Celkon A403 vs Coolpad Cool S1

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

    A403: 55 g lighter

    A403:
    113 g
    Cool S1:
    168 g
  • Width

    A403: 9.7 mm narrower

    A403:
    65 mm
    Cool S1:
    74.7 mm
  • Screen diagonal

    A403: 1.5 in smaller diagonal

    A403:
    4 in
    Cool S1:
    5.5 in
  • Chipset

    A403:
    Spreadtrum SC7715
    Cool S1:
    Qualcomm MSM8996 Snapdragon 821 (14 nm)
  • Depth

    Cool S1: 2.7 mm thinner

    A403:
    10.2 mm
    Cool S1:
    7.5 mm
  • Height

    A403: 26.4 mm shorter

    A403:
    125 mm
    Cool S1:
    151.4 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. A403

    Height:
    125 mm
    Width:
    65 mm
    Depth:
    10.2 mm +2.7 mm versus Cool S1
  2. 2. Cool S1

    Height:
    151.4 mm +26.4 mm versus A403
    Width:
    74.7 mm +9.7 mm versus A403
    Depth:
    7.5 mm

Weight

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

  1. 1. A403

    113 g

  2. 2. Cool S1

    168 g

    +55 g versus A403

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. A403

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. Cool S1

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

Cool S1 has approximately 83.1% more rectangular screen area than A403.

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.

A403: Original memory entry

4 GB · 512 MB RAM

Cool S1: Original memory entry

128 GB · 6 GB RAM 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. A403

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB

2. Cool S1

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

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. A403

    1400 mAh

  2. 2. Cool S1

    4070 mAh

    +2670 mAh versus A403

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. A4032. Cool S1

Everyday essentials
Everyday essentials — specifications for A403, Cool S1.
SpecificationA403Cool S1
Dimensions (HxWxD)
  • 125 Х 65 Х 10.2 mm
  • 151.4 Х 74.7 Х 7.5 mm
Weight
  • 113 g
  • 168 g
Technology Unknown
  • IPS LCD
Screen size
  • 4" inch
  • 5.5" inch
Screen resolution
  • 480 x 800 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 128 GB
  • 6 GB RAM 64 GB
  • 512GB 4GB
Memory card support
  • microSD
  • up to 32 GB
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1400 mAh
  • Li-Ion
  • 4070 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 6.0.1 (Marshmallow); eUI 5.8
Chipset
  • Spreadtrum SC7715
  • Qualcomm MSM8996 Snapdragon 821 (14 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A403, Cool S1.
SpecificationA403Cool S1
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 45.5 cm2
  • 83.4 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 56.1%
  • 73.7%
PPI /points per inch/
  • 233 PPI
  • 401 PPI
Camera and Video
Camera and Video — specifications for A403, Cool S1.
SpecificationA403Cool S1
Rear camera, main
  • 3.15 MP
  • Single
  • 16 MP
  • Single
Camera specs
  • 3.15 MP
  • 16 MP
  • PDAF
  • f/2.0
Functions
  • LED flash
  • Dual-LED dual-tone flash
  • HDR
  • panorama
Video
  • Yes
  • Yes
Front camera, selfie
  • 1.3 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 1.3 MP
  • 8 MP
Performance

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

Performance — specifications for A403, Cool S1.
SpecificationA403Cool S1
Processor CPU
  • 1.0 GHz
  • Quad-core (2x2.35 GHz Kryo & 2x1.6 GHz Kryo)
Graphics processor GPU Unknown
  • Adreno 530
GeekBench 4 Single Core * Unknown
  • 1818
GeekBench 4 Multi-Core * Unknown
  • 3877
GeekBench 4 RenderScript * Unknown
  • 7272
General specs
General specs — specifications for A403, Cool S1.
SpecificationA403Cool S1
Release date
  • 2015
  • August
  • 2016
  • December
Colors
  • Black
  • Light Blue
  • Red
  • Yellow
  • Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 420 EUR
Communication and Connectivity
Communication and Connectivity — specifications for A403, Cool S1.
SpecificationA403Cool S1
SIM card
  • Dual SIM
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA -4G - LTE
Speed
  • HSPA
  • HSPA
  • LTE
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 2.0
  • 4.1
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 0.38 W/kg (head) 0.68 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for A403, Cool S1.
SpecificationA403Cool S1
Radio
  • FM radio
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic -Harman Kardon sound enhancement
Other features
Other features — specifications for A403, Cool S1.
SpecificationA403Cool S1
Dop
  • Sensors Accelerometer
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity - Fast battery charging (Quick Charge 3.0)