alcatel Fierce 4 vs Energizer Ultimate U620S

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.

  • Width

    Ultimate U620S: 1.5 mm narrower

    Fierce 4:
    77 mm
    Ultimate U620S:
    75.5 mm
  • Screen diagonal

    Fierce 4: 0.7 in smaller diagonal

    Fierce 4:
    5.5 in
    Ultimate U620S:
    6.2 in
  • Chipset

    Fierce 4:
    Qualcomm MSM8909 Snapdragon 210 (28 nm)
    Ultimate U620S:
    Mediatek MT6765 Helio P35 (12nm)
  • Rear camera layout

    Fierce 4:
    Single
    Ultimate U620S:
    Triple
  • Height

    Fierce 4: 4.9 mm shorter

    Fierce 4:
    150.9 mm
    Ultimate U620S:
    155.8 mm
  • Release year

    Fierce 4:
    2016
    Ultimate U620S:
    2019

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. Fierce 4

    Height:
    150.9 mm
    Width:
    77 mm +1.5 mm versus Ultimate U620S
    Depth:
    8.1 mm
    Weight:
    163.9 g
  2. 2. Ultimate U620S

    Height:
    155.8 mm +4.9 mm versus Fierce 4
    Width:
    75.5 mm
    Depth:
    8.3 mm
    Weight:
    Unknown

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. Fierce 4

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. Ultimate U620S

    Screen diagonal:
    6.2 in
    Aspect ratio (height:width):
    18.5:9
    Approximate rectangular screen area:
    97.6 cm²

Ultimate U620S has approximately 17% more rectangular screen area than Fierce 4.

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 Fierce 4, Ultimate U620S, compared at the same storage capacity.
StorageFierce 4Ultimate U620S
16 GB 2 GB RAM Unknown
Ultimate U620S: Original memory entry

64 GB · 512GB 4GB

Practical features

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

1. Fierce 4

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

2. Ultimate U620S

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 GB (uses SIM 2 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. Fierce 4

    2500 mAh

  2. 2. Ultimate U620S

    4000 mAh

    +1500 mAh versus Fierce 4

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. Fierce 42. Ultimate U620S

Everyday essentials
Everyday essentials — specifications for Fierce 4, Ultimate U620S.
SpecificationFierce 4Ultimate U620S
Dimensions (HxWxD)
  • 150.9 Х 77 Х 8.1 mm
  • 155.8 Х 75.5 Х 8.3 mm
Weight
  • 163.9 g
  • 0 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.5" inch
  • 6.2" inch
Screen resolution
  • 720 x 1280 px
  • 720 x 1520 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 2 GB RAM
  • 64 GB
  • 512GB 4GB
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • microSD
  • up to 128 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2500 mAh
  • Non-removable Li-Ion
  • 4000 mAh
  • Removable Li-Po
Operating system OS
  • Android 6.0 (Marshmallow)
  • Android 9.0 (Pie)
Chipset
  • Qualcomm MSM8909 Snapdragon 210 (28 nm)
  • Mediatek MT6765 Helio P35 (12nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Fierce 4, Ultimate U620S.
SpecificationFierce 4Ultimate U620S
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.4 cm2
  • 97.6 cm2
Screen format
  • 16:9 (height:width)
  • 18.5:9 (height:width)
Screen to body ratio
  • 71.8%
  • 82.9%
PPI /points per inch/
  • 267 PPI
  • 265 PPI
Screen protection
  • Asahi Dragontrail Glass
Unknown
Camera and Video
Camera and Video — specifications for Fierce 4, Ultimate U620S.
SpecificationFierce 4Ultimate U620S
Rear camera, main
  • 8 MP
  • Single
  • 16 MP
  • Triple
Camera specs
  • 8 MP
  • AF
  • 16 MP
  • PDAF -2 MP -VGA
  • depth sensor
Functions
  • LED flash
  • HDR
  • panorama
  • Dual-LED dual-tone flash
  • panorama
  • HDR
Video
  • 720p@30fps
  • 1080p
Front camera, selfie
  • 5 MP
  • Single
  • 16 MP
  • Single
Specifications
  • 5 MP
  • 16 MP
Performance
Performance — specifications for Fierce 4, Ultimate U620S.
SpecificationFierce 4Ultimate U620S
Processor CPU
  • Quad-core 1.1 GHz Cortex-A7
  • Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
Graphics processor GPU
  • Adreno 304
  • PowerVR GE8320
General specs
General specs — specifications for Fierce 4, Ultimate U620S.
SpecificationFierce 4Ultimate U620S
Release date
  • 2016
  • August
  • 2019
  • January
Colors
  • Black
  • Aurora Red
  • Aurora Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 80 EUR
Unknown
Battery life
  • Stand by time- Up to 526 h (3G) Talking time- Up to 12 h (3G)
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Fierce 4, Ultimate U620S.
SpecificationFierce 4Ultimate U620S
SIM card
  • Nano-SIM
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 1700(AWS) / 1900 -4G - LTE band 2(1900)
  • 4(1700/2100)
  • 12(700)
  • 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)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA
  • LTE Cat4 150/50 Mbps
  • HSPA
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 4.1
  • A2DP
  • LE
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Fierce 4, Ultimate U620S.
SpecificationFierce 4Ultimate U620S
Radio
  • FM radio
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Fierce 4, Ultimate U620S.
SpecificationFierce 4Ultimate U620S
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Fingerprint (side-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass