Allview Viper E vs Xiaomi Mi A1

Compare recorded specifications, size and practical differences.

Allview Viper E

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Xiaomi Mi A1

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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.

WeightViper E: 42.5 g lighterViper E: 122.5 g · Mi A1: 165 g
WidthViper E: 10.8 mm narrowerViper E: 65 mm · Mi A1: 75.8 mm
Screen diagonalViper E: 1 in smaller diagonalViper E: 4.5 in · Mi A1: 5.5 in
ChipsetMediatek MT6582 (28 nm) / Qualcomm MSM8953 Snapdragon 625 (14 nm)Viper E: Mediatek MT6582 (28 nm) · Mi A1: Qualcomm MSM8953 Snapdragon 625 (14 nm)
Rear camera layoutSingle / DualViper E: Single · Mi A1: Dual
DepthMi A1: 0.5 mm thinnerMi A1: 7.3 mm · Viper E: 7.8 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.

Front

Side

1. Viper E
Height
131 mm
Width
65 mm
Depth
7.8 mm+0.5 mm versus Mi A1

Weight
122.5 g
2. Mi A1
Height
155.4 mm+24.4 mm versus Viper E
Width
75.8 mm+10.8 mm versus Viper E
Depth
7.3 mm

Weight
165 g

Weight

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

1. Viper E122.5 g
2. Mi A1165 g

+42.5 g versus Viper E

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

1. Viper E 4.5 in · 16:9 About 55.8 cm² rectangular area
2. Mi A1 5.5 in · 16:9 About 83.4 cm² rectangular area

Mi A1 has approximately 49.4% more rectangular screen area than Viper E.

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 by storage capacity and phone
Storage	Viper E	Mi A1
8 GB	1 GB RAM	Unknown

Mi A1: Original memory entry

64 GB · 512GB 4GB

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. Viper E

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

2. Mi A1

NFC: Unknown
Headphone jack: Yes
Memory card support: See details microSD · up to 128 GB (uses SIM 2 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. Viper E1800 mAh
2. Mi A13080 mAh

+1280 mAh versus Viper E

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. Viper E2. Mi A1

Everyday essentials

Everyday essentials
Specification	Viper E	Mi A1
Dimensions (HxWxD)	131 Х 65 Х 7.8 mm	155.4 Х 75.8 Х 7.3 mm
Weight	122.5 g	165 g
Technology	IPS LCD	LTPS IPS LCD
Screen size	4.5" inch	5.5" inch
Screen resolution	480 x 854 px	1080 x 1920 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	8 GB 1 GB RAM	64 GB 512GB 4GB
Memory card support	microSD up to 32 GB (dedicated slot)	microSD up to 128 GB (uses SIM 2 slot)
BatteryCapacity is not battery life. No endurance test is implied.	1800 mAh Removable Li-Ion	3080 mAh Non-removable Li-Po
Operating system OS	Android 5.0 (Lollipop)	Android 7.1.2 (Nougat) upgradable to Android 9.0 (Pie); Android One
Chipset	Mediatek MT6582 (28 nm)	Qualcomm MSM8953 Snapdragon 625 (14 nm)
NFC	Super AMOLED	Unknown
Headphone jack	Yes	Yes

Display

Display
Specification	Viper E	Mi A1
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	Super AMOLED	16M
Screen area	55.8 cm2	82.6 cm2
Screen format	16:9 (height:width)	16:9 (height:width)
Screen to body ratio	127.3 Х 65.5 Х 10 mm	70.1%
PPI /points per inch/	218 PPI	403 PPI
Screen protection	Asahi Dragontrail Glass	Corning Gorilla Glass 3

Camera and Video

Camera and Video
Specification	Viper E	Mi A1
Rear camera, main	8 MP Single	12 MP Dual
Camera specs	8 MP AF	12 MP f/2.2 26mm (wide) 1.25µm PDAF -12 MP f/2.6 50mm (telephoto) 1.0µm AF 2x optical zoom
Functions	Dual-LED flash HDR	Dual-LED dual-tone flash HDR panorama
Video	1080p@30fps	1080p@30fps
Front camera, selfie	2 MP Single	5 MP Single
Specifications	2 MP	5 MP

Performance

Performance
Specification	Viper E	Mi A1
Processor CPU	Quad-core 1.3 GHz Cortex-A7	Octa-core 2.0 GHz Cortex-A53
Graphics processor GPU	Mali-400MP2 Z525 -Mali-T720MP2 Z528	Adreno 506
Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	Unknown	78560
GeekBench 4 Single CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	Unknown	859
GeekBench 4 Multi-CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	Unknown	4171
Antutu 8 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	Unknown	96807
GeekBench 4 BatteryLegacy recorded score. Test conditions are unspecified; no new testing is implied.	Unknown	3415
GeekBench 5 Single CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	Unknown	169
GeekBench 5 Multi-CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	Unknown	1000

General specs

General specs
Specification	Viper E	Mi A1
Release date	2014 September	2017 September
Colors	Black White	Black Gold Rose Gold Red
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.	Unknown	170 EUR
Battery life	Stand by time- Up to 225 h Talking time- Up to 9 h 15 min	Unknown
Body build	Unknown	Front glass aluminum frame back

Communication and Connectivity

Communication and Connectivity
Specification	Viper E	Mi A1
SIM card	Single SIM (Micro-SIM)Dual SIM (Micro-SIM dual stand-by)	Hybrid Dual SIM (Nano-SIM dual stand-by)
Network	Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE band 1(2100)	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100) 3(1800) 5(850) 7(2600) 8(900) 20(800) 38(2600) 40(2300)
Speed	HSPA 21.1/5.76 Mbps	HSPA 42.2/5.76 Mbps LTE-A (2CA) Cat6 300/50 Mbps
GPRS	Class 12	Yes
Edge	Class 10	Yes
Wi-Fi	Wi-Fi 802.11 b/g/n	Wi-Fi 802.11 a/b/g/n/ac dual-band WiFi Direct hotspot
GPS	Yes with A-GPS	Yes with A-GPS GLONASS BDS
USB	microUSB 2.0	2.0 Type-C 1.0 reversible connector
Bluetooth	4.0 A2DP EDR	4.2 A2DP LE
Harmful irradiation	SAR EU - 0.84 W/kg (head) 1.24 W/kg (body)	Unknown

Music and Audio

Music and Audio
Specification	Viper E	Mi A1
Radio	FM radio	FM radio
Others	DTS sound -Yamaha amplifier	Active noise cancellation with dedicated mic

Other features

Other features
Specification	Viper E	Mi A1
Dop	Sensors Accelerometer proximity compass	Sensors Fingerprint (rear-mounted) accelerometer gyro proximity Infrared port - Charging 5V/2A 10W - For Europe Asia Pacific Middle East & Africa LATAM. Also known as Xiaomi Mi 5X in China.

Allview Viper E vs Xiaomi Mi A1

Allview Viper E

Xiaomi Mi A1

Key differences

Physical size

Screen size

Memory variants

Practical features

1. Viper E

2. Mi A1

Battery capacity

Specifications

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