Oppo R15x vs ZTE Open

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.

  • Width

    Open: 13.5 mm narrower

    R15x:
    75.5 mm
    Open:
    62 mm
  • Screen diagonal

    Open: 2.9 in smaller diagonal

    R15x:
    6.4 in
    Open:
    3.5 in
  • Chipset

    R15x:
    Qualcomm SDM660 Snapdragon 660 (14 nm)
    Open:
    Qualcomm MSM7225A Snapdragon S1
  • Rear camera layout

    R15x:
    Dual
    Open:
    Single
  • Depth

    R15x: 5.1 mm thinner

    R15x:
    7.4 mm
    Open:
    12.5 mm
  • Height

    Open: 44.3 mm shorter

    R15x:
    158.3 mm
    Open:
    114 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 +44.3 mm versus Open
    Width:
    75.5 mm +13.5 mm versus Open
    Depth:
    7.4 mm
    Weight:
    156 g
  2. 2. Open

    Height:
    114 mm
    Width:
    62 mm
    Depth:
    12.5 mm +5.1 mm versus R15x
    Weight:
    Unknown

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. Open

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 cm²

R15x has approximately 175.6% more rectangular screen area than Open.

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, Open, compared at the same storage capacity.
StorageR15xOpen
128 GB 6 GB RAM Unknown
Open: Original memory entry

512 MB ROM · 256 MB 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. Open

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot) · 2 GB included

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

    +2400 mAh versus Open

  2. 2. Open

    1200 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. Open

Everyday essentials
Everyday essentials — specifications for R15x, Open.
SpecificationR15xOpen
Dimensions (HxWxD)
  • 158.3 Х 75.5 Х 7.4 mm
  • 114 Х 62 Х 12.5 mm
Weight
  • 156 g
  • 0 g
Technology
  • Super AMOLED
  • TFT
Screen size
  • 6.4" inch
  • 3.5" inch
Screen resolution
  • 1080 x 2340 px
  • 320 x 480 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128 GB
  • 6 GB RAM
  • 512 MB ROM
  • 256 MB RAM
Memory card support
  • No
  • microSD
  • up to 32 GB (dedicated slot)
  • 2 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 3600 mAh
  • Non-removable Li-Ion
  • 1200 mAh
  • Removable Li-Ion
Operating system OS
  • Android 8.1 (Oreo); ColorOS 5.2
  • Firefox OS 1.0
Chipset
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
  • Qualcomm MSM7225A Snapdragon S1
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for R15x, Open.
SpecificationR15xOpen
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 101.0 cm2
  • 36.5 cm2
Screen format
  • 19.5:9 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 84.5%
  • 51.6%
PPI /points per inch/
  • 402 PPI
  • 165 PPI
Screen protection
  • Corning Gorilla Glass 5
Unknown
Camera and Video
Camera and Video — specifications for R15x, Open.
SpecificationR15xOpen
Rear camera, main
  • 16 MP
  • Dual
  • 3.15 MP
  • Single
Camera specs
  • 16 MP
  • f/1.7
  • 1/2.8''
  • 1.12µm
  • PDAF -2 MP
  • depth sensor
  • 3.15 MP
Functions
  • HDR
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 25 MP
  • Single
  • 0 MP,
Specifications
  • 25 MP
  • f/2.0
  • 1/2.8''
  • 0.9μm
Unknown
Performance

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

Performance — specifications for R15x, Open.
SpecificationR15xOpen
Processor CPU
  • Octa-core (4x2.0 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
  • 1.0 GHz Cortex-A5
Graphics processor GPU
  • Adreno 512
  • Adreno 200
Antutu 7 score *
  • 143726
  • 1456
General specs
General specs — specifications for R15x, Open.
SpecificationR15xOpen
Release date
  • 2018
  • October
  • 2013
  • February
Colors
  • Nebula
  • Silver Green
  • Blue
  • Orange
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 350 EUR
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for R15x, Open.
SpecificationR15xOpen
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Mini-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
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
  • HSPA 7.2/5.76 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 b/g/n
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 2.1
  • A2DP
  • EDR
Music and Audio
Music and Audio — specifications for R15x, Open.
SpecificationR15xOpen
Radio
  • No
  • Stereo FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for R15x, Open.
SpecificationR15xOpen
Dop
  • Sensors Fingerprint (under display)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 5V/2A 10W - Incomplete preliminary specifications
  • Sensors Accelerometer
  • proximity - MP3/eAAC+/WAV/WMA player -MP4/H.264/WMV player -Document viewer -Photo viewer -Organizer -Voice memo/dial -Predictive text input