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Allview Viper E vs TECNO Spark CM

Compare recorded specifications, size and practical differences.

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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: 49.5 g lighterViper E: 122.5 g · Spark CM: 172 g
  • WidthViper E: 6.7 mm narrowerViper E: 65 mm · Spark CM: 71.7 mm
  • Screen diagonalViper E: 1.2 in smaller diagonalViper E: 4.5 in · Spark CM: 5.7 in
  • ChipsetMediatek MT6582 (28 nm) / Mediatek MT6737Viper E: Mediatek MT6582 (28 nm) · Spark CM: Mediatek MT6737
  • DepthSpark CM: 2.2 mm thinnerSpark CM: 5.6 mm · Viper E: 7.8 mm
  • HeightViper E: 21.2 mm shorterViper E: 131 mm · Spark CM: 152.2 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 Spark CM: 152.2 × 71.7 mm 2
Side
Viper E: 131 × 7.8 mm 1 Spark CM: 152.2 × 5.6 mm 2
  1. 1. Viper E
    Height
    131 mm
    Width
    65 mm
    Depth
    7.8 mm
    Weight
    122.5 g
  2. 2. Spark CM
    Height
    152.2 mm
    Width
    71.7 mm
    Depth
    5.6 mm
    Weight
    172 g

Specifications

Open a section for more detail. Scroll inside a table to keep phone names visible; on narrow screens, swipe sideways or use the arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

Everyday essentials
Everyday essentials
SpecificationViper ESpark CM
Dimensions (HxWxD)
  • 131 Х 65 Х 7.8 mm
  • 152.2 Х 71.7 Х 5.6 mm
Weight
  • 122.5 g
  • 172 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 4.5" inch
  • 5.7" 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
  • 16 GB
  • 2 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB
BatteryCapacity is not battery life. No endurance test is implied.
  • 1800 mAh
  • Removable Li-Ion
  • 3050 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 5.0 (Lollipop)
  • Android 7.0 (Nougat)
Chipset
  • Mediatek MT6582 (28 nm)
  • Mediatek MT6737
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display
SpecificationViper ESpark CM
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • Super AMOLED
  • 16M
Screen area
  • 55.8 cm2
  • 83.8 cm2
Screen format
  • 16:9 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 127.3 Х 65.5 Х 10 mm
  • 76.8%
PPI /points per inch/
  • 218 PPI
  • 282 PPI
Screen protection
  • Asahi Dragontrail Glass
  • Corning Gorilla Glass (unspecified version)
Camera and Video
Camera and Video
SpecificationViper ESpark CM
Rear camera, main
  • 8 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 13 MP
  • f/2.0
  • AF
Functions
  • Dual-LED flash
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 2 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 2 MP
  • 8 MP
Performance
Performance
SpecificationViper ESpark CM
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • Quad-core 1.3 GHz Cortex-A53
Graphics processor GPU
  • Mali-400MP2 Z525 -Mali-T720MP2 Z528
  • Mali-T720MP2
General specs
General specs
SpecificationViper ESpark CM
Release date
  • 2014
  • September
  • 2017
  • December
Colors
  • Black
  • White
  • Midnight Black
  • Champagne Gold
Battery life
  • Stand by time- Up to 225 h Talking time- Up to 9 h 15 min
Unknown
Communication and Connectivity
Communication and Connectivity
SpecificationViper ESpark CM
SIM card
  • Single SIM (Micro-SIM)Dual SIM (Micro-SIM
  • dual stand-by)
  • Dual SIM (Micro-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 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 8(900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA
  • LTE-A
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
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 ESpark CM
Radio
  • FM radio
  • FM radio
Others
  • DTS sound -Yamaha amplifier
Unknown
Other features
Other features
SpecificationViper ESpark CM
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity