Amoi E850 vs Asus Zenfone 4 Pro ZS551KL

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

    E850: 67 g lighter

    E850:
    108 g
    Zenfone 4 Pro ZS551KL:
    175 g
  • Width

    E850: 21.6 mm narrower

    E850:
    54 mm
    Zenfone 4 Pro ZS551KL:
    75.6 mm
  • Screen diagonal

    E850: 3.1 in smaller diagonal

    E850:
    2.4 in
    Zenfone 4 Pro ZS551KL:
    5.5 in
  • Rear camera layout

    E850:
    Single
    Zenfone 4 Pro ZS551KL:
    Dual
  • Depth

    Zenfone 4 Pro ZS551KL: 12.4 mm thinner

    E850:
    20 mm
    Zenfone 4 Pro ZS551KL:
    7.6 mm
  • Height

    E850: 54.9 mm shorter

    E850:
    102 mm
    Zenfone 4 Pro ZS551KL:
    156.9 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. E850

    Height:
    102 mm
    Width:
    54 mm
    Depth:
    20 mm +12.4 mm versus Zenfone 4 Pro ZS551KL
  2. 2. Zenfone 4 Pro ZS551KL

    Height:
    156.9 mm +54.9 mm versus E850
    Width:
    75.6 mm +21.6 mm versus E850
    Depth:
    7.6 mm

Weight

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

  1. 1. E850

    108 g

  2. 2. Zenfone 4 Pro ZS551KL

    175 g

    +67 g versus E850

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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. E850

    E850: Screen geometry unavailable or conflicting.

  2. 2. Zenfone 4 Pro ZS551KL

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

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 E850, Zenfone 4 Pro ZS551KL, compared at the same storage capacity.
StorageE850Zenfone 4 Pro ZS551KL
64 GB Unknown 6 GB RAM
128 GB Unknown 6 GB RAM
E850: Original memory entry

64 MB RAM · 128 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. E850

NFC:
See details Super AMOLED
Headphone jack:
See details panorama
Memory card support:
See details microSD (dedicated slot)

2. Zenfone 4 Pro ZS551KL

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 512 GB (uses SIM 2 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. E850

    1100 mAh

  2. 2. Zenfone 4 Pro ZS551KL

    3600 mAh

    +2500 mAh versus E850

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. E8502. Zenfone 4 Pro ZS551KL

Everyday essentials
Everyday essentials — specifications for E850, Zenfone 4 Pro ZS551KL.
SpecificationE850Zenfone 4 Pro ZS551KL
Dimensions (HxWxD)
  • 102 Х 54 Х 20 mm
  • 156.9 Х 75.6 Х 7.6 mm
Weight
  • 108 g
  • 175 g
Technology
  • TFT
  • AMOLED
Screen size
  • 2.4" inch
  • 5.5" inch
Screen resolution
  • 204 x 320 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 MB RAM
  • 128 MB ROM
  • 64/128 GB
  • 6 GB RAM
Memory card support
  • microSD (dedicated slot)
  • microSD
  • up to 512 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1100 mAh
  • Removable Li-Ion
  • 3600 mAh
  • Non-removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 5.0 for PocketPC Phone Edition
  • Android 7.1.1 (Nougat)
  • upgradable to Android 8 (Oreo); ZenUI 4
Chipset Unknown
  • Qualcomm MSM8998 Snapdragon 835 (10 nm)
NFC
  • Super AMOLED
  • Yes
Headphone jack
  • panorama
  • Yes
Display
Display — specifications for E850, Zenfone 4 Pro ZS551KL.
SpecificationE850Zenfone 4 Pro ZS551KL
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • Super AMOLED
  • 16M
Screen area
  • 16.8 cm2
  • 83.4 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 130.6 g
  • 70.3%
PPI /points per inch/
  • 0 PPI
  • 401 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for E850, Zenfone 4 Pro ZS551KL.
SpecificationE850Zenfone 4 Pro ZS551KL
Rear camera, main
  • 2 MP
  • Single
  • 12 MP
  • Dual
Camera specs
  • 2 MP
  • 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
Functions
  • Dual-LED flash
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 8 MP
  • Single
Specifications
  • Super AMOLED
  • 8 MP
  • f/1.9
  • 1/3.2''
  • 22mm (wide)
  • 1.4µm
  • PDAF
Performance
Performance — specifications for E850, Zenfone 4 Pro ZS551KL.
SpecificationE850Zenfone 4 Pro ZS551KL
Processor CPU
  • Intel XScale PXA 272 312 MHz
  • Octa-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo)
Graphics processor GPU Unknown
  • Adreno 540
General specs
General specs — specifications for E850, Zenfone 4 Pro ZS551KL.
SpecificationE850Zenfone 4 Pro ZS551KL
Release date
  • 2006
  • Q2
  • 2017
  • August
Colors
  • Black
  • Moonlight White
  • Pure Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 390 EUR
Battery life
  • Stand by time- Up to 150 h Talking time- Up to 4 h
  • Talking time- Up to 27 h 30 min (3G)
Body build Unknown
  • Front/back glass (Gorilla Glass 5) & aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for E850, Zenfone 4 Pro ZS551KL.
SpecificationE850Zenfone 4 Pro ZS551KL
SIM card
  • Single SIM (Mini-SIM)Dual SIM (Mini-SIM/Micro-SIM
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE
  • 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
Speed
  • Super AMOLED
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat12 600/150 or 100 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • panorama
  • Yes
Wi-Fi
  • panorama
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • panorama
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • GALILEO
USB
  • HSPA 21.1/5.76 Mbps
  • Type-C 1.0 reversible connector
Bluetooth
  • Quad-core 1.25 GHz Cortex-A53
  • 5.0
  • A2DP
  • EDR
  • LE
  • aptX
Music and Audio
Music and Audio — specifications for E850, Zenfone 4 Pro ZS551KL.
SpecificationE850Zenfone 4 Pro ZS551KL
Radio
  • panorama
  • FM radio
Others
  • Handwriting recognition
  • 24-bit/192kHz audio -DTS sound -Active noise cancellation with dedicated mic
Other features
Other features — specifications for E850, Zenfone 4 Pro ZS551KL.
SpecificationE850Zenfone 4 Pro ZS551KL
Dop
  • Super AMOLED
  • Infrared port - Pocket Office -Media player -PC Sync -Voice memo -Organizer -World Time
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • color spectrum
  • Infrared port - Fast battery charging: 50% in 32 min