BlackBerry Key2 vs Xiaomi Mi Note 3

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

    Mi Note 3: 5 g lighter

    Key2:
    168 g
    Mi Note 3:
    163 g
  • Width

    Key2: 2.2 mm narrower

    Key2:
    71.8 mm
    Mi Note 3:
    74 mm
  • Screen diagonal

    Key2: 1 in smaller diagonal

    Key2:
    4.5 in
    Mi Note 3:
    5.5 in
  • Depth

    Mi Note 3: 0.9 mm thinner

    Key2:
    8.5 mm
    Mi Note 3:
    7.6 mm
  • Release year

    Key2:
    2018
    Mi Note 3:
    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
    Width:
    71.8 mm
    Depth:
    8.5 mm +0.9 mm versus Mi Note 3
  2. 2. Mi Note 3

    Height:
    152.6 mm
    Width:
    74 mm +2.2 mm versus Key2
    Depth:
    7.6 mm

Weight

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

  1. 1. Key2

    168 g

    +5 g versus Mi Note 3

  2. 2. Mi Note 3

    163 g

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. Mi Note 3

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²

Mi Note 3 has approximately 38.3% 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, Mi Note 3, compared at the same storage capacity.
StorageKey2Mi Note 3
64 GB Recorded for all phones 6 GB RAM 6 GB RAM
128 GB Recorded for all phones 6 GB RAM 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. Key2

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

2. Mi Note 3

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

  2. 2. Mi Note 3

    3500 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. Mi Note 3

Everyday essentials
Everyday essentials — specifications for Key2, Mi Note 3.
SpecificationKey2Mi Note 3
Dimensions (HxWxD)
  • 151.4 Х 71.8 Х 8.5 mm
  • 152.6 Х 74 Х 7.6 mm
Weight
  • 168 g
  • 163 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 4.5" inch
  • 5.5" inch
Screen resolution
  • 1080 x 1620 px
  • 1080 x 1920 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
  • 64/128 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
  • 3500 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 8.1 (Oreo)
  • Android 7.1 (Nougat); MIUI 10
Chipset
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
NFC
  • Yes
  • Yes
Headphone jack
  • Yes
  • No
Display
Display — specifications for Key2, Mi Note 3.
SpecificationKey2Mi Note 3
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 60.0 cm2
  • 83.4 cm2
Screen format
  • 3:2 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 55.2%
  • 73.8%
PPI /points per inch/
  • 434 PPI
  • 401 PPI
Screen protection
  • Corning Gorilla Glass 3
  • Corning Gorilla Glass 4
Camera and Video

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

Camera and Video — specifications for Key2, Mi Note 3.
SpecificationKey2Mi Note 3
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
  • 27mm (wide)
  • 4-axis OIS
  • PDAF -12 MP
  • f/2.6
  • 52mm (telephoto)
  • AF
  • 2x optical 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
  • 16 MP
  • Single
Specifications
  • 8 MP
  • f/2.0
  • 1/4''
  • 1.12µm
  • 16 MP
  • 1.0µm
DxOMark Main Score * Unknown
  • 90
DxOMark Photo * Unknown
  • 94
DxOMark Video * Unknown
  • 82
Performance

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

Performance — specifications for Key2, Mi Note 3.
SpecificationKey2Mi Note 3
Processor CPU
  • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
  • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
Graphics processor GPU
  • Adreno 512
  • Adreno 512
Antutu 7 score *
  • 104256
  • 139785
GeekBench 4 Single Core *
  • 1628
  • 1588
GeekBench 4 Multi-Core *
  • 5894
  • 5629
GeekBench 4 RenderScript * Unknown
  • 5365
GeekBench 5 Single Core * Unknown
  • 331
GeekBench 5 Multi-Core * Unknown
  • 1388
General specs
General specs — specifications for Key2, Mi Note 3.
SpecificationKey2Mi Note 3
Release date
  • 2018
  • June
  • 2017
  • September
Colors
  • Black
  • Silver
  • Black
  • Blue (128/6 only)
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 500 EUR
  • 280 EUR
Body build
  • aluminum frame (7000 series)
  • plastic back
  • Front/back glass & aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for Key2, Mi Note 3.
SpecificationKey2Mi Note 3
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 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 CDMA2000 1xEV-DO -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat11 600/75 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 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
  • WiFi Direct
  • 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
Bluetooth
  • 5.0
  • A2DP
  • LE
  • EDR
  • 5.0
  • 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, Mi Note 3.
SpecificationKey2Mi Note 3
Radio
  • FM radio
  • No
Others
  • Active noise cancellation with dedicated mic
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for Key2, Mi Note 3.
SpecificationKey2Mi Note 3
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 (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • barometer
  • Infrared port - Fast battery charging (Quick Charge 3.0)