Oppo R15x vs ZTE Nubia X6

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
    Nubia X6:
    LCD
  • Weight

    R15x: 59 g lighter

    R15x:
    156 g
    Nubia X6:
    215 g
  • Width

    R15x: 13.5 mm narrower

    R15x:
    75.5 mm
    Nubia X6:
    89 mm
  • Rear camera layout

    R15x:
    Dual
    Nubia X6:
    Single
  • Depth

    R15x: 0.5 mm thinner

    R15x:
    7.4 mm
    Nubia X6:
    7.9 mm
  • Height

    R15x: 21.2 mm shorter

    R15x:
    158.3 mm
    Nubia X6:
    179.5 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
    Width:
    75.5 mm
    Depth:
    7.4 mm
  2. 2. Nubia X6

    Height:
    179.5 mm +21.2 mm versus R15x
    Width:
    89 mm +13.5 mm versus R15x
    Depth:
    7.9 mm +0.5 mm versus R15x

Weight

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

  1. 1. R15x

    156 g

  2. 2. Nubia X6

    215 g

    +59 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. Nubia X6

    Screen diagonal:
    6.44 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    114.3 cm²

Nubia X6 has approximately 13.7% 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, Nubia X6, compared at the same storage capacity.
StorageR15xNubia X6
128 GB 6 GB RAM Unknown
Nubia X6: Original memory entry

32/64 GB · 2 GB RAM/ 128 GB · 3 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. Nubia X6

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 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. R15x

    3600 mAh

  2. 2. Nubia X6

    4250 mAh

    +650 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. Nubia X6

Everyday essentials
Everyday essentials — specifications for R15x, Nubia X6.
SpecificationR15xNubia X6
Dimensions (HxWxD)
  • 158.3 Х 75.5 Х 7.4 mm
  • 179.5 Х 89 Х 7.9 mm
Weight
  • 156 g
  • 215 g
Technology
  • Super AMOLED
  • IPS LCD
Screen size
  • 6.4" inch
  • 6.44" inch
Screen resolution
  • 1080 x 2340 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128 GB
  • 6 GB RAM
  • 32/64 GB
  • 2 GB RAM/ 128 GB
  • 3 GB RAM
Memory card support
  • No
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3600 mAh
  • Non-removable Li-Ion
  • 4250 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 8.1 (Oreo); ColorOS 5.2
  • Android 4.3 (Jelly Bean)
Chipset
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
  • Qualcomm MSM8974AB/ MSM8974AC Snapdragon 801 (28 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for R15x, Nubia X6.
SpecificationR15xNubia X6
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 101.0 cm2
  • 114.3 cm2
Screen format
  • 19.5:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 84.5%
  • 71.6%
PPI /points per inch/
  • 402 PPI
  • 342 PPI
Screen protection
  • Corning Gorilla Glass 5
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for R15x, Nubia X6.
SpecificationR15xNubia X6
Rear camera, main
  • 16 MP
  • Dual
  • 13 MP
  • Single
Camera specs
  • 16 MP
  • f/1.7
  • 1/2.8''
  • 1.12µm
  • PDAF -2 MP
  • depth sensor
  • 13 MP
  • OIS
  • AF
Functions
  • HDR
  • Dual-LED flash
  • panorama
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 25 MP
  • Single
  • 13 MP
  • Single
Specifications
  • 25 MP
  • f/2.0
  • 1/2.8''
  • 0.9μm
  • 13 MP
Performance

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

Performance — specifications for R15x, Nubia X6.
SpecificationR15xNubia X6
Processor CPU
  • Octa-core (4x2.0 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
  • Quad-core 2.3/2.5 GHz Krait 400
Graphics processor GPU
  • Adreno 512
  • Adreno 330
Antutu 7 score *
  • 143726
  • 38123
General specs
General specs — specifications for R15x, Nubia X6.
SpecificationR15xNubia X6
Release date
  • 2018
  • October
  • 2014
  • March
Colors
  • Nebula
  • Silver Green
  • White
  • Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 350 EUR
  • 350 EUR
Battery life Unknown
  • Stand by time- Up to 695 h Talking time- Up to 32 h (2G) / Up to 17 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for R15x, Nubia X6.
SpecificationR15xNubia X6
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM
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 -3G - HSDPA 850 / 1900 / 2100 CDMA2000 1xEV-DO -4G - LTE band 3(1800)
  • 7(2600) LTE band 38(2600)
  • 39(1900)
  • 40(2300)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
  • HSPA 42.2/11.5 Mbps
  • LTE Cat4 150/50 Mbps
  • EV-DO Rev.A 3.1 Mbps
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
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 3.0
  • USB Host
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for R15x, Nubia X6.
SpecificationR15xNubia X6
Radio
  • No
  • FM radio
Others
  • Active noise cancellation with dedicated mic
  • Dolby Mobile -Active noise cancellation with dedicated mic
Other features
Other features — specifications for R15x, Nubia X6.
SpecificationR15xNubia X6
Dop
  • Sensors Fingerprint (under display)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 5V/2A 10W - Incomplete preliminary specifications
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Versions: 32/64 GB
  • 2 GB RAM
  • MSM8974AB chipset
  • 2.3 GHz processor 128 GB
  • 3 GB RAM
  • MSM8974AC chipset
  • 2.5 GHz processor