Celkon A20 vs verykool s757

Compare recorded specifications, size and practical differences.

Celkon A20

Replace A20

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verykool s757

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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.

Screen diagonal

A20: 1 in smaller diagonal

A20:

4 in

s757:

5 in
Release year

A20:

2013

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.

1. A20

Height:

Unknown
Width:

Unknown
Depth:

Unknown

Weight:

Unknown

Unavailable dimensions are omitted from the drawing.
2. s757

Height:

148 mm
Width:

77 mm
Depth:

12.8 mm

Weight:

288 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. A20

Screen diagonal:

4 in

Aspect ratio (height:width):

5:3

Approximate rectangular screen area:

45.5 cm²
2. s757

Screen diagonal:

5 in

Aspect ratio (height:width):

5:3

Approximate rectangular screen area:

71.2 cm²

s757 has approximately 56.2% more rectangular screen area than A20.

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.

A20: Original memory entry

256 MB · 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. A20

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 battery capacity

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

1. A20

1500 mAh
2. s757

2300 mAh

+800 mAh versus A20

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. A202. s757

Everyday essentials

Everyday essentials — specifications for A20, s757.
Specification	A20	s757
Dimensions (HxWxD)	Х Х mm	148 Х 77 Х 12.8 mm
Weight	0 g	288 g
Technology	TFT	TFT
Screen size	4" inch	5" inch
Screen resolution	480 x 800 px	480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	256 MB 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)
Battery Capacity is not battery life. No endurance test is implied.	1500 mAh Li-Ion	2300 mAh Removable Li-Po
Operating system OS	Android 4.2.0 (Jelly Bean)	Android 2.3.5 (Gingerbread)
Chipset	Unknown	Mediatek MT6573 (65 nm)
Headphone jack	Yes	Yes

Display

Display — specifications for A20, s757.
Specification	A20	s757
Touchscreen	capacitive 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	Unknown	62.4%
PPI /points per inch/	233 PPI	187 PPI

Camera and Video

Camera and Video — specifications for A20, s757.
Specification	A20	s757
Rear camera, main	3.15 MP Single	5 MP Single
Camera specs	3.15 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 — specifications for A20, s757.
Specification	A20	s757
Processor CPU	Dual-core 1.2 GHz	800 MHz Cortex-A9
Graphics processor GPU	Unknown	PowerVR SGX531

General specs

General specs — specifications for A20, s757.
Specification	A20	s757
Release date	2013 August	2012
Colors	Black	Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.	60 EUR	Unknown

Communication and Connectivity

Communication and Connectivity — specifications for A20, s757.
Specification	A20	s757
SIM card	Dual SIM (Mini-SIM)	Dual SIM (Mini-SIM)
Network	Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 2 (optional)
Speed	Yes 384 kbps	HSPA
GPRS	Class 12	Yes
Edge	Class 12	Yes
Wi-Fi	Wi-Fi 802.11 b/g/n	Wi-Fi 802.11 b/g/n hotspot
GPS	No	Yes with A-GPS
USB	microUSB 2.0	microUSB 2.0
Bluetooth	Yes	2.1 A2DP
Harmful irradiation	SAR EU - 0.88 W/kg (head) 0.60 W/kg (body)	Unknown

Music and Audio

Music and Audio — specifications for A20, s757.
Specification	A20	s757
Radio	Unknown	Stereo FM radio

Other features

Other features — specifications for A20, s757.
Specification	A20	s757
Dop	Sensors Proximity gyro	Sensors Accelerometer proximity compass - MP4/H.263 player -MP3/WAV/eAAC+ player -Organizer -Document viewer -Voice memo/dial -Predictive text input

Celkon A20 vs verykool s757

Celkon A20

verykool s757

Key differences

Screen diagonal

Release year

Physical size

1. A20

2. s757

Screen size

1. A20

2. s757

Memory variants

Practical features

1. A20

2. s757

Battery capacity

Recorded battery capacity

1. A20

2. s757

Specifications

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