vivo iQOO Z9x vs Samsung Galaxy A55

Phones Images

PHONES
Phone Names	vivo iQOO Z9x	Samsung Galaxy A55

Network
2G bands	GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900
3G bands	HSDPA 850 / 900 / 2100	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands	1, 3, 5, 7, 8, 20, 28, 38, 40, 41 - Global	1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 26, 28, 32, 38, 40, 41, 66
5G bands	1, 3, 8, 28, 38, 40, 41, 77, 78 SA/NSA - Global	1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6
Speed	HSPA, LTE, 5G	HSPA, LTE, 5G
Technology	GSM / CDMA / HSPA / LTE / 5G	GSM / HSPA / LTE / 5G

Launch
Announced	2024, April 24	2024, March 11
Status	Available. Released 2024, April 29	Available. Released 2024, March 15

Body
Build	Glass front, plastic back, plastic frame	Glass front (Gorilla Glass Victus+), glass back (Gorilla Glass), aluminum frame
Dimensions	165.7 x 76 x 8 mm (6.52 x 2.99 x 0.31 in)	161.1 x 77.4 x 8.2 mm (6.34 x 3.05 x 0.32 in)
SIM	Nano-SIM + Nano-SIM	· Nano-SIM· Nano-SIM + eSIM· Nano-SIM + Nano-SIM· Nano-SIM + Nano-SIM + eSIM (max 2 at a time)
Weight	199 g (7.05 oz)	213 g (7.51 oz)

Display
Protection	-	Corning Gorilla Glass Victus+
Resolution	1080 x 2408 pixels, 20:9 ratio (~393 ppi density)	1080 x 2340 pixels, 19.5:9 ratio (~390 ppi density)
Size	6.72 inches, 108.8 cm2 (~86.4% screen-to-body ratio)	6.6 inches, 106.9 cm2 (~85.8% screen-to-body ratio)
Type	IPS LCD, 120Hz, 1000 nits (peak)	Super AMOLED, 120Hz, HDR10+, 1000 nits (HBM)

Platform
CPU	Octa-core (4x2.2 GHz Cortex-A78 & 4x1.8 GHz Cortex-A55)	Octa-core (4x2.75 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
Chipset	Qualcomm SM6450 Snapdragon 6 Gen 1 (4 nm)	Exynos 1480 (4 nm)
GPU	Adreno 710	Xclipse 530
OS	Android 14, Funtouch OS 14 (International), OriginOS (China)	Android 14, up to 4 major Android upgrades, One UI 6.1

Memory
Card slot	microSDXC (uses shared SIM slot)	microSDXC (uses shared SIM slot)
Internal	128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM	128GB 6GB RAM, 128GB 8GB RAM, 256GB 6GB RAM, 256GB 8GB RAM, 256GB 12GB RAM

Main Camera
Dual	50 MP, f/1.8, (wide), 1/1.95", 0.8µm, PDAF Auxiliary lens	-
Features	LED flash, panorama, HDR	LED flash, panorama, HDR
Triple	-	50 MP, f/1.8, (wide), 1/1.56", 1.0µm, PDAF, OIS 12 MP, f/2.2, 123˚ (ultrawide), 1/3.06", 1.12µm 5 MP (macro)
Video	4K, 1080p, gyro-EIS	4K@30fps, 1080p@30/60fps, gyro-EIS

Selfie camera
Single	8 MP, f/2.1, (wide)	32 MP, f/2.2, 26mm (wide), 1/2.74", 0.8µm
Video	1080p@30fps	4K@30fps, 1080p@30/60fps

Sound
35mm jack	Yes	No
Loudspeaker	Yes, with stereo speakers	Yes, with stereo speakers

Comms
Bluetooth	5.1, A2DP, LE, aptX HD, aptX Adaptive	5.3, A2DP, LE
NFC	Yes (market/region dependent)	Yes (market/region dependent)
Positioning	GPS, GALILEO, GLONASS, QZSS, BDS (B1I+B1c)	GPS, GALILEO, GLONASS, BDS, QZSS
Radio	Unspecified	No
USB	USB Type-C 2.0, OTG	USB Type-C 2.0, OTG
WLAN	Wi-Fi 802.11 a/b/g/n/ac, dual-band	Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct

Features
Sensors	Fingerprint (side-mounted), accelerometer, gyro, proximity, compass	Fingerprint (under display, optical), accelerometer, gyro, compass

Battery
Charging	44W wired Reverse wired	25W wired
Type	6000 mAh	Li-Ion 5000 mAh

Misc
Colors	Tornado Green (Northern Green), Storm Grey (Mystic Black), White	Iceblue, Lilac, Navy, Lemon
Models	V2353A, I2219	SM-A556V, SM-A556B, SM-A556B/DS, SM-A556E, SM-A556E/DS, SM-A5560
Price	₹ 13,499	$ 324.99 / £ 251.50 / € 319.99 / ₹ 23,998
SAR EU	-	0.68 W/kg (head)     1.04 W/kg (body)

OUR TESTS
Battery	-	Active use score 13:27h
Display	-	1010 nits max brightness (measured)
Loudspeaker	-	-25.7 LUFS (Very good)
Performance	-	AnTuTu: 635598 (v9), 726158 (v10) GeekBench: 3259 (v5), 3350 (v6) 3DMark: 1024 (Wild Life Extreme)