Oppo R15 vs Xiaomi Mi Mix

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

    R15:
    OLED
    Mi Mix:
    LCD
  • Weight

    R15: 34 g lighter

    R15:
    175 g
    Mi Mix:
    209 g
  • Width

    R15: 6.7 mm narrower

    R15:
    75.2 mm
    Mi Mix:
    81.9 mm
  • Chipset

    R15:
    Mediatek MT6771 Helio P60 (12 nm)
    Mi Mix:
    Qualcomm MSM8996 Snapdragon 821 (14 nm)
  • Rear camera layout

    R15:
    Dual
    Mi Mix:
    Single
  • Depth

    R15: 0.5 mm thinner

    R15:
    7.4 mm
    Mi Mix:
    7.9 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. R15

    Height:
    155.1 mm
    Width:
    75.2 mm
    Depth:
    7.4 mm
  2. 2. Mi Mix

    Height:
    158.8 mm +3.7 mm versus R15
    Width:
    81.9 mm +6.7 mm versus R15
    Depth:
    7.9 mm +0.5 mm versus R15

Weight

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

  1. 1. R15

    175 g

  2. 2. Mi Mix

    209 g

    +34 g versus R15

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. R15

    Screen diagonal:
    6.28 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    98.4 cm²
  2. 2. Mi Mix

    Screen diagonal:
    6.4 in
    Aspect ratio (height:width):
    17:9
    Approximate rectangular screen area:
    109.3 cm²

Mi Mix has approximately 11% more rectangular screen area than R15.

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.

R15: Original memory entry

128 GB · 4/6 GB RAM

Mi Mix: Original memory entry

256 GB · 6 GB RAM 128 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. R15

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 slot)

2. Mi Mix

NFC:
Yes
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. R15

    3450 mAh

  2. 2. Mi Mix

    4400 mAh

    +950 mAh versus R15

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. R152. Mi Mix

Everyday essentials
Everyday essentials — specifications for R15, Mi Mix.
SpecificationR15Mi Mix
Dimensions (HxWxD)
  • 155.1 Х 75.2 Х 7.4 mm
  • 158.8 Х 81.9 Х 7.9 mm
Weight
  • 175 g
  • 209 g
Technology
  • AMOLED
  • IPS LCD
Screen size
  • 6.28" inch
  • 6.4" inch
Screen resolution
  • 1080 x 2280 px
  • 1080 x 2040 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128 GB
  • 4/6 GB RAM
  • 256 GB
  • 6 GB RAM 128 GB
  • 512GB 4GB
Memory card support
  • microSD
  • up to 256 GB (uses SIM 2 slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 3450 mAh
  • Non-removable Li-Po
  • 4400 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 8.1 (Oreo); ColorOS 5
  • Android 6.0 (Marshmallow)
  • upgradable to 8.0 (Oreo); MIUI 10
Chipset
  • Mediatek MT6771 Helio P60 (12 nm)
  • Qualcomm MSM8996 Snapdragon 821 (14 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for R15, Mi Mix.
SpecificationR15Mi Mix
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 98.9 cm2
  • 108.7 cm2
Screen format
  • 19:9 (height:width)
  • 17:9 (height:width)
Screen to body ratio
  • 84.8%
  • 83.6%
PPI /points per inch/
  • 401 PPI
  • 362 PPI
Screen protection
  • Corning Gorilla Glass 5
Unknown
Camera and Video
Camera and Video — specifications for R15, Mi Mix.
SpecificationR15Mi Mix
Rear camera, main
  • 16 MP
  • Dual
  • 16 MP
  • Single
Camera specs
  • 16 MP
  • f/1.7
  • 1/2.6''
  • 1.22µm
  • PDAF -5 MP
  • f/2.2
  • depth sensor
  • 16 MP
  • f/2.0
  • 1/3''
  • 1.0µm
  • PDAF
Functions
  • LED flash
  • HDR
  • panorama
  • Dual-LED dual-tone flash
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 20 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 20 MP
  • f/2.0
  • 5 MP
  • f/2.2
Performance

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

Performance — specifications for R15, Mi Mix.
SpecificationR15Mi Mix
Processor CPU
  • Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
  • Quad-core (2x2.35 GHz Kryo & 2x2.19 GHz Kryo)
Graphics processor GPU
  • Mali-G72 MP3
  • Adreno 530
Antutu 7 score *
  • 140520
  • 157822
GeekBench 4 Single Core *
  • 1928
  • 1749
GeekBench 4 Multi-Core *
  • 4904
  • 3882
GeekBench 4 RenderScript * Unknown
  • 6859
GeekBench 5 Single Core * Unknown
  • 335
GeekBench 5 Multi-Core * Unknown
  • 789
General specs
General specs — specifications for R15, Mi Mix.
SpecificationR15Mi Mix
Release date
  • 2018
  • March
  • 2016
  • October
Colors
  • Hot Red
  • Snow White
  • Star Purple
  • Fantasy Pink
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 460 EUR
  • 390 EUR
Body build
  • Front glass
  • aluminum body
  • Front glass
  • ceramic frame
  • back
Communication and Connectivity
Communication and Connectivity — specifications for R15, Mi Mix.
SpecificationR15Mi Mix
SIM card
  • Hybrid 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)
  • 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 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat13 600/100 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat12 600/150 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/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
  • GLONASS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • USB On-The-Go
  • Type-C 1.0 reversible connector
Bluetooth
  • 4.2
  • A2DP
  • LE
  • EDR
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for R15, Mi Mix.
SpecificationR15Mi Mix
Radio
  • No
  • No
Others
  • Active noise cancellation with dedicated mic
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for R15, Mi Mix.
SpecificationR15Mi Mix
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging: VOOC Flash Charge 5V/4A
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • barometer - Fast battery charging (Quick Charge 3.0)