Amazon Fire Phone vs Oppo Realme U1

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: 8 g lighter

    Fire Phone:
    160 g
    Realme U1:
    168 g
  • Width

    Fire Phone: 7.5 mm narrower

    Fire Phone:
    66.5 mm
    Realme U1:
    74 mm
  • Screen diagonal

    Fire Phone: 1.6 in smaller diagonal

    Fire Phone:
    4.7 in
    Realme U1:
    6.3 in
  • Chipset

    Fire Phone:
    Qualcomm Snapdragon 800 (28 nm)
    Realme U1:
    Mediatek Helio P70 (12nm)
  • Rear camera layout

    Fire Phone:
    Single
    Realme U1:
    Dual
  • Depth

    Realme U1: 0.9 mm thinner

    Fire Phone:
    8.9 mm
    Realme U1:
    8 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 +0.9 mm versus Realme U1
  2. 2. Realme U1

    Height:
    157 mm +17.8 mm versus Fire Phone
    Width:
    74 mm +7.5 mm versus Fire Phone
    Depth:
    8 mm

Weight

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

  1. 1. Fire Phone

    160 g

  2. 2. Realme U1

    168 g

    +8 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. Realme U1

    Screen diagonal:
    6.3 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    97.4 cm²

Realme U1 has approximately 60% 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, Realme U1, compared at the same storage capacity.
StorageFire PhoneRealme U1
32 GB 2 GB RAM Unknown
64 GB 2 GB RAM Unknown
Realme U1: 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. Realme U1

NFC:
Unknown
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. Realme U1

    3500 mAh

    +1100 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. Realme U1

Everyday essentials
Everyday essentials — specifications for Fire Phone, Realme U1.
SpecificationFire PhoneRealme U1
Dimensions (HxWxD)
  • 139.2 Х 66.5 Х 8.9 mm
  • 157 Х 74 Х 8 mm
Weight
  • 160 g
  • 168 g
Technology
  • IPS LCD
  • LTPS IPS LCD
Screen size
  • 4.7" inch
  • 6.3" inch
Screen resolution
  • 720 x 1280 px
  • 1080 x 2340 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 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2400 mAh
  • Non-removable Li-Ion
  • 3500 mAh
  • Non-removable Li-Ion
Operating system OS
  • Amazon Fire 3.5 (Android based)
  • upgradable to 3.6.5
  • Android 8.1 (Oreo); ColorOS 5.2
Chipset
  • Qualcomm Snapdragon 800 (28 nm)
  • Mediatek Helio P70 (12nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Fire Phone, Realme U1.
SpecificationFire PhoneRealme U1
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 60.9 cm2
  • 97.4 cm2
Screen format
  • 16:9 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 65.8%
  • 83.9%
PPI /points per inch/
  • 312 PPI
  • 409 PPI
Screen protection
  • Corning Gorilla Glass 3 (front and back)
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for Fire Phone, Realme U1.
SpecificationFire PhoneRealme U1
Rear camera, main
  • 13 MP
  • Single
  • 13 MP
  • Dual
Camera specs
  • 13 MP
  • DTS HD sound -Active noise cancellation with dedicated mic
  • AF
  • 13 MP
  • f/2.2
  • AF -2 MP
  • f/2.4
  • depth sensor
Functions
  • Dual-LED flash
  • HDR
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 2.1 MP
  • Single
  • 25 MP
  • Single
Specifications
  • 2.1 MP
  • 25 MP
  • f/2.0
  • 1/2.8''
  • 0.9μm
Performance

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

Performance — specifications for Fire Phone, Realme U1.
SpecificationFire PhoneRealme U1
Processor CPU
  • Quad-core 2.2 GHz Krait 400
  • Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
Graphics processor GPU
  • Adreno 330
  • Mali-G72 MP3
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, Realme U1.
SpecificationFire PhoneRealme U1
Release date
  • 2014
  • June
  • 2018
  • November
Colors
  • Black
  • Ambitious Black
  • Brave Blue
  • Fiery Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 160 EUR
  • 140 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, Realme U1.
SpecificationFire PhoneRealme U1
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-A Cat6 300/50 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
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 3.0
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Fire Phone, Realme U1.
SpecificationFire PhoneRealme U1
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
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Fire Phone, Realme U1.
SpecificationFire PhoneRealme U1
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • barometer - Firefly technology
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass - Fast battery charging 5V/2A 10W