Nokia 5.1 Plus (Nokia X5) 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.

  • Width

    Sidekick LX: 12 mm narrower

    5.1 Plus (Nokia X5):
    72 mm
    Sidekick LX:
    60 mm
  • Screen diagonal

    Sidekick LX: 2.86 in smaller diagonal

    5.1 Plus (Nokia X5):
    5.86 in
    Sidekick LX:
    3 in
  • Rear camera layout

    5.1 Plus (Nokia X5):
    Dual
    Sidekick LX:
    Single
  • Depth

    5.1 Plus (Nokia X5): 13.9 mm thinner

    5.1 Plus (Nokia X5):
    8.1 mm
    Sidekick LX:
    22 mm
  • Height

    Sidekick LX: 20 mm shorter

    5.1 Plus (Nokia X5):
    149.5 mm
    Sidekick LX:
    129.5 mm
  • Release year

    5.1 Plus (Nokia X5):
    2018
    Sidekick LX:
    2007

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. 5.1 Plus (Nokia X5)

    Height:
    149.5 mm +20 mm versus Sidekick LX
    Width:
    72 mm +12 mm versus Sidekick LX
    Depth:
    8.1 mm
  2. 2. Sidekick LX

    Height:
    129.5 mm
    Width:
    60 mm
    Depth:
    22 mm +13.9 mm versus 5.1 Plus (Nokia X5)

Weight

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

  1. 1. 5.1 Plus (Nokia X5)

    160 g

  2. 2. Sidekick LX

    162 g

    +2 g versus 5.1 Plus (Nokia X5)

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. 5.1 Plus (Nokia X5)

    Screen diagonal:
    5.86 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    85.7 cm²
  2. 2. Sidekick LX

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

5.1 Plus (Nokia X5) has approximately 234.6% 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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

5.1 Plus (Nokia X5): Original memory entry

64 GB · 4 GB RAM 32 GB · 3 GB RAM

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. 5.1 Plus (Nokia X5)

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 400 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. 5.1 Plus (Nokia X5)

    3060 mAh

    +1520 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. 5.1 Plus (Nokia X5)2. Sidekick LX

Everyday essentials
Everyday essentials — specifications for 5.1 Plus (Nokia X5), Sidekick LX.
Specification5.1 Plus (Nokia X5)Sidekick LX
Dimensions (HxWxD)
  • 149.5 Х 72 Х 8.1 mm
  • 129.5 Х 60 Х 22 mm
Weight
  • 160 g
  • 162 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5.86" inch
  • 3" inch
Screen resolution
  • 720 x 1520 px
  • 240 x 400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 GB
  • 4 GB RAM 32 GB
  • 3 GB RAM
  • 64 MB RAM
  • 64 MB ROM
Memory card support
  • microSD
  • up to 400 GB
  • microSD (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3060 mAh
  • Non-removable Li-Ion
  • 1540 mAh
  • Removable Li-Ion
Operating system OS
  • Android 8.1 (Oreo)
  • upgradable to Android 9.0 (Pie); Android One
  • Danger OS
Chipset
  • Mediatek MT6771 Helio P60 (12 nm)
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for 5.1 Plus (Nokia X5), Sidekick LX.
Specification5.1 Plus (Nokia X5)Sidekick LX
Touchscreen
  • capacitive touchscreen
Unknown
Display colors
  • 16M
  • 65K
Screen area
  • 85.7 cm2
  • 25.6 cm2
Screen format
  • 19:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 79.6%
  • 33.0%
PPI /points per inch/
  • 287 PPI
  • 155 PPI
Camera and Video
Camera and Video — specifications for 5.1 Plus (Nokia X5), Sidekick LX.
Specification5.1 Plus (Nokia X5)Sidekick LX
Rear camera, main
  • 13 MP
  • Dual
  • 1.3 MP
  • Single
Camera specs
  • 13 MP
  • f/2.0
  • PDAF -5 MP
  • depth sensor
  • 1.3 MP
Functions
  • LED flash
  • HDR
  • panorama
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 8 MP
  • Single
  • 0 MP,
Specifications
  • 8 MP
  • f/2.2
  • 26mm (wide)
Unknown
Performance
Performance — specifications for 5.1 Plus (Nokia X5), Sidekick LX.
Specification5.1 Plus (Nokia X5)Sidekick LX
Processor CPU
  • Octa-core (4x1.8 GHz Cortex-A73 & 4x1.8 GHz Cortex-A53) Global -Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53) China
Unknown
Graphics processor GPU
  • Mali-G72 MP3
Unknown
General specs
General specs — specifications for 5.1 Plus (Nokia X5), Sidekick LX.
Specification5.1 Plus (Nokia X5)Sidekick LX
Release date
  • 2018
  • July
  • 2007
  • September
Colors
  • Night black
  • Glacier white
  • Baltic sea blue
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
  • 160 EUR
Battery life Unknown
  • Stand by time- Up to 96 h Talking time- Up to 6 h 50 min
Body build
  • Front/back glass
  • plastic frame
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for 5.1 Plus (Nokia X5), Sidekick LX.
Specification5.1 Plus (Nokia X5)Sidekick LX
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE
Unknown
Speed
  • HSPA
  • LTE Cat4 150/50 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
  • BDS
  • GALILEO
  • No
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • Proprietary
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 2.0
Harmful irradiation
  • SAR EU - 0.78 W/kg (head) 1.89 W/kg (body)
  • SAR - 0.40 W/kg (head) 0.46 W/kg (body)
Music and Audio
Music and Audio — specifications for 5.1 Plus (Nokia X5), Sidekick LX.
Specification5.1 Plus (Nokia X5)Sidekick LX
Radio
  • FM radio
  • No
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for 5.1 Plus (Nokia X5), Sidekick LX.
Specification5.1 Plus (Nokia X5)Sidekick LX
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Versions: Nokia 5.1 Plus (Global); Nokia X5 (China)
  • MP3/WMA audio player -MP4 player -Voice memo