Xiaomi Mi 8 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 8:
    OLED
    Ace:
    LCD
  • Width

    Ace: 4.3 mm narrower

    Mi 8:
    74.8 mm
    Ace:
    70.5 mm
  • Screen diagonal

    Ace: 0.76 in smaller diagonal

    Mi 8:
    6.21 in
    Ace:
    5.45 in
  • Chipset

    Mi 8:
    Qualcomm SDM845 Snapdragon 845 (10 nm)
    Ace:
    Mediatek MT6739WW (28 nm)
  • Rear camera layout

    Mi 8:
    Dual
    Ace:
    Single
  • Depth

    Mi 8: 2 mm thinner

    Mi 8:
    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 8

    Height:
    154.9 mm +6.9 mm versus Ace
    Width:
    74.8 mm +4.3 mm versus Ace
    Depth:
    7.6 mm
    Weight:
    175 g
  2. 2. Ace

    Height:
    148 mm
    Width:
    70.5 mm
    Depth:
    9.6 mm +2 mm versus Mi 8
    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 8

    Screen diagonal:
    6.21 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    96.3 cm²
  2. 2. Ace

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

Mi 8 has approximately 25.6% 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 8: Original memory entry

64/128/256 GB · 6 GB RAM 128 GB · 8 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 8

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 8

    3400 mAh

  2. 2. Ace

    4000 mAh

    +600 mAh versus Mi 8

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 82. Ace

Everyday essentials
Everyday essentials — specifications for Mi 8, Ace.
SpecificationMi 8Ace
Dimensions (HxWxD)
  • 154.9 Х 74.8 Х 7.6 mm
  • 148 Х 70.5 Х 9.6 mm
Weight
  • 175 g
  • 0 g
Technology
  • Super AMOLED
  • IPS LCD
Screen size
  • 6.21" inch
  • 5.45" inch
Screen resolution
  • 1080 x 2248 px
  • 720 x 1440 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64/128/256 GB
  • 6 GB RAM 128 GB
  • 8 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.
  • 3400 mAh
  • Non-removable Li-Po
  • 4000 mAh
  • Removable Li-Po
Operating system OS
  • Android 8.1 (Oreo)
  • upgradable to Android 9.0 (Pie); MIUI 10.1
  • Android 8.0 (Oreo)
Chipset
  • Qualcomm SDM845 Snapdragon 845 (10 nm)
  • Mediatek MT6739WW (28 nm)
NFC
  • Yes
Unknown
Headphone jack
  • No
  • Yes
Display
Display — specifications for Mi 8, Ace.
SpecificationMi 8Ace
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 97.1 cm2
  • 76.7 cm2
Screen format
  • 19:9 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 83.8%
  • 73.5%
PPI /points per inch/
  • 402 PPI
  • 295 PPI
Screen protection
  • Corning Gorilla Glass 5
Unknown
Camera and Video

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

Camera and Video — specifications for Mi 8, Ace.
SpecificationMi 8Ace
Rear camera, main
  • 12 MP
  • Dual
  • 13 MP
  • Single
Camera specs
  • 12 MP
  • f/1.8
  • 1/2.55''
  • 1.4µm
  • 4-axis OIS
  • dual pixel PDAF -12 MP
  • f/2.4
  • 56mm (telephoto)
  • 1/3.4''
  • 1.0µm
  • AF
  • 2x optical zoom
  • 13 MP
  • AF
Functions
  • Dual-LED flash
  • HDR
  • panorama
  • 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
DxOMark Main Score *
  • 99
Unknown
DxOMark Photo *
  • 105
Unknown
DxOMark Video *
  • 88
Unknown
Performance

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

Performance — specifications for Mi 8, Ace.
SpecificationMi 8Ace
Processor CPU
  • Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.8 GHz Kryo 385 Silver)
  • Quad-core 1.5 GHz Cortex-A53
Graphics processor GPU
  • Adreno 630
  • PowerVR GE8100
Antutu 7 score *
  • 297023
  • 31252
GeekBench 4 Single Core *
  • 2280
Unknown
GeekBench 4 Multi-Core *
  • 8242
Unknown
GeekBench 4 RenderScript *
  • 13089
Unknown
Antutu 8 score *
  • 353884
Unknown
GeekBench 4 Battery *
  • 3965
Unknown
GeekBench 5 Single Core *
  • 447
Unknown
GeekBench 5 Multi-Core *
  • 1898
Unknown
General specs
General specs — specifications for Mi 8, Ace.
SpecificationMi 8Ace
Release date
  • 2018
  • May
  • 2018
  • August
Colors
  • Black
  • Blue
  • White
  • Gold
  • Charcoal Grey
  • Elektric Blue
  • Rose Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 380 EUR
  • 6000 INR
Body build
  • Front/back glass (Gorilla Glass 5)
  • aluminum frame (7000 series)
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Mi 8, Ace.
SpecificationMi 8Ace
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)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
  • 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 42.2/5.76 Mbps
  • LTE-A (4CA) Cat16 1024/150 Mbps
  • 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
  • Type-C 1.0 reversible connector
  • 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 8, Ace.
SpecificationMi 8Ace
Radio
  • No
  • FM radio
Others
  • HDR10 -DCI-P3
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Mi 8, Ace.
SpecificationMi 8Ace
Dop
  • Sensors Infrared face recognition
  • fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • barometer
  • compass - Fast battery charging (Quick Charge 4.0+)
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity - Fast battery charging 10W - For India