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Oppo K1 vs ZTE Open

Compare recorded specifications, size and practical differences.

+ Add a third phone

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

    K1:
    75.5 mm
    Open:
    62 mm
  • Screen diagonal

    Open: 2.9 in smaller diagonal

    K1:
    6.4 in
    Open:
    3.5 in
  • Chipset

    K1:
    Qualcomm SDM660 Snapdragon 660 (14 nm)
    Open:
    Qualcomm MSM7225A Snapdragon S1
  • Rear camera layout

    K1:
    Dual
    Open:
    Single
  • Depth

    K1: 5.1 mm thinner

    K1:
    7.4 mm
    Open:
    12.5 mm
  • Height

    Open: 44.3 mm shorter

    K1:
    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. K1

    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 K1
    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. K1

    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

K1 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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

K1: Original memory entry

64 GB · 4/6 GB RAM

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. K1

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

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. K1

    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. K12. Open

Everyday essentials
Everyday essentials — specifications for K1, Open.
SpecificationK1Open
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.
  • 64 GB
  • 4/6 GB RAM
  • 512 MB ROM
  • 256 MB RAM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • 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 K1, Open.
SpecificationK1Open
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 K1, Open.
SpecificationK1Open
Rear camera, main
  • 16 MP
  • Dual
  • 3.15 MP
  • Single
Camera specs
  • 16 MP
  • f/1.8
  • 1/2.8"
  • 1.12µm
  • PDAF -2 MP
  • f/2.4
  • 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 K1, Open.
SpecificationK1Open
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 *
  • 140322
  • 1456
General specs
General specs — specifications for K1, Open.
SpecificationK1Open
Release date
  • 2018
  • October
  • 2013
  • February
Colors
  • Blue
  • Red
  • Silver Green
  • Blue
  • Orange
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 210 EUR
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for K1, Open.
SpecificationK1Open
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 / 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
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 K1, Open.
SpecificationK1Open
Radio
  • No
  • Stereo FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for K1, Open.
SpecificationK1Open
Dop
  • Sensors Fingerprint (under display)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 5V/2A 10W
  • Sensors Accelerometer
  • proximity - MP3/eAAC+/WAV/WMA player -MP4/H.264/WMV player -Document viewer -Photo viewer -Organizer -Voice memo/dial -Predictive text input