Allview V2 Viper i4G vs Samsung Galaxy A21: 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.

Display technology

OLED versus LCD

V2 Viper i4G:

LCD

Galaxy A21:

OLED
Screen diagonal

V2 Viper i4G: 1 in smaller diagonal

V2 Viper i4G:

5.5 in

Galaxy A21:

6.5 in
Rear camera layout

V2 Viper i4G:

Single

Galaxy A21:

Quad
Release year

V2 Viper i4G:

2016

Galaxy A21:

2020

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. V2 Viper i4G

Height:

143.5 mm
Width:

72 mm
Depth:

8.3 mm

Weight:

144.5 g
2. Galaxy A21

Height:

Unknown
Width:

Unknown
Depth:

Unknown

Weight:

Unknown

Unavailable dimensions are omitted from the drawing.

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. V2 Viper i4G

V2 Viper i4G: Screen geometry unavailable or conflicting.
2. Galaxy A21

Screen diagonal:

6.5 in

Aspect ratio (height:width):

20:9

Approximate rectangular screen area:

102 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 V2 Viper i4G, Galaxy A21, compared at the same storage capacity.
Storage	V2 Viper i4G	Galaxy A21
16 GB	2 GB RAM	Not recorded
32 GB	Not recorded	3 GB 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. V2 Viper i4G

NFC:: See details Super AMOLED
Headphone jack:: Yes
Memory card support:: See details microSD · up to 256 GB

2. Galaxy A21

NFC:: See details Yes (market/region dependent)
Headphone jack:: Yes
Memory card support:: See details microSDXC (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. V2 Viper i4G

2300 mAh
2. Galaxy A21

4000 mAh

+1700 mAh versus V2 Viper i4G

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. V2 Viper i4G2. Galaxy A21

Everyday essentials

Everyday essentials — specifications for V2 Viper i4G, Galaxy A21.
Specification	V2 Viper i4G	Galaxy A21
Dimensions (HxWxD)	143.5 Х 72 Х 8.3 mm	Х Х mm
Weight	144.5 g	0 g
Technology	IPS LCD	Super AMOLED
Screen size	5.5" inch	6.5" inch
Screen resolution	720 x 1280 px	720 x 1600 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	16 GB 2 GB RAM	32GB 3GB RAM
Memory card support	microSD up to 256 GB	microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.	2300 mAh Removable Li-Ion	4000 mAh Non-removable Li-Po
Operating system OS	Android 5.1 (Lollipop)	Android 10.0; One UI 2.0
Chipset	Mediatek MT6735 (28 nm)	Unknown
NFC	Super AMOLED	Yes (market/region dependent)
Headphone jack	Yes	Yes

Display

Display — specifications for V2 Viper i4G, Galaxy A21.
Specification	V2 Viper i4G	Galaxy A21
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	Super AMOLED	16M
Screen area	68.9 cm2	102.0 cm2
Screen format	16:9 (height:width)	20:9 (height:width)
Screen to body ratio	136 Х 66.7 Х 9.9 mm	Unknown
PPI /points per inch/	294 PPI	270 PPI
Screen protection	Scratch-resistant glass	Unknown

Camera and Video

Camera and Video — specifications for V2 Viper i4G, Galaxy A21.
Specification	V2 Viper i4G	Galaxy A21
Rear camera, main	8 MP Single	16 MP Quad
Camera specs	8 MP AF	16 MP (wide) AF -8 MP (ultrawide) -2 MP (macro) -2 MP (depth)
Functions	Dual-LED flash HDR panorama	LED flash panorama HDR
Video	1080p@30fps	1080p@30fps
Front camera, selfie	5 MP Single	13 MP Single
Specifications	5 MP	13 MP (wide)

Performance

Performance — specifications for V2 Viper i4G, Galaxy A21.
Specification	V2 Viper i4G	Galaxy A21
Processor CPU	Quad-core 1.3 GHz Cortex-A53	Unknown
Graphics processor GPU	Mali-T720MP2	Unknown

General specs

General specs — specifications for V2 Viper i4G, Galaxy A21.
Specification	V2 Viper i4G	Galaxy A21
Release date	2016 April	2020 April 8
Colors	Black White	Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.	Unknown	250 EUR
Battery life	Stand by time- Up to 210 h Talking time- Up to 10 h	Unknown
Body build	Unknown	Glass front plastic back plastic frame

Communication and Connectivity

Communication and Connectivity — specifications for V2 Viper i4G, Galaxy A21.
Specification	V2 Viper i4G	Galaxy A21
SIM card	Single SIM (Micro-SIM)Dual SIM (Micro-SIM dual stand-by)	Single SIM (Nano-SIM)Dual SIM (Nano-SIM dual stand-by)
Network	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 1900 / 2100-4G - LTE band 1(2100) 3(1800) 7(2600) 20(800) 38(2600) 39(1900) 40(2300) 41(2500) - 5007U	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM only) -3G - HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 1700(AWS) / 1900 / 2100 -4G - LTE
Speed	HSPA 21.1/5.76 Mbps LTE Cat4 150/50 Mbps	HSPA 42.2/5.76 Mbps LTE Cat4 150/50 Mbps
GPRS	Class 12	Yes
Edge	Class 10	Yes
Wi-Fi	Wi-Fi 802.11 b/g/n	Wi-Fi 802.11 b/g/n Wi-Fi Direct hotspot
GPS	Yes with A-GPS	Yes with A-GPS GLONASS BDS
USB	microUSB 2.0	Yes
Bluetooth	4.0 A2DP EDR	5.0 A2DP LE
Harmful irradiation	SAR EU - 0.57 W/kg (head)	Unknown

Music and Audio

Music and Audio — specifications for V2 Viper i4G, Galaxy A21.
Specification	V2 Viper i4G	Galaxy A21
Radio	FM radio	FM radio
Others	DTS sound	Unknown

Other features

Other features — specifications for V2 Viper i4G, Galaxy A21.
Specification	V2 Viper i4G	Galaxy A21
Dop	Sensors Accelerometer proximity compass	Sensors Fingerprint (rear-mounted) accelerometer proximity compass - Fast charging 15W - Preliminary specifications

Allview V2 Viper i4G vs Samsung Galaxy A21