alcatel Flash (2017) vs alcatel U5 HD

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

    U5 HD: 26 g lighter

    Flash (2017):
    155 g
    U5 HD:
    129 g
  • Width

    U5 HD: 4 mm narrower

    Flash (2017):
    75.4 mm
    U5 HD:
    71.4 mm
  • Screen diagonal

    U5 HD: 0.5 in smaller diagonal

    Flash (2017):
    5.5 in
    U5 HD:
    5 in
  • Chipset

    Flash (2017):
    Mediatek MT6797 Helio X20 (20 nm)
    U5 HD:
    Mediatek MT6737 (28 nm)
  • Height

    U5 HD: 10.8 mm shorter

    Flash (2017):
    152.6 mm
    U5 HD:
    141.8 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. Flash (2017)

    Height:
    152.6 mm +10.8 mm versus U5 HD
    Width:
    75.4 mm +4 mm versus U5 HD
    Depth:
    8.7 mm
  2. 2. U5 HD

    Height:
    141.8 mm
    Width:
    71.4 mm
    Depth:
    9 mm

Weight

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

  1. 1. Flash (2017)

    155 g

    +26 g versus U5 HD

  2. 2. U5 HD

    129 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. Flash (2017)

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. U5 HD

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

Flash (2017) has approximately 21% more rectangular screen area than U5 HD.

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 Flash (2017), U5 HD, compared at the same storage capacity.
StorageFlash (2017)U5 HD
8 GB Not recorded 1 GB RAM
32 GB 3 GB RAM Not recorded

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. Flash (2017)

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB

2. U5 HD

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

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. Flash (2017)

    3100 mAh

    +900 mAh versus U5 HD

  2. 2. U5 HD

    2200 mAh

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. Flash (2017)2. U5 HD

Everyday essentials
Everyday essentials — specifications for Flash (2017), U5 HD.
SpecificationFlash (2017)U5 HD
Dimensions (HxWxD)
  • 152.6 Х 75.4 Х 8.7 mm
  • 141.8 Х 71.4 Х 9 mm
Weight
  • 155 g
  • 129 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.5" inch
  • 5" inch
Screen resolution
  • 1080 x 1920 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 3 GB RAM
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 256 GB
  • microSD
  • up to 128 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 3100 mAh
  • Non-removable Li-Ion
  • 2200 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 6.0 (Marshmallow)
  • Android 7.0 (Nougat)
Chipset
  • Mediatek MT6797 Helio X20 (20 nm)
  • Mediatek MT6737 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Flash (2017), U5 HD.
SpecificationFlash (2017)U5 HD
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.4 cm2
  • 68.9 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 72.5%
  • 68.1%
PPI /points per inch/
  • 401 PPI
  • 294 PPI
Screen protection
  • Asahi Dragontrail Glass
  • oleophobic coating
Unknown
Camera and Video
Camera and Video — specifications for Flash (2017), U5 HD.
SpecificationFlash (2017)U5 HD
Rear camera, main
  • 13 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 13 MP
  • f/2.0
  • 1/3''
  • 1.12µm
  • PDAF -13 MP B/W
  • PDAF
  • 13 MP
  • AF
Functions
  • Dual-LED dual-tone flash
  • LED flash
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Dual
  • 8 MP
  • Single
Specifications
  • 8 MP
  • f/2.0
  • AF 5 MP
  • depth sensor
  • 8 MP
Performance

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

Performance — specifications for Flash (2017), U5 HD.
SpecificationFlash (2017)U5 HD
Processor CPU
  • Deca-core (2x2.3 GHz Cortex-A72
  • 4x1.9 GHz Cortex-A53
  • 4x1.4 GHz Cortex-A53)
  • Quad-core 1.1 GHz Cortex-A53
Graphics processor GPU
  • Mali-T880 MP4
  • Mali-T720MP2
Antutu 7 score *
  • 85123
  • 27145
General specs
General specs — specifications for Flash (2017), U5 HD.
SpecificationFlash (2017)U5 HD
Release date
  • 2017
  • April
  • 2017
  • August
Colors
  • Titanium Grey
  • Black
Battery life
  • Stand by time- Up to 466 h (3G) Talking time- Up to 20 h (3G)
  • Stand by time- Up to 200 h (3G) Talking time- Up to 5 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Flash (2017), U5 HD.
SpecificationFlash (2017)U5 HD
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 8(900)
  • 20(800)
Speed
  • HSPA
  • LTE
  • HSPA 42.2/11.5 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
USB
  • Type-C 1.0 reversible connector
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 4.1
  • A2DP
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Flash (2017), U5 HD.
SpecificationFlash (2017)U5 HD
Radio
  • FM radio
  • FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Flash (2017), U5 HD.
SpecificationFlash (2017)U5 HD
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass
  • Sensors Accelerometer
  • proximity