Energizer Energy E401 vs Xiaomi Redmi Note 4

Compare recorded specifications, size and practical differences.

+ Add a third phone

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.

  • Screen diagonal

    Energy E401: 1.5 in smaller diagonal

    Energy E401:
    4 in
    Redmi Note 4:
    5.5 in
  • Chipset

    Energy E401:
    Mediatek MT6580M (28 nm)
    Redmi Note 4:
    Qualcomm MSM8953 Snapdragon 625 (14 nm)
  • Release year

    Energy E401:
    2019
    Redmi Note 4:
    2017

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 E401

    Height:
    Unknown
    Width:
    Unknown
    Depth:
    Unknown
    Weight:
    Unknown

    Unavailable dimensions are omitted from the drawing.

  2. 2. Redmi Note 4

    Height:
    151 mm
    Width:
    76 mm
    Depth:
    8.5 mm
    Weight:
    165 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 E401

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    44.1 cm²
  2. 2. Redmi Note 4

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

Redmi Note 4 has approximately 89.1% more rectangular screen area than Energy E401.

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 E401, Redmi Note 4, compared at the same storage capacity.
StorageEnergy E401Redmi Note 4
8 GB 1 GB RAM Unknown
Redmi Note 4: Original memory entry

64 GB · 4 GB RAM 32 GB · 3 GB RAM; 64 GB · 3 GB RAM (China only)

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 E401

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (uses SIM 2 slot)

2. Redmi Note 4

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 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 E401

    2000 mAh

  2. 2. Redmi Note 4

    4100 mAh

    +2100 mAh versus Energy E401

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 E4012. Redmi Note 4

Everyday essentials
Everyday essentials — specifications for Energy E401, Redmi Note 4.
SpecificationEnergy E401Redmi Note 4
Dimensions (HxWxD)
  • Х Х mm
  • 151 Х 76 Х 8.5 mm
Weight
  • 0 g
  • 165 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 4" inch
  • 5.5" inch
Screen resolution
  • 480 x 854 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
  • 64 GB
  • 4 GB RAM 32 GB
  • 3 GB RAM; 64 GB
  • 3 GB RAM (China only)
Memory card support
  • microSD
  • up to 32 GB (uses SIM 2 slot)
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Li-Ion
  • 4100 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 8.0 Oreo (Go edition)
  • Android 6.0 (Marshmallow)
  • upgradable to 7.0 (Nougat); MIUI 10
Chipset
  • Mediatek MT6580M (28 nm)
  • Qualcomm MSM8953 Snapdragon 625 (14 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Energy E401, Redmi Note 4.
SpecificationEnergy E401Redmi Note 4
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 44.1 cm2
  • 83.4 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio Unknown
  • 72.7%
PPI /points per inch/
  • 245 PPI
  • 401 PPI
Camera and Video
Camera and Video — specifications for Energy E401, Redmi Note 4.
SpecificationEnergy E401Redmi Note 4
Rear camera, main
  • 5 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 5 MP
  • 13 MP
  • f/2.0
  • 1.12µm
  • PDAF
Functions
  • LED flash
  • Dual-LED dual-tone flash
  • panorama
  • HDR
Video
  • 720p@30fps
  • 1080p@30fps
Front camera, selfie
  • 2 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 2 MP
  • 5 MP
  • f/2.0
Performance

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

Performance — specifications for Energy E401, Redmi Note 4.
SpecificationEnergy E401Redmi Note 4
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • Octa-core 2.0 GHz Cortex-A53
Graphics processor GPU
  • Mali-400MP2
  • Adreno 506
Antutu 7 score * Unknown
  • 76000
GeekBench 4 Single Core * Unknown
  • 1475
GeekBench 4 Multi-Core * Unknown
  • 4010
GeekBench 4 RenderScript * Unknown
  • 3151
Antutu 8 score * Unknown
  • 102376
GeekBench 5 Single Core * Unknown
  • 171
GeekBench 5 Multi-Core * Unknown
  • 917
General specs
General specs — specifications for Energy E401, Redmi Note 4.
SpecificationEnergy E401Redmi Note 4
Release date
  • 2019
  • February
  • 2017
  • January
Colors
  • Black
  • Dark Gray
  • Gold
  • Black
  • Lake Blue (64/4GB model)
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 150 EUR
Body build Unknown
  • Front glass
  • aluminum body
Communication and Connectivity
Communication and Connectivity — specifications for Energy E401, Redmi Note 4.
SpecificationEnergy E401Redmi Note 4
SIM card
  • Dual SIM (Micro-SIM
  • dual stand-by)
  • Hybrid Dual SIM (Micro-SIM/Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 38(2600)
  • 40(2300)
Speed
  • HSPA 42.2/11.5 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 a/b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 4.0
  • A2DP
  • LE
  • 4.1
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Energy E401, Redmi Note 4.
SpecificationEnergy E401Redmi Note 4
Radio
  • FM radio
  • FM radio
Others Unknown
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for Energy E401, Redmi Note 4.
SpecificationEnergy E401Redmi Note 4
Dop
  • Sensors Accelerometer
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - For Global market. Also known as Xiaomi Redmi Note 4x Global.