Lenovo K9 vs ZTE nubia Red Magic

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.

  • Weight

    K9: 30 g lighter

    K9:
    155 g
    nubia Red Magic:
    185 g
  • Width

    K9: 2 mm narrower

    K9:
    72.9 mm
    nubia Red Magic:
    74.9 mm
  • Screen diagonal

    K9: 0.3 in smaller diagonal

    K9:
    5.7 in
    nubia Red Magic:
    6 in
  • Chipset

    K9:
    Mediatek MT6762 Helio P22 (12 nm)
    nubia Red Magic:
    Qualcomm MSM8998 Snapdragon 835 (10 nm)
  • Rear camera layout

    K9:
    Dual
    nubia Red Magic:
    Single
  • Depth

    K9: 1.5 mm thinner

    K9:
    8 mm
    nubia Red Magic:
    9.5 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. K9

    Height:
    153.8 mm
    Width:
    72.9 mm
    Depth:
    8 mm
  2. 2. nubia Red Magic

    Height:
    158.1 mm +4.3 mm versus K9
    Width:
    74.9 mm +2 mm versus K9
    Depth:
    9.5 mm +1.5 mm versus K9

Weight

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

  1. 1. K9

    155 g

  2. 2. nubia Red Magic

    185 g

    +30 g versus K9

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. K9

    Screen diagonal:
    5.7 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    83.8 cm²
  2. 2. nubia Red Magic

    Screen diagonal:
    6 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    92.9 cm²

nubia Red Magic has approximately 10.8% more rectangular screen area than K9.

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 K9, nubia Red Magic, compared at the same storage capacity.
StorageK9nubia Red Magic
32 GB 3 GB RAM Unknown
nubia Red Magic: Original memory entry

128 GB · 8 GB RAM 64 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. K9

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

2. nubia Red Magic

NFC:
Unknown
Headphone jack:
Yes
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. K9

    3000 mAh

  2. 2. nubia Red Magic

    3800 mAh

    +800 mAh versus K9

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. K92. nubia Red Magic

Everyday essentials
Everyday essentials — specifications for K9, nubia Red Magic.
SpecificationK9nubia Red Magic
Dimensions (HxWxD)
  • 153.8 Х 72.9 Х 8 mm
  • 158.1 Х 74.9 Х 9.5 mm
Weight
  • 155 g
  • 185 g
Technology
  • IPS LCD
  • LTPS IPS LCD
Screen size
  • 5.7" inch
  • 6" inch
Screen resolution
  • 720 x 1440 px
  • 1080 x 2160 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 3 GB RAM
  • 128 GB
  • 8 GB RAM 64 GB
  • 6 GB RAM
Memory card support
  • microSD
  • up to 256 GB (uses shared SIM slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Ion
  • 3800 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 8.1 (Oreo)
  • Android 8.1 (Oreo); nubia Red Magic UI
Chipset
  • Mediatek MT6762 Helio P22 (12 nm)
  • Qualcomm MSM8998 Snapdragon 835 (10 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for K9, nubia Red Magic.
SpecificationK9nubia Red Magic
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.8 cm2
  • 92.9 cm2
Screen format
  • 18:9 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 74.8%
  • 78.5%
PPI /points per inch/
  • 282 PPI
  • 402 PPI
Screen protection Unknown
  • Dinorex T2X-1 scratch/shock resistant glass
Camera and Video
Camera and Video — specifications for K9, nubia Red Magic.
SpecificationK9nubia Red Magic
Rear camera, main
  • 13 MP
  • Dual
  • 24 MP
  • Single
Camera specs
  • 13 MP
  • f/2.2
  • 1/3''
  • 1.12µm
  • PDAF -5 MP
  • f/2.4
  • depth sensor
  • 24 MP
  • f/1.7
  • PDAF
Functions
  • LED flash
  • LED flash
  • HDR
  • panorama
Video
  • 1080p@30/60fps
  • 1080p@30fps
Front camera, selfie
  • 13 MP
  • Dual
  • 8 MP
  • Single
Specifications
  • 13 MP
  • f/2.2
  • 1/3''
  • 1.12µm
  • PDAF 5 MP
  • f/2.4
  • depth sensor
  • 8 MP
  • f/2.0
Performance

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

Performance — specifications for K9, nubia Red Magic.
SpecificationK9nubia Red Magic
Processor CPU
  • Octa-core 2.0 GHz Cortex-A53
  • Octa-core (4x2.35 GHz Kryo & 4x1.9 GHz Kryo)
Graphics processor GPU
  • PowerVR GE8320
  • Adreno 540
Antutu 7 score *
  • 75320
Unknown
General specs
General specs — specifications for K9, nubia Red Magic.
SpecificationK9nubia Red Magic
Release date
  • 2018
  • October
  • 2018
  • April
Colors
  • Black
  • Blue
  • Black
  • Red
  • Flame red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 9000 INR
  • 400 EUR
Body build Unknown
  • Front glass
  • aluminum body
Communication and Connectivity
Communication and Connectivity — specifications for K9, nubia Red Magic.
SpecificationK9nubia Red Magic
SIM card
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 38(2600)
  • 40(2300)
  • 41(2500)
  • 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)
  • 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 Cat6 300/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (5CA) Cat16 1024/150 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 4.1
  • A2DP
  • LE
  • 5.0
  • A2DP
  • aptX
  • LE
Music and Audio
Music and Audio — specifications for K9, nubia Red Magic.
SpecificationK9nubia Red Magic
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 K9, nubia Red Magic.
SpecificationK9nubia Red Magic
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity - Fast battery charging 2A/5V 10W - For India
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging - RGB light panel (on the back)