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Celkon A40 vs verykool s757

Compare recorded specifications, size and practical differences.

Celkon A40

Celkon A40

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verykool s757

verykool s757

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+ 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.

  • WeightA40: 161.5 g lighterA40: 126.5 g · s757: 288 g
  • WidthA40: 13 mm narrowerA40: 64 mm · s757: 77 mm
  • Screen diagonalA40: 1 in smaller diagonalA40: 4 in · s757: 5 in
  • DepthA40: 2 mm thinnerA40: 10.8 mm · s757: 12.8 mm
  • HeightA40: 21.8 mm shorterA40: 126.2 mm · s757: 148 mm
  • Release year2014 / 2012A40: 2014 · s757: 2012

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.

Front
A40: 126.2 × 64 mm 1 s757: 148 × 77 mm 2
Side
A40: 126.2 × 10.8 mm 1 s757: 148 × 12.8 mm 2
  1. 1. A40
    Height
    126.2 mm
    Width
    64 mm
    Depth
    10.8 mm
    Weight
    126.5 g
  2. 2. s757
    Height
    148 mm+21.8 mm versus A40
    Width
    77 mm+13 mm versus A40
    Depth
    12.8 mm+2 mm versus A40
    Weight
    288 g
Weight

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

  1. 1. A40126.5 g
  2. 2. s757288 g

    +161.5 g versus A40

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.

Screen size
A40: 4 in, 5:3, About 45.5 cm² rectangular area 1 s757: 5 in, 5:3, About 71.2 cm² rectangular area 2
  1. 1. A40 4 in · 5:3 About 45.5 cm² rectangular area
  2. 2. s757 5 in · 5:3 About 71.2 cm² rectangular area

s757 has approximately 56.2% more rectangular screen area than A40.

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.

A40: Original memory entry

4 GB · 512 MB RAM

s757: Original memory entry

160 MB · 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. A40

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

2. s757

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

Battery capacity

Capacity is not battery life. No endurance test is implied.

Recorded capacity

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

  1. 1. A401500 mAh
  2. 2. s7572300 mAh

    +800 mAh versus A40

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. A402. s757

Everyday essentials
Everyday essentials
SpecificationA40s757
Dimensions (HxWxD)
  • 126.2 Х 64 Х 10.8 mm
  • 148 Х 77 Х 12.8 mm
Weight
  • 126.5 g
  • 288 g
Technology
  • TFT
  • TFT
Screen size
  • 4" inch
  • 5" inch
Screen resolution
  • 480 x 800 px
  • 480 x 800 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 160 MB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
BatteryCapacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Li-Ion
  • 2300 mAh
  • Removable Li-Po
Operating system OS
  • Android 4.2.2 (Jelly Bean)
  • Android 2.3.5 (Gingerbread)
Chipset Unknown
  • Mediatek MT6573 (65 nm)
Headphone jack
  • Yes
  • Yes
Display
Display
SpecificationA40s757
Touchscreen
  • touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 45.5 cm2
  • 71.2 cm2
Screen format
  • 5:3 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 56.4%
  • 62.4%
PPI /points per inch/
  • 233 PPI
  • 187 PPI
Camera and Video
Camera and Video
SpecificationA40s757
Rear camera, main
  • 5 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 5 MP
  • 5 MP
Functions Unknown
  • LED flash
Video
  • Yes
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • VGA
  • VGA
Performance
Performance
SpecificationA40s757
Processor CPU
  • Dual-core 1.3 GHz
  • 800 MHz Cortex-A9
Graphics processor GPU Unknown
  • PowerVR SGX531
General specs
General specs
SpecificationA40s757
Release date
  • 2014
  • January
  • 2012
Colors
  • White
  • Yellow
  • Blue
  • Black
Communication and Connectivity
Communication and Connectivity
SpecificationA40s757
SIM card
  • Dual SIM
  • Dual SIM (Mini-SIM)
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 2 (optional)
Speed Unknown
  • HSPA
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 2.0
  • 2.1
  • A2DP
Music and Audio
Music and Audio
SpecificationA40s757
Radio
  • FM radio
  • Stereo FM radio
Other features
Other features
SpecificationA40s757
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer
  • proximity
  • compass - MP4/H.263 player -MP3/WAV/eAAC+ player -Organizer -Document viewer -Voice memo/dial -Predictive text input