Energizer Energy 400 LTE vs Xiaomi Redmi Note 8

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

    Redmi Note 8: 14 g lighter

    Energy 400 LTE:
    204 g
    Redmi Note 8:
    190 g
  • Width

    Energy 400 LTE: 3.3 mm narrower

    Energy 400 LTE:
    72 mm
    Redmi Note 8:
    75.3 mm
  • Screen diagonal

    Energy 400 LTE: 2.3 in smaller diagonal

    Energy 400 LTE:
    4 in
    Redmi Note 8:
    6.3 in
  • Chipset

    Energy 400 LTE:
    Mediatek MT6737M (28 nm)
    Redmi Note 8:
    Qualcomm SDM665 Snapdragon 665 (11 nm)
  • Rear camera layout

    Energy 400 LTE:
    Single
    Redmi Note 8:
    Quad
  • Depth

    Redmi Note 8: 6.6 mm thinner

    Energy 400 LTE:
    15 mm
    Redmi Note 8:
    8.4 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. Energy 400 LTE

    Height:
    134 mm
    Width:
    72 mm
    Depth:
    15 mm +6.6 mm versus Redmi Note 8
  2. 2. Redmi Note 8

    Height:
    158.3 mm +24.3 mm versus Energy 400 LTE
    Width:
    75.3 mm +3.3 mm versus Energy 400 LTE
    Depth:
    8.4 mm

Weight

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

  1. 1. Energy 400 LTE

    204 g

    +14 g versus Redmi Note 8

  2. 2. Redmi Note 8

    190 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.

  1. 1. Energy 400 LTE

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. Redmi Note 8

    Screen diagonal:
    6.3 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    97.4 cm²

Redmi Note 8 has approximately 113.9% more rectangular screen area than Energy 400 LTE.

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 Energy 400 LTE, Redmi Note 8, compared at the same storage capacity.
StorageEnergy 400 LTERedmi Note 8
8 GB 1 GB RAM Not recorded
32 GB Not recorded 3 GB RAM
64 GB Not recorded 4 / 6 GB RAM Alternative RAM configurations
128 GB Not recorded 4 / 6 GB RAM Alternative RAM configurations

Practical features

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

1. Energy 400 LTE

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 GB (uses SIM 2 slot)

2. Redmi Note 8

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. Energy 400 LTE

    2500 mAh

  2. 2. Redmi Note 8

    4000 mAh

    +1500 mAh versus Energy 400 LTE

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. Energy 400 LTE2. Redmi Note 8

Everyday essentials
Everyday essentials — specifications for Energy 400 LTE, Redmi Note 8.
SpecificationEnergy 400 LTERedmi Note 8
Dimensions (HxWxD)
  • 134 Х 72 Х 15 mm
  • 158.3 Х 75.3 Х 8.4 mm
Weight
  • 204 g
  • 190 g
Technology
  • TN TFT
  • IPS LCD
Screen size
  • 4" inch
  • 6.3" inch
Screen resolution
  • 480 x 800 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
  • 32GB 3GB RAM
  • 64GB 4GB RAM
  • 64GB 6GB RAM
  • 128GB 4GB RAM
  • 128GB 6GB RAM
Memory card support
  • microSD
  • up to 64 GB (uses SIM 2 slot)
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2500 mAh
  • Li-Ion
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 6.0 (Marshmallow)
  • Android 9.0 (Pie); MIUI 10
Chipset
  • Mediatek MT6737M (28 nm)
  • Qualcomm SDM665 Snapdragon 665 (11 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Energy 400 LTE, Redmi Note 8.
SpecificationEnergy 400 LTERedmi Note 8
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 45.5 cm2
  • 97.4 cm2
Screen format
  • 5:3 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 47.2%
  • 81.7%
PPI /points per inch/
  • 233 PPI
  • 409 PPI
Screen protection
  • Asahi Dragontrail Glass
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for Energy 400 LTE, Redmi Note 8.
SpecificationEnergy 400 LTERedmi Note 8
Rear camera, main
  • 8 MP
  • Single
  • 48 MP
  • Quad
Camera specs
  • 8 MP
  • AF
  • 48 MP
  • f/1.8
  • 26mm (wide)
  • 1/2"
  • 0.8µm
  • PDAF -8 MP
  • f/2.2
  • 13mm (ultrawide)
  • 1/4"
  • 1.12µm -2 MP
  • f/2.4
  • 1/5"
  • 1.75µm (dedicated macro camera) -2 MP
  • 1.75µm
  • depth sensor
Functions
  • LED flash
  • HDR
  • HDR
  • panorama
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 13 MP
  • Single
Specifications
  • 1.3 MP
  • 13 MP
  • f/2.0
  • 1.12µm
Performance

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

Performance — specifications for Energy 400 LTE, Redmi Note 8.
SpecificationEnergy 400 LTERedmi Note 8
Processor CPU
  • Quad-core 1.3 GHz Cortex-A53
  • Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
Graphics processor GPU
  • Mali-T720MP2
  • Adreno 610
Antutu 7 score * Unknown
  • 143740
GeekBench 4 Single Core * Unknown
  • 1499
GeekBench 4 Multi-Core * Unknown
  • 5543
Antutu 8 score * Unknown
  • 173592
GeekBench 5 Single Core * Unknown
  • 309
GeekBench 5 Multi-Core * Unknown
  • 1328
General specs
General specs — specifications for Energy 400 LTE, Redmi Note 8.
SpecificationEnergy 400 LTERedmi Note 8
Release date
  • 2017
  • Q3
  • 2019
  • August
Colors
  • Black
  • Neptune Blue
  • Moonlight White
  • Space Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 180 EUR
  • 190 EUR
Battery life
  • Stand by time- Up to 420 h (3G) Talking time- Up to 16 h (3G)
Unknown
Body build Unknown
  • Front/back glass (Gorilla Glass 5)
Communication and Connectivity
Communication and Connectivity — specifications for Energy 400 LTE, Redmi Note 8.
SpecificationEnergy 400 LTERedmi Note 8
SIM card
  • Hybrid 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 3(1800)
  • 7(2600)
  • 20(800)
  • 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)
  • 5(850)
  • 8(900)
  • 38(2600)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA
  • LTE
  • HSPA 42.2/11.5 Mbps
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 4.0
  • A2DP
  • LE
  • 4.2
  • A2DP
  • LE
Harmful irradiation
  • SAR - 0.64 W/kg (head) 1.52 W/kg (body)
  • SAR - 0.26 W/kg (head) 1.00 W/kg (body) SAR EU - 0.26 W/kg (head) 1.00 W/kg (body)
Music and Audio
Music and Audio — specifications for Energy 400 LTE, Redmi Note 8.
SpecificationEnergy 400 LTERedmi Note 8
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Energy 400 LTE, Redmi Note 8.
SpecificationEnergy 400 LTERedmi Note 8
Dop
  • Sensors Accelerometer IP67 dust/water resistant (up to 1m for 30 mins)
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast battery charging 18W