Amoi E78 vs Xiaomi Redmi 4a

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 4a: 18.5 g lighter

    E78:
    150 g
    Redmi 4a:
    131.5 g
  • Width

    E78: 9.4 mm narrower

    E78:
    61 mm
    Redmi 4a:
    70.4 mm
  • Screen diagonal

    E78: 2.54 in smaller diagonal

    E78:
    2.46 in
    Redmi 4a:
    5 in
  • Depth

    Redmi 4a: 4.2 mm thinner

    E78:
    12.7 mm
    Redmi 4a:
    8.5 mm
  • Height

    E78: 24.9 mm shorter

    E78:
    115 mm
    Redmi 4a:
    139.9 mm
  • Release year

    E78:
    2007
    Redmi 4a:
    2016

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. E78

    Height:
    115 mm
    Width:
    61 mm
    Depth:
    12.7 mm +4.2 mm versus Redmi 4a
  2. 2. Redmi 4a

    Height:
    139.9 mm +24.9 mm versus E78
    Width:
    70.4 mm +9.4 mm versus E78
    Depth:
    8.5 mm

Weight

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

  1. 1. E78

    150 g

    +18.5 g versus Redmi 4a

  2. 2. Redmi 4a

    131.5 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. E78

    Screen diagonal:
    2.46 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    18.7 cm²
  2. 2. Redmi 4a

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

Redmi 4a has approximately 267.8% more rectangular screen area than E78.

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 E78, Redmi 4a, compared at the same storage capacity.
StorageE78Redmi 4a
16 GB Unknown 2 GB RAM
32 GB Unknown 2 GB RAM
E78: Original memory entry

64 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. E78

NFC:
See details Super AMOLED
Headphone jack:
See details panorama
Memory card support:
See details microSD (dedicated slot)

2. Redmi 4a

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. E78

    1100 mAh

  2. 2. Redmi 4a

    3120 mAh

    +2020 mAh versus E78

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. E782. Redmi 4a

Everyday essentials
Everyday essentials — specifications for E78, Redmi 4a.
SpecificationE78Redmi 4a
Dimensions (HxWxD)
  • 115 Х 61 Х 12.7 mm
  • 139.9 Х 70.4 Х 8.5 mm
Weight
  • 150 g
  • 131.5 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.46" inch
  • 5" inch
Screen resolution
  • 240 x 320 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 MB
  • 16/32 GB
  • 2 GB RAM
Memory card support
  • microSD (dedicated slot)
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1100 mAh
  • Removable Li-Ion
  • 3120 mAh
  • Non-removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 5.0 PocketPC
  • Android 6.0.1 (Marshmallow); MIUI 10
Chipset Unknown
  • Qualcomm MSM8917 Snapdragon 425 (28 nm)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • panorama
  • Yes
Display
Display — specifications for E78, Redmi 4a.
SpecificationE78Redmi 4a
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 18.7 cm2
  • 68.0 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 26.7%
  • 69.0%
PPI /points per inch/
  • 163 PPI
  • 296 PPI
Camera and Video
Camera and Video — specifications for E78, Redmi 4a.
SpecificationE78Redmi 4a
Rear camera, main
  • 2 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 2 MP
  • 13 MP
  • AF
  • f/2.2
Functions Unknown
  • LED flash
  • HDR
  • panorama
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 5 MP
  • Single
Specifications
  • Super AMOLED
  • 5 MP
  • f/2.2
Performance

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

Performance — specifications for E78, Redmi 4a.
SpecificationE78Redmi 4a
Processor CPU
  • Super AMOLED
  • Quad-core 1.4 GHz Cortex-A53
Graphics processor GPU Unknown
  • Adreno 308
Antutu 7 score * Unknown
  • 43152
GeekBench 4 Single Core * Unknown
  • 664
GeekBench 4 Multi-Core * Unknown
  • 1740
GeekBench 4 RenderScript * Unknown
  • 1350
GeekBench 5 Single Core * Unknown
  • 123
GeekBench 5 Multi-Core * Unknown
  • 396
General specs
General specs — specifications for E78, Redmi 4a.
SpecificationE78Redmi 4a
Release date
  • 2007
  • 2016
  • November
Colors
  • Black
  • Gold
  • Rose Gold
  • Dark Gray
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 110 EUR
Body build Unknown
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for E78, Redmi 4a.
SpecificationE78Redmi 4a
SIM card
  • Single SIM (Mini-SIM)Dual SIM (Mini-SIM/Micro-SIM
  • Hybrid Dual SIM (Nano-SIM/ Micro-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
  • 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)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 20(800)
  • 38(2600)
  • 40(2300)
Speed
  • Super AMOLED
  • HSPA
  • LTE
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • panorama
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • panorama
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • panorama
  • microUSB 2.0
Bluetooth
  • Quad-core 1.25 GHz Cortex-A53
  • A2DP
  • 4.1
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for E78, Redmi 4a.
SpecificationE78Redmi 4a
Radio
  • panorama
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for E78, Redmi 4a.
SpecificationE78Redmi 4a
Dop
  • File transfer -Organizer -Task synchronizing -Pocket Office
  • Sensors Accelerometer
  • gyro
  • proximity
  • Infrared port