Allview Viper E vs Siemens SX66

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.

  • Weight

    Viper E: 87.5 g lighter

    Viper E:
    122.5 g
    SX66:
    210 g
  • Width

    Viper E: 6 mm narrower

    Viper E:
    65 mm
    SX66:
    71 mm
  • Screen diagonal

    SX66: 1 in smaller diagonal

    Viper E:
    4.5 in
    SX66:
    3.5 in
  • Depth

    Viper E: 10.2 mm thinner

    Viper E:
    7.8 mm
    SX66:
    18 mm
  • Height

    SX66: 6 mm shorter

    Viper E:
    131 mm
    SX66:
    125 mm
  • Release year

    Viper E:
    2014
    SX66:
    2004

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. 1. Viper E

    Height:
    131 mm +6 mm versus SX66
    Width:
    65 mm
    Depth:
    7.8 mm
  2. 2. SX66

    Height:
    125 mm
    Width:
    71 mm +6 mm versus Viper E
    Depth:
    18 mm +10.2 mm versus Viper E

Weight

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

  1. 1. Viper E

    122.5 g

  2. 2. SX66

    210 g

    +87.5 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.

  1. 1. Viper E

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    55.8 cm²
  2. 2. SX66

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    37.9 cm²

Viper E has approximately 47.2% more rectangular screen area than SX66.

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 Viper E, SX66, compared at the same storage capacity.
StorageViper ESX66
8 GB 1 GB RAM Unknown
SX66: Original memory entry

128 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. Viper E

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

2. SX66

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details SDIO/MMC

Battery capacity

Capacity is not battery life. No endurance test is implied.

At least two unambiguous positive capacity values are needed for a chart. Original entries remain in the specifications.

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. SX66

Everyday essentials
Everyday essentials — specifications for Viper E, SX66.
SpecificationViper ESX66
Dimensions (HxWxD)
  • 131 Х 65 Х 7.8 mm
  • 125 Х 71 Х 18 mm
Weight
  • 122.5 g
  • 210 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 4.5" inch
  • 3.5" inch
Screen resolution
  • 480 x 854 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
  • 128 MB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • SDIO/MMC
Battery Capacity is not battery life. No endurance test is implied.
  • 1800 mAh
  • Removable Li-Ion
  • 0 mAh,
Operating system OS
  • Android 5.0 (Lollipop)
  • Microsoft Windows Mobile 2003 SE PocketPC
Chipset
  • Mediatek MT6582 (28 nm)
Unknown
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for Viper E, SX66.
SpecificationViper ESX66
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • Super AMOLED
  • 65K
Screen area
  • 55.8 cm2
  • 37.9 cm2
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 127.3 Х 65.5 Х 10 mm
  • 42.7%
PPI /points per inch/
  • 218 PPI
  • 114 PPI
Screen protection
  • Asahi Dragontrail Glass
Unknown
Camera and Video
Camera and Video — specifications for Viper E, SX66.
SpecificationViper ESX66
Rear camera, main
  • 8 MP
  • Single
  • 0 MP,
Camera specs
  • 8 MP
  • AF
Unknown
Functions
  • Dual-LED flash
  • HDR
Unknown
Video
  • 1080p@30fps
Unknown
Front camera, selfie
  • 2 MP
  • Single
  • 0 MP,
Specifications
  • 2 MP
Unknown
Performance
Performance — specifications for Viper E, SX66.
SpecificationViper ESX66
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • Intel Xscale PXA272 520 MHz
Graphics processor GPU
  • Mali-400MP2 Z525 -Mali-T720MP2 Z528
Unknown
General specs
General specs — specifications for Viper E, SX66.
SpecificationViper ESX66
Release date
  • 2014
  • September
  • 2004
  • Q4
Colors
  • Black
  • White
  • Silver
Battery life
  • Stand by time- Up to 225 h Talking time- Up to 9 h 15 min
  • Stand by time- Up to 200 h Talking time- Up to 4 h
Communication and Connectivity
Communication and Connectivity — specifications for Viper E, SX66.
SpecificationViper ESX66
SIM card
  • Single SIM (Micro-SIM)Dual SIM (Micro-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE band 1(2100)
Unknown
Speed
  • HSPA 21.1/5.76 Mbps
Unknown
GPRS
  • Class 12
  • Class 10
Edge
  • Class 10
  • No
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11b
GPS
  • Yes
  • with A-GPS
  • No
USB
  • microUSB 2.0
  • Proprietary
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • Yes
Harmful irradiation
  • SAR EU - 0.84 W/kg (head) 1.24 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Viper E, SX66.
SpecificationViper ESX66
Radio
  • FM radio
  • No
Others
  • DTS sound -Yamaha amplifier
  • Downloadable logos
Other features
Other features — specifications for Viper E, SX66.
SpecificationViper ESX66
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Infrared port - Microsoft ActiveSync -MP3/AAC player -Predictive text input