1. Home
  2. Comparison

T-Mobile Sidekick vs Xiaomi Redmi K30 Pro Zoom

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: 90 g lighter

      Sidekick:
      128 g
      Redmi K30 Pro Zoom:
      218 g

    • Width

      Sidekick: 17.4 mm narrower

      Sidekick:
      58 mm
      Redmi K30 Pro Zoom:
      75.4 mm

    • Screen diagonal

      Sidekick: 4.07 in smaller diagonal

      Sidekick:
      2.6 in
      Redmi K30 Pro Zoom:
      6.67 in

    • Rear camera layout

      Sidekick:
      Single
      Redmi K30 Pro Zoom:
      Quad

    • Depth

      Redmi K30 Pro Zoom: 9.1 mm thinner

      Sidekick:
      18 mm
      Redmi K30 Pro Zoom:
      8.9 mm

    • Height

      Sidekick: 44.3 mm shorter

      Sidekick:
      119 mm
      Redmi K30 Pro Zoom:
      163.3 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. Sidekick

      Height:
      119 mm
      Width:
      58 mm
      Depth:
      18 mm +9.1 mm versus Redmi K30 Pro Zoom

    2. 2. Redmi K30 Pro Zoom

      Height:
      163.3 mm +44.3 mm versus Sidekick
      Width:
      75.4 mm +17.4 mm versus Sidekick
      Depth:
      8.9 mm

    Weight

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

    1. 1. Sidekick

      128 g

    2. 2. Redmi K30 Pro Zoom

      218 g

      +90 g versus Sidekick

    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. Sidekick

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

    2. 2. Redmi K30 Pro Zoom

      Screen diagonal:
      6.67 in
      Aspect ratio (height:width):
      20:9
      Approximate rectangular screen area:
      107.4 cm²

    Redmi K30 Pro Zoom has approximately 458.2% more rectangular screen area than Sidekick.

    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 Sidekick, Redmi K30 Pro Zoom, compared at the same storage capacity.
    StorageSidekickRedmi K30 Pro Zoom
    128 GB Unknown 8 GB RAM
    256 GB Unknown 8 GB RAM
    512 GB Unknown 12 GB RAM
    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. Sidekick

    NFC:
    Unknown
    Headphone jack:
    Yes
    Memory card support:
    See details microSD (dedicated slot)

    2. Redmi K30 Pro Zoom

    NFC:
    Yes
    Headphone jack:
    Yes
    Memory card support:
    No

    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. Sidekick

      1030 mAh

    2. 2. Redmi K30 Pro Zoom

      4700 mAh

      +3670 mAh versus Sidekick

    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. Sidekick2. Redmi K30 Pro Zoom

    Everyday essentials
    Everyday essentials — specifications for Sidekick, Redmi K30 Pro Zoom.
    SpecificationSidekickRedmi K30 Pro Zoom
    Dimensions (HxWxD)
    • 119 Х 58 Х 18 mm
    • 163.3 Х 75.4 Х 8.9 mm
    Weight
    • 128 g
    • 218 g
    Technology
    • TFT
    • Super AMOLED
    Screen size
    • 2.6" inch
    • 6.67" inch
    Screen resolution
    • 240 x 400 px
    • 1080 x 2400 px
    Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
    • 128 MB RAM
    • 64 MB ROM
    • 128GB 8GB RAM
    • 256GB 8GB RAM
    • 512GB 12GB RAM
    Memory card support
    • microSD (dedicated slot)
    • No
    Battery Capacity is not battery life. No endurance test is implied.
    • 1030 mAh
    • Removable Li-Ion
    • 4700 mAh
    • Non-removable Li-Po
    Operating system OS
    • Danger 4.7
    • Android 10.0; MIUI 11
    Chipset Unknown
    • Qualcomm SM8250 Snapdragon 865 (7 nm+)
    NFC Unknown
    • Yes
    Headphone jack
    • Yes
    • Yes
    Display
    Display — specifications for Sidekick, Redmi K30 Pro Zoom.
    SpecificationSidekickRedmi K30 Pro Zoom
    Touchscreen Unknown
    • capacitive touchscreen
    Display colors
    • 65K
    • 16M
    Screen area
    • 19.2 cm2
    • 107.4 cm2
    Screen format
    • 5:3 (height:width)
    • 20:9 (height:width)
    Screen to body ratio
    • 27.9%
    • 87.2%
    PPI /points per inch/
    • 179 PPI
    • 395 PPI
    Screen protection Unknown
    • Corning Gorilla Glass 5
    Camera and Video
    Camera and Video — specifications for Sidekick, Redmi K30 Pro Zoom.
    SpecificationSidekickRedmi K30 Pro Zoom
    Rear camera, main
    • 1.3 MP
    • Single
    • 64 MP
    • Quad
    Camera specs
    • 1.3 MP
    • 64 MP
    • 26mm (wide)
    • 1/1.72''
    • 0.8µm
    • PDAF
    • OIS -8 MP
    • (telephoto)
    • OIS
    • 3x optical zoom -13 MP
    • 13mm (ultrawide) -2 MP
    • (depth)
    Functions Unknown
    • HDR
    Video
    • Yes
    • 1080p@30fps
    Front camera, selfie
    • 0 MP,
    • 20 MP
    • Single
    Specifications Unknown
    • Motorized pop-up 20 MP
    • (wide)
    • 1/3.4''
    • 0.8µm
    Performance
    Performance — specifications for Sidekick, Redmi K30 Pro Zoom.
    SpecificationSidekickRedmi K30 Pro Zoom
    Processor CPU Unknown
    • Octa-core (1x2.84 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585)
    Graphics processor GPU Unknown
    • Adreno 650
    General specs
    General specs — specifications for Sidekick, Redmi K30 Pro Zoom.
    SpecificationSidekickRedmi K30 Pro Zoom
    Release date
    • 2008
    • July
    • 2020
    • March 24
    Colors
    • Black
    • Grey
    • Purple
    • White
    • Blue
    Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
    • $ 749
    Battery life
    • Stand by time- Up to 216 h Talking time- Up to 5 h
    		 Unknown
    Body build Unknown
    • Glass front (Gorilla Glass 5)
    • glass back (Gorilla Glass 5)
    • aluminum frame
    Communication and Connectivity
    Communication and Connectivity — specifications for Sidekick, Redmi K30 Pro Zoom.
    SpecificationSidekickRedmi K30 Pro Zoom
    SIM card
    • Mini-SIM
    • Dual SIM (Nano-SIM
    • dual stand-by)
    Network Unknown
    • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1900 / 2100 CDMA2000 1xEV-DO -4G - LTE band 1(2100)
    • 3(1800)
    • 5(850)
    • 7(2600)
    • 8(900)
    • 34(2000)
    • 38(2600)
    • 39(1900)
    • 40(2300)
    • 41(2500) -5G - 5G band 1(2100)
    • 41(2500)
    • 78(3500)
    • 79(4700); SA/NSA
    Speed Unknown
    • HSPA 42.2/5.76 Mbps
    • LTE-A; 5G
    GPRS
    • Class 10
    • Yes
    Edge
    • Class 10
    • Yes
    Wi-Fi
    • No
    • Wi-Fi 802.11 a/b/g/n/ac/ax
    • dual-band
    • Wi-Fi Direct
    • hotspot
    GPS
    • No
    • Yes
    • with dual-band A-GPS
    • GLONASS
    • BDS
    • GALILEO
    • QZSS
    USB
    • miniUSB
    • 2.0
    • Type-C 1.0 reversible connector
    • USB On-The-Go
    Bluetooth
    • 2.0
    • A2DP
    • 5.1
    • A2DP
    • LE
    • aptX HD
    • aptX Adaptive
    Music and Audio
    Music and Audio — specifications for Sidekick, Redmi K30 Pro Zoom.
    SpecificationSidekickRedmi K30 Pro Zoom
    Radio
    • No
    		 Unknown
    Others
    • Swivel display
    • HDR10+ -DCI-P3 100% -500 nits typ. brightness (advertised)
    • 24-bit/192kHz audio
    Other features
    Other features — specifications for Sidekick, Redmi K30 Pro Zoom.
    SpecificationSidekickRedmi K30 Pro Zoom
    Dop
    • MP3/WAV/WMA audio player -MP4 player -Voice memo -Predictive text input
    • Sensors Fingerprint (under display
    • optical)
    • accelerometer
    • gyro
    • proximity
    • compass
    • barometer
    • Infrared port - Fast charging 33W
    • 100% in 63 min (advertised) -USB Power Delivery -Quick Charge 4+