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Galaxy A55 vs iQOO Z9s

Samsung Galaxy A55 vs Vivo iQOO Z9s

What Galaxy A55 does better (11) and where iQOO Z9s wins (9) — every spec side by side.

Samsung · 2024Galaxy A55

8.1Score

11 advantages≈ $270

Vivo · 2024iQOO Z9s

8.1Score

9 advantages≈ $240

7.4Display8.3

6.3Performance6.3

8.4Camera8.1

5.0Battery7.9

8.5Features4.7

Dimensions

Size comparison

Galaxy A55iQOO Z9s

	Galaxy A55	iQOO Z9s	Difference
Height	161.1 mm	163.7 mm	−2.6 mm
Width	77.4 mm	75 mm	+2.4 mm
Thickness	8.2 mm	7.5 mm	+0.7 mm
Weight	213 g	180 g	+33 g

Drawn to the same scale from the official dimensions (front and side).

Why is Galaxy A55 better than iQOO Z9s?

NFCYes · iQOO Z9s: No
Major OS updates promised4 vs 22×
Water resistance (IPx)IPx7 vs IPx4+75%
Geekbench 6 (multi-core)3,259 vs 2,908+12%
Memory card slotYes · iQOO Z9s: No
Rear cameras2 vs 12×
Ultra-wide cameraYes · iQOO Z9s: No
Selfie camera32 MP vs 16 MP2×
4K selfie videoYes · iQOO Z9s: No
eSIMYes · iQOO Z9s: No
CPU frequency2.75 GHz vs 2.5 GHz+10%

Why is iQOO Z9s better than Galaxy A55?

Wired charging25 W vs 44 W+76%
AnTuTu score635,598 vs 741,427+17%
Battery capacity5,000 mAh vs 5,500 mAh+10%
Peak brightness1,000 nits vs 1,800 nits+80%
4K video frame rate30 fps vs 60 fps2×
Weight213 g vs 180 g+18%
Screen size6.6″ vs 6.8″+3%
Thickness8.2 mm vs 7.5 mm+9%
Screen-to-body ratio85.8% vs 90.3%+5%

Specifications

Side by side

Only differences	Samsung Galaxy A55≈ $2708.1	Vivo iQOO Z9s≈ $2408.1
Design
Weight	213 g	180 g
Thickness	8.2 mm	7.5 mm
Height	161.1 mm	163.7 mm
Width	77.4 mm	75 mm
Frame	Aluminium	Plastic
Back	Glass	—
Ingress protection	IP67	IP64
Water resistance (IPx)	IPx7	IPx4
Glass protection	Corning Gorilla Glass Victus+	Schott Xensation
Colours	Iceblue, Lilac, Navy, Lemon	Titanium Matte, Onyx Green
Display
Screen size	6.6″	6.8″
Panel	Super AMOLED	AMOLED
OLED panel	Yes	Yes
Resolution (width)	1,080 px	1,080 px
Resolution (height)	2,340 px	2,392 px
Pixel density	390 ppi	388 ppi
Refresh rate	120 Hz	120 Hz
Peak brightness	1,000 nits	1,800 nits
Measured brightness	1,010 nits	—
Screen-to-body ratio	85.8%	90.3%
HDR	Yes	Yes
Performance
Chipset	Exynos 1480	Mediatek Dimensity 7300
Chip maker	Exynos	MediaTek
Process	4 nm	4 nm
CPU cores	8	8
CPU frequency	2.75 GHz	2.5 GHz
GPU	Xclipse 530	Mali-G615 MC2
AnTuTu score	635,598	741,427
Geekbench 6 (multi-core)	3,259	2,908
3DMark Wild Life Extreme	1,024	—
Memory
RAM	12 GB	12 GB
Storage (max)	256 GB	256 GB
Storage (base)	128 GB	128 GB
Storage type	UFS 3.1	UFS 2.2
Memory card slot	Yes	No
Camera
Main camera	50 MP	50 MP
Main camera aperture	f/1.8	f/1.8
Main sensor size	1/1.56"	1/1.95"
Rear cameras	2	1
Optical stabilisation	Yes	Yes
Ultra-wide camera	Yes	No
Telephoto camera	No	No
Max video	4K	4K
4K video frame rate	30 fps	60 fps
Selfie camera	32 MP	16 MP
4K selfie video	Yes	No
Battery
Battery capacity	5,000 mAh	5,500 mAh
Battery type	Li-Ion	Li-Ion
Active use (test)	13.4 h	—
Wired charging	25 W	44 W
Charged in 30 min	55%	—
Wireless charging	No	No
Connectivity
5G	Yes	Yes
eSIM	Yes	No
Dual SIM	Yes	Yes
Wi-Fi standard	Wi-Fi 6	Wi-Fi 6
Bluetooth	5.3	5.4
NFC	Yes	No
USB	USB Type-C 2.0	USB Type-C 2.0
USB version	2	2
Satellite navigation	GLONASS, GALILEO, BDS, QZSS	GLONASS, GALILEO, BDS, QZSS
Features
Stereo speakers	Yes	Yes
3.5 mm headphone jack	No	No
Loudspeaker loudness	-25.7 LUFS	—
Fingerprint sensor	Under display	Under display
Barometer	Yes	—
Sensors	Fingerprint (under display, optical), accelerometer, gyro, compass	Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
SAR (head)	0.68 W/kg	—
Software
OS at launch	Android 14	Android 14
Platform	Android	Android
Interface	One UI 8.5	Funtouch 14
Major OS updates promised	4	2