Xiaomi Mi 9 Explorer vs YU Ace

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

    Mi 9 Explorer:
    OLED
    Ace:
    LCD
  • Width

    Ace: 4.2 mm narrower

    Mi 9 Explorer:
    74.7 mm
    Ace:
    70.5 mm
  • Screen diagonal

    Ace: 0.94 in smaller diagonal

    Mi 9 Explorer:
    6.39 in
    Ace:
    5.45 in
  • Chipset

    Mi 9 Explorer:
    Qualcomm SDM855 Snapdragon 855 (7 nm)
    Ace:
    Mediatek MT6739WW (28 nm)
  • Rear camera layout

    Mi 9 Explorer:
    Triple
    Ace:
    Single
  • Depth

    Mi 9 Explorer: 2 mm thinner

    Mi 9 Explorer:
    7.6 mm
    Ace:
    9.6 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. Mi 9 Explorer

    Height:
    157.5 mm +9.5 mm versus Ace
    Width:
    74.7 mm +4.2 mm versus Ace
    Depth:
    7.6 mm
    Weight:
    173 g
  2. 2. Ace

    Height:
    148 mm
    Width:
    70.5 mm
    Depth:
    9.6 mm +2 mm versus Mi 9 Explorer
    Weight:
    Unknown

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. Mi 9 Explorer

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

    Screen diagonal:
    5.45 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    76.7 cm²

Mi 9 Explorer has approximately 30.8% more rectangular screen area than Ace.

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.

Mi 9 Explorer: Original memory entry

256 GB · 8/12 GB RAM

Ace: Original memory entry

32 GB · 3 RAM 16 GB · 2 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. Mi 9 Explorer

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

2. Ace

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 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. Mi 9 Explorer

    3300 mAh

  2. 2. Ace

    4000 mAh

    +700 mAh versus Mi 9 Explorer

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. Mi 9 Explorer2. Ace

Everyday essentials
Everyday essentials — specifications for Mi 9 Explorer, Ace.
SpecificationMi 9 ExplorerAce
Dimensions (HxWxD)
  • 157.5 Х 74.7 Х 7.6 mm
  • 148 Х 70.5 Х 9.6 mm
Weight
  • 173 g
  • 0 g
Technology
  • Super AMOLED
  • IPS LCD
Screen size
  • 6.39" inch
  • 5.45" inch
Screen resolution
  • 1080 x 2340 px
  • 720 x 1440 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 256 GB
  • 8/12 GB RAM
  • 32 GB
  • 3 RAM 16 GB
  • 2 GB RAM
Memory card support
  • No
  • microSD
  • up to 128 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3300 mAh
  • Non-removable Li-Po
  • 4000 mAh
  • Removable Li-Po
Operating system OS
  • Android 9.0 (Pie); MIUI 10
  • Android 8.0 (Oreo)
Chipset
  • Qualcomm SDM855 Snapdragon 855 (7 nm)
  • Mediatek MT6739WW (28 nm)
NFC
  • Yes
Unknown
Headphone jack
  • No
  • Yes
Display
Display — specifications for Mi 9 Explorer, Ace.
SpecificationMi 9 ExplorerAce
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 100.2 cm2
  • 76.7 cm2
Screen format
  • 19.5:9 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 85.2%
  • 73.5%
PPI /points per inch/
  • 403 PPI
  • 295 PPI
Screen protection
  • Corning Gorilla Glass 6
Unknown
Camera and Video
Camera and Video — specifications for Mi 9 Explorer, Ace.
SpecificationMi 9 ExplorerAce
Rear camera, main
  • 48 MP
  • Triple
  • 13 MP
  • Single
Camera specs
  • 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"
  • 13 MP
  • AF
Functions
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • 720p@30fps
Front camera, selfie
  • 20 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 20 MP
  • f/2.0
  • 0.9μm
  • 5 MP
Performance

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

Performance — specifications for Mi 9 Explorer, Ace.
SpecificationMi 9 ExplorerAce
Processor CPU
  • Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.8 GHz Kryo 485)
  • Quad-core 1.5 GHz Cortex-A53
Graphics processor GPU
  • Adreno 640
  • PowerVR GE8100
Antutu 7 score * Unknown
  • 31252
General specs
General specs — specifications for Mi 9 Explorer, Ace.
SpecificationMi 9 ExplorerAce
Release date
  • 2019
  • February
  • 2018
  • August
Colors
  • Transparent Black
  • Charcoal Grey
  • Elektric Blue
  • Rose Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 530 EUR
  • 6000 INR
Body build
  • Back glass (Gorilla Glass 5)
  • aluminum frame (7000 series)
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Mi 9 Explorer, Ace.
SpecificationMi 9 ExplorerAce
SIM card
  • Dual SIM (Nano-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 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)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA
  • LTE-A
  • HSPA 21.1/5.76 Mbps
  • LTE Cat4 150/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with dual-band A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • QZSS
  • Yes
  • with A-GPS
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 5.0
  • A2DP
  • LE
  • aptX HD
  • 4.1
  • A2DP
Music and Audio
Music and Audio — specifications for Mi 9 Explorer, Ace.
SpecificationMi 9 ExplorerAce
Radio
  • No
  • FM radio
Others
  • HDR10 -DCI-P3
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Mi 9 Explorer, Ace.
SpecificationMi 9 ExplorerAce
Dop
  • 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
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity - Fast battery charging 10W - For India