Lenovo Z5s (128GB) vs Samsung Galaxy A51 5G (SM-A516B/DS)

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Side by side comparison between Lenovo Z5s vs Samsung Galaxy A51 5G phones, differences, pros, cons and full specifications. What's the better?

9/28/2020 8:46 PM, updated: 11/21/2022 8:39 AM

Compare Samsung Galaxy A51 5G X Lenovo Z5s (128GB) 07Points

Specifications Compare Models Pictures

6.3"
IPS

1080x2340

16
MP

16mp

6GB
RAM

Octa-core

3300
mAh

(Non removable)

15Points Samsung Galaxy A51 5G (SM-A516B/DS) Compare Lenovo Z5s X

Specifications Compare Models Pictures

6.5"
AMOLED

1080x2400

48
MP

32mp

6GB
RAM

Octa-core

4500
mAh

(Non removable)

What's the better phone? Samsung Galaxy A51 5G (SM-A516B/DS)

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!

7 Advantages Lenovo Z5s (128GB)	vs	15 Advantages Samsung Galaxy A51 5G (SM-A516B/DS)
+172 grams (6.02 ounces)9% Lighter	vs	187 grams (6.55 ounces)
+7.85 millimeters (0.31 inches)11% Thinner	vs	8.7 millimeters (0.34 inches)
+409 PPI1% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	405 PPI
+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light	vs	LED flash
+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures	vs	Only digital zoom
+f/1.8 (aperture)11% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/2.0 (aperture)
+Proximity sensorAdvantage Sensors help you use the device	vs	Virtual proximity sensor
2.2GHz 64bit Octa-core	vs	+2.2GHz 64bit Octa-core (8nm)1% More powerful processor, you can open your applications faster
eMMC 5.1	vs	+UFS 2.1Advantage Fastest write and read storage.
Until 256GB microSD, microSDXC	vs	+Until 1TB microSD, microSDXC3 times More external storage for files using memory cards
LTPS IPS LCD	vs	+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid
1080x2340 pixels	vs	+1080x2400 pixels3% Higher resolution screen
6.3"	vs	+6.5"3% Larger screen
(triple camera) 16MP + 8MP + 5MP	vs	+(quad camera) 48MP + 12MP + 5MP + 5MP142% Higher resolution main camera
(front) 16MP	vs	+(front) 32MP101% Higher resolution secondary camera to take pictures and selfies
(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 13Advantage Android 13 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) 2000 Mbps6 times Faster for surfing the internet and download files
Not supported	vs	+ANT+Advantage Sensors help you use the device
3300 mAh	vs	+4500 mAh36% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Not supported	vs	+NFCAdvantage NFC allows you to make payments by approach quickly and securely

27 Common items in both devices

6GB LPDDR4X

128GB (108GB available) / 128GB (105GB available)

Aluminum frame, glass front/back / Aluminum body, glass front, plastic back

16 million

PDAF: phase detection autofocus

EIS: Digital stabilization

HDR photo on both cameras

+20 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 A51 5G (SM-A516B/DS)
Change model		Choose the model
Model	Z5s (128GB)	Galaxy A51 5G (SM-A516B/DS)
Other model names	Lenovo Z5s L78071 (128GB + 6GB RAM)	Galaxy A51 SM-A516B
Country or region available	China, Hong Kong	(Global, International)
Brand	Lenovo	Samsung
Release date	12/1/2018	4/29/2020, Announced: 4/8/2020
Depth	7.85 millimeters (0.31 inches)	8.7 millimeters (0.34 inches)
Size (width x height)	74.56 x 156.7 millimeters (2.94 x 6.17 in)	73.6 x 158.9 millimeters (2.9 x 6.26 in)
Weight	172 grams (6.02 ounces)	187 grams (6.55 ounces)
Build, materials	Aluminum frame, glass front/back	Aluminum body, glass front, plastic back
Protection against water and others	Not supported	Not supported
📲 Display
	Lenovo Z5s (128GB)	Galaxy A51 5G (SM-A516B/DS)
Display type	LTPS IPS LCD	Super AMOLED
Screen size	6.3" inches	6.5" inches
Screen-to-body ratio	~83.4% (screen-to-body ratio)	~87.2% (screen-to-body ratio)
Display resolution	1080x2340 pixels	1080x2400 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	409 PPI	405 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 3	Gorilla Glass 3
Refresh rate	feature not registered	60Hz
Display features	feature not registered	Always-On Display
🤖 Operating System
	Lenovo Z5s (128GB)	Galaxy A51 5G (SM-A516B/DS)
System version	Android 9.0 Pie	Android 10
Firmware update	feature not registered	Android 13
User Interface	feature not registered	One UI 2.5 / 3.1 / 4.1 / 5.0
⚙️ Processor
	Lenovo Z5s (128GB)	Galaxy A51 5G (SM-A516B/DS)
Chipset	64bit: Qualcomm Snapdragon 710 SDM710 (10nm)	64bit: Samsung Exynos 980 (8nm)
CPU	Octa-core, 2 processors: 2x 2.2GHz Kryo 360 Gold (Dual-core) 6x 1.7GHz Kryo 360 Silver (Hexa-core)	Octa-core, 2 processors: 2x 2.2GHz ARM Cortex-A77 (Dual-core) 6x 1.8GHz ARM Cortex-A55 (Hexa-core)
GPU graphical controller	Qualcomm Adreno 616 500Mhz	ARM Mali-G76 MP5 (728MHz)
Performance (benchmark)	feature not registered	AnTuTu: 316007 (v8) Geekbench: 1867(v5.1) GFXBench: 17fps (ES 3.1 onscreen)
💽 Memory and storage
	Lenovo Z5s (128GB)	Galaxy A51 5G (SM-A516B/DS)
RAM memory	6GB LPDDR4X	6GB LPDDR4X
Internal storage	128GB (108GB available) eMMC 5.1	128GB (105GB available) UFS 2.1
External storage	Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)	Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)
📶 Mobile networks
	Lenovo Z5s (128GB)	Galaxy A51 5G (SM-A516B/DS)
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 (hybrid slot/shares the same microSD slot)
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	300/50 Mbps	2000/200 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 850/900/1900/2100
Primary 4G network	LTE Cat6 (Bands 1, 2, 3, 5, 7, 8, 20) TD-LTE (Bands, 34, 38, 39, 40, 41)	LTE Cat12/13 (1, 3, 4, 5, 7, 8, 12, 20, 28) TD-LTE (38, 40, 41) VoLTE
Primary 5G network	Not supported	SA/NSA/Sub6 (41, 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	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	GPRS, EDGE	GPRS, EDGE
📷 Camera
	Lenovo Z5s (128GB)	Galaxy A51 5G (SM-A516B/DS)
Back camera (main camera)	(triple camera) 16 megapixels 8MP telephoto f/2.4PDAF2x-optical-zoom 5MP depth f/2.4	(quad camera) 48 megapixels 12MP ultrawide f/2.213mm1.12µm 5MP telephoto f/2.440mm 5MP depth f/2.21/5.0"1.12µm
Main camera resolution	4608x3456 pixels	8000x6000 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	4K UHD (3840x2160) 30 fps
Flash	Dual-LED flash	LED flash
Focal aperture	f/1.8 (aperture)	f/2.0 (aperture)
Focal length	26mm lens	26mm lens
Sensor size	feature not registered	1/2" inches
Pixel size	feature not registered	0.8µm pixel
Autofocus	PDAF: phase detection autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	EIS: Digital stabilization
Zoom	Digital and optical zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Not supported	Not supported
HDR	HDR photo on both cameras	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	Lenovo Z5s (128GB)	Galaxy A51 5G (SM-A516B/DS)
Front camera (secondary)	16 megapixels	32 megapixels
Front camera resolution	4608x3456 pixels	6528x4896 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	0.8µm pixel
🔉 Sound and multimedia
	Lenovo Z5s (128GB)	Galaxy A51 5G (SM-A516B/DS)
Loudspeaker	Supported	Supported
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM	FM (RDS)
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 A51 5G (SM-A516B/DS)
USB	USB 2.0 Type-C reversible connector	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	Not supported
Bluetooth	5.0 + A2DP/LE	5.0 + 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 [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Not supported	Not 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 A51 5G (SM-A516B/DS)
Sensors	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor	Accelerometer Ambient light sensor ANT+ Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Virtual proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Lenovo Z5s (128GB)	Galaxy A51 5G (SM-A516B/DS)
Battery type	Li-Ion: lithium-ion (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	3300 mAh	4500 mAh
Charger, watts	15W Wired fast charging	15W Wired fast charging
Inductive / wireless charging	feature not registered	Not supported
Talk time autonomy	19 hours	feature not registered
Standby	290 hours (12.1 days)	feature not registered
➕ Other features
	Lenovo Z5s (128GB)	Galaxy A51 5G (SM-A516B/DS)
Call control	Voice dialing, 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	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: Prism Cube Black, Prism Cube White, Prism Cube Pink
☢️ Radiation rate
	Lenovo Z5s (128GB)	Galaxy A51 5G (SM-A516B/DS)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	0.496W/kg (head), 1.555W/kg (body)