Samsung Galaxy J7 vs Xiaomi Mi 4

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.

  • Display technology

    OLED versus LCD

    Galaxy J7:
    OLED
    Mi 4:
    LCD
  • Weight

    Mi 4: 22 g lighter

    Galaxy J7:
    171 g
    Mi 4:
    149 g
  • Width

    Mi 4: 10.2 mm narrower

    Galaxy J7:
    78.7 mm
    Mi 4:
    68.5 mm
  • Screen diagonal

    Mi 4: 0.5 in smaller diagonal

    Galaxy J7:
    5.5 in
    Mi 4:
    5 in
  • Chipset

    Galaxy J7:
    Qualcomm MSM8939 Snapdragon 615 (28 nm) -Exynos 7580 Octa
    Mi 4:
    Qualcomm MSM8974AC Snapdragon 801 (28 nm)
  • Depth

    Galaxy J7: 1.4 mm thinner

    Galaxy J7:
    7.5 mm
    Mi 4:
    8.9 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. Galaxy J7

    Height:
    152.2 mm +13 mm versus Mi 4
    Width:
    78.7 mm +10.2 mm versus Mi 4
    Depth:
    7.5 mm
  2. 2. Mi 4

    Height:
    139.2 mm
    Width:
    68.5 mm
    Depth:
    8.9 mm +1.4 mm versus Galaxy J7

Weight

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

  1. 1. Galaxy J7

    171 g

    +22 g versus Mi 4

  2. 2. Mi 4

    149 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. Galaxy J7

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. Mi 4

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

Galaxy J7 has approximately 21% more rectangular screen area than Mi 4.

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.

Galaxy J7: Original memory entry

16 GB · 1.5 GB RAM

Mi 4: Original memory entry

16/64 GB · 2/3 GB RAM

Practical features

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

1. Galaxy J7

NFC:
See details Yes (Snapdragon model only)
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (dedicated slot)

2. Mi 4

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
No

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. Galaxy J7

    3000 mAh

  2. 2. Mi 4

    3080 mAh

    +80 mAh versus Galaxy J7

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. Galaxy J72. Mi 4

Everyday essentials
Everyday essentials — specifications for Galaxy J7, Mi 4.
SpecificationGalaxy J7Mi 4
Dimensions (HxWxD)
  • 152.2 Х 78.7 Х 7.5 mm
  • 139.2 Х 68.5 Х 8.9 mm
Weight
  • 171 g
  • 149 g
Technology
  • Super AMOLED
  • IPS LCD
Screen size
  • 5.5" inch
  • 5" inch
Screen resolution
  • 720 x 1280 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 1.5 GB RAM
  • 16/64 GB
  • 2/3 GB RAM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Removable Li-Ion
  • 3080 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 5.1 (Lollipop)
  • upgradable to 6.0.1 (Marshmallow)
  • Android 4.4.3 (KitKat)
  • upgradable to 6.0.1 (Marshmallow); MIUI 10
Chipset
  • Qualcomm MSM8939 Snapdragon 615 (28 nm) -Exynos 7580 Octa
  • Qualcomm MSM8974AC Snapdragon 801 (28 nm)
NFC
  • Yes (Snapdragon model only)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Galaxy J7, Mi 4.
SpecificationGalaxy J7Mi 4
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.4 cm2
  • 68.9 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 69.6%
  • 72.3%
PPI /points per inch/
  • 267 PPI
  • 441 PPI
Camera and Video
Camera and Video — specifications for Galaxy J7, Mi 4.
SpecificationGalaxy J7Mi 4
Rear camera, main
  • 13 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 13 MP
  • f/1.9
  • 28mm (wide)
  • AF
  • 13 MP
  • f/1.8
  • 1/3''
  • 1.12µm
  • AF
Functions
  • LED flash
  • LED flash
  • panorama
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 5 MP
  • f/2.2
  • 23mm (wide)
  • 8 MP
  • f/1.8
Performance

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

Performance — specifications for Galaxy J7, Mi 4.
SpecificationGalaxy J7Mi 4
Processor CPU
  • Octa-core (4x1.4 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53) -Octa-core 1.5 GHz Cortex-A53
  • Quad-core 2.5 GHz Krait 400
Graphics processor GPU
  • Adreno 405 -Mali-T720MP2
  • Adreno 330
Antutu 7 score * Unknown
  • 61632
GeekBench 4 Single Core *
  • 693
  • 891
GeekBench 4 Multi-Core *
  • 3327
  • 1967
GeekBench 4 RenderScript *
  • 1997
  • 1997
General specs
General specs — specifications for Galaxy J7, Mi 4.
SpecificationGalaxy J7Mi 4
Release date
  • 2015
  • June
  • 2014
  • July
Colors
  • White
  • Black
  • Gold
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 200 EUR
  • 230 EUR
Battery life
  • Talking time- Up to 18 h (3G) Music play - Up to 76 h
  • Stand by time- Up to 280 h (3G)
Body build
  • plastic body
  • aluminum frame
  • plastic back
Communication and Connectivity
Communication and Connectivity — specifications for Galaxy J7, Mi 4.
SpecificationGalaxy J7Mi 4
SIM card
  • Single SIM (Micro-SIM)Dual SIM (Micro-SIM
  • dual stand-by)
  • Micro-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 40(2300)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - all versions CDMA 800 / 1900 - Telecom 3G model -3G - TD-SCDMA - 4G model HSDPA 850 / 900 / 1900 / 2100 - Unicom 3G model
  • Telecom 3G model CDMA2000 1xEV-DO - Telecom 3G model -4G - LTE band 38(2600)
  • 39(1900)
  • 40(2300) - 4G model
Speed
  • HSPA 21.1/5.76 MbpsHSPA
  • LTE Cat4 150/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE
  • EV-DO Rev.A 3.1 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB Host
Bluetooth
  • 4.1
  • A2DP
  • 4.0
  • A2DP
Harmful irradiation
  • SAR - 1.25 W/kg (head) 1.36 W/kg (body) SAR EU - 0.50 W/kg (head) 0.37 W/kg (body)
  • SAR - 1.36 W/kg (head)
Music and Audio
Music and Audio — specifications for Galaxy J7, Mi 4.
SpecificationGalaxy J7Mi 4
Radio
  • FM radio
  • RDS
  • recording
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Galaxy J7, Mi 4.
SpecificationGalaxy J7Mi 4
Dop
  • Sensors Accelerometer
  • proximity - ANT+ - Versions: J700F (India
  • Thailand); J700M (LATAM); J700M/DS (Brazil); J700H with no LTE (South Africa
  • Pakistan
  • Vietnam
  • Philippines
  • Russia); J700T (T-Mobile
  • Metro PCS); J700P (Virgin Mobile
  • Boost)
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • barometer
  • Infrared port - Fast battery charging (Quick Charge 2.0)