T-Mobile Sidekick vs Xiaomi Redmi K30 Pro: specs comparison

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:

218 g
Width

Sidekick: 17.4 mm narrower

Sidekick:

58 mm

Redmi K30 Pro:

75.4 mm
Screen diagonal

Sidekick: 4.07 in smaller diagonal

Sidekick:

2.6 in

Redmi K30 Pro:

6.67 in
Rear camera layout

Sidekick:

Single

Redmi K30 Pro:

Quad
Depth

Redmi K30 Pro: 9.1 mm thinner

Sidekick:

18 mm

Redmi K30 Pro:

8.9 mm
Height

Sidekick: 44.3 mm shorter

Sidekick:

119 mm

Redmi K30 Pro:

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. Sidekick

Height:

119 mm
Width:

58 mm
Depth:

18 mm +9.1 mm versus Redmi K30 Pro
2. Redmi K30 Pro

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. Sidekick

128 g
2. Redmi K30 Pro

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. Sidekick

Screen diagonal:

2.6 in

Aspect ratio (height:width):

5:3

Approximate rectangular screen area:

19.2 cm²
2. Redmi K30 Pro

Screen diagonal:

6.67 in

Aspect ratio (height:width):

20:9

Approximate rectangular screen area:

107.4 cm²

Redmi K30 Pro 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, compared at the same storage capacity.
Storage	Sidekick	Redmi K30 Pro
128 GB	Unknown	6 / 8 GB RAM Alternative RAM configurations
256 GB	Unknown	8 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

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. Sidekick

1030 mAh
2. Redmi K30 Pro

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

Everyday essentials

Everyday essentials — specifications for Sidekick, Redmi K30 Pro.
Specification	Sidekick	Redmi K30 Pro
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 6GB RAM 128GB 8GB RAM 256GB 8GB 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.
Specification	Sidekick	Redmi K30 Pro
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.
Specification	Sidekick	Redmi K30 Pro
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 -5 MP 50mm (telephoto macro) AF -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.
Specification	Sidekick	Redmi K30 Pro
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.
Specification	Sidekick	Redmi K30 Pro
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	390 EUR
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.
Specification	Sidekick	Redmi K30 Pro
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.
Specification	Sidekick	Redmi K30 Pro
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.
Specification	Sidekick	Redmi K30 Pro
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+

T-Mobile Sidekick vs Xiaomi Redmi K30 Pro