Samsung Galaxy Ace 4 vs Xiaomi Mi 9 Explorer

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

    Galaxy Ace 4: 49.2 g lighter

    Galaxy Ace 4:
    123.8 g
    Mi 9 Explorer:
    173 g
  • Width

    Galaxy Ace 4: 11.8 mm narrower

    Galaxy Ace 4:
    62.9 mm
    Mi 9 Explorer:
    74.7 mm
  • Screen diagonal

    Galaxy Ace 4: 2.39 in smaller diagonal

    Galaxy Ace 4:
    4 in
    Mi 9 Explorer:
    6.39 in
  • Rear camera layout

    Galaxy Ace 4:
    Single
    Mi 9 Explorer:
    Triple
  • Depth

    Mi 9 Explorer: 3.2 mm thinner

    Galaxy Ace 4:
    10.8 mm
    Mi 9 Explorer:
    7.6 mm
  • Height

    Galaxy Ace 4: 36.1 mm shorter

    Galaxy Ace 4:
    121.4 mm
    Mi 9 Explorer:
    157.5 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 Ace 4

    Height:
    121.4 mm
    Width:
    62.9 mm
    Depth:
    10.8 mm +3.2 mm versus Mi 9 Explorer
  2. 2. Mi 9 Explorer

    Height:
    157.5 mm +36.1 mm versus Galaxy Ace 4
    Width:
    74.7 mm +11.8 mm versus Galaxy Ace 4
    Depth:
    7.6 mm

Weight

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

  1. 1. Galaxy Ace 4

    123.8 g

  2. 2. Mi 9 Explorer

    173 g

    +49.2 g versus Galaxy Ace 4

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 Ace 4

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. Mi 9 Explorer

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

Mi 9 Explorer has approximately 120.1% more rectangular screen area than Galaxy Ace 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 Ace 4: Original memory entry

4 GB · 512 MB RAM

Mi 9 Explorer: Original memory entry

256 GB · 8/12 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 Ace 4

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

2. Mi 9 Explorer

NFC:
Yes
Headphone jack:
No
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 Ace 4

    1500 mAh

  2. 2. Mi 9 Explorer

    3300 mAh

    +1800 mAh versus Galaxy Ace 4

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 Ace 42. Mi 9 Explorer

Everyday essentials
Everyday essentials — specifications for Galaxy Ace 4, Mi 9 Explorer.
SpecificationGalaxy Ace 4Mi 9 Explorer
Dimensions (HxWxD)
  • 121.4 Х 62.9 Х 10.8 mm
  • 157.5 Х 74.7 Х 7.6 mm
Weight
  • 123.8 g
  • 173 g
Technology
  • TFT
  • Super AMOLED
Screen size
  • 4" inch
  • 6.39" 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.
  • 4 GB
  • 512 MB RAM
  • 256 GB
  • 8/12 GB RAM
Memory card support
  • microSD
  • up to 64 GB (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 3300 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 9.0 (Pie); MIUI 10
Chipset Unknown
  • Qualcomm SDM855 Snapdragon 855 (7 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • No
Display
Display — specifications for Galaxy Ace 4, Mi 9 Explorer.
SpecificationGalaxy Ace 4Mi 9 Explorer
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 45.5 cm2
  • 100.2 cm2
Screen format
  • 5:3 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 59.6%
  • 85.2%
PPI /points per inch/
  • 233 PPI
  • 403 PPI
Screen protection Unknown
  • Corning Gorilla Glass 6
Camera and Video
Camera and Video — specifications for Galaxy Ace 4, Mi 9 Explorer.
SpecificationGalaxy Ace 4Mi 9 Explorer
Rear camera, main
  • 5 MP
  • Single
  • 48 MP
  • Triple
Camera specs
  • 5 MP
  • AF
  • 48 MP
  • f/1.5 (12GB RAM model) or f/1.8 (8GB RAM model)
  • (wide)
  • 1/2"
  • 0.8µm
  • PDAF
  • Laser AF - 12 MP
  • f/2.2
  • 54mm (telephoto)
  • 1/3.6"
  • 1.0µm
  • laser AF
  • 2x optical zoom - 16 MP
  • 13mm (ultrawide)
  • 1/3.0"
Functions
  • LED flash
  • panorama
  • HDR
Video
  • 720p@30fps
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 20 MP
  • Single
Specifications
  • VGA
  • 20 MP
  • f/2.0
  • 0.9μm
Performance

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

Performance — specifications for Galaxy Ace 4, Mi 9 Explorer.
SpecificationGalaxy Ace 4Mi 9 Explorer
Processor CPU
  • Dual-core 1.0 GHz
  • Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.8 GHz Kryo 485)
Graphics processor GPU Unknown
  • Adreno 640
Antutu 7 score *
  • 14156
Unknown
General specs
General specs — specifications for Galaxy Ace 4, Mi 9 Explorer.
SpecificationGalaxy Ace 4Mi 9 Explorer
Release date
  • 2014
  • June
  • 2019
  • February
Colors
  • Iris Charcoal
  • Classic White
  • Transparent Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 220 EUR
  • 530 EUR
Battery life
  • Talking time- Up to 11 h (3G) Music play - Up to 53 h
Unknown
Body build
  • plastic body
  • Back glass (Gorilla Glass 5)
  • aluminum frame (7000 series)
Communication and Connectivity
Communication and Connectivity — specifications for Galaxy Ace 4, Mi 9 Explorer.
SpecificationGalaxy Ace 4Mi 9 Explorer
SIM card
  • Micro-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 17(700)
  • 20(800)
  • 28(700)
  • 38(2600)
  • 39(1900)
  • 40(2300)
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA
  • LTE-A
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 dual-band A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • QZSS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 4.0
  • A2DP
  • 5.0
  • A2DP
  • LE
  • aptX HD
Music and Audio
Music and Audio — specifications for Galaxy Ace 4, Mi 9 Explorer.
SpecificationGalaxy Ace 4Mi 9 Explorer
Radio
  • FM radio
  • No
Others Unknown
  • HDR10 -DCI-P3
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Galaxy Ace 4, Mi 9 Explorer.
SpecificationGalaxy Ace 4Mi 9 Explorer
Dop
  • Sensors Accelerometer
  • Sensors Fingerprint (under display)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast battery charging 27W (Quick Charge 4+) -Fast wireless charging 20W - Also known as Xiaomi Mi 9 Transparent Edition