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Allview Viper E vs Xiaomi Redmi S2

Compare recorded specifications, size and practical differences.

+ 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.

  • WeightViper E: 47.5 g lighterViper E: 122.5 g · Redmi S2: 170 g
  • WidthViper E: 12.3 mm narrowerViper E: 65 mm · Redmi S2: 77.3 mm
  • Screen diagonalViper E: 1.49 in smaller diagonalViper E: 4.5 in · Redmi S2: 5.99 in
  • ChipsetMediatek MT6582 (28 nm) / Qualcomm MSM8953 Snapdragon 625 (14 nm)Viper E: Mediatek MT6582 (28 nm) · Redmi S2: Qualcomm MSM8953 Snapdragon 625 (14 nm)
  • Rear camera layoutSingle / DualViper E: Single · Redmi S2: Dual
  • HeightViper E: 29.7 mm shorterViper E: 131 mm · Redmi S2: 160.7 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
Viper E: 131 × 65 mm 1 Redmi S2: 160.7 × 77.3 mm 2
Side
Viper E: 131 × 7.8 mm 1 Redmi S2: 160.7 × 8.1 mm 2
  1. 1. Viper E
    Height
    131 mm
    Width
    65 mm
    Depth
    7.8 mm
    Weight
    122.5 g
  2. 2. Redmi S2
    Height
    160.7 mm+29.7 mm versus Viper E
    Width
    77.3 mm+12.3 mm versus Viper E
    Depth
    8.1 mm
    Weight
    170 g
Weight

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

  1. 1. Viper E122.5 g
  2. 2. Redmi S2170 g

    +47.5 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
Viper E: 4.5 in, 16:9, About 55.8 cm² rectangular area 1 Redmi S2: 5.99 in, 18:9, About 92.6 cm² rectangular area 2
  1. 1. Viper E 4.5 in · 16:9 About 55.8 cm² rectangular area
  2. 2. Redmi S2 5.99 in · 18:9 About 92.6 cm² rectangular area

Redmi S2 has approximately 65.9% 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
StorageViper ERedmi S2
8 GB 1 GB RAM Unknown
Redmi S2: Original memory entry

64 GB · 4 GB RAM 32 GB · 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. Viper E

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

2. Redmi S2

NFC
Unknown
Headphone jack
Yes
Memory card support
See details microSD · up to 256 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. Viper E1800 mAh
  2. 2. Redmi S23080 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. Redmi S2

Everyday essentials
Everyday essentials
SpecificationViper ERedmi S2
Dimensions (HxWxD)
  • 131 Х 65 Х 7.8 mm
  • 160.7 Х 77.3 Х 8.1 mm
Weight
  • 122.5 g
  • 170 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 4.5" inch
  • 5.99" inch
Screen resolution
  • 480 x 854 px
  • 720 x 1440 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
  • 4 GB RAM 32 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 256 GB (dedicated 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 8.1 (Oreo); MIUI 10
Chipset
  • Mediatek MT6582 (28 nm)
  • Qualcomm MSM8953 Snapdragon 625 (14 nm)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display
SpecificationViper ERedmi S2
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • Super AMOLED
  • 16M
Screen area
  • 55.8 cm2
  • 92.6 cm2
Screen format
  • 16:9 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 127.3 Х 65.5 Х 10 mm
  • 74.5%
PPI /points per inch/
  • 218 PPI
  • 269 PPI
Screen protection
  • Asahi Dragontrail Glass
Unknown
Camera and Video
Camera and Video
SpecificationViper ERedmi S2
Rear camera, main
  • 8 MP
  • Single
  • 12 MP
  • Dual
Camera specs
  • 8 MP
  • AF
  • 12 MP
  • f/2.2
  • 1.25µm
  • PDAF -5 MP
  • depth sensor
Functions
  • Dual-LED flash
  • HDR
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • 1080p@30fps (gyro-EIS)
Front camera, selfie
  • 2 MP
  • Single
  • 16 MP
  • Single
Specifications
  • 2 MP
  • 16 MP
Performance
Performance
SpecificationViper ERedmi S2
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
  • 78926
GeekBench 4 Single CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 835
GeekBench 4 Multi-CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 4087
GeekBench 5 Single CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 168
GeekBench 5 Multi-CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 985
General specs
General specs
SpecificationViper ERedmi S2
Release date
  • 2014
  • September
  • 2018
  • May
Colors
  • Black
  • White
  • Gray
  • Gold
  • Rose Gold
  • Mesmerising Blue
  • Stunning Black
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer. Unknown
  • 150 EUR
Battery life
  • Stand by time- Up to 225 h Talking time- Up to 9 h 15 min
Unknown
Body build Unknown
  • Front glass
  • plastic body
Communication and Connectivity
Communication and Connectivity
SpecificationViper ERedmi S2
SIM card
  • Single SIM (Micro-SIM)Dual SIM (Micro-SIM
  • dual stand-by)
  • 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 CDMA 800 & TD-SCDMA - China -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 38(2600)
  • 40(2300) - Global LTE band 1(2100)
  • 40(2300)
  • 41(2500) - India LTE band 1(2100)
  • 34(2000)
  • 39(1900)
  • 41(2500) - China
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 b/g/n
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • microUSB 2.0
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
SpecificationViper ERedmi S2
Radio
  • FM radio
  • FM radio
Others
  • DTS sound -Yamaha amplifier
  • Active noise cancellation with dedicated mic
Other features
Other features
SpecificationViper ERedmi S2
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Charging 5V/2A 10W - Also known as Xiaomi Redmi Y2 in India