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Nokia X71 vs T-Mobile Sidekick

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.

  • Weight

    Sidekick: 52 g lighter

    X71:
    180 g
    Sidekick:
    128 g
  • Width

    Sidekick: 18.5 mm narrower

    X71:
    76.5 mm
    Sidekick:
    58 mm
  • Screen diagonal

    Sidekick: 3.79 in smaller diagonal

    X71:
    6.39 in
    Sidekick:
    2.6 in
  • Rear camera layout

    X71:
    Triple
    Sidekick:
    Single
  • Depth

    X71: 10 mm thinner

    X71:
    8 mm
    Sidekick:
    18 mm
  • Height

    Sidekick: 38.2 mm shorter

    X71:
    157.2 mm
    Sidekick:
    119 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. X71

    Height:
    157.2 mm +38.2 mm versus Sidekick
    Width:
    76.5 mm +18.5 mm versus Sidekick
    Depth:
    8 mm
  2. 2. Sidekick

    Height:
    119 mm
    Width:
    58 mm
    Depth:
    18 mm +10 mm versus X71

Weight

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

  1. 1. X71

    180 g

    +52 g versus Sidekick

  2. 2. Sidekick

    128 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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. X71

    X71: Screen geometry unavailable or conflicting.

  2. 2. Sidekick

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

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 X71, Sidekick, compared at the same storage capacity.
StorageX71Sidekick
128 GB 6 GB RAM Unknown
Sidekick: Original memory entry

128 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. X71

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

2. Sidekick

NFC:
Unknown
Headphone jack:
Yes
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. X71

    3500 mAh

    +2470 mAh versus Sidekick

  2. 2. Sidekick

    1030 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. X712. Sidekick

Everyday essentials
Everyday essentials — specifications for X71, Sidekick.
SpecificationX71Sidekick
Dimensions (HxWxD)
  • 157.2 Х 76.5 Х 8 mm
  • 119 Х 58 Х 18 mm
Weight
  • 180 g
  • 128 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 6.39" inch
  • 2.6" inch
Screen resolution
  • 1080 x 2316 px
  • 240 x 400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128 GB
  • 6 GB RAM
  • 128 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-Po
  • 1030 mAh
  • Removable Li-Ion
Operating system OS
  • Android 9.0 (Pie); Android One
  • Danger 4.7
Chipset
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for X71, Sidekick.
SpecificationX71Sidekick
Touchscreen
  • capacitive touchscreen
Unknown
Display colors
  • 16M
  • 65K
Screen area
  • 100.9 cm2
  • 19.2 cm2
Screen format Unknown
  • 5:3 (height:width)
Screen to body ratio
  • 83.9%
  • 27.9%
PPI /points per inch/
  • 0 PPI
  • 179 PPI
Camera and Video
Camera and Video — specifications for X71, Sidekick.
SpecificationX71Sidekick
Rear camera, main
  • 48 MP
  • Triple
  • 1.3 MP
  • Single
Camera specs
  • 48 MP
  • f/1.8
  • 1/2''
  • 0.8µm
  • PDAF -8 MP
  • 13mm (ultrawide) -5 MP
  • f/2.4
  • depth sensor
  • 1.3 MP
Functions
  • Zeiss optics
  • Dual-LED flash
  • panorama
  • HDR
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 16 MP
  • Single
  • 0 MP,
Specifications
  • 16 MP
  • f/2.0
Unknown
Performance

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

Performance — specifications for X71, Sidekick.
SpecificationX71Sidekick
Processor CPU
  • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
Unknown
Graphics processor GPU
  • Adreno 512
Unknown
Antutu 7 score *
  • 142562
Unknown
GeekBench 4 Single Core *
  • 1455
Unknown
GeekBench 4 Multi-Core *
  • 5075
Unknown
General specs
General specs — specifications for X71, Sidekick.
SpecificationX71Sidekick
Release date
  • 2019
  • April
  • 2008
  • July
Colors
  • Black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 290 EUR
Unknown
Battery life Unknown
  • Stand by time- Up to 216 h Talking time- Up to 5 h
Body build
  • Front/back glass
  • aluminum frame
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for X71, Sidekick.
SpecificationX71Sidekick
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 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 28(700)
  • 38(2600)
  • 40(2300)
  • 41(2500)
Unknown
Speed
  • HSPA
  • LTE-A
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
  • No
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
  • miniUSB
Bluetooth
  • 5.0
  • A2DP
  • LE
  • aptX
  • 2.0
  • A2DP
Music and Audio
Music and Audio — specifications for X71, Sidekick.
SpecificationX71Sidekick
Radio Unknown
  • No
Others
  • Active noise cancellation with dedicated mic
  • Swivel display
Other features
Other features — specifications for X71, Sidekick.
SpecificationX71Sidekick
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 18W - For China
  • MP3/WAV/WMA audio player -MP4 player -Voice memo -Predictive text input