Allview E4 vs Oppo F7 Youth

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

    E4: 25 g lighter

    E4:
    130 g
    F7 Youth:
    155 g
  • Width

    E4: 5 mm narrower

    E4:
    70.2 mm
    F7 Youth:
    75.2 mm
  • Screen diagonal

    E4: 0.5 in smaller diagonal

    E4:
    5.5 in
    F7 Youth:
    6 in
  • Chipset

    E4:
    Mediatek MT6753 (28 nm)
    F7 Youth:
    Mediatek MT6771 Helio P60 (12 nm)
  • Depth

    F7 Youth: 0.8 mm thinner

    E4:
    8.6 mm
    F7 Youth:
    7.8 mm
  • Height

    E4: 15.8 mm shorter

    E4:
    140.7 mm
    F7 Youth:
    156.5 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.

  1. 1. E4

    Height:
    140.7 mm
    Width:
    70.2 mm
    Depth:
    8.6 mm +0.8 mm versus F7 Youth
  2. 2. F7 Youth

    Height:
    156.5 mm +15.8 mm versus E4
    Width:
    75.2 mm +5 mm versus E4
    Depth:
    7.8 mm

Weight

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

  1. 1. E4

    130 g

  2. 2. F7 Youth

    155 g

    +25 g versus E4

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. E4

    E4: Screen geometry unavailable or conflicting.

  2. 2. F7 Youth

    Screen diagonal:
    6 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    92.9 cm²

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 E4, F7 Youth, compared at the same storage capacity.
StorageE4F7 Youth
16 GB 2 GB RAM Unknown
F7 Youth: 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. E4

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

2. F7 Youth

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 battery capacity

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

  1. 1. E4

    2100 mAh

  2. 2. F7 Youth

    3410 mAh

    +1310 mAh versus E4

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. E42. F7 Youth

Everyday essentials
Everyday essentials — specifications for E4, F7 Youth.
SpecificationE4F7 Youth
Dimensions (HxWxD)
  • 140.7 Х 70.2 Х 8.6 mm
  • 156.5 Х 75.2 Х 7.8 mm
Weight
  • 130 g
  • 155 g
Technology
  • IPS LCD
  • LTPS IPS LCD
Screen size
  • 5.5" inch
  • 6" inch
Screen resolution
  • 720 x 1280 px
  • 1080 x 2160 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 2 GB RAM
  • 64 GB
  • 512GB 4GB
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2100 mAh
  • Removable Li-Po
  • 3410 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 5.1 (Lollipop)
  • Android 8.1 (Oreo); ColorOS 5.2
Chipset
  • Mediatek MT6753 (28 nm)
  • Mediatek MT6771 Helio P60 (12 nm)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for E4, F7 Youth.
SpecificationE4F7 Youth
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • Super AMOLED
  • 16M
Screen area
  • 68.9 cm2
  • 92.9 cm2
Screen format
  • 16:9 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 143.5 Х 69.8 Х 8 mm
  • 78.9%
PPI /points per inch/
  • 294 PPI
  • 402 PPI
Camera and Video
Camera and Video — specifications for E4, F7 Youth.
SpecificationE4F7 Youth
Rear camera, main
  • 13 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 13 MP
  • AF
  • 13 MP
  • f/2.2
  • PDAF
Functions
  • Dual-LED flash
  • LED flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 5 MP
  • 8 MP
  • f/2.2
Performance

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

Performance — specifications for E4, F7 Youth.
SpecificationE4F7 Youth
Processor CPU
  • Octa-core 1.3 GHz Cortex-A53
  • Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
Graphics processor GPU
  • Mali-T720MP3
  • Mali-G72 MP3
Antutu 7 score *
  • 23156
Unknown
General specs
General specs — specifications for E4, F7 Youth.
SpecificationE4F7 Youth
Release date
  • 2015
  • September
  • 2018
  • May
Colors
  • Black
  • White
  • Solar Red
  • Diamond black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 240 EUR
  • 250 EUR
Battery life
  • Stand by time- Up to 210 h Talking time- Up to 9 h 30 min
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for E4, F7 Youth.
SpecificationE4F7 Youth
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 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE band 2(1900)
  • 3(1800)
  • 20(800)
  • 38(2600)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 - Taiwan HSDPA 850 / 900 / 2100 - Asia Pacific -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 18(800)
  • 19(800)
  • 20(800)
  • 26(850)
  • 28(700)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) - Taiwan LTE band 1(2100)
  • 41(2500) - Asia Pacific
Speed
  • HSPA 21.1/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat13 600/100 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
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 4.2
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 1.23 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for E4, F7 Youth.
SpecificationE4F7 Youth
Radio
  • FM radio
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for E4, F7 Youth.
SpecificationE4F7 Youth
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Accelerometer
  • proximity
  • compass