Screen size
iQOO Z11xWinner: 6.8"+2.7%
Y55 5G6.6"
Quick verdict
iQOO Z11x leads the measured specs 12-8.
Measured wins
iQOO Z11x
12
spec wins
Overall winner
Ties
3
equal specs
Y55 5G
8
spec wins
Screen size
Technology
iQOO Z11x
GSM / HSPA / LTE / 5G
Y55 5G
GSM / HSPA / LTE / 5G
2G bands
iQOO Z11x
GSM 850 / 900 / 1800 / 1900
Y55 5G
GSM 850 / 900 / 1800 / 1900
3G bands
iQOO Z11x
HSDPA 850 / 900 / 2100
Y55 5G
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
iQOO Z11x
1, 3, 5, 8, 28, 38, 40, 41
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
equal specsMain camera
equal specsFront camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
3.5mm jack
SD card
Stereo speakers
Y55 5G
1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 32, 38, 39, 40, 41
5G bands
iQOO Z11x
1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA
Y55 5G
1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 78 SA/NSA
Speed
iQOO Z11x
HSPA, LTE, 5G
Y55 5G
HSPA, LTE, 5G
Announced
iQOO Z11x
2026, March 12
Y55 5G
2022, January 17
Status
iQOO Z11x
Released Mar 2026
Y55 5G
Available. Released 2022, January 17
Dimensions
iQOO Z11x
166.6 x 78.4 x 8.4 mm (6.56 x 3.09 x 0.33 in)
Y55 5G
164 x 75.9 x 8.3 mm (6.46 x 2.99 x 0.33 in)
Weight
iQOO Z11x
219 g (7.72 oz)
Y55 5G
187 g (6.60 oz)
Build
iQOO Z11x
Glass front, plastic frame, plastic back
Y55 5G
Glass front, plastic frame, plastic back
SIM
iQOO Z11x
Nano-SIM + Nano-SIM
Y55 5G
Nano-SIM + Nano-SIM
Other
iQOO Z11x
IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min)
Y55 5G
-
Type
iQOO Z11x
IPS LCD, 120Hz, 1200 nits (HBM)
Y55 5G
IPS LCD
Size
iQOO Z11x
6.76 inches, 112.1 cm2 (~85.8% screen-to-body ratio)
Y55 5G
6.58 inches, 104.3 cm2 (~83.8% screen-to-body ratio)
Resolution
iQOO Z11x
1080 x 2344 pixels, 19.5:9 ratio (~382 ppi density)
Y55 5G
1080 x 2408 pixels, 20:9 ratio (~401 ppi density)
OS
iQOO Z11x
Android 16, OriginOS 6
Y55 5G
Android 11, Funtouch 12
Chipset
iQOO Z11x
Mediatek Dimensity 7400 Turbo (4 nm)
Y55 5G
Mediatek Dimensity 700 (7 nm)
CPU
iQOO Z11x
Octa-core (4x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
Y55 5G
Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
iQOO Z11x
Mali-G615 MC2
Y55 5G
Mali-G57 MC2
Card slot
iQOO Z11x
No
Y55 5G
microSDXC
Internal
iQOO Z11x
128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
Y55 5G
128GB 4GB RAM, 128GB 6GB RAM
Other
iQOO Z11x
UFS 3.1
Y55 5G
-
Dual
iQOO Z11x
50 MP, (wide), 1/2.93", PDAF Auxiliary lens
Y55 5G
-
Features
iQOO Z11x
LED flash, HDR, panorama
Y55 5G
Dual-LED flash, HDR, panorama
Video
iQOO Z11x
4K@30fps, 1080p@30fps, gyro-EIS
Y55 5G
1080p@30fps, gyro-EIS
Triple
iQOO Z11x
-
Y55 5G
50 MP, f/1.8, 26mm (wide), PDAF 2 MP (macro) Auxiliary lens
Single
iQOO Z11x
32 MP, (wide)
Y55 5G
8 MP, f/1.8, (wide)
Video
iQOO Z11x
4K@30fps, 1080p@30fps
Y55 5G
1080p@30fps
Loudspeaker
iQOO Z11x
Yes, with stereo speakers
Y55 5G
Yes
3.5mm jack
iQOO Z11x
No
Y55 5G
Yes
WLAN
iQOO Z11x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Y55 5G
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
iQOO Z11x
5.4, A2DP, LE
Y55 5G
5.1, A2DP, LE
Positioning
iQOO Z11x
GPS, GALILEO, GLONASS, BDS, QZSS
Y55 5G
GPS, GLONASS, GALILEO, BDS, QZSS
NFC
iQOO Z11x
No
Y55 5G
Yes
Radio
iQOO Z11x
No
Y55 5G
FM radio
USB
iQOO Z11x
USB Type-C 2.0, OTG
Y55 5G
USB Type-C, OTG
Sensors
iQOO Z11x
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Y55 5G
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Type
iQOO Z11x
Si/C Li-Ion 7200 mAh
Y55 5G
5000 mAh
Charging
iQOO Z11x
44W wired, PPS, 50% in 43 min Reverse wired Bypass Charging
Y55 5G
18W wired
Colors
iQOO Z11x
Prismatic Green, Titan Black
Y55 5G
Black, Blue
Models
iQOO Z11x
I2507
Y55 5G
V2127, V2154
Price
iQOO Z11x
-
Y55 5G
About 250 EUR