Allview P9 Energy vs Spice Mi-451 3G

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

    Mi-451 3G: 27 g lighter

    P9 Energy:
    183 g
    Mi-451 3G:
    156 g
  • Width

    Mi-451 3G: 5.8 mm narrower

    P9 Energy:
    75.3 mm
    Mi-451 3G:
    69.5 mm
  • Depth

    P9 Energy: 0.5 mm thinner

    P9 Energy:
    8.2 mm
    Mi-451 3G:
    8.7 mm
  • Height

    Mi-451 3G: 17.8 mm shorter

    P9 Energy:
    152.3 mm
    Mi-451 3G:
    134.5 mm
  • Release year

    P9 Energy:
    2016
    Mi-451 3G:
    2014

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. P9 Energy

    Height:
    152.3 mm +17.8 mm versus Mi-451 3G
    Width:
    75.3 mm +5.8 mm versus Mi-451 3G
    Depth:
    8.2 mm
  2. 2. Mi-451 3G

    Height:
    134.5 mm
    Width:
    69.5 mm
    Depth:
    8.7 mm +0.5 mm versus P9 Energy

Weight

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

  1. 1. P9 Energy

    183 g

    +27 g versus Mi-451 3G

  2. 2. Mi-451 3G

    156 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. P9 Energy

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. Mi-451 3G

    Mi-451 3G: 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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

P9 Energy: Original memory entry

up to 64 GB (dedicated slot) · 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. P9 Energy

NFC:
See details Super AMOLED
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 GB (uses shared SIM slot)

2. Mi-451 3G

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

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. P9 Energy

    5000 mAh

    +3550 mAh versus Mi-451 3G

  2. 2. Mi-451 3G

    1450 mAh

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. P9 Energy2. Mi-451 3G

Everyday essentials
Everyday essentials — specifications for P9 Energy, Mi-451 3G.
SpecificationP9 EnergyMi-451 3G
Dimensions (HxWxD)
  • 152.3 Х 75.3 Х 8.2 mm
  • 134.5 Х 69.5 Х 8.7 mm
Weight
  • 183 g
  • 156 g
Technology
  • Super AMOLED
Unknown
Screen size
  • 5.5" inch
  • 0" inch
Screen resolution
  • 1080 x 1920 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • up to 64 GB (dedicated slot)
  • 512GB 4GB
Unknown
Memory card support
  • microSD
  • up to 128 GB (uses shared SIM slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 5000 mAh
  • Non-removable Li-Po
  • 1450 mAh
  • Li-Ion
Operating system OS
  • Android 6.0 (Marshmallow)
  • Android 4.4 (KitKat)
Chipset
  • Mediatek MT6755 Helio P10 (28 nm)
Unknown
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for P9 Energy, Mi-451 3G.
SpecificationP9 EnergyMi-451 3G
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 83.4 cm2
Unknown
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 72.7%
Unknown
PPI /points per inch/
  • 401 PPI
  • 0 PPI
Screen protection
  • Scratch-resistant glass
Unknown
Camera and Video
Camera and Video — specifications for P9 Energy, Mi-451 3G.
SpecificationP9 EnergyMi-451 3G
Rear camera, main
  • 13 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 13 MP
  • PDAF & laser AF
  • 3.15 MP
Functions
  • Dual-LED flash
  • HDR
  • panorama
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 8 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • 8 MP
  • 1.3 MP
Performance

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

Performance — specifications for P9 Energy, Mi-451 3G.
SpecificationP9 EnergyMi-451 3G
Processor CPU
  • Octa-core (4x2.0 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
Unknown
Graphics processor GPU
  • Mali-T860MP2
Unknown
Antutu 7 score *
  • 53621
Unknown
General specs
General specs — specifications for P9 Energy, Mi-451 3G.
SpecificationP9 EnergyMi-451 3G
Release date
  • 2016
  • September
  • 2014
Colors
  • Gold
  • Mocha Gold
  • White
  • Gray
Battery life
  • Stand by time- Up to 555 h Talking time- Up to 27 h
  • Stand by time- Up to 60 h Talking time- Up to 5 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for P9 Energy, Mi-451 3G.
SpecificationP9 EnergyMi-451 3G
SIM card
  • Single SIM (Micro-SIM)Dual SIM (Micro-SIM
  • dual stand-by)
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 850 / 900 / 1900 / 2100-4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 20(800)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) - 5007U
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Speed
  • HSPA 21.1/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
  • HSPA
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g/n
GPS
  • Yes
  • with A-GPS
  • A-GPS only
USB
  • microUSB 2.0
  • microUSB
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 2.0
Harmful irradiation
  • SAR EU - 1.40 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for P9 Energy, Mi-451 3G.
SpecificationP9 EnergyMi-451 3G
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for P9 Energy, Mi-451 3G.
SpecificationP9 EnergyMi-451 3G
Dop
  • Sensors Fingerprint (front-mounted)
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Acer Liquid Zest Z525 with 3G Acer Liquid Zest 4G Z528 with 3G/LTE
  • Infrared port - Fast battery charging -Power Bank/Reverse charging
  • Sensors Accelerometer Also known as Spice Stellar 451 3G