Coolpad Cool S1 vs LG Optimus Sol E730

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.

  • Display technology

    OLED versus LCD

    Cool S1:
    LCD
    Optimus Sol E730:
    OLED
  • Weight

    Optimus Sol E730: 58 g lighter

    Cool S1:
    168 g
    Optimus Sol E730:
    110 g
  • Width

    Optimus Sol E730: 12.2 mm narrower

    Cool S1:
    74.7 mm
    Optimus Sol E730:
    62.5 mm
  • Screen diagonal

    Optimus Sol E730: 1.7 in smaller diagonal

    Cool S1:
    5.5 in
    Optimus Sol E730:
    3.8 in
  • Chipset

    Cool S1:
    Qualcomm MSM8996 Snapdragon 821 (14 nm)
    Optimus Sol E730:
    Qualcomm MSM8255 Snapdragon S2
  • Depth

    Cool S1: 2.3 mm thinner

    Cool S1:
    7.5 mm
    Optimus Sol E730:
    9.8 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. Cool S1

    Height:
    151.4 mm +28.9 mm versus Optimus Sol E730
    Width:
    74.7 mm +12.2 mm versus Optimus Sol E730
    Depth:
    7.5 mm
  2. 2. Optimus Sol E730

    Height:
    122.5 mm
    Width:
    62.5 mm
    Depth:
    9.8 mm +2.3 mm versus Cool S1

Weight

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

  1. 1. Cool S1

    168 g

    +58 g versus Optimus Sol E730

  2. 2. Optimus Sol E730

    110 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. Cool S1

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. Optimus Sol E730

    Screen diagonal:
    3.8 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    41.1 cm²

Cool S1 has approximately 102.9% more rectangular screen area than Optimus Sol E730.

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

Optimus Sol E730: Original memory entry

2 GB · 512 MB 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. Cool S1

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

2. Optimus Sol E730

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot) · 2 GB included

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

    +2570 mAh versus Optimus Sol E730

  2. 2. Optimus Sol E730

    1500 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. Optimus Sol E730

Everyday essentials
Everyday essentials — specifications for Cool S1, Optimus Sol E730.
SpecificationCool S1Optimus Sol E730
Dimensions (HxWxD)
  • 151.4 Х 74.7 Х 7.5 mm
  • 122.5 Х 62.5 Х 9.8 mm
Weight
  • 168 g
  • 110 g
Technology
  • IPS LCD
  • Ultra AMOLED
Screen size
  • 5.5" inch
  • 3.8" inch
Screen resolution
  • 1080 x 1920 px
  • 480 x 800 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
  • 2 GB
  • 512 MB RAM
Memory card support
  • No
  • microSD
  • up to 32 GB (dedicated slot)
  • 2 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 4070 mAh
  • Non-removable Li-Po
  • 1500 mAh
  • Removable Li-Ion
Operating system OS
  • Android 6.0.1 (Marshmallow); eUI 5.8
  • Android 2.3.4 (Gingerbread)
Chipset
  • Qualcomm MSM8996 Snapdragon 821 (14 nm)
  • Qualcomm MSM8255 Snapdragon S2
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Cool S1, Optimus Sol E730.
SpecificationCool S1Optimus Sol E730
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 256K
Screen area
  • 83.4 cm2
  • 41.1 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 73.7%
  • 53.7%
PPI /points per inch/
  • 401 PPI
  • 246 PPI
Screen protection Unknown
  • Corning Gorilla Glass
Camera and Video
Camera and Video — specifications for Cool S1, Optimus Sol E730.
SpecificationCool S1Optimus Sol E730
Rear camera, main
  • 16 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 16 MP
  • PDAF
  • f/2.0
  • 5 MP
  • AF
Functions
  • Dual-LED dual-tone flash
  • HDR
  • panorama
Unknown
Video
  • Yes
  • 720p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 8 MP
  • VGA
Performance

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

Performance — specifications for Cool S1, Optimus Sol E730.
SpecificationCool S1Optimus Sol E730
Processor CPU
  • Quad-core (2x2.35 GHz Kryo & 2x1.6 GHz Kryo)
  • 1.0 GHz Scorpion
Graphics processor GPU
  • Adreno 530
  • Adreno 205
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, Optimus Sol E730.
SpecificationCool S1Optimus Sol E730
Release date
  • 2016
  • December
  • 2011
  • August
Colors
  • Gold
  • Black
  • Titan
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 420 EUR
  • 110 EUR
Battery life Unknown
  • Stand by time- Up to 496 h (2G) / Up to 446 h (3G) Talking time- Up to 18 h 30 min (2G) / Up to 8 h 50 min (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Cool S1, Optimus Sol E730.
SpecificationCool S1Optimus Sol E730
SIM card
  • Dual SIM
  • Mini-SIM
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
Speed
  • HSPA
  • LTE
  • HSPA 7.2/2 Mbps
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • DLNA
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • Type-C 1.0 reversible connector
  • microUSB 2.0
Bluetooth
  • 4.1
  • A2DP
  • LE
  • 3.0
  • A2DP
Harmful irradiation Unknown
  • SAR - 0.73 W/kg (head) 1.06 W/kg (body) SAR EU - 0.69 W/kg (head) 0.76 W/kg (body)
Music and Audio
Music and Audio — specifications for Cool S1, Optimus Sol E730.
SpecificationCool S1Optimus Sol E730
Radio
  • FM radio
  • FM radio
Others
  • Active noise cancellation with dedicated mic -Harman Kardon sound enhancement
Unknown
Other features
Other features — specifications for Cool S1, Optimus Sol E730.
SpecificationCool S1Optimus Sol E730
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity - Fast battery charging (Quick Charge 3.0)
  • Sensors Accelerometer
  • proximity
  • compass - MP4/DivX/Xvid/H.264/WMV player -MP3/WAV/WMA/eAAC+ player -Document viewer -Organizer -Voice memo/dial/commands -Predictive text input - Previously rumored as LG Victor