Amazon Fire Phone vs Infinix S4

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

    S4: 6 g lighter

    Fire Phone:
    160 g
    S4:
    154 g
  • Width

    Fire Phone: 8.5 mm narrower

    Fire Phone:
    66.5 mm
    S4:
    75 mm
  • Screen diagonal

    Fire Phone: 1.5 in smaller diagonal

    Fire Phone:
    4.7 in
    S4:
    6.2 in
  • Chipset

    Fire Phone:
    Qualcomm Snapdragon 800 (28 nm)
    S4:
    Mediatek MT6762 Helio P22 (12 nm)
  • Rear camera layout

    Fire Phone:
    Single
    S4:
    Triple
  • Depth

    S4: 1 mm thinner

    Fire Phone:
    8.9 mm
    S4:
    7.9 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. Fire Phone

    Height:
    139.2 mm
    Width:
    66.5 mm
    Depth:
    8.9 mm +1 mm versus S4
  2. 2. S4

    Height:
    156 mm +16.8 mm versus Fire Phone
    Width:
    75 mm +8.5 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

    +6 g versus S4

  2. 2. S4

    154 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. S4

    Screen diagonal:
    6.2 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    99.2 cm²

S4 has approximately 62.9% 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, S4, compared at the same storage capacity.
StorageFire PhoneS4
32 GB 2 GB RAM Unknown
64 GB 2 GB RAM Unknown
S4: Original memory entry

64 GB · 4 GB RAM 32 GB · 3 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. S4

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 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. S4

    4000 mAh

    +1600 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. S4

Everyday essentials
Everyday essentials — specifications for Fire Phone, S4.
SpecificationFire PhoneS4
Dimensions (HxWxD)
  • 139.2 Х 66.5 Х 8.9 mm
  • 156 Х 75 Х 7.9 mm
Weight
  • 160 g
  • 154 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 4.7" inch
  • 6.2" inch
Screen resolution
  • 720 x 1280 px
  • 720 x 1440 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
  • 64 GB
  • 4 GB RAM 32 GB
  • 3 GB RAM
Memory card support
  • panorama
  • microSD
  • up to 128 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2400 mAh
  • Non-removable Li-Ion
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Amazon Fire 3.5 (Android based)
  • upgradable to 3.6.5
  • Android 9.0 (Pie)
Chipset
  • Qualcomm Snapdragon 800 (28 nm)
  • Mediatek MT6762 Helio P22 (12 nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Fire Phone, S4.
SpecificationFire PhoneS4
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 60.9 cm2
  • 99.2 cm2
Screen format
  • 16:9 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 65.8%
  • 84.8%
PPI /points per inch/
  • 312 PPI
  • 260 PPI
Screen protection
  • Corning Gorilla Glass 3 (front and back)
Unknown
Camera and Video
Camera and Video — specifications for Fire Phone, S4.
SpecificationFire PhoneS4
Rear camera, main
  • 13 MP
  • Single
  • 13 MP
  • Triple
Camera specs
  • 13 MP
  • DTS HD sound -Active noise cancellation with dedicated mic
  • AF
  • 13 MP
  • PDAF -8 MP -2 MP
Functions
  • Dual-LED flash
  • HDR
  • Dual-LED flash
  • panorama
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 2.1 MP
  • Single
  • 32 MP
  • Single
Specifications
  • 2.1 MP
  • 32 MP
Performance

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

Performance — specifications for Fire Phone, S4.
SpecificationFire PhoneS4
Processor CPU
  • Quad-core 2.2 GHz Krait 400
  • Octa-core 2.0 GHz Cortex-A53
Graphics processor GPU
  • Adreno 330
  • PowerVR GE8320
Antutu 7 score *
  • 137456
Unknown
GeekBench 4 Single Core *
  • 17458
Unknown
GeekBench 4 Multi-Core *
  • 2125
Unknown
General specs
General specs — specifications for Fire Phone, S4.
SpecificationFire PhoneS4
Release date
  • 2014
  • June
  • 2019
  • April
Colors
  • Black
  • Ice Blue
  • Millan Black
  • Tradewinds Gray
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 160 EUR
Unknown
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, S4.
SpecificationFire PhoneS4
SIM card
  • Dual 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 -3G - HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 38(2600)
  • 40(2300)
  • 41(2500)
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
  • dual-band
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 3.0
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Fire Phone, S4.
SpecificationFire PhoneS4
Radio
  • panorama
  • FM radio
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, S4.
SpecificationFire PhoneS4
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • barometer - Firefly technology
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass