BlackBerry KEY2 LE vs Xiaomi Redmi Note 4

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

    KEY2 LE: 9 g lighter

    KEY2 LE:
    156 g
    Redmi Note 4:
    165 g
  • Width

    KEY2 LE: 4.2 mm narrower

    KEY2 LE:
    71.8 mm
    Redmi Note 4:
    76 mm
  • Screen diagonal

    KEY2 LE: 1 in smaller diagonal

    KEY2 LE:
    4.5 in
    Redmi Note 4:
    5.5 in
  • Chipset

    KEY2 LE:
    Qualcomm SDM636 Snapdragon 636 (14 nm)
    Redmi Note 4:
    Qualcomm MSM8953 Snapdragon 625 (14 nm)
  • Rear camera layout

    KEY2 LE:
    Dual
    Redmi Note 4:
    Single
  • Release year

    KEY2 LE:
    2018
    Redmi Note 4:
    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 LE

    Height:
    150.3 mm
    Width:
    71.8 mm
    Depth:
    8.4 mm
  2. 2. Redmi Note 4

    Height:
    151 mm
    Width:
    76 mm +4.2 mm versus KEY2 LE
    Depth:
    8.5 mm

Weight

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

  1. 1. KEY2 LE

    156 g

  2. 2. Redmi Note 4

    165 g

    +9 g versus KEY2 LE

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 LE

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    60.3 cm²
  2. 2. Redmi Note 4

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

Redmi Note 4 has approximately 38.3% more rectangular screen area than KEY2 LE.

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.

KEY2 LE: Original memory entry

32/64 GB · 512GB 4GB

Redmi Note 4: Original memory entry

64 GB · 4 GB RAM 32 GB · 3 GB RAM; 64 GB · 3 GB RAM (China only)

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 LE

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

2. Redmi Note 4

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 slot)

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 LE

    3000 mAh

  2. 2. Redmi Note 4

    4100 mAh

    +1100 mAh versus KEY2 LE

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. KEY2 LE2. Redmi Note 4

Everyday essentials
Everyday essentials — specifications for KEY2 LE, Redmi Note 4.
SpecificationKEY2 LERedmi Note 4
Dimensions (HxWxD)
  • 150.3 Х 71.8 Х 8.4 mm
  • 151 Х 76 Х 8.5 mm
Weight
  • 156 g
  • 165 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.
  • 32/64 GB
  • 512GB 4GB
  • 64 GB
  • 4 GB RAM 32 GB
  • 3 GB RAM; 64 GB
  • 3 GB RAM (China only)
Memory card support
  • microSD
  • up to 256 GB
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Ion
  • 4100 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 8.1 (Oreo)
  • Android 6.0 (Marshmallow)
  • upgradable to 7.0 (Nougat); MIUI 10
Chipset
  • Qualcomm SDM636 Snapdragon 636 (14 nm)
  • Qualcomm MSM8953 Snapdragon 625 (14 nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for KEY2 LE, Redmi Note 4.
SpecificationKEY2 LERedmi Note 4
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
  • 55.6%
  • 72.7%
PPI /points per inch/
  • 434 PPI
  • 401 PPI
Screen protection
  • Corning Gorilla Glass (unspecified version)
Unknown
Camera and Video
Camera and Video — specifications for KEY2 LE, Redmi Note 4.
SpecificationKEY2 LERedmi Note 4
Rear camera, main
  • 13 MP
  • Dual
  • 13 MP
  • Single
Camera specs
  • 13 MP
  • f/2.2
  • 1/3.1''
  • 1.12µm
  • PDAF -5 MP
  • f/2.4
  • depth sensor
  • 13 MP
  • f/2.0
  • 1.12µm
  • PDAF
Functions
  • Dual-LED dual-tone flash
  • HDR
  • panorama
  • Dual-LED dual-tone flash
  • panorama
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 8 MP
  • 5 MP
  • f/2.0
Performance

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

Performance — specifications for KEY2 LE, Redmi Note 4.
SpecificationKEY2 LERedmi Note 4
Processor CPU
  • Octa-core 1.8 GHz Kryo 260
  • Octa-core 2.0 GHz Cortex-A53
Graphics processor GPU
  • Adreno 509
  • Adreno 506
Antutu 7 score *
  • 115692
  • 76000
GeekBench 4 Single Core * Unknown
  • 1475
GeekBench 4 Multi-Core * Unknown
  • 4010
GeekBench 4 RenderScript * Unknown
  • 3151
Antutu 8 score * Unknown
  • 102376
GeekBench 5 Single Core * Unknown
  • 171
GeekBench 5 Multi-Core * Unknown
  • 917
General specs
General specs — specifications for KEY2 LE, Redmi Note 4.
SpecificationKEY2 LERedmi Note 4
Release date
  • 2018
  • August
  • 2017
  • January
Colors
  • Slate
  • Champagne
  • Atomic
  • Dark Gray
  • Gold
  • Black
  • Lake Blue (64/4GB model)
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 330 EUR
  • 150 EUR
Body build
  • aluminum frame
  • plastic back
  • Front glass
  • aluminum body
Communication and Connectivity
Communication and Connectivity — specifications for KEY2 LE, Redmi Note 4.
SpecificationKEY2 LERedmi Note 4
SIM card
  • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
  • dual stand-by)
  • Hybrid Dual SIM (Micro-SIM/Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM 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)
  • 17(700)
  • 19(800)
  • 20(800)
  • 26(850)
  • 28(700)
  • 32(1500)
  • 38(2600)
  • 40(2300)
  • 41(2500) - BBE100-1
  • BBE100-4 DS (EU
  • Africa
  • AU) LTE band 1(2100)
  • 13(700)
  • 29(700)
  • 66(1700/2100)
  • 39(1900)
  • 41(2500) - BBE100-2
  • BBE100-5 DS (NA
  • LATAM)
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 38(2600)
  • 40(2300)
Speed
  • HSPA
  • LTE-A
  • 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 а/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 a/b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 5.0
  • A2DP
  • LE
  • EDR
  • 4.1
  • A2DP
  • LE
Harmful irradiation
  • SAR - 1.01 W/kg (head) 1.17 W/kg (body) SAR EU - 0.78 W/kg (head) 1.61 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for KEY2 LE, Redmi Note 4.
SpecificationKEY2 LERedmi Note 4
Radio
  • FM radio
  • FM radio
Others
  • Active noise cancellation with dedicated mic
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for KEY2 LE, Redmi Note 4.
SpecificationKEY2 LERedmi Note 4
Dop
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • proximity
  • compass - Capacitive touch 4-row BlackBerry keyboard - Versions: BBE100-1
  • BBE100-4 DS (EU
  • Africa
  • AU); BBE100-2
  • BBE100-5 DS (NA
  • LATAM)
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - For Global market. Also known as Xiaomi Redmi Note 4x Global.