Oppo R15x vs Xiaomi Mi Play

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

    R15x:
    OLED
    Mi Play:
    LCD
  • Weight

    Mi Play: 6 g lighter

    R15x:
    156 g
    Mi Play:
    150 g
  • Width

    Mi Play: 3.6 mm narrower

    R15x:
    75.5 mm
    Mi Play:
    71.9 mm
  • Screen diagonal

    Mi Play: 0.56 in smaller diagonal

    R15x:
    6.4 in
    Mi Play:
    5.84 in
  • Chipset

    R15x:
    Qualcomm SDM660 Snapdragon 660 (14 nm)
    Mi Play:
    Mediatek MT6765 Helio P35 (12nm)
  • Height

    Mi Play: 10.5 mm shorter

    R15x:
    158.3 mm
    Mi Play:
    147.8 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. R15x

    Height:
    158.3 mm +10.5 mm versus Mi Play
    Width:
    75.5 mm +3.6 mm versus Mi Play
    Depth:
    7.4 mm
  2. 2. Mi Play

    Height:
    147.8 mm
    Width:
    71.9 mm
    Depth:
    7.8 mm

Weight

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

  1. 1. R15x

    156 g

    +6 g versus Mi Play

  2. 2. Mi Play

    150 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. R15x

    Screen diagonal:
    6.4 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    100.5 cm²
  2. 2. Mi Play

    Screen diagonal:
    5.84 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    85.1 cm²

R15x has approximately 18.1% more rectangular screen area than Mi Play.

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 R15x, Mi Play, compared at the same storage capacity.
StorageR15xMi Play
128 GB 6 GB RAM Unknown
Mi Play: Original memory entry

64 GB · 512GB 4GB

Practical features

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

1. R15x

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

2. Mi Play

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. R15x

    3600 mAh

    +600 mAh versus Mi Play

  2. 2. Mi Play

    3000 mAh

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. R15x2. Mi Play

Everyday essentials
Everyday essentials — specifications for R15x, Mi Play.
SpecificationR15xMi Play
Dimensions (HxWxD)
  • 158.3 Х 75.5 Х 7.4 mm
  • 147.8 Х 71.9 Х 7.8 mm
Weight
  • 156 g
  • 150 g
Technology
  • Super AMOLED
  • IPS LCD
Screen size
  • 6.4" inch
  • 5.84" inch
Screen resolution
  • 1080 x 2340 px
  • 1080 x 2280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128 GB
  • 6 GB RAM
  • 64 GB
  • 512GB 4GB
Memory card support
  • No
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3600 mAh
  • Non-removable Li-Ion
  • 3000 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 8.1 (Oreo); ColorOS 5.2
  • Android 9.0 (Pie)
Chipset
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
  • Mediatek MT6765 Helio P35 (12nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for R15x, Mi Play.
SpecificationR15xMi Play
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 101.0 cm2
  • 85.1 cm2
Screen format
  • 19.5:9 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 84.5%
  • 80.1%
PPI /points per inch/
  • 402 PPI
  • 432 PPI
Screen protection
  • Corning Gorilla Glass 5
Unknown
Camera and Video
Camera and Video — specifications for R15x, Mi Play.
SpecificationR15xMi Play
Rear camera, main
  • 16 MP
  • Dual
  • 12 MP
  • Dual
Camera specs
  • 16 MP
  • f/1.7
  • 1/2.8''
  • 1.12µm
  • PDAF -2 MP
  • depth sensor
  • 12 MP
  • f/2.2
  • 1.25 µm
  • PDAF -Secondary camera
  • depth sensor
Functions
  • HDR
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 25 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 25 MP
  • f/2.0
  • 1/2.8''
  • 0.9μm
  • 8 MP
Performance

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

Performance — specifications for R15x, Mi Play.
SpecificationR15xMi Play
Processor CPU
  • Octa-core (4x2.0 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
  • Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
Graphics processor GPU
  • Adreno 512
  • PowerVR GE8320
Antutu 7 score *
  • 143726
  • 86457
General specs
General specs — specifications for R15x, Mi Play.
SpecificationR15xMi Play
Release date
  • 2018
  • October
  • 2018
  • December
Colors
  • Nebula
  • Silver Green
  • Dream Blue
  • Twilight Gold
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 350 EUR
  • 170 EUR
Communication and Connectivity
Communication and Connectivity — specifications for R15x, Mi Play.
SpecificationR15xMi Play
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 / 1700(AWS) / 2100 / 900 -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
  • HSPA
  • LTE
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 а/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for R15x, Mi Play.
SpecificationR15xMi Play
Radio
  • No
Unknown
Others
  • Active noise cancellation with dedicated mic
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for R15x, Mi Play.
SpecificationR15xMi Play
Dop
  • Sensors Fingerprint (under display)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 5V/2A 10W - Incomplete preliminary specifications
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - 5V/2A 10W charging