T-Mobile Sidekick 4G (SGH-T839) vs Realme 10 Pro (256GB/8GB)

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Side by side comparison between T-Mobile Sidekick 4G vs Realme 10 Pro phones, differences, pros, cons and full specifications. What's the better?

12/15/2022 2:15 PM, updated: 12/15/2022 2:58 PM

Compare Realme 10 Pro X T-Mobile Sidekick 4G (SGH-T839) 02Points

Specifications Compare Models Pictures

3.5"
TFT

480x800

3.1
MP

0.3mp

512MB
RAM

Single-core

1500
mAh

(Removable)

26Points Realme 10 Pro (256GB/8GB) Compare T-Mobile Sidekick 4G X

Specifications Compare Models Pictures

6.72"
IPS

1080x2400

108
MP

16mp

8GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? Realme 10 Pro (256GB/8GB)

The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!

2 Advantages T-Mobile Sidekick 4G (SGH-T839)	vs	26 Advantages Realme 10 Pro (256GB/8GB)
+162 grams (5.67 ounces)19% Lighter	vs	192 grams (6.72 ounces)
+Li-Ion: lithium-ion (Removable)Advantage Removable battery can be replaced easily	vs	LiPo: li-ion polymer (Non removable)
1GHz 32bit Single-core	vs	+2.2GHz 64bit Octa-core (6nm)4 times More powerful processor, you can open your applications faster
512MB	vs	+8GB LPDDR4X15 times More RAM memory. Typically more responsive and better for multitasking.
1GB (350MB available)	vs	+256GB (222GB available)649 times More internal storage for applications and files
Until 32GB microSD, microSDHC	vs	+Until 1TB microSD, microSDXC31 times More external storage for files using memory cards
15 millimeters (0.59 inches)	vs	+8.3 millimeters (0.33 inches)81% Thinner
TFT LCD	vs	+TFT IPS LCDAdvantage TFT IPS LCD display is brighter and more vivid
480x800 pixels	vs	+1080x2400 pixels6 times Higher resolution screen
267 PPI	vs	+392 PPI47% Crisper display of text, images and videos because it has more pixels per inch (ppi)
3.5"	vs	+6.72"92% Larger screen
(back) 3.1MP	vs	+(dual camera) 108MP + 2MP34 times Higher resolution main camera
Not supported	vs	+LED flashAdvantage The LED flash helps in dark places or in low light
(front) 0.3MP	vs	+(front) 16MP51 times Higher resolution secondary camera to take pictures and selfies
VGA (720x480)	vs	+Full HD (1920x1080)5 times More image quality for recording videos with the primary camera
Android 2.2.1 Froyo	vs	+Android 13Advantage Android 13 is newer and safer
3G+ HSPA+	vs	+5G SA/NSAAdvantage The 5G SA/NSA network is newer and faster
(3G+ HSPA+) 21 Mbps	vs	+(5G SA/NSA) 2000 Mbps94 times Faster for surfing the internet and download files
Not supported	vs	+CompassAdvantage Sensors help you use the device
Not supported	vs	+Face unlockAdvantage Sensors help you use the device
Not supported	vs	+Fingerprint sensor (side-mounted)Advantage Sensors help you use the device
Not supported	vs	+GyroscopeAdvantage Sensors help you use the device
1500 mAh	vs	+5000 mAh2 times Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
1 slot (Single-SIM) (dedicated slot)	vs	+2 slots (Dual-SIM) (hybrid slot/shares the same microSD slot)Advantage You can have more mobile carriers/operators on the same device.
802.11 b/g/n [wifi4]	vs	+802.11 a/b/g/n/ac [wifi5]Advantage WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster
3.0 + A2DP	vs	+5.1 + A2DP/LEAdvantage Bluetooth 5.1 + A2DP/LE is newer and faster
MicroUSB 2.0	vs	+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.
HTML, XHTML, Flash player	vs	+HTML, XHTML, HTML5Advantage Better sites viewing on the internet

11 Common items in both devices

16 million

Only digital zoom

Autofocus / PDAF: phase detection autofocus

Capacitive

Multitouch

Accelerometer

Ambient light sensor

+4 specs and more in the table below

Check the comparison table below for more items that are not evaluated in comparison score above.

Highlight differences

📱 Model features
	T-Mobile Sidekick 4G (SGH-T839)	Realme 10 Pro (256GB/8GB)
Change model		Choose the model
Model	Sidekick 4G (SGH-T839)	Realme 10 Pro (256GB/8GB)
Other model names	T-Mobile Sidekick 4G T839, Samsung SGH-T839 Sidekick 4G	Realme 10 Pro 5G (RMX3663)
Country or region available	USA	China, Malaysia, Thailand
Brand	T-Mobile	Realme
Release date	4/20/2011	11/24/2022, Announced: 11/17/2022
Depth	15 millimeters (0.59 inches)	8.3 millimeters (0.33 inches)
Size (width x height)	61 x 127 millimeters (2.4 x 5 in)	74.2 x 163.7 millimeters (2.92 x 6.44 in)
Weight	162 grams (5.67 ounces)	192 grams (6.72 ounces)
Build, materials	feature not registered	Plastic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	T-Mobile Sidekick 4G (SGH-T839)	Realme 10 Pro (256GB/8GB)
Display type	TFT LCD	TFT IPS LCD
Screen size	3.5" inches	6.72" inches
Screen-to-body ratio	~45% (screen-to-body ratio)	~89.8% (screen-to-body ratio)
Display resolution	480x800 pixels	1080x2400 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	267 PPI	392 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Not supported
Refresh rate	feature not registered	120Hz
Display features	feature not registered	600nits[typ], 680nits[peak] Touch Sampling Rate: 240Hz
🤖 Operating System
	T-Mobile Sidekick 4G (SGH-T839)	Realme 10 Pro (256GB/8GB)
System version	Android 2.2.1 Froyo	Android 13
Firmware update	feature not registered	feature not registered
User Interface	feature not registered	Realme UI 4.0
⚙️ Processor
	T-Mobile Sidekick 4G (SGH-T839)	Realme 10 Pro (256GB/8GB)
Chipset	32bit: Samsung Exynos 3	64bit: Qualcomm Snapdragon 695 (SM6375) (6nm)
CPU	Single-core, 1 processor: 1x 1GHz ARM Cortex-A8 (Single-core)	Octa-core, 2 processors: 2x 2.2GHz Kryo 660 Gold (Dual-core) 6x 1.7GHz Kryo 660 Silver (Hexa-core)
GPU graphical controller	PowerVR SGX540	Qualcomm Adreno 619 (840MHz)
Performance (benchmark)	feature not registered	AnTuTu: 402150 (v9) Geekbench: 2021 (v5.1) GFXBench: 16fps (ES 3.1 onscreen)
💽 Memory and storage
	T-Mobile Sidekick 4G (SGH-T839)	Realme 10 Pro (256GB/8GB)
RAM memory	512MB	8GB LPDDR4X
Internal storage	1GB (350MB available)	256GB (222GB available) UFS 2.2
External storage	Until 32GB microSD, microSDHC (dedicated slot)	Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)
📶 Mobile networks
	T-Mobile Sidekick 4G (SGH-T839)	Realme 10 Pro (256GB/8GB)
Dual-SIM	Not supported	Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot)
SIM card	1 slot (Single-SIM) Standard mini-SIM (2FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	21/5.76 Mbps	2000/1024 Mbps
Network technology	2G, 3G	2G, 3G, 4G, 5G
Frequency, bands	Expand band details Collapse details
GSM MHz band	Quad-Band 850/900/1800/1900	Quad-Band 850/900/1800/1900
Primary 2G network	GSM 850/900/1800/1900	CDMA 800, GSM 850/900/1800/1900
Primary 3G network	UMTS 1700/2100	CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100
Primary 4G network	Not supported	LTE Cat15 (1, 2, 3, 4, 5, 7, 8, 19, 20, 28) TD-LTE (34, 38, 39, 40, 41) VoLTE
Primary 5G network	Not supported	SA/NSA (1, 5, 8, 28, 41, 77, 78)
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+	GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
Secondary 2G network	Not supported	GSM 850/900/1800/1900
Secondary 3G network	Not supported	UMTS 850/900/1700/1900/2100
Secondary 4G network	Not supported	LTE Cat15 (1, 2, 3, 4, 5, 7, 8, 19, 20, 28) TD-LTE (34, 38, 39, 40, 41) VoLTE
Secondary data network	Not supported	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
📷 Camera
	T-Mobile Sidekick 4G (SGH-T839)	Realme 10 Pro (256GB/8GB)
Back camera (main camera)	3.1 megapixels	(dual camera) 108 megapixels 2MP depth f/2.4
Main camera resolution	2048x1536 pixels	12000x9000 pixels
Video recording (primary)	VGA (720x480) 30 fps	Full HD (1920x1080) 30 fps
Flash	Not supported	LED flash
Focal aperture	feature not registered	f/1.8 (aperture)
Focal length	feature not registered	24mm lens
Sensor size	feature not registered	1/1.67" inches
Pixel size	feature not registered	0.64µm pixel
Autofocus	Autofocus	PDAF: phase detection autofocus
Touch focus	feature not registered	Supported
Image stabilization	feature not registered	EIS: Digital stabilization
Zoom	Only digital zoom	Only digital zoom
Face/smile detection	feature not registered	Face detection, Smile detection
BSI sensor	feature not registered	Supported
HDR	feature not registered	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	T-Mobile Sidekick 4G (SGH-T839)	Realme 10 Pro (256GB/8GB)
Front camera (secondary)	0.3 megapixels	16 megapixels
Front camera resolution	640x480 pixels	4608x3456 pixels
Video recording (secondary)	Not supported	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	feature not registered	f/2.5 (aperture)
Focal length	feature not registered	25mm lens
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	feature not registered
🔉 Sound and multimedia
	T-Mobile Sidekick 4G (SGH-T839)	Realme 10 Pro (256GB/8GB)
Loudspeaker	Supported	Mono sound with dual speakers 24-bit/192kHz Hi-Res
Active noise cancellation	feature not registered	2 microphones or more
Radio	Not supported	Not supported
TV	Not supported	Not supported
Video formats	MP4, H.264, H.263	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, eAAC+	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	T-Mobile Sidekick 4G (SGH-T839)	Realme 10 Pro (256GB/8GB)
USB	MicroUSB 2.0	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	USB Type-C (reversible)
Bluetooth	3.0 + A2DP	5.1 + A2DP/LE
WiFi	802.11 b/g/n [wifi4] (2.4GHz)	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	feature not registered	Not supported
GPS	A-GPS, GeoTagging	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Not supported	Not supported
Infrared port	feature not registered	Not supported
🧭 Sensors
	T-Mobile Sidekick 4G (SGH-T839)	Realme 10 Pro (256GB/8GB)
Sensors	Accelerometer Ambient light sensor Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	T-Mobile Sidekick 4G (SGH-T839)	Realme 10 Pro (256GB/8GB)
Battery type	Li-Ion: lithium-ion (Removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	1500 mAh	5000 mAh
Charger, watts	Wired charging	33W (11V/3A) Wired fast charging
Inductive / wireless charging	feature not registered	Not supported
Talk time autonomy	6.5 hours	feature not registered
Standby	456 hours (19 days)	feature not registered
➕ Other features
	T-Mobile Sidekick 4G (SGH-T839)	Realme 10 Pro (256GB/8GB)
Call control	Voice recorder	Voice dialing, Voice recorder, Voice commands
Messaging	SMS (T9), MMS, E-mail, Push mail	SMS (T9), MMS, E-mail, Push mail
Hands-free calling	Supported	Supported
Video calling	Supported	Supported
Ringtones	Polyphonic and customized	Polyphonic and customized
Web browser	HTML, XHTML, Flash player	HTML, XHTML, HTML5
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Retractable QWERTY keyboard	Not supported
Miscellaneous	• Colors: Matte black, Pearl magenta • 2GB microSD included • Samsung TouchWiz UI • Optical trackpad • HAC M3/T3 • T-Mobile TV • DLNA • WiFi hotspot • Java framework	• Colors: Dark Matter Black, Nebula Blue, Hyperspace
☢️ Radiation rate
	T-Mobile Sidekick 4G (SGH-T839)	Realme 10 Pro (256GB/8GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	feature not registered