Coolpad Cool S1 vs Energizer Ultimate U620S

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.

  • Screen diagonal

    Cool S1: 0.7 in smaller diagonal

    Cool S1:
    5.5 in
    Ultimate U620S:
    6.2 in
  • Chipset

    Cool S1:
    Qualcomm MSM8996 Snapdragon 821 (14 nm)
    Ultimate U620S:
    Mediatek MT6765 Helio P35 (12nm)
  • Rear camera layout

    Cool S1:
    Single
    Ultimate U620S:
    Triple
  • Depth

    Cool S1: 0.8 mm thinner

    Cool S1:
    7.5 mm
    Ultimate U620S:
    8.3 mm
  • Height

    Cool S1: 4.4 mm shorter

    Cool S1:
    151.4 mm
    Ultimate U620S:
    155.8 mm
  • Release year

    Cool S1:
    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. Cool S1

    Height:
    151.4 mm
    Width:
    74.7 mm
    Depth:
    7.5 mm
    Weight:
    168 g
  2. 2. Ultimate U620S

    Height:
    155.8 mm +4.4 mm versus Cool S1
    Width:
    75.5 mm
    Depth:
    8.3 mm +0.8 mm versus Cool S1
    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. Cool S1

    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 Cool S1.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

Cool S1: Original memory entry

128 GB · 6 GB RAM 64 GB · 512GB 4GB

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. Cool S1

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
No

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. Cool S1

    4070 mAh

    +70 mAh versus Ultimate U620S

  2. 2. Ultimate U620S

    4000 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. Cool S12. Ultimate U620S

Everyday essentials
Everyday essentials — specifications for Cool S1, Ultimate U620S.
SpecificationCool S1Ultimate U620S
Dimensions (HxWxD)
  • 151.4 Х 74.7 Х 7.5 mm
  • 155.8 Х 75.5 Х 8.3 mm
Weight
  • 168 g
  • 0 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.5" inch
  • 6.2" inch
Screen resolution
  • 1080 x 1920 px
  • 720 x 1520 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128 GB
  • 6 GB RAM 64 GB
  • 512GB 4GB
  • 64 GB
  • 512GB 4GB
Memory card support
  • No
  • microSD
  • up to 128 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 4070 mAh
  • Non-removable Li-Po
  • 4000 mAh
  • Removable Li-Po
Operating system OS
  • Android 6.0.1 (Marshmallow); eUI 5.8
  • Android 9.0 (Pie)
Chipset
  • Qualcomm MSM8996 Snapdragon 821 (14 nm)
  • Mediatek MT6765 Helio P35 (12nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Cool S1, Ultimate U620S.
SpecificationCool S1Ultimate 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
  • 73.7%
  • 82.9%
PPI /points per inch/
  • 401 PPI
  • 265 PPI
Camera and Video
Camera and Video — specifications for Cool S1, Ultimate U620S.
SpecificationCool S1Ultimate U620S
Rear camera, main
  • 16 MP
  • Single
  • 16 MP
  • Triple
Camera specs
  • 16 MP
  • PDAF
  • f/2.0
  • 16 MP
  • PDAF -2 MP -VGA
  • depth sensor
Functions
  • Dual-LED dual-tone flash
  • HDR
  • panorama
  • Dual-LED dual-tone flash
  • panorama
  • HDR
Video
  • Yes
  • 1080p
Front camera, selfie
  • 8 MP
  • Single
  • 16 MP
  • Single
Specifications
  • 8 MP
  • 16 MP
Performance

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

Performance — specifications for Cool S1, Ultimate U620S.
SpecificationCool S1Ultimate U620S
Processor CPU
  • Quad-core (2x2.35 GHz Kryo & 2x1.6 GHz Kryo)
  • Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
Graphics processor GPU
  • Adreno 530
  • PowerVR GE8320
GeekBench 4 Single Core *
  • 1818
Unknown
GeekBench 4 Multi-Core *
  • 3877
Unknown
GeekBench 4 RenderScript *
  • 7272
Unknown
General specs
General specs — specifications for Cool S1, Ultimate U620S.
SpecificationCool S1Ultimate U620S
Release date
  • 2016
  • December
  • 2019
  • January
Colors
  • Gold
  • Aurora Red
  • Aurora Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 420 EUR
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Cool S1, Ultimate U620S.
SpecificationCool S1Ultimate U620S
SIM card
  • Dual SIM
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA -4G - LTE
  • 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
  • HSPA
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • 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
  • Type-C 1.0 reversible connector
  • 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 Cool S1, Ultimate U620S.
SpecificationCool S1Ultimate U620S
Radio
  • FM radio
  • FM radio
Others
  • Active noise cancellation with dedicated mic -Harman Kardon sound enhancement
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Cool S1, Ultimate U620S.
SpecificationCool S1Ultimate U620S
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity - Fast battery charging (Quick Charge 3.0)
  • Sensors Fingerprint (side-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass