BlackBerry Key2 vs T-Mobile Sidekick LX

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

    Sidekick LX: 6 g lighter

    Key2:
    168 g
    Sidekick LX:
    162 g
  • Width

    Sidekick LX: 11.8 mm narrower

    Key2:
    71.8 mm
    Sidekick LX:
    60 mm
  • Screen diagonal

    Sidekick LX: 1.5 in smaller diagonal

    Key2:
    4.5 in
    Sidekick LX:
    3 in
  • Rear camera layout

    Key2:
    Dual
    Sidekick LX:
    Single
  • Depth

    Key2: 13.5 mm thinner

    Key2:
    8.5 mm
    Sidekick LX:
    22 mm
  • Height

    Sidekick LX: 21.9 mm shorter

    Key2:
    151.4 mm
    Sidekick LX:
    129.5 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. Key2

    Height:
    151.4 mm +21.9 mm versus Sidekick LX
    Width:
    71.8 mm +11.8 mm versus Sidekick LX
    Depth:
    8.5 mm
  2. 2. Sidekick LX

    Height:
    129.5 mm
    Width:
    60 mm
    Depth:
    22 mm +13.5 mm versus Key2

Weight

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

  1. 1. Key2

    168 g

    +6 g versus Sidekick LX

  2. 2. Sidekick LX

    162 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. Sidekick LX

    Screen diagonal:
    3 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    25.6 cm²

Key2 has approximately 135.4% more rectangular screen area than Sidekick LX.

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, Sidekick LX, compared at the same storage capacity.
StorageKey2Sidekick LX
64 GB 6 GB RAM Unknown
128 GB 6 GB RAM Unknown
Sidekick LX: Original memory entry

64 MB RAM · 64 MB ROM

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. Sidekick LX

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD (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

    +1960 mAh versus Sidekick LX

  2. 2. Sidekick LX

    1540 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. Sidekick LX

Everyday essentials
Everyday essentials — specifications for Key2, Sidekick LX.
SpecificationKey2Sidekick LX
Dimensions (HxWxD)
  • 151.4 Х 71.8 Х 8.5 mm
  • 129.5 Х 60 Х 22 mm
Weight
  • 168 g
  • 162 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 4.5" inch
  • 3" inch
Screen resolution
  • 1080 x 1620 px
  • 240 x 400 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 MB RAM
  • 64 MB ROM
Memory card support
  • microSD
  • up to 256 GB
  • microSD (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3500 mAh
  • Non-removable Li-Ion
  • 1540 mAh
  • Removable Li-Ion
Operating system OS
  • Android 8.1 (Oreo)
  • Danger OS
Chipset
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
Unknown
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for Key2, Sidekick LX.
SpecificationKey2Sidekick LX
Touchscreen
  • capacitive touchscreen
Unknown
Display colors
  • 16M
  • 65K
Screen area
  • 60.0 cm2
  • 25.6 cm2
Screen format
  • 3:2 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 55.2%
  • 33.0%
PPI /points per inch/
  • 434 PPI
  • 155 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for Key2, Sidekick LX.
SpecificationKey2Sidekick LX
Rear camera, main
  • 12 MP
  • Dual
  • 1.3 MP
  • Single
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
  • 1.3 MP
Functions
  • Dual-LED dual-tone flash
  • HDR
  • panorama
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 8 MP
  • Single
  • 0 MP,
Specifications
  • 8 MP
  • f/2.0
  • 1/4''
  • 1.12µm
Unknown
Performance

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

Performance — specifications for Key2, Sidekick LX.
SpecificationKey2Sidekick LX
Processor CPU
  • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
Unknown
Graphics processor GPU
  • Adreno 512
Unknown
Antutu 7 score *
  • 104256
Unknown
GeekBench 4 Single Core *
  • 1628
Unknown
GeekBench 4 Multi-Core *
  • 5894
Unknown
General specs
General specs — specifications for Key2, Sidekick LX.
SpecificationKey2Sidekick LX
Release date
  • 2018
  • June
  • 2007
  • September
Colors
  • Black
  • Silver
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 500 EUR
  • 160 EUR
Battery life Unknown
  • Stand by time- Up to 96 h Talking time- Up to 6 h 50 min
Body build
  • aluminum frame (7000 series)
  • plastic back
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Key2, Sidekick LX.
SpecificationKey2Sidekick LX
SIM card
  • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
  • dual stand-by) - BBF100-6 only
  • Mini-SIM
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)
Unknown
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat11 600/75 Mbps
Unknown
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
  • No
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS2
  • No
USB
  • 3.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
  • Proprietary
Bluetooth
  • 5.0
  • A2DP
  • LE
  • EDR
  • 2.0
Harmful irradiation
  • SAR EU - 0.72 W/kg (head) 1.68 W/kg (body)
  • SAR - 0.40 W/kg (head) 0.46 W/kg (body)
Music and Audio
Music and Audio — specifications for Key2, Sidekick LX.
SpecificationKey2Sidekick LX
Radio
  • FM radio
  • No
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Key2, Sidekick LX.
SpecificationKey2Sidekick LX
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
  • MP3/WMA audio player -MP4 player -Voice memo