vivo iQOO Z7s vs vivo Y51 (2020, September)

Side-by-side specs and price comparison for buyers in Algeria.

Phone 1

Phone 2

Vivo

vivo iQOO Z7s

Price coming soon

Vivo

vivo Y51 (2020, September)

Price coming soon

Quick Verdict

Who wins each category, side by side.

Better price

Even

Faster chip

Even

Bigger battery

Even

Faster charging

vivo iQOO Z7s

Higher-resolution camera

vivo iQOO Z7s

Better display

vivo iQOO Z7s

Lighter body

vivo iQOO Z7s

Best value for money

Even

Full specs comparison

Display

Spec	vivo iQOO Z7s	vivo Y51 (2020, September)
Size (inches)	6.38	6.38
Panel Type	AMOLED	AMOLED
Resolution Height	2400	2340
Resolution Width	1080	1080
Refresh Rate	90	—
Peak Brightness	1300	—
PPI	413	404
Glass Type	Schott Xensation glass	—
Screen-to-body	84.1	83.4

Platform

Spec	vivo iQOO Z7s	vivo Y51 (2020, September)
CPU	Octa-core (2x2.2 GHz Kryo 660 Gold & 6x1.7 GHz Kryo 660 Silver)	Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
GPU	Adreno 619	Adreno 610
Chipset Name	Snapdragon 695 5G	Snapdragon 665
Process (nm)	6	11
OS Name	Android	Android
OS Version	13	10

Memory

Spec	vivo iQOO Z7s	vivo Y51 (2020, September)
Card Slot	microSDXC (uses shared SIM slot)	microSDXC (uses shared SIM slot)
Variants	128GB 6GB RAM, 128GB 8GB RAM	128GB 4GB RAM

Main Camera

Spec	vivo iQOO Z7s	vivo Y51 (2020, September)
Video	1080p@30fps	1080p@30fps, gyro-EIS
Features	LED flash, HDR, panorama	LED flash, HDR, panorama
Count	2	4
Depth	2 MP, f/2.4, (depth)	2 MP, f/2.4, (depth)
Macro	—	2 MP, f/2.4, (macro)
ultrawide	—	8 MP, f/2.2, (ultrawide)
Wide	64 MP, (wide)	48 MP, f/1.8, (wide)

Selfie Camera

Spec	vivo iQOO Z7s	vivo Y51 (2020, September)
Video	1080p@30fps	1080p@30fps
Features	—	HDR
Count	1	1
Lens	16 MP, f/2, (wide)	16 MP, f/2, (wide)

Battery

Spec	vivo iQOO Z7s	vivo Y51 (2020, September)
Capacity (mAh)	4500	4500
Wired Charging (W)	44	18

Body

Spec	vivo iQOO Z7s	vivo Y51 (2020, September)
SIM	Nano-SIM + Nano-SIM	Nano-SIM + Nano-SIM
Height (mm)	158.9	159.3
Thickness (mm)	7.8	8.7
Weight (g)	172	186.7
Width (mm)	73.5	75.2

Launch

Spec	vivo iQOO Z7s	vivo Y51 (2020, September)
Announced	2023, May 22	2020, September 15
Status	Available. Released 2023, May 22	Available. Released 2020, September 19

Network

Spec	vivo iQOO Z7s	vivo Y51 (2020, September)
2G Bands	GSM 850, 900, 1800, 1900	GSM 850, 900, 1800, 1900
3G Bands	HSDPA 850, 900, 2100	HSDPA 850, 900, 2100
4G Bands	1, 3, 5, 8, 38, 40, 41	1, 3, 5, 8, 40
5G Bands	1, 3, 8, 28, 77, 78 SA/NSA	—
Speed	HSPA, LTE, 5G	HSPA, LTE
Technology	GSM, HSPA, LTE, 5G	GSM, HSPA, LTE

Connectivity

Spec	vivo iQOO Z7s	vivo Y51 (2020, September)
Bluetooth	5.1	5
NFC	No	No
Positioning	GPS, GLONASS, GALILEO, BDS, QZSS	GPS, GLONASS, GALILEO, BDS
Radio	Unspecified	FM radio
USB Type	Type-C	Type-C
USB Version	2.0	2.0
Wi-Fi	Wi-Fi 5	Wi-Fi 5

Sound

Spec	vivo iQOO Z7s	vivo Y51 (2020, September)
3.5mm Jack	Yes	Yes
Loudspeaker	Yes	Yes

Features

Spec	vivo iQOO Z7s	vivo Y51 (2020, September)
Sensors	Fingerprint (under display, optical), accelerometer, gyro, proximity, compass	Fingerprint (under display, optical), accelerometer, gyro, proximity, compass