BlackBerry Key2 vs Xiaomi Redmi Y3

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: 12 g lighter

    Key2:
    168 g
    Redmi Y3:
    180 g
  • Width

    Key2: 3.8 mm narrower

    Key2:
    71.8 mm
    Redmi Y3:
    75.6 mm
  • Screen diagonal

    Key2: 1.76 in smaller diagonal

    Key2:
    4.5 in
    Redmi Y3:
    6.26 in
  • Chipset

    Key2:
    Qualcomm SDM660 Snapdragon 660 (14 nm)
    Redmi Y3:
    Qualcomm SDM632 Snapdragon 632 (14 nm)
  • Height

    Key2: 7.3 mm shorter

    Key2:
    151.4 mm
    Redmi Y3:
    158.7 mm
  • Release year

    Key2:
    2018
    Redmi Y3:
    2019

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
  2. 2. Redmi Y3

    Height:
    158.7 mm +7.3 mm versus Key2
    Width:
    75.6 mm +3.8 mm versus Key2
    Depth:
    8.5 mm

Weight

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

  1. 1. Key2

    168 g

  2. 2. Redmi Y3

    180 g

    +12 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. Redmi Y3

    Screen diagonal:
    6.26 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    97.8 cm²

Redmi Y3 has approximately 62.2% 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, Redmi Y3, compared at the same storage capacity.
StorageKey2Redmi Y3
64 GB 6 GB RAM Unknown
128 GB 6 GB RAM Unknown
Redmi Y3: Original memory entry

64 GB · 4 GB RAM 32 GB · 3 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. Redmi Y3

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 512 GB (dedicated 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

    3500 mAh

  2. 2. Redmi Y3

    4000 mAh

    +500 mAh versus Key2

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. Redmi Y3

Everyday essentials
Everyday essentials — specifications for Key2, Redmi Y3.
SpecificationKey2Redmi Y3
Dimensions (HxWxD)
  • 151.4 Х 71.8 Х 8.5 mm
  • 158.7 Х 75.6 Х 8.5 mm
Weight
  • 168 g
  • 180 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 4.5" inch
  • 6.26" inch
Screen resolution
  • 1080 x 1620 px
  • 720 x 1520 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 GB
  • 4 GB RAM 32 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 256 GB
  • microSD
  • up to 512 GB (dedicated slot)
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 8.1 (Oreo)
  • Android 9.0 (Pie); MIUI 9
Chipset
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
  • Qualcomm SDM632 Snapdragon 632 (14 nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Key2, Redmi Y3.
SpecificationKey2Redmi Y3
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 60.0 cm2
  • 97.8 cm2
Screen format
  • 3:2 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 55.2%
  • 81.5%
PPI /points per inch/
  • 434 PPI
  • 269 PPI
Screen protection
  • Corning Gorilla Glass 3
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for Key2, Redmi Y3.
SpecificationKey2Redmi Y3
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/2.2
  • 1.25µm
  • PDAF -2 MP
  • depth sensor
Functions
  • Dual-LED dual-tone flash
  • HDR
  • panorama
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 32 MP
  • Single
Specifications
  • 8 MP
  • f/2.0
  • 1/4''
  • 1.12µm
  • 32 MP
  • f/2.2
  • 0.8µm
Performance

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

Performance — specifications for Key2, Redmi Y3.
SpecificationKey2Redmi Y3
Processor CPU
  • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
  • Octa-core (4x1.8 GHz Kryo 250 Gold & 4x1.8 GHz Kryo 250 Silver)
Graphics processor GPU
  • Adreno 512
  • Adreno 506
Antutu 7 score *
  • 104256
  • 103602
GeekBench 4 Single Core *
  • 1628
  • 1236
GeekBench 4 Multi-Core *
  • 5894
  • 4213
GeekBench 5 Single Core * Unknown
  • 89
GeekBench 5 Multi-Core * Unknown
  • 545
General specs
General specs — specifications for Key2, Redmi Y3.
SpecificationKey2Redmi Y3
Release date
  • 2018
  • June
  • 2019
  • April
Colors
  • Black
  • Silver
  • Elegant Blue
  • Bold Red
  • Prime Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 500 EUR
  • 10000 INR
Body build
  • aluminum frame (7000 series)
  • plastic back
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Key2, Redmi Y3.
SpecificationKey2Redmi Y3
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 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 28(700)
  • 38(2600)
  • 40(2300)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat11 600/75 Mbps
  • HSPA
  • LTE-A
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
  • GALILEO
USB
  • 3.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 5.0
  • A2DP
  • LE
  • EDR
  • Yes
Harmful irradiation
  • SAR EU - 0.72 W/kg (head) 1.68 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Key2, Redmi Y3.
SpecificationKey2Redmi Y3
Radio
  • FM radio
  • FM radio
Others
  • Active noise cancellation with dedicated mic
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Key2, Redmi Y3.
SpecificationKey2Redmi Y3
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
  • Infrared port - Fast battery charging 10W - Splash resistant - For India