Lenovo ZUK Z1 (Z1221) vs Samsung Galaxy SL (GT-i9003 4GB)

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Side by side comparison between Lenovo ZUK Z1 vs Samsung Galaxy SL phones, differences, pros, cons and full specifications. What's the better?

1/21/2018 6:03 PM, updated: 6/19/2025 8:22 AM

Compare Samsung Galaxy SL X Lenovo ZUK Z1 (Z1221) 26Points

Specifications Compare Models Pictures

5.5"
IPS

1080x1920

13
MP

8mp

3GB
RAM

Quad-core

4100
mAh

(Non removable)

07Points Samsung Galaxy SL (GT-i9003 4GB) Compare Lenovo ZUK Z1 X

Specifications Compare Models Pictures

4"
SLCD

480x800

5
MP

0.3mp

478MB
RAM

Single-core

1650
mAh

(Removable)

What's the better phone? Lenovo ZUK Z1 (Z1221)

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!

26 Advantages Lenovo ZUK Z1 (Z1221)	vs	7 Advantages Samsung Galaxy SL (GT-i9003 4GB)
+2.5GHz 32bit Quad-core3 times More powerful processor, you can open your applications faster	vs	1GHz 32bit Single-core (45nm)
+3GB LPDDR35 times More RAM memory. Typically more responsive and better for multitasking.	vs	478MB LPDDR
+64GB (54GB available)26 times More internal storage for applications and files	vs	4GB (2GB available)
+8.9 millimeters (0.35 inches)19% Thinner	vs	10.59 millimeters (0.42 inches)
+TFT IPS LCDAdvantage TFT IPS LCD display is brighter and more vivid	vs	TFT SuperClear LCD
+1080x1920 pixels4 times Higher resolution screen	vs	480x800 pixels
+401 PPI72% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	233 PPI
+5.5"38% Larger screen	vs	4"
+(back) 13MP160% Higher resolution main camera	vs	(back) 5MP
+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light	vs	Not supported
+OIS: Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video	vs	Not supported
+HDR photo only main cameraAdvantage The HDR technology produced photos with more detail in dark areas	vs	Not supported
+(front) 8MP25 times Higher resolution secondary camera to take pictures and selfies	vs	(front) 0.3MP
+Full HD (1920x1080)5 times More image quality for recording videos with the primary camera	vs	VGA (720x480)
+4G LTEAdvantage The 4G LTE network is newer and faster	vs	3G HSUPA
+(4G LTE) 150 Mbps20 times Faster for surfing the internet and download files	vs	(3G HSUPA) 7.2 Mbps
+Fingerprint sensorAdvantage Sensors help you use the device	vs	Not supported
+GyroscopeAdvantage Sensors help you use the device	vs	Not supported
+4100 mAh148% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	1650 mAh
+2 slots (Dual-SIM)Advantage You can have more mobile carriers/operators on the same device.	vs	1 slot (Single-SIM) (dedicated slot)
+Active noise cancellationAdvantage More noise-canceling microphones allow for better quality in calls and audio for recorded videos	vs	Not supported
+802.11 a/b/g/n/ac [wifi5]Advantage WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster	vs	802.11 b/g/n [wifi4]
+4.1 + A2DPAdvantage Bluetooth 4.1 + A2DP is newer and faster	vs	3.0 + A2DP
+USB 3.1 Type-C reversible connectorAdvantage Newer and faster USB version for transferring photos, mp3 or data.	vs	MicroUSB 2.0
+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.	vs	MicroUSB 2.0
+HTML, XHTML, HTML5Advantage Better sites viewing on the internet	vs	HTML, XHTML, Flash player
Not supported	vs	+Until 32GB microSD, microSDHCAdvantage More external storage for files using memory cards
175 grams (6.13 ounces)	vs	+131 grams (4.59 ounces)34% Lighter
2000000 apps (Google Play Store)	vs	+3500000 apps (Google Play Store)75% More apps available to download and use
LiPo: li-ion polymer (Non removable)	vs	+Li-Ion: lithium-ion (Removable)Advantage Removable battery can be replaced easily
Not supported	vs	+FM (RDS)Advantage The radio lets you listen to your songs and sports in general
Not supported	vs	+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
Not supported	vs	+Gorilla GlassAdvantage Protection against scratches on the screen lets you carry your phone with your keys

14 Common items in both devices

16 million

Only digital zoom

Autofocus

Capacitive

Multitouch

Accelerometer

Ambient light sensor

+7 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
	Lenovo ZUK Z1 (Z1221)	Galaxy SL (GT-i9003 4GB)
Change model		Choose the model
Model	ZUK Z1 (Z1221)	Galaxy SL (GT-i9003 4GB)
Other model names	Lenovo Zuk Z1221, Lenovo Z1221	Samsung Galaxy SL i9003
Country or region available	(Global, International), China, Hong Kong	(Europe), (Global, International), Egypt, United Arab Emirates
Brand	Lenovo	Samsung
Release date	9/1/2015	3/19/2011
Depth	8.9 millimeters (0.35 inches)	10.59 millimeters (0.42 inches)
Size (width x height)	77.3 x 155.7 millimeters (3.04 x 6.13 in)	64.2 x 123.7 millimeters (2.53 x 4.87 in)
Weight	175 grams (6.13 ounces)	131 grams (4.59 ounces)
Build, materials	feature not registered	Plastic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Lenovo ZUK Z1 (Z1221)	Galaxy SL (GT-i9003 4GB)
Display type	TFT IPS LCD	TFT SuperClear LCD
Screen size	5.5" inches	4" inches
Screen-to-body ratio	~69.3% (screen-to-body ratio)	~57.3% (screen-to-body ratio)
Display resolution	1080x1920 pixels	480x800 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	401 PPI	233 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
	Lenovo ZUK Z1 (Z1221)	Galaxy SL (GT-i9003 4GB)
System version	CyanogenMod 12.1	Android 2.2.1 Froyo
Firmware update	CyanogenMod 13	Android 2.3.6 Gingerbread
User Interface	feature not registered	TouchWiz UI
⚙️ Processor
	Lenovo ZUK Z1 (Z1221)	Galaxy SL (GT-i9003 4GB)
Chipset	32bit: Qualcomm Snapdragon 801 MSM8974-AC (28nm)	32bit: Texas Instruments OMAP 3630 (45nm)
CPU	Quad-core, 1 processor: 4x 2.5GHz Krait 400 (Quad-core)	Single-core, 1 processor: 1x 1GHz ARM Cortex-A8 (Single-core)
GPU graphical controller	Qualcomm Adreno 330 578Mhz	PowerVR SGX530 MP1
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Lenovo ZUK Z1 (Z1221)	Galaxy SL (GT-i9003 4GB)
RAM memory	3GB LPDDR3	478MB LPDDR
Internal storage	64GB (54GB available)	4GB (2GB available)
External storage	Not supported	Until 32GB microSD, microSDHC (dedicated slot)
📶 Mobile networks
	Lenovo ZUK Z1 (Z1221)	Galaxy SL (GT-i9003 4GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card	Not supported
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	1 slot (Single-SIM) Standard mini-SIM (2FF)
Maximum Download / Upload	150/50 Mbps	7.2/5.76 Mbps
Network technology	2G, 3G, 4G	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	CDMA 800, GSM 850/900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100	UMTS 900/1900/2100
Primary 4G network	LTE Cat4 1800/2100/2600 (Bands 1,3,7) TD-LTE 1900/2300/2500/2600 (Bands 38,39,40,41)	Not supported
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE	CSD, GPRS, EDGE, UMTS, HSDPA, HSUPA
Secondary 2G network	GSM 850/900/1800/1900	Not supported
Secondary 3G network	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	GPRS, EDGE	Not supported
📷 Camera
	Lenovo ZUK Z1 (Z1221)	Galaxy SL (GT-i9003 4GB)
Back camera (main camera)	13 megapixels	5 megapixels
Main camera resolution	4128x3096 pixels	2560x1920 pixels
Video recording (primary)	Full HD (1920x1080) 60 fps	VGA (720x480) 30 fps
Flash	Dual-LED flash	Not supported
Focal aperture	f/2.2 (aperture)	feature not registered
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	1.12µm pixel	feature not registered
Autofocus	Autofocus	Autofocus
Touch focus	Supported	Supported
Image stabilization	OIS: Optical stabilization	Not supported
Zoom	Only digital zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Not supported	Not supported
HDR	HDR photo only main camera	Not supported
Camera extras	feature not registered	feature not registered
📸 Front camera
	Lenovo ZUK Z1 (Z1221)	Galaxy SL (GT-i9003 4GB)
Front camera (secondary)	8 megapixels	0.3 megapixels
Front camera resolution	3264x2448 pixels	640x480 pixels
Video recording (secondary)	Full HD (1920x1080)	Not supported
Front flash	Not supported	Not supported
Focal aperture	f/2.2 (aperture)	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
	Lenovo ZUK Z1 (Z1221)	Galaxy SL (GT-i9003 4GB)
Loudspeaker	Supported	Mono sound (not stereo)
Active noise cancellation	2 microphones or more	1 microphone
Radio	Not supported	FM (RDS)
TV	Not supported	Not supported
Video formats	MP4, H.264, H.263	MP4, DivX, WMV, H.264, H.263
Audio formats	MP3, WAV, OGG, eAAC+, FLAC	MP3, WAV, eAAC+, AC3, FLAC
🔌 Connectivity
	Lenovo ZUK Z1 (Z1221)	Galaxy SL (GT-i9003 4GB)
USB	USB 3.1 Type-C reversible connector	MicroUSB 2.0
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	Not supported
Bluetooth	4.1 + A2DP	3.0 + A2DP
WiFi	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO	802.11 b/g/n [wifi4] (2.4GHz) WiFi hotspot
DLNA	Not supported	Supported
GPS	A-GPS, GeoTagging, GLONASS	A-GPS, GeoTagging
NFC	Not supported	Not supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Lenovo ZUK Z1 (Z1221)	Galaxy SL (GT-i9003 4GB)
Sensors	Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Hall effect Proximity sensor	Accelerometer Ambient light sensor Compass Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Lenovo ZUK Z1 (Z1221)	Galaxy SL (GT-i9003 4GB)
Battery type	LiPo: li-ion polymer (Non removable)	Li-Ion: lithium-ion (Removable) EB575152LU
Battery capacity	4100 mAh	1650 mAh
Charger, watts	10W (5V/2A) Wired charging	Wired charging
Inductive / wireless charging	feature not registered	Not supported
Talk time autonomy	38 hours (1.6 days)	7.5 hours
Standby	526 hours (21.9 days)	550 hours (22.9 days)
➕ Other features
	Lenovo ZUK Z1 (Z1221)	Galaxy SL (GT-i9003 4GB)
Call control	Voice dialing, Voice recorder, Voice commands	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, HTML5	HTML, XHTML, Flash player
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Not supported	Not supported
Miscellaneous	• Colors: White, Dark Gray • USB OTG On-The-Go • Aluminum body • Sony IMX214 sensor back camera • Fast battery charging: 100% in 2,5h • WiFi hotspot	• Colors: Black on silver • HD 720p video recording with update Android • Java framework
☢️ Radiation rate
	Lenovo ZUK Z1 (Z1221)	Galaxy SL (GT-i9003 4GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	0.336W/kg (head), 0.499W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	feature not registered	0.31W/kg (head), 0.828W/kg (body)