Lenovo Z5s (128GB) vs Samsung Galaxy S21 Ultra (SM-G998B 512GB)

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Side by side comparison between Lenovo Z5s vs Samsung Galaxy S21 Ultra phones, differences, pros, cons and full specifications. What's the better?

11/14/2021 4:13 PM, updated: 11/21/2023 5:01 AM

Compare Samsung Galaxy S21 Ultra X Lenovo Z5s (128GB) 05Points

Specifications Compare Models Pictures

6.3"
IPS

1080x2340

16
MP

16mp

6GB
RAM

Octa-core

3300
mAh

(Non removable)

27Points Samsung Galaxy S21 Ultra (SM-G998B 512GB) Compare Lenovo Z5s X

Specifications Compare Models Pictures

6.8"
AMOLED

1440x3200

108
MP

40mp

16GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? Samsung Galaxy S21 Ultra (SM-G998B 512GB)

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!

5 Advantages Lenovo Z5s (128GB)	vs	27 Advantages Samsung Galaxy S21 Ultra (SM-G998B 512GB)
+Until 256GB microSD, microSDXCAdvantage More external storage for files using memory cards	vs	Not supported
+172 grams (6.02 ounces)32% Lighter	vs	227 grams (7.95 ounces)
+7.85 millimeters (0.31 inches)13% Thinner	vs	8.9 millimeters (0.35 inches)
+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light	vs	LED flash
+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores	vs	Type-C reversible connector
2.2GHz 64bit Octa-core	vs	+2.9GHz 64bit Octa-core (5nm)21% More powerful processor, you can open your applications faster
6GB LPDDR4X	vs	+16GB LPDDR5167% More RAM memory. Typically more responsive and better for multitasking.
128GB (108GB available)	vs	+512GB (457GB available)3 times More internal storage for applications and files
eMMC 5.1	vs	+UFS 3.1Advantage Fastest write and read storage.
LTPS IPS LCD	vs	+Dynamic AMOLEDAdvantage Dynamic AMOLED display is brighter and more vivid
1080x2340 pixels	vs	+1440x3200 pixels82% Higher resolution screen
409 PPI	vs	+516 PPI26% Crisper display of text, images and videos because it has more pixels per inch (ppi)
6.3"	vs	+6.8"8% Larger screen
(triple camera) 16MP + 8MP + 5MP	vs	+(quad camera) 108MP + 10MP + 10MP + 12MP4 times Higher resolution main camera
EIS: Digital stabilization	vs	+OIS: Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video
(front) 16MP	vs	+(front) 40MP151% Higher resolution secondary camera to take pictures and selfies
4K UHD (3840x2160)	vs	+8K UHD (7680x4320)3 times More image quality for recording videos with the primary camera
(front) Full HD (1920x1080)	vs	+(front) 4K UHD (3840x2160)3 times More image quality for recording videos with the secondary camera
Android 9.0 Pie	vs	+Android 14Advantage Android 14 is newer and safer
4G LTE-A	vs	+5G SA/NSAAdvantage The 5G SA/NSA network is newer and faster
(4G LTE-A) 300 Mbps	vs	+(5G SA/NSA) 5000 Mbps16 times Faster for surfing the internet and download files
Not supported	vs	+BarometerAdvantage Sensors help you use the device
Not supported	vs	+UWB (Ultra Wideband)Advantage Sensors help you use the device
3300 mAh	vs	+5000 mAh52% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
15W	vs	+25W67% More power (watts) to charge the battery faster. Sometimes, the charger that comes with the device doesn't have the same power supported by the device. Check before you buy it.
2 slots (Dual-SIM) (hybrid slot/shares the same microSD slot)	vs	+1 slot (Single-SIM) + e-SIM (Eletronic)Advantage You can have more mobile carriers/operators on the same device.
802.11 a/b/g/n/ac [wifi5]	vs	+802.11 a/b/g/n/ac/ax [wifi6]Advantage WiFi 802.11 a/b/g/n/ac/ax [wifi6] is newer and faster
Not supported	vs	+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
5.0 + A2DP/LE	vs	+5.2 + A2DP/LEAdvantage Bluetooth 5.2 + A2DP/LE is newer and faster
Not supported	vs	+NFCAdvantage NFC allows you to make payments by approach quickly and securely
USB 2.0 Type-C reversible connector	vs	+USB 3.2 Type-C, USB OTG On-The-GoAdvantage Newer and faster USB version for transferring photos, mp3 or data.
Not supported	vs	+IP68 certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example

20 Common items in both devices

Aluminum frame, glass front/back

16 million

Digital and optical zoom

PDAF: phase detection autofocus / PDAF: phase detection autofocus on both cameras

HDR photo on both cameras / HDR photo/video on both cameras

f/1.8 (aperture)

Capacitive

+13 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 Z5s (128GB)	Galaxy S21 Ultra (SM-G998B 512GB)
Change model		Choose the model
Model	Z5s (128GB)	Galaxy S21 Ultra (SM-G998B 512GB)
Other model names	Lenovo Z5s L78071 (128GB + 6GB RAM)	Galaxy S21 Ultra 5G (SM-G998B Single-SIM)
Country or region available	China, Hong Kong	Australia
Brand	Lenovo	Samsung
Release date	12/1/2018	1/29/2021, Announced: 1/14/2021
Depth	7.85 millimeters (0.31 inches)	8.9 millimeters (0.35 inches)
Size (width x height)	74.56 x 156.7 millimeters (2.94 x 6.17 in)	75.6 x 165.1 millimeters (2.98 x 6.5 in)
Weight	172 grams (6.02 ounces)	227 grams (7.95 ounces)
Build, materials	Aluminum frame, glass front/back	Aluminum frame, glass front/back
Protection against water and others	Not supported	IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant
📲 Display
	Lenovo Z5s (128GB)	Galaxy S21 Ultra (SM-G998B 512GB)
Display type	LTPS IPS LCD	Dynamic AMOLED
Screen size	6.3" inches	6.8" inches
Screen-to-body ratio	~83.4% (screen-to-body ratio)	~89.4% (screen-to-body ratio)
Display resolution	1080x2340 pixels	1440x3200 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch 10-points
Pixel density (dot pitch)	409 PPI	516 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 3	Gorilla Glass Victus
Refresh rate	feature not registered	120Hz
Display features	feature not registered	1500nits[peak] HDR10+ Always-On Display
🤖 Operating System
	Lenovo Z5s (128GB)	Galaxy S21 Ultra (SM-G998B 512GB)
System version	Android 9.0 Pie	Android 11
Firmware update	feature not registered	Android 14
User Interface	feature not registered	One UI 3.1 / 4.1 / 5.1 / 6.0
⚙️ Processor
	Lenovo Z5s (128GB)	Galaxy S21 Ultra (SM-G998B 512GB)
Chipset	64bit: Qualcomm Snapdragon 710 SDM710 (10nm)	64bit: Samsung Exynos 2100 (5nm)
CPU	Octa-core, 2 processors: 2x 2.2GHz Kryo 360 Gold (Dual-core) 6x 1.7GHz Kryo 360 Silver (Hexa-core)	Octa-core, 3 processors: 1x 2.9GHz ARM Cortex-X1 (Single-core) 3x 2.8GHz ARM Cortex-A78 (Triple-core) 4x 2.2GHz ARM Cortex-A55 (Quad-core)
GPU graphical controller	Qualcomm Adreno 616 500Mhz	ARM Mali-G78 MP14 (854MHz)
Performance (benchmark)	feature not registered	AnTuTu: 657150 (v8), 727634 (v9) Geekbench: 3457 (v5.2) GFXBench: 51fps (ES 3.1 onscreen)
💽 Memory and storage
	Lenovo Z5s (128GB)	Galaxy S21 Ultra (SM-G998B 512GB)
RAM memory	6GB LPDDR4X	16GB LPDDR5
Internal storage	128GB (108GB available) eMMC 5.1	512GB (457GB available) UFS 3.1
External storage	Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)	Not supported
📶 Mobile networks
	Lenovo Z5s (128GB)	Galaxy S21 Ultra (SM-G998B 512GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot)	Dual-SIM Standby - Call active on one sim card
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	1 slot (Single-SIM) nano-SIM (4FF) + e-SIM
Maximum Download / Upload	300/50 Mbps	5000/1920 Mbps
Network technology	2G, 3G, 4G	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	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 850/900/1700/1900/2100
Primary 4G network	LTE Cat6 (Bands 1, 2, 3, 5, 7, 8, 20) TD-LTE (Bands, 34, 38, 39, 40, 41)	LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66) TD-LTE (38, 39, 40, 41) VoLTE
Primary 5G network	Not supported	SA/NSA/Sub6 (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78)
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, LTE-A	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
Secondary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Secondary 3G network	Not supported	UMTS 850/900/1700/1900/2100
Secondary 4G network	Not supported	LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66) TD-LTE (38, 39, 40, 41) VoLTE
Secondary data network	GPRS, EDGE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
📷 Camera
	Lenovo Z5s (128GB)	Galaxy S21 Ultra (SM-G998B 512GB)
Back camera (main camera)	(triple camera) 16 megapixels 8MP telephoto f/2.4PDAF2x-optical-zoom 5MP depth f/2.4	(quad camera) 108 megapixels 10MP periscope telephoto f/4.9240mm1/3.24"1.22µmPDAFOIS10x-optical-zoom 10MP telephoto f/2.470mm1/3.24"1.22µmPDAFOIS3x-optical-zoom 12MP ultrawide f/2.213mm1/2.55"1.4µmPDAFSuper-Steady-video
Main camera resolution	4608x3456 pixels	12000x9000 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	8K UHD (7680x4320) 24 fps
Flash	Dual-LED flash	LED flash
Focal aperture	f/1.8 (aperture)	f/1.8 (aperture)
Focal length	26mm lens	26mm lens
Sensor size	feature not registered	1/1.33" inches
Pixel size	feature not registered	1.8µm pixel
Autofocus	PDAF: phase detection autofocus	PDAF: phase detection autofocus on both cameras
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	OIS: Optical stabilization
Zoom	Digital and optical zoom	Digital and optical zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Not supported	Supported
HDR	HDR photo on both cameras	HDR photo/video on both cameras
Camera extras	feature not registered	4K@60fps 1080p@240fps 720p@960fps
📸 Front camera
	Lenovo Z5s (128GB)	Galaxy S21 Ultra (SM-G998B 512GB)
Front camera (secondary)	16 megapixels	40 megapixels
Front camera resolution	4608x3456 pixels	7296x5472 pixels
Video recording (secondary)	Full HD (1920x1080)	4K UHD (3840x2160)
Front flash	Not supported	Not supported
Focal aperture	f/2.0 (aperture)	f/2.2 (aperture)
Focal length	26mm lens	26mm lens
Sensor size	1/3.1" inches	1/2.8" inches
Pixel size	1µm pixel	0.7µm pixel
🔉 Sound and multimedia
	Lenovo Z5s (128GB)	Galaxy S21 Ultra (SM-G998B 512GB)
Loudspeaker	Supported	Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM	FM
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, XviD, MKV	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Lenovo Z5s (128GB)	Galaxy S21 Ultra (SM-G998B 512GB)
USB	USB 2.0 Type-C reversible connector	USB 3.2 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	Type-C reversible connector
TV output	Not supported	USB Type-C (reversible)
Bluetooth	5.0 + A2DP/LE	5.2 + A2DP/LE
WiFi	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot	802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Not supported	Supported
GPS	A-GPS, GeoTagging	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Not supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Lenovo Z5s (128GB)	Galaxy S21 Ultra (SM-G998B 512GB)
Sensors	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor	Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gesture Gyroscope Hall effect Proximity sensor UWB (Ultra Wideband)
Vibrating alert	Supported	Supported
🔋 Battery
	Lenovo Z5s (128GB)	Galaxy S21 Ultra (SM-G998B 512GB)
Battery type	Li-Ion: lithium-ion (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	3300 mAh	5000 mAh
Charger, watts	15W Wired fast charging	25W Wired fast charging USB Power Delivery 3.0
Inductive / wireless charging	feature not registered	15W Qi wireless charging (Qi/PMA) 4.5W Reverse wireless charging
Talk time autonomy	19 hours	feature not registered
Standby	290 hours (12.1 days)	feature not registered
➕ Other features
	Lenovo Z5s (128GB)	Galaxy S21 Ultra (SM-G998B 512GB)
Call control	Voice dialing, 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, HTML5	HTML, XHTML, HTML5
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Not supported	Not supported
Miscellaneous	• Colors: Starry Night Grey, Love Orange, Titanium Blue • ZUI 10	• Colors: Phantom Black, Silver, Titanium, Navy, Brown • Samsung Pay (Visa, MasterCard) • Samsung DeX • Stylus pen support
☢️ Radiation rate
	Lenovo Z5s (128GB)	Galaxy S21 Ultra (SM-G998B 512GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	0.24W/kg (head), 0.72W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	feature not registered	0.714W/kg (head), 1.58W/kg (body)