T-Mobile Sidekick 4G (SGH-T839) vs Motorola Defy (ME525)

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

3/20/2017 12:14 AM, updated: 6/19/2025 10:24 AM

Compare Motorola Defy X T-Mobile Sidekick 4G (SGH-T839) 08Points

Specifications Compare Models Pictures

3.5"
TFT

480x800

3.1
MP

0.3mp

512MB
RAM

Single-core

1500
mAh

(Removable)

13Points Motorola Defy (ME525) Compare T-Mobile Sidekick 4G X

Specifications Compare Models Pictures

3.7"
TFT

480x854

5
MP

512MB
RAM

Single-core

1540
mAh

(Removable)

What's the better phone? Motorola Defy (ME525)

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!

8 Advantages T-Mobile Sidekick 4G (SGH-T839)	vs	13 Advantages Motorola Defy (ME525)
+1GHz 32bit Single-core6% More powerful processor, you can open your applications faster	vs	800MHz 32bit Single-core (45nm)
+267 PPI1% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	265 PPI
+(front) 0.3MPAdvantage A front-camera is best for taking selfies	vs	Not supported
+VGA (720x480)13% More image quality for recording videos with the primary camera	vs	VGA (640x480)
+3G+ HSPA+Advantage The 3G+ HSPA+ network is newer and faster	vs	3G HSUPA
+(3G+ HSPA+) 21 Mbps192% Faster for surfing the internet and download files	vs	(3G HSUPA) 7.2 Mbps
+Video callingAdvantage The video calling allows to make calls with voice and video	vs	Not supported
+3.0 + A2DPAdvantage Bluetooth 3.0 + A2DP is newer and faster	vs	2.1 + A2DP
1GB (350MB available)	vs	+2GB (1.29GB available)3 times More internal storage for applications and files
162 grams (5.67 ounces)	vs	+118 grams (4.13 ounces)37% Lighter
15 millimeters (0.59 inches)	vs	+13.4 millimeters (0.53 inches)12% Thinner
480x800 pixels	vs	+480x854 pixels7% Higher resolution screen
3.5"	vs	+3.7"6% Larger screen
(back) 3.1MP	vs	+(back) 5MP60% Higher resolution main camera
Not supported	vs	+LED flashAdvantage The LED flash helps in dark places or in low light
Android 2.2.1 Froyo	vs	+Android 2.3.4 GingerbreadAdvantage Android 2.3.4 Gingerbread is newer and safer
Not supported	vs	+CompassAdvantage Sensors help you use the device
1500 mAh	vs	+1540 mAh3% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Not supported	vs	+FM (RDS)Advantage The radio lets you listen to your songs and sports in general
Not supported	vs	+Gorilla GlassAdvantage Protection against scratches on the screen lets you carry your phone with your keys
Not supported	vs	+Water splash resistant (don't immerse)Advantage Protection against water allows you talk to your friends in the rain, for example

19 Common items in both devices

512MB / 512MB LPDDR

Until 32GB microSD, microSDHC

TFT LCD

16 million

Only digital zoom

Autofocus

Capacitive

+12 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)	Motorola Defy (ME525)
Change model		Choose the model
Model	Sidekick 4G (SGH-T839)	Defy (ME525)
Other model names	T-Mobile Sidekick 4G T839, Samsung SGH-T839 Sidekick 4G	Motorola DEFY ME525, Motorola Jordan
Country or region available	USA	(Europe), (Global, International)
Brand	T-Mobile	Motorola
Release date	4/20/2011	10/12/2010
Depth	15 millimeters (0.59 inches)	13.4 millimeters (0.53 inches)
Size (width x height)	61 x 127 millimeters (2.4 x 5 in)	59 x 107 millimeters (2.32 x 4.21 in)
Weight	162 grams (5.67 ounces)	118 grams (4.13 ounces)
Build, materials	feature not registered	Plastic body, glass front
Protection against water and others	Not supported	Water splash resistant (don't immerse)
📲 Display
	T-Mobile Sidekick 4G (SGH-T839)	Motorola Defy (ME525)
Display type	TFT LCD	TFT LCD
Screen size	3.5" inches	3.7" inches
Screen-to-body ratio	~45% (screen-to-body ratio)	~59.8% (screen-to-body ratio)
Display resolution	480x800 pixels	480x854 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	267 PPI	265 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Gorilla Glass
Refresh rate	feature not registered	60Hz
Display features	feature not registered	Not supported
🤖 Operating System
	T-Mobile Sidekick 4G (SGH-T839)	Motorola Defy (ME525)
System version	Android 2.2.1 Froyo	Android 2.1 Eclair
Firmware update	feature not registered	Android 2.3.4 Gingerbread
User Interface	feature not registered	MOTOBLUR 1.5
⚙️ Processor
	T-Mobile Sidekick 4G (SGH-T839)	Motorola Defy (ME525)
Chipset	32bit: Samsung Exynos 3	32bit: Texas Instruments OMAP 3610 (45nm)
CPU	Single-core, 1 processor: 1x 1GHz ARM Cortex-A8 (Single-core)	Single-core, 1 processor: 1x 800MHz ARM Cortex-A8 (Single-core)
GPU graphical controller	PowerVR SGX540	PowerVR SGX530 MP1
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	T-Mobile Sidekick 4G (SGH-T839)	Motorola Defy (ME525)
RAM memory	512MB	512MB LPDDR
Internal storage	1GB (350MB available)	2GB (1.29GB available)
External storage	Until 32GB microSD, microSDHC (dedicated slot)	Until 32GB microSD, microSDHC (dedicated slot)
📶 Mobile networks
	T-Mobile Sidekick 4G (SGH-T839)	Motorola Defy (ME525)
Dual-SIM	Not supported	Not supported
SIM card	1 slot (Single-SIM) Standard mini-SIM (2FF)	1 slot (Single-SIM) Standard mini-SIM (2FF)
Maximum Download / Upload	21/5.76 Mbps	7.2/2 Mbps
Network technology	2G, 3G	2G, 3G
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	GSM 850/900/1800/1900
Primary 3G network	UMTS 1700/2100	UMTS 900/2100
Primary 4G network	Not supported	Not supported
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+	CSD, GPRS, EDGE, UMTS, HSDPA, HSUPA
Secondary 2G network	Not supported	Not supported
Secondary 3G network	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	Not supported	Not supported
📷 Camera
	T-Mobile Sidekick 4G (SGH-T839)	Motorola Defy (ME525)
Back camera (main camera)	3.1 megapixels	5 megapixels
Main camera resolution	2048x1536 pixels	2592x1944 pixels
Video recording (primary)	VGA (720x480) 30 fps	VGA (640x480) 30 fps
Flash	Not supported	LED flash
Focal aperture	feature not registered	feature not registered
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	feature not registered
Autofocus	Autofocus	Autofocus
Touch focus	feature not registered	Not supported
Image stabilization	feature not registered	Not supported
Zoom	Only digital zoom	Only digital zoom
Face/smile detection	feature not registered	Face detection
BSI sensor	feature not registered	Not supported
HDR	feature not registered	Not supported
Camera extras	feature not registered	feature not registered
📸 Front camera
	T-Mobile Sidekick 4G (SGH-T839)	Motorola Defy (ME525)
Front camera (secondary)	0.3 megapixels	Not supported
Front camera resolution	640x480 pixels	Not supported
Video recording (secondary)	Not supported	Not supported
Front flash	Not supported	Not supported
Focal aperture	feature not registered	feature not registered
Focal length	feature not registered	feature not registered
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)	Motorola Defy (ME525)
Loudspeaker	Supported	Mono sound (not stereo)
Active noise cancellation	feature not registered	2 microphones
Radio	Not supported	FM (RDS)
TV	Not supported	Not supported
Video formats	MP4, H.264, H.263	MP4, WMV, H.263, H.264
Audio formats	MP3, WAV, eAAC+	MP3, WAV, WMA, AAC+
🔌 Connectivity
	T-Mobile Sidekick 4G (SGH-T839)	Motorola Defy (ME525)
USB	MicroUSB 2.0	MicroUSB 2.0
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	Not supported
Bluetooth	3.0 + A2DP	2.1 + A2DP
WiFi	802.11 b/g/n [wifi4] (2.4GHz)	802.11 b/g/n [wifi4] (2.4GHz) WiFi hotspot
DLNA	feature not registered	Supported
GPS	A-GPS, GeoTagging	A-GPS, GeoTagging
NFC	Not supported	Not supported
Infrared port	feature not registered	Not supported
🧭 Sensors
	T-Mobile Sidekick 4G (SGH-T839)	Motorola Defy (ME525)
Sensors	Accelerometer Ambient light sensor Proximity sensor	Accelerometer Ambient light sensor Compass Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	T-Mobile Sidekick 4G (SGH-T839)	Motorola Defy (ME525)
Battery type	Li-Ion: lithium-ion (Removable)	Li-Ion: lithium-ion (Removable) BF5X
Battery capacity	1500 mAh	1540 mAh
Charger, watts	Wired charging	Wired charging
Inductive / wireless charging	feature not registered	Not supported
Talk time autonomy	6.5 hours	6.7 hours
Standby	456 hours (19 days)	238 hours (9.9 days)
➕ Other features
	T-Mobile Sidekick 4G (SGH-T839)	Motorola Defy (ME525)
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	Not supported
Ringtones	Polyphonic and customized	Polyphonic and customized
Web browser	HTML, XHTML, Flash player	HTML, XHTML, Flash player
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: Black, White • 2GB microSD included CrystalTalk Plus Java framework
☢️ Radiation rate
	T-Mobile Sidekick 4G (SGH-T839)	Motorola Defy (ME525)
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