Oppo K1 vs Oppo Realme X2

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.

  • Weight

    K1: 26 g lighter

    K1:
    156 g
    Realme X2:
    182 g
  • Chipset

    K1:
    Qualcomm SDM660 Snapdragon 660 (14 nm)
    Realme X2:
    Qualcomm SDM730 Snapdragon 730G (8 nm)
  • Rear camera layout

    K1:
    Dual
    Realme X2:
    Quad
  • Depth

    K1: 1.2 mm thinner

    K1:
    7.4 mm
    Realme X2:
    8.6 mm
  • Release year

    K1:
    2018
    Realme X2:
    2019

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. K1

    Height:
    158.3 mm
    Width:
    75.5 mm
    Depth:
    7.4 mm
  2. 2. Realme X2

    Height:
    158.7 mm
    Width:
    75.2 mm
    Depth:
    8.6 mm +1.2 mm versus K1

Weight

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

  1. 1. K1

    156 g

  2. 2. Realme X2

    182 g

    +26 g versus K1

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. K1

    Screen diagonal:
    6.4 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    100.5 cm²
  2. 2. Realme X2

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

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 K1, Realme X2, compared at the same storage capacity.
StorageK1Realme X2
64 GB Unknown 6 GB RAM
128 GB Unknown 6 / 8 GB RAM Alternative RAM configurations
256 GB Unknown 8 GB RAM
K1: Original memory entry

64 GB · 4/6 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. K1

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

2. Realme X2

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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. K1

    3600 mAh

  2. 2. Realme X2

    4000 mAh

    +400 mAh versus K1

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. K12. Realme X2

Everyday essentials
Everyday essentials — specifications for K1, Realme X2.
SpecificationK1Realme X2
Dimensions (HxWxD)
  • 158.3 Х 75.5 Х 7.4 mm
  • 158.7 Х 75.2 Х 8.6 mm
Weight
  • 156 g
  • 182 g
Technology
  • Super AMOLED
  • Super AMOLED
Screen size
  • 6.4" inch
  • 6.4" inch
Screen resolution
  • 1080 x 2340 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 GB
  • 4/6 GB RAM
  • 64GB 6GB RAM
  • 128GB 6GB RAM
  • 128GB 8GB RAM
  • 256GB 8GB RAM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3600 mAh
  • Non-removable Li-Ion
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 8.1 (Oreo); ColorOS 5.2
  • Android 9.0 (Pie)
  • planned upgrade to Android 10.0; ColorOS 6
Chipset
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
  • Qualcomm SDM730 Snapdragon 730G (8 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for K1, Realme X2.
SpecificationK1Realme X2
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 101.0 cm2
  • 100.5 cm2
Screen format
  • 19.5:9 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 84.5%
  • 84.3%
PPI /points per inch/
  • 402 PPI
  • 403 PPI
Screen protection
  • Corning Gorilla Glass 5
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for K1, Realme X2.
SpecificationK1Realme X2
Rear camera, main
  • 16 MP
  • Dual
  • 64 MP
  • Quad
Camera specs
  • 16 MP
  • f/1.8
  • 1/2.8"
  • 1.12µm
  • PDAF -2 MP
  • f/2.4
  • depth sensor
  • 64 MP
  • f/1.8
  • (wide)
  • 1/1.7''
  • 0.8µm
  • PDAF -8 MP
  • f/2.3
  • 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
  • 32 MP
  • Single
Specifications
  • 25 MP
  • f/2.0
  • 1/2.8''
  • 0.9μm
  • 32 MP
  • f/2.0
Performance

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

Performance — specifications for K1, Realme X2.
SpecificationK1Realme X2
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 *
  • 140322
Unknown
General specs
General specs — specifications for K1, Realme X2.
SpecificationK1Realme X2
Release date
  • 2018
  • October
  • 2019
  • September
Colors
  • Blue
  • Red
  • Silver Green
  • Pearl White
  • Pearl Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 210 EUR
  • 210 EUR
Body build Unknown
  • Front/back glass (Gorilla Glass 5)
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for K1, Realme X2.
SpecificationK1Realme X2
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 / 1900 / 2100 -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)
  • 4(1700/2100)
  • 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 42.2/11.5 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
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for K1, Realme X2.
SpecificationK1Realme X2
Radio
  • No
  • FM radio
Others
  • Active noise cancellation with dedicated mic
  • Dolby Atmos
Other features
Other features — specifications for K1, Realme X2.
SpecificationK1Realme X2
Dop
  • Sensors Fingerprint (under display)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 5V/2A 10W
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 30W: 67% in 30 min (VOOC Flash Charge 3.0)