Asus Zenfone 4 Pro ZS551KL vs T-Mobile MDA Basic

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

    MDA Basic: 65 g lighter

    Zenfone 4 Pro ZS551KL:
    175 g
    MDA Basic:
    110 g
  • Width

    MDA Basic: 16.6 mm narrower

    Zenfone 4 Pro ZS551KL:
    75.6 mm
    MDA Basic:
    59 mm
  • Screen diagonal

    MDA Basic: 2.7 in smaller diagonal

    Zenfone 4 Pro ZS551KL:
    5.5 in
    MDA Basic:
    2.8 in
  • Chipset

    Zenfone 4 Pro ZS551KL:
    Qualcomm MSM8998 Snapdragon 835 (10 nm)
    MDA Basic:
    TI OMAP 850
  • Rear camera layout

    Zenfone 4 Pro ZS551KL:
    Dual
    MDA Basic:
    Single
  • Depth

    Zenfone 4 Pro ZS551KL: 8.4 mm thinner

    Zenfone 4 Pro ZS551KL:
    7.6 mm
    MDA Basic:
    16 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 4 Pro ZS551KL

    Height:
    156.9 mm +51.9 mm versus MDA Basic
    Width:
    75.6 mm +16.6 mm versus MDA Basic
    Depth:
    7.6 mm
  2. 2. MDA Basic

    Height:
    105 mm
    Width:
    59 mm
    Depth:
    16 mm +8.4 mm versus Zenfone 4 Pro ZS551KL

Weight

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

  1. 1. Zenfone 4 Pro ZS551KL

    175 g

    +65 g versus MDA Basic

  2. 2. MDA Basic

    110 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 4 Pro ZS551KL

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

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

Zenfone 4 Pro ZS551KL has approximately 243.5% more rectangular screen area than MDA Basic.

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 4 Pro ZS551KL, MDA Basic, compared at the same storage capacity.
StorageZenfone 4 Pro ZS551KLMDA Basic
64 GB 6 GB RAM Unknown
128 GB 6 GB RAM Unknown
MDA Basic: Original memory entry

128 MB RAM · 256 MB ROM

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 4 Pro ZS551KL

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 512 GB (uses SIM 2 slot)

2. MDA Basic

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD (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 4 Pro ZS551KL

    3600 mAh

    +2500 mAh versus MDA Basic

  2. 2. MDA Basic

    1100 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 4 Pro ZS551KL2. MDA Basic

Everyday essentials
Everyday essentials — specifications for Zenfone 4 Pro ZS551KL, MDA Basic.
SpecificationZenfone 4 Pro ZS551KLMDA Basic
Dimensions (HxWxD)
  • 156.9 Х 75.6 Х 7.6 mm
  • 105 Х 59 Х 16 mm
Weight
  • 175 g
  • 110 g
Technology
  • AMOLED
  • TFT
Screen size
  • 5.5" inch
  • 2.8" inch
Screen resolution
  • 1080 x 1920 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64/128 GB
  • 6 GB RAM
  • 128 MB RAM
  • 256 MB ROM
Memory card support
  • microSD
  • up to 512 GB (uses SIM 2 slot)
  • microSD (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3600 mAh
  • Non-removable Li-Ion
  • 1100 mAh
  • Removable Li-Ion
Operating system OS
  • Android 7.1.1 (Nougat)
  • upgradable to Android 8 (Oreo); ZenUI 4
  • Microsoft Windows Mobile 6.1 Professional
Chipset
  • Qualcomm MSM8998 Snapdragon 835 (10 nm)
  • TI OMAP 850
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for Zenfone 4 Pro ZS551KL, MDA Basic.
SpecificationZenfone 4 Pro ZS551KLMDA Basic
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 83.4 cm2
  • 24.3 cm2
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 70.3%
  • 39.2%
PPI /points per inch/
  • 401 PPI
  • 143 PPI
Screen protection
  • Corning Gorilla Glass 5
Unknown
Camera and Video
Camera and Video — specifications for Zenfone 4 Pro ZS551KL, MDA Basic.
SpecificationZenfone 4 Pro ZS551KLMDA Basic
Rear camera, main
  • 12 MP
  • Dual
  • 2 MP
  • Single
Camera specs
  • 12 MP
  • f/1.7
  • 25mm (wide)
  • 1/2.55''
  • 1.4µm
  • 4-axis OIS
  • dual pixel PDAF & laser AF -16 MP
  • 50mm (telephoto)
  • 1/3.1''
  • 1.0µm
  • 2x optical zoom
  • AF
  • 2 MP
Functions
  • HDR
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 8 MP
  • Single
  • 0 MP,
Specifications
  • 8 MP
  • f/1.9
  • 1/3.2''
  • 22mm (wide)
  • 1.4µm
  • PDAF
Unknown
Performance
Performance — specifications for Zenfone 4 Pro ZS551KL, MDA Basic.
SpecificationZenfone 4 Pro ZS551KLMDA Basic
Processor CPU
  • Octa-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo)
  • 200 MHz ARM926EJ-S
Graphics processor GPU
  • Adreno 540
Unknown
General specs
General specs — specifications for Zenfone 4 Pro ZS551KL, MDA Basic.
SpecificationZenfone 4 Pro ZS551KLMDA Basic
Release date
  • 2017
  • August
  • 2009
  • January
Colors
  • Moonlight White
  • Pure Black
  • Gray
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 390 EUR
Unknown
Battery life
  • Talking time- Up to 27 h 30 min (3G)
  • Stand by time- Up to 270 h Talking time- Up to 8 h
Body build
  • Front/back glass (Gorilla Glass 5) & aluminum frame
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Zenfone 4 Pro ZS551KL, MDA Basic.
SpecificationZenfone 4 Pro ZS551KLMDA Basic
SIM card
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 17(700)
  • 19(800)
  • 20(800)
  • 28(700)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) - Global
  • Taiwan LTE band 1(2100)
  • 12(700)
  • 18(800)
  • 26(850)
  • 29(700)
  • 30(2300)
  • 41(2500) - US
  • Canada
  • Brazil LTE band 1(2100)
  • 41(2500) - India
Unknown
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat12 600/150 or 100 Mbps
Unknown
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11b/g
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • No
USB
  • Type-C 1.0 reversible connector
  • miniUSB
Bluetooth
  • 5.0
  • A2DP
  • EDR
  • LE
  • aptX
  • 2.0
  • A2DP
Music and Audio
Music and Audio — specifications for Zenfone 4 Pro ZS551KL, MDA Basic.
SpecificationZenfone 4 Pro ZS551KLMDA Basic
Radio
  • FM radio
  • No
Others
  • 24-bit/192kHz audio -DTS sound -Active noise cancellation with dedicated mic
  • TouchFLO finger swipe navigation -Handwriting recognition -5-way navigation
Other features
Other features — specifications for Zenfone 4 Pro ZS551KL, MDA Basic.
SpecificationZenfone 4 Pro ZS551KLMDA Basic
Dop
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • color spectrum
  • Infrared port - Fast battery charging: 50% in 32 min
  • Pocket Office -Voice memo -MP3/AAC player