T-Mobile Sidekick 4G (SGH-T839) vs Acer Liquid Z4 Duo (Z160)

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Side by side comparison between T-Mobile Sidekick 4G vs Acer Liquid Z4 phones, differences, pros, cons and full specifications. What's the better?

5/21/2017 1:04 PM, updated: 5/10/2020 10:35 PM

Compare Acer Liquid Z4 X T-Mobile Sidekick 4G (SGH-T839) 04Points

Specifications Compare Models Pictures

3.5"
TFT

480x800

3.1
MP

0.3mp

512MB
RAM

Single-core

1500
mAh

(Removable)

11Points Acer Liquid Z4 Duo (Z160) Compare T-Mobile Sidekick 4G X

Specifications Compare Models Pictures

4"
TFT

480x800

5
MP

512MB
RAM

Dual-core

1630
mAh

(Removable)

What's the better phone? Acer Liquid Z4 Duo (Z160)

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!

4 Advantages T-Mobile Sidekick 4G (SGH-T839)	vs	11 Advantages Acer Liquid Z4 Duo (Z160)
+267 PPI15% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	233 PPI
+(front) 0.3MPAdvantage A front-camera is best for taking selfies	vs	Not supported
+Ambient light sensorAdvantage Sensors help you use the device	vs	Not supported
+Video callingAdvantage The video calling allows to make calls with voice and video	vs	Not supported
1GHz 32bit Single-core	vs	+1.3GHz 32bit Dual-core84% More powerful processor, you can open your applications faster
1GB (350MB available)	vs	+4GB (2GB available)5 times More internal storage for applications and files
162 grams (5.67 ounces)	vs	+122 grams (4.27 ounces)33% Lighter
15 millimeters (0.59 inches)	vs	+9.7 millimeters (0.38 inches)55% Thinner
3.5"	vs	+4"14% 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
VGA (720x480)	vs	+HD (1280x720)167% More image quality for recording videos with the primary camera
Android 2.2.1 Froyo	vs	+Android 4.2.2 Jelly BeanAdvantage Android 4.2.2 Jelly Bean is newer and safer
1500 mAh	vs	+1630 mAh9% 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) (dedicated slot)Advantage You can have more mobile carriers/operators on the same device.

22 Common items in both devices

512MB / 512MB LPDDR2

Until 32GB microSD, microSDHC

TFT LCD

16 million

480x800 pixels

Only digital zoom

Autofocus

+15 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)	Acer Liquid Z4 Duo (Z160)
Change model		Choose the model
Model	Sidekick 4G (SGH-T839)	Liquid Z4 Duo (Z160)
Other model names	T-Mobile Sidekick 4G T839, Samsung SGH-T839 Sidekick 4G	Acer Liquid Z160, Acer Liquid Z4 Dual-Sim HM.HEQEM.001
Country or region available	USA	(Global, International), United Arab Emirates, Russia
Brand	T-Mobile	Acer
Release date	4/20/2011	4/1/2014
Depth	15 millimeters (0.59 inches)	9.7 millimeters (0.38 inches)
Size (width x height)	61 x 127 millimeters (2.4 x 5 in)	64 x 124 millimeters (2.52 x 4.88 in)
Weight	162 grams (5.67 ounces)	122 grams (4.27 ounces)
Build, materials	feature not registered	feature not registered
Protection against water and others	Not supported	Not supported
📲 Display
	T-Mobile Sidekick 4G (SGH-T839)	Acer Liquid Z4 Duo (Z160)
Display type	TFT LCD	TFT LCD
Screen size	3.5" inches	4" inches
Screen-to-body ratio	~45% (screen-to-body ratio)	~57.4% (screen-to-body ratio)
Display resolution	480x800 pixels	480x800 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	267 PPI	233 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Not supported
Refresh rate	feature not registered	feature not registered
Display features	feature not registered	feature not registered
🤖 Operating System
	T-Mobile Sidekick 4G (SGH-T839)	Acer Liquid Z4 Duo (Z160)
System version	Android 2.2.1 Froyo	Android 4.2.2 Jelly Bean
Firmware update	feature not registered	feature not registered
User Interface	feature not registered	feature not registered
⚙️ Processor
	T-Mobile Sidekick 4G (SGH-T839)	Acer Liquid Z4 Duo (Z160)
Chipset	32bit: Samsung Exynos 3	32bit: MediaTek MT6572 (28nm)
CPU	Single-core, 1 processor: 1x 1GHz ARM Cortex-A8 (Single-core)	Dual-core, 1 processor: 2x 1.3GHz ARM Cortex-A7 (Dual-core)
GPU graphical controller	PowerVR SGX540	ARM Mali-400 MP1
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	T-Mobile Sidekick 4G (SGH-T839)	Acer Liquid Z4 Duo (Z160)
RAM memory	512MB	512MB LPDDR2
Internal storage	1GB (350MB available)	4GB (2GB available)
External storage	Until 32GB microSD, microSDHC (dedicated slot)	Until 32GB microSD, microSDHC (dedicated slot)
📶 Mobile networks
	T-Mobile Sidekick 4G (SGH-T839)	Acer Liquid Z4 Duo (Z160)
Dual-SIM	Not supported	Dual-SIM Standby - Call active on one sim card (dedicated slot)
SIM card	1 slot (Single-SIM) Standard mini-SIM (2FF)	2 slots (Dual-SIM) micro-SIM (3FF)
Maximum Download / Upload	21/5.76 Mbps	21/5.76 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+	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+
Secondary 2G network	Not supported	GSM 850/900/1800/1900
Secondary 3G network	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	Not supported	GPRS, EDGE
📷 Camera
	T-Mobile Sidekick 4G (SGH-T839)	Acer Liquid Z4 Duo (Z160)
Back camera (main camera)	3.1 megapixels	5 megapixels
Main camera resolution	2048x1536 pixels	2592x1944 pixels
Video recording (primary)	VGA (720x480) 30 fps	HD (1280x720) 30 fps
Flash	Not supported	LED flash
Focal aperture	feature not registered	f/2.4 (aperture)
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	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	Not supported
HDR	feature not registered	HDR photo only main camera
Camera extras	feature not registered	feature not registered
📸 Front camera
	T-Mobile Sidekick 4G (SGH-T839)	Acer Liquid Z4 Duo (Z160)
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)	Acer Liquid Z4 Duo (Z160)
Loudspeaker	Supported	Supported
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.264, H.263
Audio formats	MP3, WAV, eAAC+	MP3, WAV, WMA, eAAC+
🔌 Connectivity
	T-Mobile Sidekick 4G (SGH-T839)	Acer Liquid Z4 Duo (Z160)
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	3.0 + A2DP
WiFi	802.11 b/g/n [wifi4] (2.4GHz)	802.11 b/g/n [wifi4] (2.4GHz)
DLNA	feature not registered	Not 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)	Acer Liquid Z4 Duo (Z160)
Sensors	Accelerometer Ambient light sensor Proximity sensor	Accelerometer Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	T-Mobile Sidekick 4G (SGH-T839)	Acer Liquid Z4 Duo (Z160)
Battery type	Li-Ion: lithium-ion (Removable)	Li-Ion: lithium-ion (Removable) BAT-611
Battery capacity	1500 mAh	1630 mAh
Charger, watts	Wired charging	Wired charging
Inductive / wireless charging	feature not registered	feature not registered
Talk time autonomy	6.5 hours	4 hours
Standby	456 hours (19 days)	250 hours (10.4 days)
➕ Other features
	T-Mobile Sidekick 4G (SGH-T839)	Acer Liquid Z4 Duo (Z160)
Call control	Voice recorder	Voice dialing, Voice recorder
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
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 • WiFi hotspot
☢️ Radiation rate
	T-Mobile Sidekick 4G (SGH-T839)	Acer Liquid Z4 Duo (Z160)
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