T-Mobile Sidekick 4G vs Xiaomi Mi 5

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

    Mi 5: 33 g lighter

    Sidekick 4G:
    162 g
    Mi 5:
    129 g
  • Width

    Sidekick 4G: 8.2 mm narrower

    Sidekick 4G:
    61 mm
    Mi 5:
    69.2 mm
  • Screen diagonal

    Sidekick 4G: 1.65 in smaller diagonal

    Sidekick 4G:
    3.5 in
    Mi 5:
    5.15 in
  • Depth

    Mi 5: 7.7 mm thinner

    Sidekick 4G:
    15 mm
    Mi 5:
    7.3 mm
  • Height

    Sidekick 4G: 17.6 mm shorter

    Sidekick 4G:
    127 mm
    Mi 5:
    144.6 mm
  • Release year

    Sidekick 4G:
    2011
    Mi 5:
    2016

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 4G

    Height:
    127 mm
    Width:
    61 mm
    Depth:
    15 mm +7.7 mm versus Mi 5
  2. 2. Mi 5

    Height:
    144.6 mm +17.6 mm versus Sidekick 4G
    Width:
    69.2 mm +8.2 mm versus Sidekick 4G
    Depth:
    7.3 mm

Weight

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

  1. 1. Sidekick 4G

    162 g

    +33 g versus Mi 5

  2. 2. Mi 5

    129 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. Sidekick 4G

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    34.9 cm²
  2. 2. Mi 5

    Screen diagonal:
    5.15 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    73.1 cm²

Mi 5 has approximately 109.7% more rectangular screen area than Sidekick 4G.

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.

Sidekick 4G: Original memory entry

1 GB · 512 MB RAM

Mi 5: Original memory entry

128 GB · 4 GB RAM - Pro edition64 GB · 3 GB RAM - Prime edition32 GB · 3 GB RAM - Standard

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 4G

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot) · 2 GB included

2. Mi 5

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 4G

    1500 mAh

  2. 2. Mi 5

    3000 mAh

    +1500 mAh versus Sidekick 4G

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. Sidekick 4G2. Mi 5

Everyday essentials
Everyday essentials — specifications for Sidekick 4G, Mi 5.
SpecificationSidekick 4GMi 5
Dimensions (HxWxD)
  • 127 Х 61 Х 15 mm
  • 144.6 Х 69.2 Х 7.3 mm
Weight
  • 162 g
  • 129 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3.5" inch
  • 5.15" inch
Screen resolution
  • 480 x 800 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 1 GB
  • 512 MB RAM
  • 128 GB
  • 4 GB RAM - Pro edition64 GB
  • 3 GB RAM - Prime edition32 GB
  • 3 GB RAM - Standard
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • 2 GB included
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 3000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 2.2 (Froyo)
  • Android 6.0 (Marshmallow)
  • upgradable to Android 8.0 (Oreo); MIUI 10
Chipset
  • Hummingbird
  • Qualcomm MSM8996 Snapdragon 820 (14 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Sidekick 4G, Mi 5.
SpecificationSidekick 4GMi 5
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 34.9 cm2
  • 73.1 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 45.0%
  • 73.1%
PPI /points per inch/
  • 267 PPI
  • 428 PPI
Screen protection Unknown
  • Corning Gorilla Glass 4
Camera and Video
Camera and Video — specifications for Sidekick 4G, Mi 5.
SpecificationSidekick 4GMi 5
Rear camera, main
  • 3.15 MP
  • Single
  • 16 MP
  • Single
Camera specs
  • 3.15 MP
  • AF
  • 16 MP
  • f/2.0
  • 1/2.8''
  • 1.12µm
  • 4-axis OIS
  • PDAF
Functions Unknown
  • Dual-LED dual-tone flash
  • panorama
  • HDR
Video
  • 480p@30fps
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 4 MP
  • Single
Specifications
  • VGA
  • 4 MP
  • f/2.0
  • 1/3''
  • 2µm
Performance

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

Performance — specifications for Sidekick 4G, Mi 5.
SpecificationSidekick 4GMi 5
Processor CPU
  • 1.0 GHz Cortex-A8
  • Quad-core (2x1.8 GHz Kryo & 2x1.36 GHz Kryo) Standard edition -Quad-core (2x2.15 GHz Kryo & 2x1.6 GHz Kryo) Prime & Pro edition
Graphics processor GPU
  • PowerVR SGX540
  • Adreno 530
Antutu 7 score * Unknown
  • 136258
GeekBench 4 Single Core * Unknown
  • 1606
GeekBench 4 Multi-Core * Unknown
  • 3694
GeekBench 4 RenderScript * Unknown
  • 6540
GeekBench 4 Battery * Unknown
  • 1865
GeekBench 5 Single Core * Unknown
  • 306
GeekBench 5 Multi-Core * Unknown
  • 780
General specs
General specs — specifications for Sidekick 4G, Mi 5.
SpecificationSidekick 4GMi 5
Release date
  • 2011
  • March
  • 2016
  • February
Colors
  • Matte Black
  • Pearl magenta
  • Black
  • White
  • Gold
  • Ceramic
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 310 EUR
  • 240 EUR
Battery life
  • Stand by time- Up to 456 h Talking time- Up to 6 h 30 min
Unknown
Body build Unknown
  • Front/back glass (Gorilla Glass 4)
  • aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for Sidekick 4G, Mi 5.
SpecificationSidekick 4GMi 5
SIM card
  • Mini-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 & TD-SCDMA CDMA2000 1xEV-DO - China -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) - Global LTE band 1(2100)
  • 41(2500) - China
Speed
  • HSPA 7.2/5.76 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat12 600/150 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 3.0
  • A2DP
  • 4.2
  • A2DP
  • LE
Harmful irradiation
  • SAR - 0.34 W/kg (head) 0.96 W/kg (body)
  • SAR - 0.70 W/kg (head) 1.42 W/kg (body)
Music and Audio
Music and Audio — specifications for Sidekick 4G, Mi 5.
SpecificationSidekick 4GMi 5
Radio
  • Nо
  • No
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Sidekick 4G, Mi 5.
SpecificationSidekick 4GMi 5
Dop
  • Sensors Accelerometer
  • proximity - T-Mobile TV -MP4/H.264 player -MP3/WAV/eAAC+ player -Organizer -ThinkFree Office document editor
  • PDF viewer -Voice memo -Predictive text input - Optical trackpad - Also known as T-Mobile T839 Sidekick 4G
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • barometer
  • Infrared port - Fast battery charging (Quick Charge 3.0) - Pro and Prime editions are China exclusive