Side-by-side technical data

vivo iQOO Z9s vs Samsung Galaxy M55s

Comparison between vivo iQOO Z9s and Samsung Galaxy M55s: camera, battery, fast charging, display, performance and colors, side by side. More phones from vivo and Samsung.

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vivo

iQOO Z9s

Samsung

Galaxy M55s

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The verdict

Neither runs away with it: each wins something.

Category
Category	iQOO Z9s	Galaxy M55s
Design & display	8.0	7.7
Performance & hardware	6.1	5.8
Camera	6.0	7.5
Connectivity	6.9	7.3
Battery & charging	7.1	5.9

Which one is for you?

vivo iQOO Z9s, if you care about…

Battery Capacity: 5,500 mAh; against 5,000 mAh
RAM Capacity: 12 GB; against 8 GB
Bluetooth Version: Bluetooth 5.4; against Bluetooth 5.2
RAM Type: DDR5; against LPDDR4X

Samsung Galaxy M55s, if you care about…

Expandable Storage: Yes; against No

Specification comparison

Show differences only

Performance

Specification	iQOO Z9s	Galaxy M55s
Processor Model	MediaTek Dimensity 7300	Qualcomm Snapdragon 7 Gen 1
Processor Process Size	4 nm	4 nm
Graphics GPU	Mali-G615 MC2	Qualcomm Adreno 644
Storage Type	UFS 2.2	—
Maximum CPU Clock	2.5 GHz Best value	2.4 GHz
Maximum Storage Capacity	256 GB	256 GB
AnTuTu Score	708,000 Best value	698,000
Geekbench 6 Single-Core	1,026	—
Geekbench 6 Multi-Core	2,932	—
CPU Description	Octa-core processor with 4 Cortex-A78 cores at 2.5 GHz and 4 Cortex-A55 cores at 2.0 GHz.	Octa-core processor with 1x 2.4 GHz Cortex-A710, 3x 2.36 GHz Cortex-A710, and 4x 1.8 GHz Cortex-A510 cores.
Processor Type	Octa-Core	Octa-Core
64-Bit Processor	Yes	Yes
RAM Capacity	12 GB Best value	8 GB
RAM Type	DDR5 Best value	LPDDR4X
Expandable Storage	No	Yes Best value
AnTuTu version	v10	v10

Design

Specification	iQOO Z9s	Galaxy M55s
Body Colors	Titanium, Green	Black, Green
Body Thickness	7.5 mm Best value	7.8 mm
Body Width	75 mm	76.5 mm
Body Height	163.7 mm	163.9 mm
Weight	182 g	180 g Best value
Usable Surface	90.3 % Best value	86.4 %
Body Materials	Glass	Plastic
Resistance Features	IP64	—
Unfolded thickness	7.5 mm	—

Battery

Specification	iQOO Z9s	Galaxy M55s
Battery Capacity	5,500 mAh Best value	5,000 mAh
Battery Type	Li-Ion	Li-Ion
Fast Charge Power	44 W	45 W Best value
Battery Features	Non-Removable, Fast Charging, Rechargeable, Battery Level Indicator, Reverse Charging Best value	Non-Removable, Rechargeable, Fast Charging, Battery Level Indicator, Charger Included

Display

Specification	iQOO Z9s	Galaxy M55s
Display Aspect Ratio	20:9	20:9
Display Technology	AMOLED	Super AMOLED
Peak Display Brightness	1,800 nits Best value	1,000 nits
Display Diagonal	6.77″ Best value	6.7″
Display Horizontal Resolution	1,080 px	1,080 px
Display Vertical Resolution	2,392 px	2,400 px Best value
Display Pixel Density	388 ppi	393 ppi Best value
Display Refresh Rate	120 Hz	120 Hz
Touch Sampling Rate	300 Hz	—
Display Contrast Ratio	8,000,000 :1	—
Display Features	Schott Xensation, HDR10+, Hole-Punch Notch, SGS Certified, 2160Hz PWM, 3840Hz PWM, DCI-P3, 10-Bit Panel, Scratch Resistant, Capacitive Touch, Multi-Touch, Frameless, Always-On Display	Always-On Display, Hole-Punch Notch, Scratch Resistant, Gorilla Glass 5, Capacitive Touch, Multi-Touch, Frameless

Sensors

Specification	iQOO Z9s	Galaxy M55s
Fingerprint Sensor Placement	Under Display	Under Display

Sensor

Specification	iQOO Z9s	Galaxy M55s
Sensor Features	Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass, Light Sensor, Cooling System	Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass, Light Sensor

Software

Specification	iQOO Z9s	Galaxy M55s
Operating System	Android 14	Android 14
OS Family	Android	Android
OS Version	14	14
OS Update Support	3 years Best value	2 years
Google Services	Yes	Yes

Connectivity

Specification	iQOO Z9s	Galaxy M55s
SIM Configurations	Dual Nano-SIM, Dual SIM Dual Standby	Dual Nano-SIM, Dual SIM Dual Standby
Cellular Bands	2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B1, 3G UMTS B5, 3G UMTS B8, 4G LTE B1, 4G LTE B3, 4G LTE B5, 4G LTE B8, 4G LTE B28B, 4G LTE B38, 4G LTE B40, 4G LTE B41, 5G NR n1, 5G NR n3, 5G NR n5, 5G NR n8, 5G NR n28b, 5G NR n40, 5G NR n77, 5G NR n78	2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1700 AWS, 3G UMTS 1900, 3G UMTS 2100, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B12, 4G LTE B17, 4G LTE B20, 4G LTE B25, 4G LTE B26, LTE B28, 4G LTE B38, 4G LTE B40, 4G LTE B41, 4G LTE B66, 5G NR n1, 5G NR n3, 5G NR n5, 5G NR n7, 5G NR n8, 5G NR n20, 5G NR n28, 5G NR n38, 5G NR n40, 5G NR n41, 5G NR n66, 5G NR n77, 5G NR n78
Cellular Technologies	GSM, HSPA, UMTS, LTE, 5G	GSM, HSPA, LTE, 5G
Wi-Fi Standards	Wi-Fi 802.11a/b/g/n/ac/6, Wi-Fi 6E	Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 6E
Wi-Fi Features	Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, MIMO	Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display
Bluetooth Version	Bluetooth 5.4 Best value	Bluetooth 5.2
Bluetooth Profiles	A2DP, LE	A2DP, LE
Navigation Systems	GPS, A-GPS, GLONASS, BeiDou, QZSS, Galileo	GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS, NavIC Best value
Connectivity Features	FM Radio, USB Charging, USB Mass Storage, USB OTG, USB Host 2.0, USB Type-C, Computer Sync, Tethering, VoLTE, USB 2.0	NFC, USB Charging, USB Mass Storage, USB OTG, USB Type-C, USB Host 2.0, Computer Sync, OTA Sync, Tethering, VoLTE, USB 2.0
USB Version	USB 2.0	USB 2.0
SAR American Head	—	0.93 W/kg
Max. download speed	3,270 Mbps Best value	550 Mbps
Max. upload speed	3,270 Mbps	—

Audio

Specification	iQOO Z9s	Galaxy M55s
Audio Features	Stereo Speakers, A2DP, LE, Hi-Res Audio, 24-bit/192kHz Audio	Stereo Speakers, Dolby Atmos, A2DP, LE

Technical

Specification	iQOO Z9s	Galaxy M55s
Model numbers	I2403	SM-M558B, SM-M558B/DS