Amazon Fire Phone vs LG K4 (2017)

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

    K4 (2017): 22 g lighter

    Fire Phone:
    160 g
    K4 (2017):
    138 g
  • Width

    Fire Phone: 6.1 mm narrower

    Fire Phone:
    66.5 mm
    K4 (2017):
    72.6 mm
  • Screen diagonal

    Fire Phone: 0.3 in smaller diagonal

    Fire Phone:
    4.7 in
    K4 (2017):
    5 in
  • Chipset

    Fire Phone:
    Qualcomm Snapdragon 800 (28 nm)
    K4 (2017):
    Qualcomm MSM8909 Snapdragon 210 (28 nm)
  • Depth

    K4 (2017): 1 mm thinner

    Fire Phone:
    8.9 mm
    K4 (2017):
    7.9 mm
  • Height

    Fire Phone: 5.5 mm shorter

    Fire Phone:
    139.2 mm
    K4 (2017):
    144.7 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 +1 mm versus K4 (2017)
  2. 2. K4 (2017)

    Height:
    144.7 mm +5.5 mm versus Fire Phone
    Width:
    72.6 mm +6.1 mm versus Fire Phone
    Depth:
    7.9 mm

Weight

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

  1. 1. Fire Phone

    160 g

    +22 g versus K4 (2017)

  2. 2. K4 (2017)

    138 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. Fire Phone

    Screen diagonal:
    4.7 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    60.9 cm²
  2. 2. K4 (2017)

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

K4 (2017) has approximately 13.2% 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, K4 (2017), compared at the same storage capacity.
StorageFire PhoneK4 (2017)
32 GB 2 GB RAM Unknown
64 GB 2 GB RAM Unknown
K4 (2017): Original memory entry

8 GB/ 16 GB (AT&T · Cricket) · 1 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. K4 (2017)

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. Fire Phone

    2400 mAh

  2. 2. K4 (2017)

    2500 mAh

    +100 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. K4 (2017)

Everyday essentials
Everyday essentials — specifications for Fire Phone, K4 (2017).
SpecificationFire PhoneK4 (2017)
Dimensions (HxWxD)
  • 139.2 Х 66.5 Х 8.9 mm
  • 144.7 Х 72.6 Х 7.9 mm
Weight
  • 160 g
  • 138 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 4.7" inch
  • 5" inch
Screen resolution
  • 720 x 1280 px
  • 480 x 854 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
  • 8 GB/ 16 GB (AT&T
  • Cricket)
  • 1 GB RAM
Memory card support
  • panorama
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2400 mAh
  • Non-removable Li-Ion
  • 2500 mAh
  • Removable Li-Ion
Operating system OS
  • Amazon Fire 3.5 (Android based)
  • upgradable to 3.6.5
  • Android 6.0.1 (Marshmallow)
Chipset
  • Qualcomm Snapdragon 800 (28 nm)
  • Qualcomm MSM8909 Snapdragon 210 (28 nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Fire Phone, K4 (2017).
SpecificationFire PhoneK4 (2017)
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 60.9 cm2
  • 69.6 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 65.8%
  • 66.3%
PPI /points per inch/
  • 312 PPI
  • 195 PPI
Screen protection
  • Corning Gorilla Glass 3 (front and back)
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for Fire Phone, K4 (2017).
SpecificationFire PhoneK4 (2017)
Rear camera, main
  • 13 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 13 MP
  • DTS HD sound -Active noise cancellation with dedicated mic
  • AF
  • 5 MP
  • AF
  • f/2.6
Functions
  • Dual-LED flash
  • HDR
  • LED flash
  • HDR
Video
  • 1080p@30fps
  • 720p
Front camera, selfie
  • 2.1 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 2.1 MP
  • 5 MP
  • f/2.7
Performance

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

Performance — specifications for Fire Phone, K4 (2017).
SpecificationFire PhoneK4 (2017)
Processor CPU
  • Quad-core 2.2 GHz Krait 400
  • Quad-core 1.1 GHz Cortex-A7
Graphics processor GPU
  • Adreno 330
  • Adreno 304
Antutu 7 score *
  • 137456
  • 17326
GeekBench 4 Single Core *
  • 17458
Unknown
GeekBench 4 Multi-Core *
  • 2125
Unknown
General specs
General specs — specifications for Fire Phone, K4 (2017).
SpecificationFire PhoneK4 (2017)
Release date
  • 2014
  • June
  • 2016
  • December
Colors
  • Black
  • Black
  • Titan
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 160 EUR
  • 120 EUR
Battery life
  • Stand by time- Up to 285 h Talking time- Up to 22 h Music play - Up to 65 h
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Fire Phone, K4 (2017).
SpecificationFire PhoneK4 (2017)
SIM card
  • Dual SIM (Nano-SIM
  • Single SIM (Nano-SIM)Dual SIM (Nano-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 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
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 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 3.0
  • 4.1
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Fire Phone, K4 (2017).
SpecificationFire PhoneK4 (2017)
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, K4 (2017).
SpecificationFire PhoneK4 (2017)
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • barometer - Firefly technology
  • Sensors Accelerometer
  • proximity - Also known as LG K4 M160
  • LG Phoenix 3 (АТ&Т)
  • LG Fortune (Cricket Wireless)