
Other features — specifications for Zenfone Go ZB551KL, Open.
SpecificationZenfone Go ZB551KLOpen
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer
  • proximity - MP3/eAAC+/WAV/WMA player -MP4/H.264/WMV player -Document viewer -Photo viewer -Organizer -Voice memo/dial -Predictive text input