BlackBerry Key2 vs ZTE nubia Z17s

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.

  • Screen diagonal

    Key2: 1.23 in smaller diagonal

    Key2:
    4.5 in
    nubia Z17s:
    5.73 in
  • Chipset

    Key2:
    Qualcomm SDM660 Snapdragon 660 (14 nm)
    nubia Z17s:
    Qualcomm MSM8998 Snapdragon 835 (10 nm)
  • Height

    nubia Z17s: 3.9 mm shorter

    Key2:
    151.4 mm
    nubia Z17s:
    147.5 mm
  • Release year

    Key2:
    2018
    nubia Z17s:
    2017

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. Key2

    Height:
    151.4 mm +3.9 mm versus nubia Z17s
    Width:
    71.8 mm
    Depth:
    8.5 mm
  2. 2. nubia Z17s

    Height:
    147.5 mm
    Width:
    72.7 mm
    Depth:
    8.5 mm

Weight

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

  1. 1. Key2

    168 g

  2. 2. nubia Z17s

    170 g

    +2 g versus Key2

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. Key2

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    60.3 cm²
  2. 2. nubia Z17s

    Screen diagonal:
    5.73 in
    Aspect ratio (height:width):
    17:9
    Approximate rectangular screen area:
    87.6 cm²

nubia Z17s has approximately 45.3% more rectangular screen area than Key2.

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 Key2, nubia Z17s, compared at the same storage capacity.
StorageKey2nubia Z17s
64 GB 6 GB RAM Unknown
128 GB 6 GB RAM Unknown
nubia Z17s: Original memory entry

128 GB · 8 GB RAM (Aurora Blue) 64 GB · 6 GB RAM (Black Gold)

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. Key2

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

2. nubia Z17s

NFC:
Yes
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. Key2

    3500 mAh

    +400 mAh versus nubia Z17s

  2. 2. nubia Z17s

    3100 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. Key22. nubia Z17s

Everyday essentials
Everyday essentials — specifications for Key2, nubia Z17s.
SpecificationKey2nubia Z17s
Dimensions (HxWxD)
  • 151.4 Х 71.8 Х 8.5 mm
  • 147.5 Х 72.7 Х 8.5 mm
Weight
  • 168 g
  • 170 g
Technology
  • IPS LCD
  • LTPS IPS LCD
Screen size
  • 4.5" inch
  • 5.73" inch
Screen resolution
  • 1080 x 1620 px
  • 1080 x 2040 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64/128 GB
  • 6 GB RAM
  • 128 GB
  • 8 GB RAM (Aurora Blue) 64 GB
  • 6 GB RAM (Black Gold)
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
  • 3100 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 8.1 (Oreo)
  • Android 7.1.1 (Nougat); nubia UI 5.1
Chipset
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
  • Qualcomm MSM8998 Snapdragon 835 (10 nm)
NFC
  • Yes
  • Yes
Headphone jack
  • Yes
  • No
Display
Display — specifications for Key2, nubia Z17s.
SpecificationKey2nubia Z17s
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 60.0 cm2
  • 87.6 cm2
Screen format
  • 3:2 (height:width)
  • 17:9 (height:width)
Screen to body ratio
  • 55.2%
  • 81.7%
PPI /points per inch/
  • 434 PPI
  • 403 PPI
Screen protection
  • Corning Gorilla Glass 3
  • Corning Gorilla Glass (unspecified version)
Camera and Video
Camera and Video — specifications for Key2, nubia Z17s.
SpecificationKey2nubia Z17s
Rear camera, main
  • 12 MP
  • Dual
  • 12 MP
  • Dual
Camera specs
  • 12 MP
  • f/1.8
  • 1/2.3''
  • 1.28µm
  • dual pixel PDAF -12 MP
  • f/2.6
  • 1/3.4''
  • 1.0µm
  • PDAF
  • 12 MP
  • f/1.8
  • 1/2.55''
  • 1.4µm
  • PDAF -23 MP
  • f/2.0
  • AF
  • 2x lossless zoom
Functions
  • Dual-LED dual-tone flash
  • HDR
  • panorama
  • Dual-LED dual-tone flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 8 MP
  • f/2.0
  • 1/4''
  • 1.12µm
  • 5 MP
  • f/2.2 5 MP
Performance

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

Performance — specifications for Key2, nubia Z17s.
SpecificationKey2nubia Z17s
Processor CPU
  • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
  • Octa-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo)
Graphics processor GPU
  • Adreno 512
  • Adreno 540
Antutu 7 score *
  • 104256
Unknown
GeekBench 4 Single Core *
  • 1628
  • 1922
GeekBench 4 Multi-Core *
  • 5894
  • 6438
GeekBench 4 RenderScript * Unknown
  • 7822
GeekBench 5 Single Core * Unknown
  • 288
GeekBench 5 Multi-Core * Unknown
  • 1220
General specs
General specs — specifications for Key2, nubia Z17s.
SpecificationKey2nubia Z17s
Release date
  • 2018
  • June
  • 2017
  • October
Colors
  • Black
  • Silver
  • Aurora Blue
  • Black Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 500 EUR
  • 360 EUR
Body build
  • aluminum frame (7000 series)
  • plastic back
  • Front/back glass
  • metal frame
Communication and Connectivity
Communication and Connectivity — specifications for Key2, nubia Z17s.
SpecificationKey2nubia Z17s
SIM card
  • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
  • dual stand-by) - BBF100-6 only
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (BBF100-6 model 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)
  • 12(700)
  • 13(700)
  • 17(700)
  • 19(800)
  • 20(800)
  • 26(850)
  • 28(700)
  • 32(1500)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) - EU
  • Africa
  • AU (BBF100-1) LTE band 1(2100)
  • 14(700)
  • 29(700)
  • 30(2300)
  • 41(2500)
  • 66(1700/2100) - Canada
  • US
  • LATAM (BBF100-2) LTE band 1(2100)
  • 41(2500) - ME
  • APAC
  • India (BBF100-6) LTE band 1(2100)
  • 41(2500) - China (BBF100-4)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA - China -3G - HSDPA 850 / 900 / 1900 / 2100 - Europe
  • China CDMA2000 1xEV-DO - China -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 20(800)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) - China LTE band 1(2100)
  • 20(800) - Europe
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat11 600/75 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat9 450/50 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 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS2
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • 3.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 5.0
  • A2DP
  • LE
  • EDR
  • 4.1
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 0.72 W/kg (head) 1.68 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Key2, nubia Z17s.
SpecificationKey2nubia Z17s
Radio
  • FM radio
  • No
Others
  • Active noise cancellation with dedicated mic
  • DTS HD sound -32-bit/384kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for Key2, nubia Z17s.
SpecificationKey2nubia Z17s
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: BBF100-1 (EU
  • Africa
  • AU); BBF100-2 (Canada
  • US
  • LATAM); BBF100-6 (ME
  • APAC
  • India); BBF100-4 (China) Also known as BlackBerry Athena
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging (26W): 50% in 25 min (Quick Charge 4.0)