BlackBerry Keyone vs ZTE nubia Z20

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

    Keyone:
    LCD
    nubia Z20:
    OLED
  • Weight

    Keyone: 6 g lighter

    Keyone:
    180 g
    nubia Z20:
    186 g
  • Width

    Keyone: 2.8 mm narrower

    Keyone:
    72.4 mm
    nubia Z20:
    75.2 mm
  • Screen diagonal

    Keyone: 1.92 in smaller diagonal

    Keyone:
    4.5 in
    nubia Z20:
    6.42 in
  • Chipset

    Keyone:
    Qualcomm MSM8953 Snapdragon 625 (14 nm)
    nubia Z20:
    Qualcomm SDM855 Snapdragon 855+ (7 nm)
  • Rear camera layout

    Keyone:
    Single
    nubia Z20:
    Triple

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. Keyone

    Height:
    149.1 mm
    Width:
    72.4 mm
    Depth:
    9.4 mm
  2. 2. nubia Z20

    Height:
    158.6 mm +9.5 mm versus Keyone
    Width:
    75.2 mm +2.8 mm versus Keyone
    Depth:
    9.2 mm

Weight

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

  1. 1. Keyone

    180 g

  2. 2. nubia Z20

    186 g

    +6 g versus Keyone

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. Keyone

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    60.3 cm²
  2. 2. nubia Z20

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

nubia Z20 has approximately 67.8% more rectangular screen area than Keyone.

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.

Keyone: Original memory entry

64 GB · 4 GB RAM 32 GB · 3 GB RAM

nubia Z20: Original memory entry

128/512 GB · 8 GB RAM 128 GB · 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. Keyone

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

2. nubia Z20

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

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. Keyone

    3500 mAh

  2. 2. nubia Z20

    4000 mAh

    +500 mAh versus Keyone

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. Keyone2. nubia Z20

Everyday essentials
Everyday essentials — specifications for Keyone, nubia Z20.
SpecificationKeyonenubia Z20
Dimensions (HxWxD)
  • 149.1 Х 72.4 Х 9.4 mm
  • 158.6 Х 75.2 Х 9.2 mm
Weight
  • 180 g
  • 186 g
Technology
  • IPS LCD
  • AMOLED
Screen size
  • 4.5" inch
  • 6.42" inch
Screen resolution
  • 1080 x 1620 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 GB RAM 32 GB
  • 3 GB RAM
  • 128/512 GB
  • 8 GB RAM 128 GB
  • 6 GB RAM
Memory card support
  • microSD
  • up to 256 GB
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 3500 mAh
  • Non-removable Li-Ion
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 7.1 (Nougat)
  • upgradable to Android 8.0 (Oreo)
  • Android 9.0 (Pie); Nubia UI 7
Chipset
  • Qualcomm MSM8953 Snapdragon 625 (14 nm)
  • Qualcomm SDM855 Snapdragon 855+ (7 nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for Keyone, nubia Z20.
SpecificationKeyonenubia Z20
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 60.0 cm2
  • 101.2 cm2
Screen format
  • 3:2 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 55.6%
  • 84.8%
PPI /points per inch/
  • 434 PPI
  • 401 PPI
Screen protection
  • Corning Gorilla Glass 4
  • Corning Gorilla Glass (unspecified)
Camera and Video
Camera and Video — specifications for Keyone, nubia Z20.
SpecificationKeyonenubia Z20
Rear camera, main
  • 12 MP
  • Single
  • 48 MP
  • Triple
Camera specs
  • 12 MP
  • f/2.0
  • 1/2.3''
  • 1.55µm
  • PDAF
  • 48 MP
  • f/1.7
  • 26mm (wide)
  • 1/2''
  • 0.8µm
  • PDAF
  • OIS -8 MP (telephoto)
  • 3x optical zoom -16 MP
  • 12mm (ultrawide)
Functions
  • Dual-LED dual-tone flash
  • HDR
  • panorama
  • Dual-LED dual-tone flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 4320@15fps
  • 2160p@30/60fps
  • 1080p@30/60fps
  • 720p@1920fps
Front camera, selfie
  • 8 MP
  • Single
  • 48 MP
  • Triple
Specifications
  • 8 MP
  • f/2.2
  • 1/4''
  • 1.12µm
  • Uses main cameras
Performance

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

Performance — specifications for Keyone, nubia Z20.
SpecificationKeyonenubia Z20
Processor CPU
  • Octa-core 2.0 GHz Cortex-A53
  • Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.8 GHz Kryo 485)
Graphics processor GPU
  • Adreno 506
  • Adreno 640 (700 MHz)
Antutu 7 score *
  • 61392
Unknown
General specs
General specs — specifications for Keyone, nubia Z20.
SpecificationKeyonenubia Z20
Release date
  • 2017
  • February
  • 2019
  • August
Colors
  • Black/Silver
  • Black
  • Bronze
  • Black
  • Blue
  • Red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 290 EUR
  • 450 EUR
Body build
  • aluminum frame
  • plastic back
  • Front/back glass
  • aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for Keyone, nubia Z20.
SpecificationKeyonenubia Z20
SIM card
  • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
  • dual stand-by) - BBB100-4 only
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (BBB100-4 only) -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 13(700)
  • 17(700)
  • 20(800)
  • 28(700)
  • 38(2600)
  • 40(2300)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1900 / 2100 CDMA2000 1xEV-DO -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A Cat9 450/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (6CA) Cat18 1200/150 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS2
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • BDS
USB
  • 3.1
  • Type-C 1.0 reversible connector
  • USB On-The-Go
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 4.2
  • A2DP
  • LE
  • EDR
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Keyone, nubia Z20.
SpecificationKeyonenubia Z20
Radio
  • FM radio
  • No
Others
  • Active noise cancellation with dedicated mic
  • HDR10 -Secondary display (on the back): AMOLED
  • 5.1 inches
  • 1080 x 2340 pixels
  • Corning Gorilla Glass 3
  • DTS HD sound -32-bit/384kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for Keyone, nubia Z20.
SpecificationKeyonenubia Z20
Dop
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging: 50% in 36 min (Quick Charge 3.0) - Capacitive touch 4-row BlackBerry keyboard - Versions: BBB100-1 (Canada
  • LATAM
  • APAC
  • US V1); BBB100-2 (EMEA); BBB100-3 (US V2); BBB100-4 (India); BBB100-6 (Japan)Also known as BlackBerry Mercury
  • Sensors Dual fingerprint (side-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 27W - USB Power Delivery 2.0