Allview E3 Sign vs ZTE V821

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

    V821: 41.9 g lighter

    E3 Sign:
    161.9 g
    V821:
    120 g
  • Width

    V821: 19.4 mm narrower

    E3 Sign:
    75.9 mm
    V821:
    56.5 mm
  • Chipset

    E3 Sign:
    Mediatek MT6582 (28 nm)
    V821:
    Mediatek MT6516
  • Depth

    E3 Sign: 2.5 mm thinner

    E3 Sign:
    9.3 mm
    V821:
    11.8 mm
  • Height

    V821: 36.5 mm shorter

    E3 Sign:
    152.5 mm
    V821:
    116 mm
  • Release year

    E3 Sign:
    2015
    V821:
    2011

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. E3 Sign

    Height:
    152.5 mm +36.5 mm versus V821
    Width:
    75.9 mm +19.4 mm versus V821
    Depth:
    9.3 mm
  2. 2. V821

    Height:
    116 mm
    Width:
    56.5 mm
    Depth:
    11.8 mm +2.5 mm versus E3 Sign

Weight

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

  1. 1. E3 Sign

    161.9 g

    +41.9 g versus V821

  2. 2. V821

    120 g

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. 1. E3 Sign

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. V821

    V821: Screen geometry unavailable or conflicting.

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 E3 Sign, V821, compared at the same storage capacity.
StorageE3 SignV821
16 GB 2 GB RAM Unknown
V821: Original memory entry

256 MB

Practical features

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

1. E3 Sign

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

2. V821

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

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. E3 Sign2. V821

Everyday essentials
Everyday essentials — specifications for E3 Sign, V821.
SpecificationE3 SignV821
Dimensions (HxWxD)
  • 152.5 Х 75.9 Х 9.3 mm
  • 116 Х 56.5 Х 11.8 mm
Weight
  • 161.9 g
  • 120 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5.5" inch
  • 0" inch
Screen resolution
  • 720 x 1280 px
  • 320 x 240 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 2 GB RAM
  • 256 MB
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2800 mAh
  • Removable Li-Po
  • 0 mAh,
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 2.2 (Froyo)
Chipset
  • Mediatek MT6582 (28 nm)
  • Mediatek MT6516
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for E3 Sign, V821.
SpecificationE3 SignV821
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • Super AMOLED
  • 65K
Screen area
  • 83.4 cm2
Unknown
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 72.0%
Unknown
PPI /points per inch/
  • 267 PPI
  • 0 PPI
Screen protection
  • Scratch-resistant glass
Unknown
Camera and Video
Camera and Video — specifications for E3 Sign, V821.
SpecificationE3 SignV821
Rear camera, main
  • 8 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 2 MP
  • AF
Functions
  • Dual-LED flash
  • HDR
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 2 MP
  • Single
  • 0 MP,
Specifications
  • 2 MP
Unknown
Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for E3 Sign, V821.
SpecificationE3 SignV821
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • 416 MHz
Graphics processor GPU
  • Mali-400MP2 Z525 -Mali-T720MP2 Z528
Unknown
Antutu 7 score *
  • 24156
Unknown
General specs
General specs — specifications for E3 Sign, V821.
SpecificationE3 SignV821
Release date
  • 2015
  • March
  • 2011
  • June
Colors
  • Black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 220 EUR
Battery life
  • Stand by time- Up to 280 h Talking time- Up to 10 h 20 min
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for E3 Sign, V821.
SpecificationE3 SignV821
SIM card
  • Single SIM (Micro-SIM)Dual SIM (Micro-SIM
  • dual stand-by)
  • Dual SIM (Mini-SIM)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE
Unknown
Speed
  • HSPA 21.1/11.5 Mbps
Unknown
GPRS
  • Class 12
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 2.1
  • A2DP
Harmful irradiation
  • SAR EU - 0.67 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for E3 Sign, V821.
SpecificationE3 SignV821
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for E3 Sign, V821.
SpecificationE3 SignV821
Dop
  • Sensors Fingerprint (rear-mounted)
  • Sensors Accelerometer
  • proximity - Also known as Liquid E3 E380 Available as Acer Liquid E3 Duo with dual-SIM card slots
  • Infrared port - Fast battery charging (Pump Express 2.0+) - For metroPCS
  • MP4/H.264 player -MP3/WAV/eAAC+ player -Organizer -Voice memo -Predictive text input