Oppo R15x vs Xiaomi Redmi K30

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
    Redmi K30:
    LCD
  • Weight

    R15x: 52 g lighter

    R15x:
    156 g
    Redmi K30:
    208 g
  • Width

    R15x: 1.1 mm narrower

    R15x:
    75.5 mm
    Redmi K30:
    76.6 mm
  • Screen diagonal

    R15x: 0.27 in smaller diagonal

    R15x:
    6.4 in
    Redmi K30:
    6.67 in
  • Chipset

    R15x:
    Qualcomm SDM660 Snapdragon 660 (14 nm)
    Redmi K30:
    Qualcomm SDM730 Snapdragon 730G (8 nm)
  • Rear camera layout

    R15x:
    Dual
    Redmi K30:
    Quad

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
    Width:
    75.5 mm
    Depth:
    7.4 mm
  2. 2. Redmi K30

    Height:
    165.3 mm +7 mm versus R15x
    Width:
    76.6 mm +1.1 mm versus R15x
    Depth:
    8.8 mm +1.4 mm versus R15x

Weight

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

  1. 1. R15x

    156 g

  2. 2. Redmi K30

    208 g

    +52 g versus R15x

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. Redmi K30

    Screen diagonal:
    6.67 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    107.4 cm²

Redmi K30 has approximately 6.8% more rectangular screen area than R15x.

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, Redmi K30, compared at the same storage capacity.
StorageR15xRedmi K30
64 GB Not recorded 6 GB RAM
128 GB Recorded for all phones 6 GB RAM 6 / 8 GB RAM Alternative RAM configurations
256 GB Not recorded 8 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. R15x

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

2. Redmi K30

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses shared SIM 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

  2. 2. Redmi K30

    4500 mAh

    +900 mAh versus R15x

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. Redmi K30

Everyday essentials
Everyday essentials — specifications for R15x, Redmi K30.
SpecificationR15xRedmi K30
Dimensions (HxWxD)
  • 158.3 Х 75.5 Х 7.4 mm
  • 165.3 Х 76.6 Х 8.8 mm
Weight
  • 156 g
  • 208 g
Technology
  • Super AMOLED
  • IPS LCD
Screen size
  • 6.4" inch
  • 6.67" inch
Screen resolution
  • 1080 x 2340 px
  • 1080 x 2400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128 GB
  • 6 GB RAM
  • 64GB 6GB RAM
  • 128GB 6GB RAM
  • 128GB 8GB RAM
  • 256GB 8GB RAM
Memory card support
  • No
  • microSD
  • up to 256 GB (uses shared SIM slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3600 mAh
  • Non-removable Li-Ion
  • 4500 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 8.1 (Oreo); ColorOS 5.2
  • Android 10; MIUI 11
Chipset
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
  • Qualcomm SDM730 Snapdragon 730G (8 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for R15x, Redmi K30.
SpecificationR15xRedmi K30
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 101.0 cm2
  • 107.4 cm2
Screen format
  • 19.5:9 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 84.5%
  • 84.8%
PPI /points per inch/
  • 402 PPI
  • 395 PPI
Screen protection
  • Corning Gorilla Glass 5
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for R15x, Redmi K30.
SpecificationR15xRedmi K30
Rear camera, main
  • 16 MP
  • Dual
  • 64 MP
  • Quad
Camera specs
  • 16 MP
  • f/1.7
  • 1/2.8''
  • 1.12µm
  • PDAF -2 MP
  • depth sensor
  • 64 MP
  • f/1.9
  • 26mm (wide)
  • 1/1.72''
  • 0.8µm
  • PDAF -8 MP
  • f/2.2
  • 13mm (ultrawide)
  • 1/4''
  • 1.12µm -2 MP
  • f/2.4
  • 1/5''
  • 1.75µm (dedicated macro camera) -2 MP
  • 1.75µm
  • depth sensor
Functions
  • HDR
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 25 MP
  • Single
  • 20 MP
  • Dual
Specifications
  • 25 MP
  • f/2.0
  • 1/2.8''
  • 0.9μm
  • 20 MP
  • f/2.2
  • 27mm (wide)
  • 1/3.4''
  • 0.8µm 2 MP
  • f/2.4
  • 1/5''
  • 1.75µm
  • depth sensor
Performance

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

Performance — specifications for R15x, Redmi K30.
SpecificationR15xRedmi K30
Processor CPU
  • Octa-core (4x2.0 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
  • Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver)
Graphics processor GPU
  • Adreno 512
  • Adreno 618
Antutu 7 score *
  • 143726
Unknown
Antutu 8 score * Unknown
  • 279345
GeekBench 5 Single Core * Unknown
  • 542
GeekBench 5 Multi-Core * Unknown
  • 1685
General specs
General specs — specifications for R15x, Redmi K30.
SpecificationR15xRedmi K30
Release date
  • 2018
  • October
  • 2019
  • December
Colors
  • Nebula
  • Silver Green
  • Blue
  • Red
  • Purple
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 350 EUR
  • 210 EUR
Communication and Connectivity
Communication and Connectivity — specifications for R15x, Redmi K30.
SpecificationR15xRedmi K30
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Hybrid 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 / 2100 CDMA2000 1xEV-DO -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 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 42.2/5.76 Mbps
  • LTE-A
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
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • BDS
USB
  • microUSB 2.0
  • USB On-The-Go
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 5.0
  • A2DP
  • LE
  • aptX HD
Music and Audio
Music and Audio — specifications for R15x, Redmi K30.
SpecificationR15xRedmi K30
Radio
  • No
  • FM radio
Others
  • Active noise cancellation with dedicated mic
  • HDR10 -120Hz
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for R15x, Redmi K30.
SpecificationR15xRedmi K30
Dop
  • Sensors Fingerprint (under display)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 5V/2A 10W - Incomplete preliminary specifications
  • Sensors Fingerprint (side-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast battery charging 27W (100% in 68 min)