Amazon Fire Phone vs Asus Zenfone 2 ZE551ML

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

    Fire Phone: 10 g lighter

    Fire Phone:
    160 g
    Zenfone 2 ZE551ML:
    170 g
  • Width

    Fire Phone: 10.7 mm narrower

    Fire Phone:
    66.5 mm
    Zenfone 2 ZE551ML:
    77.2 mm
  • Screen diagonal

    Fire Phone: 0.8 in smaller diagonal

    Fire Phone:
    4.7 in
    Zenfone 2 ZE551ML:
    5.5 in
  • Chipset

    Fire Phone:
    Qualcomm Snapdragon 800 (28 nm)
    Zenfone 2 ZE551ML:
    Intel Atom Z3580 (4 GB RAM model) -Intel Atom Z3560 (2 GB RAM model)
  • Depth

    Fire Phone: 2 mm thinner

    Fire Phone:
    8.9 mm
    Zenfone 2 ZE551ML:
    10.9 mm
  • Height

    Fire Phone: 13.3 mm shorter

    Fire Phone:
    139.2 mm
    Zenfone 2 ZE551ML:
    152.5 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. Fire Phone

    Height:
    139.2 mm
    Width:
    66.5 mm
    Depth:
    8.9 mm
  2. 2. Zenfone 2 ZE551ML

    Height:
    152.5 mm +13.3 mm versus Fire Phone
    Width:
    77.2 mm +10.7 mm versus Fire Phone
    Depth:
    10.9 mm +2 mm versus Fire Phone

Weight

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

  1. 1. Fire Phone

    160 g

  2. 2. Zenfone 2 ZE551ML

    170 g

    +10 g versus Fire Phone

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. Fire Phone

    Screen diagonal:
    4.7 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    60.9 cm²
  2. 2. Zenfone 2 ZE551ML

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

Zenfone 2 ZE551ML has approximately 36.9% more rectangular screen area than Fire Phone.

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 Fire Phone, Zenfone 2 ZE551ML, compared at the same storage capacity.
StorageFire PhoneZenfone 2 ZE551ML
32 GB 2 GB RAM Unknown
64 GB 2 GB RAM Unknown
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. Fire Phone

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details panorama

2. Zenfone 2 ZE551ML

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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. Fire Phone

    2400 mAh

  2. 2. Zenfone 2 ZE551ML

    3000 mAh

    +600 mAh versus Fire Phone

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. Fire Phone2. Zenfone 2 ZE551ML

Everyday essentials
Everyday essentials — specifications for Fire Phone, Zenfone 2 ZE551ML.
SpecificationFire PhoneZenfone 2 ZE551ML
Dimensions (HxWxD)
  • 139.2 Х 66.5 Х 8.9 mm
  • 152.5 Х 77.2 Х 10.9 mm
Weight
  • 160 g
  • 170 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 4.7" inch
  • 5.5" inch
Screen resolution
  • 720 x 1280 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32/64 GB
  • 2 GB RAM
  • 16/32/64 GB
  • 2/4 GB RAM
Memory card support
  • panorama
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2400 mAh
  • Non-removable Li-Ion
  • 3000 mAh
  • Non-removable Li-Po
Operating system OS
  • Amazon Fire 3.5 (Android based)
  • upgradable to 3.6.5
  • Android 5.0 (Lollipop)
  • upgradable to 6.0 (Marshmallow)
Chipset
  • Qualcomm Snapdragon 800 (28 nm)
  • Intel Atom Z3580 (4 GB RAM model) -Intel Atom Z3560 (2 GB RAM model)
NFC
  • Yes
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Fire Phone, Zenfone 2 ZE551ML.
SpecificationFire PhoneZenfone 2 ZE551ML
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 60.9 cm2
  • 83.4 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 65.8%
  • 70.8%
PPI /points per inch/
  • 312 PPI
  • 401 PPI
Screen protection
  • Corning Gorilla Glass 3 (front and back)
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for Fire Phone, Zenfone 2 ZE551ML.
SpecificationFire PhoneZenfone 2 ZE551ML
Rear camera, main
  • 13 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 13 MP
  • DTS HD sound -Active noise cancellation with dedicated mic
  • AF
  • 13 MP
  • AF
  • f/2.0
Functions
  • Dual-LED flash
  • HDR
  • Dual-LED dual-tone flash
  • panorama
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 2.1 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 2.1 MP
  • 5 MP
  • f/2.0
Performance

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

Performance — specifications for Fire Phone, Zenfone 2 ZE551ML.
SpecificationFire PhoneZenfone 2 ZE551ML
Processor CPU
  • Quad-core 2.2 GHz Krait 400
  • Quad-core 2.3 GHz (4 GB RAM model) -Quad-core 1.8 GHz (2 GB RAM model)
Graphics processor GPU
  • Adreno 330
  • PowerVR G6430
Antutu 7 score *
  • 137456
  • 50232
GeekBench 4 Single Core *
  • 17458
Unknown
GeekBench 4 Multi-Core *
  • 2125
Unknown
General specs
General specs — specifications for Fire Phone, Zenfone 2 ZE551ML.
SpecificationFire PhoneZenfone 2 ZE551ML
Release date
  • 2014
  • June
  • 2015
  • January
Colors
  • Black
  • Osmium Black
  • Sheer Gold
  • Glacier Gray
  • Glamor Red
  • Ceramic White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 160 EUR
  • 300 EUR
Battery life
  • Stand by time- Up to 285 h Talking time- Up to 22 h Music play - Up to 65 h
Unknown
Body build Unknown
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for Fire Phone, Zenfone 2 ZE551ML.
SpecificationFire PhoneZenfone 2 ZE551ML
SIM card
  • Dual SIM (Nano-SIM
  • Dual SIM (Micro-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900-3G - HSDPA 850 / 900 / 1700 / 1900 / 2100-4G - LTE band 1(2100)
  • 20(800) LTE band 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 17(700)
  • 20(800)
  • 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
Speed
  • HSPA 42.2/5.76 Mbps
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi 802.11 a/b/g/n/ac
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB Host
Bluetooth
  • 3.0
  • 4.0
  • A2DP
  • EDR
Harmful irradiation Unknown
  • SAR EU - 0.35 W/kg (head)
Music and Audio
Music and Audio — specifications for Fire Phone, Zenfone 2 ZE551ML.
SpecificationFire PhoneZenfone 2 ZE551ML
Radio
  • panorama
  • FM radio
  • RDS
Others
  • 3D Dynamic Perspective UI (based on 4 front cameras) -System wide tilt
  • auto-scroll
  • swivel
  • and peek functions
  • Dolby Digital Plus audio enhancement -Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Fire Phone, Zenfone 2 ZE551ML.
SpecificationFire PhoneZenfone 2 ZE551ML
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • barometer - Firefly technology
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging: 60% in 40 min