Allview V1 Viper S4G vs Celkon A402: specs comparison

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

A402: 20.7 g lighter

V1 Viper S4G:

124.7 g

A402:

104 g
Width

A402: 6.7 mm narrower

V1 Viper S4G:

70.7 mm

A402:

64 mm
Screen diagonal

A402: 1.5 in smaller diagonal

V1 Viper S4G:

5.5 in

A402:

4 in
Chipset

V1 Viper S4G:

Qualcomm MSM8926 Snapdragon 400 (28 nm)

A402:

Spreadtrum 7715
Depth

V1 Viper S4G: 3.3 mm thinner

V1 Viper S4G:

6.9 mm

A402:

10.2 mm
Height

A402: 17.5 mm shorter

V1 Viper S4G:

143 mm

A402:

125.5 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. V1 Viper S4G

Height:

143 mm +17.5 mm versus A402
Width:

70.7 mm +6.7 mm versus A402
Depth:

6.9 mm
2. A402

Height:

125.5 mm
Width:

64 mm
Depth:

10.2 mm +3.3 mm versus V1 Viper S4G

Weight

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

1. V1 Viper S4G

124.7 g

+20.7 g versus A402
2. A402

104 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.

At least two phones need compatible screen dimensions for a drawing.

1. V1 Viper S4G

V1 Viper S4G: Screen geometry unavailable or conflicting.
2. A402

Screen diagonal:

4 in

Aspect ratio (height:width):

5:3

Approximate rectangular screen area:

45.5 cm²

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.

Recorded RAM for V1 Viper S4G, A402, compared at the same storage capacity.
Storage	V1 Viper S4G	A402
16 GB	2 GB RAM	Unknown

A402: Original memory entry

4 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. V1 Viper S4G

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

2. A402

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

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. V1 Viper S4G

1950 mAh
2. A402

2000 mAh

+50 mAh versus V1 Viper S4G

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. V1 Viper S4G2. A402

Everyday essentials

Everyday essentials — specifications for V1 Viper S4G, A402.
Specification	V1 Viper S4G	A402
Dimensions (HxWxD)	143 Х 70.7 Х 6.9 mm	125.5 Х 64 Х 10.2 mm
Weight	124.7 g	104 g
Technology	IPS LCD	Unknown
Screen size	5.5" inch	4" inch
Screen resolution	720 x 1280 px	480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	16 GB 2 GB RAM	4 GB 512 MB RAM
Memory card support	microSD up to 32 GB (dedicated slot)	microSD up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.	1950 mAh Removable Li-Po	2000 mAh Li-Ion
Operating system OS	Android 4.4 (KitKat)	Android 4.4.2 (KitKat)
Chipset	Qualcomm MSM8926 Snapdragon 400 (28 nm)	Spreadtrum 7715
NFC	Super AMOLED	Unknown
Headphone jack	Yes	Yes

Display

Display — specifications for V1 Viper S4G, A402.
Specification	V1 Viper S4G	A402
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	Super AMOLED	Unknown
Screen area	68.9 cm2	45.5 cm2
Screen format	16:9 (height:width)	5:3 (height:width)
Screen to body ratio	68.2%	56.7%
PPI /points per inch/	294 PPI	233 PPI
Screen protection	Scratch-resistant glass	Unknown

Camera and Video

Camera and Video — specifications for V1 Viper S4G, A402.
Specification	V1 Viper S4G	A402
Rear camera, main	8 MP Single	3.15 MP Single
Camera specs	8 MP AF	3.15 MP
Functions	Dual-LED flash	LED flash
Video	1080p@30fps	Yes
Front camera, selfie	5 MP Single	1.3 MP Single
Specifications	5 MP	1.3 MP

Performance

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

Performance — specifications for V1 Viper S4G, A402.
Specification	V1 Viper S4G	A402
Processor CPU	Quad-core 1.2 GHz Cortex-A7	1.2 GHz
Graphics processor GPU	Adreno 305	Mali-400
Antutu 7 score *	24789	Unknown

General specs

General specs — specifications for V1 Viper S4G, A402.
Specification	V1 Viper S4G	A402
Release date	2014 September	2015 June
Colors	Black White	White Black Blue Silver
Battery life	Stand by time- Up to 195 h Talking time- Up to 9 h 45 min	Unknown

Communication and Connectivity

Communication and Connectivity — specifications for V1 Viper S4G, A402.
Specification	V1 Viper S4G	A402
SIM card	Single SIM (Micro-SIM)Dual SIM (Micro-SIM dual stand-by)	Dual SIM
Network	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 1900 / 2100-4G - LTE band 3(1800) 7(2600) 40(2300)	Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Speed	HSPA 42.2/5.76 Mbps LTE Cat4 150/50 Mbps	Yes 384 kbps
GPRS	Class 12	Yes
Edge	Class 10	Yes
Wi-Fi	Wi-Fi 802.11 b/g/n	Wi-Fi 802.11 b/g/n
GPS	Yes with A-GPS	Yes
USB	microUSB 2.0	microUSB 2.0
Bluetooth	4.0 A2DP EDR	4.0 A2DP
Harmful irradiation	SAR EU - 0.76 W/kg (head) 1.37 W/kg (body)	SAR EU - 0.46 W/kg (head) 0.82 W/kg (body)

Music and Audio

Music and Audio — specifications for V1 Viper S4G, A402.
Specification	V1 Viper S4G	A402
Radio	FM radio RDS	FM radio

Other features

Other features — specifications for V1 Viper S4G, A402.
Specification	V1 Viper S4G	A402
Dop	Sensors Accelerometer proximity	Sensors Accelerometer

Allview V1 Viper S4G vs Celkon A402