BlackBerry Key2 vs Samsung Galaxy A9 Star

Compare recorded specifications, size and practical differences.

+ Add a third phone

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.

  • Display technology

    OLED versus LCD

    Key2:
    LCD
    Galaxy A9 Star:
    OLED
  • Weight

    Key2: 23 g lighter

    Key2:
    168 g
    Galaxy A9 Star:
    191 g
  • Width

    Key2: 5.2 mm narrower

    Key2:
    71.8 mm
    Galaxy A9 Star:
    77 mm
  • Screen diagonal

    Key2: 1.8 in smaller diagonal

    Key2:
    4.5 in
    Galaxy A9 Star:
    6.3 in
  • Depth

    Galaxy A9 Star: 0.9 mm thinner

    Key2:
    8.5 mm
    Galaxy A9 Star:
    7.6 mm
  • Height

    Key2: 11 mm shorter

    Key2:
    151.4 mm
    Galaxy A9 Star:
    162.4 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. Key2

    Height:
    151.4 mm
    Width:
    71.8 mm
    Depth:
    8.5 mm +0.9 mm versus Galaxy A9 Star
  2. 2. Galaxy A9 Star

    Height:
    162.4 mm +11 mm versus Key2
    Width:
    77 mm +5.2 mm versus Key2
    Depth:
    7.6 mm

Weight

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

  1. 1. Key2

    168 g

  2. 2. Galaxy A9 Star

    191 g

    +23 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. Galaxy A9 Star

    Screen diagonal:
    6.3 in
    Aspect ratio (height:width):
    18.5:9
    Approximate rectangular screen area:
    100.7 cm²

Galaxy A9 Star has approximately 67.1% 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, Galaxy A9 Star, compared at the same storage capacity.
StorageKey2Galaxy A9 Star
64 GB 6 GB RAM Unknown
128 GB 6 GB RAM Unknown
Galaxy A9 Star: Original memory entry

64 GB · 4/6 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. Galaxy A9 Star

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 512 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

    3500 mAh

  2. 2. Galaxy A9 Star

    3700 mAh

    +200 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. Galaxy A9 Star

Everyday essentials
Everyday essentials — specifications for Key2, Galaxy A9 Star.
SpecificationKey2Galaxy A9 Star
Dimensions (HxWxD)
  • 151.4 Х 71.8 Х 8.5 mm
  • 162.4 Х 77 Х 7.6 mm
Weight
  • 168 g
  • 191 g
Technology
  • IPS LCD
  • Super AMOLED
Screen size
  • 4.5" inch
  • 6.3" inch
Screen resolution
  • 1080 x 1620 px
  • 1080 x 2220 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
  • 4/6 GB RAM
Memory card support
  • microSD
  • up to 256 GB
  • microSD
  • up to 512 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3500 mAh
  • Non-removable Li-Ion
  • 3700 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 8.1 (Oreo)
  • Android 8 (Oreo)
Chipset
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
NFC
  • Yes
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Key2, Galaxy A9 Star.
SpecificationKey2Galaxy A9 Star
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 60.0 cm2
  • 100.7 cm2
Screen format
  • 3:2 (height:width)
  • 18.5:9 (height:width)
Screen to body ratio
  • 55.2%
  • 80.6%
PPI /points per inch/
  • 434 PPI
  • 392 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for Key2, Galaxy A9 Star.
SpecificationKey2Galaxy A9 Star
Rear camera, main
  • 12 MP
  • Dual
  • 24 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
  • 24 MP
  • f/1.7 -16 MP
  • f/1.7
  • PDAF
Functions
  • Dual-LED dual-tone flash
  • HDR
  • panorama
  • LED flash
  • panorama
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 24 MP
  • Single
Specifications
  • 8 MP
  • f/2.0
  • 1/4''
  • 1.12µm
  • 24 MP
  • f/2.0
Performance

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

Performance — specifications for Key2, Galaxy A9 Star.
SpecificationKey2Galaxy A9 Star
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
  • 104325
GeekBench 4 Single Core *
  • 1628
Unknown
GeekBench 4 Multi-Core *
  • 5894
Unknown
General specs
General specs — specifications for Key2, Galaxy A9 Star.
SpecificationKey2Galaxy A9 Star
Release date
  • 2018
  • June
  • 2018
  • June
Colors
  • Black
  • Silver
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 500 EUR
  • 350 EUR
Body build
  • aluminum frame (7000 series)
  • plastic back
  • Front/back glass
  • aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for Key2, Galaxy A9 Star.
SpecificationKey2Galaxy A9 Star
SIM card
  • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
  • dual stand-by) - BBF100-6 only
  • Hybrid 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 -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 17(700)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) - Global LTE band 1(2100)
  • 41(2500) - China
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
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS2
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • GALILEO
USB
  • 3.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
  • 2.0
  • 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)
  • SAR EU - 0.43 W/kg (head) 1.79 W/kg (body)
Music and Audio
Music and Audio — specifications for Key2, Galaxy A9 Star.
SpecificationKey2Galaxy A9 Star
Radio
  • FM radio
  • FM radio
Others
  • Active noise cancellation with dedicated mic
  • Active noise cancellation with dedicated mic -Dolby Atmos sound (headphones only)
Other features
Other features — specifications for Key2, Galaxy A9 Star.
SpecificationKey2Galaxy A9 Star
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 9V/1.67A -ANT+ - Samsung Pay - Versions: A8 Star (Global
  • SEA
  • South Korea); A9 Star (China)