Screen size
Quick verdict
iQOO Z11x leads the measured specs 17-3.
Measured wins
iQOO Z11x
17
spec wins
Overall winner
Ties
3
equal specs
Y15
3
spec wins
Screen size
Technology
iQOO Z11x
GSM / HSPA / LTE / 5G
Y15
GSM / HSPA / LTE
2G bands
iQOO Z11x
GSM 850 / 900 / 1800 / 1900
Y15
GSM 850 / 900 / 1800 / 1900
3G bands
iQOO Z11x
HSDPA 850 / 900 / 2100
Y15
HSDPA 850 / 900 / 2100
4G bands
iQOO Z11x
1, 3, 5, 8, 28, 38, 40, 41
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
equal specsUSB
equal specs5G support
NFC
equal specs3.5mm jack
SD card
Stereo speakers
Y15
1, 3, 5, 8, 40, 41
5G bands
iQOO Z11x
1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA
Y15
-
Speed
iQOO Z11x
HSPA, LTE, 5G
Y15
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
Announced
iQOO Z11x
2026, March 12
Y15
2019, May 28. Released 2019, May
Status
iQOO Z11x
Released Mar 2026
Y15
Discontinued
Dimensions
iQOO Z11x
166.6 x 78.4 x 8.4 mm (6.56 x 3.09 x 0.33 in)
Y15
159.4 x 76.8 x 8.9 mm (6.28 x 3.02 x 0.35 in)
Weight
iQOO Z11x
219 g (7.72 oz)
Y15
190.5 g (6.74 oz)
Build
iQOO Z11x
Glass front, plastic frame, plastic back
Y15
Glass front, plastic back, plastic frame
SIM
iQOO Z11x
Nano-SIM + Nano-SIM
Y15
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)
Y15
-
Type
iQOO Z11x
IPS LCD, 120Hz, 1200 nits (HBM)
Y15
IPS LCD
Size
iQOO Z11x
6.76 inches, 112.1 cm2 (~85.8% screen-to-body ratio)
Y15
6.35 inches, 99.6 cm2 (~81.4% screen-to-body ratio)
Resolution
iQOO Z11x
1080 x 2344 pixels, 19.5:9 ratio (~382 ppi density)
Y15
720 x 1544 pixels, 19.3:9 ratio (~268 ppi density)
OS
iQOO Z11x
Android 16, OriginOS 6
Y15
Android 9.0 (Pie), Funtouch 9
Chipset
iQOO Z11x
Mediatek Dimensity 7400 Turbo (4 nm)
Y15
Mediatek MT6762 Helio P22 (12 nm)
CPU
iQOO Z11x
Octa-core (4x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
Y15
Octa-core 2.0 GHz Cortex-A53
GPU
iQOO Z11x
Mali-G615 MC2
Y15
PowerVR GE8320
Card slot
iQOO Z11x
No
Y15
microSDXC (dedicated slot)
Internal
iQOO Z11x
128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
Y15
64GB 4GB RAM
Other
iQOO Z11x
UFS 3.1
Y15
eMMC 5.1
Dual
iQOO Z11x
50 MP, (wide), 1/2.93", PDAF Auxiliary lens
Y15
-
Features
iQOO Z11x
LED flash, HDR, panorama
Y15
LED flash, HDR, panorama
Video
iQOO Z11x
4K@30fps, 1080p@30fps, gyro-EIS
Y15
1080p@30fps
Triple
iQOO Z11x
-
Y15
13 MP, f/2.2, PDAF 8 MP, f/2.2, 16mm (ultrawide) Auxiliary lens
Single
iQOO Z11x
32 MP, (wide)
Y15
16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm
Video
iQOO Z11x
4K@30fps, 1080p@30fps
Y15
1080p@30fps
Loudspeaker
iQOO Z11x
Yes, with stereo speakers
Y15
Yes
3.5mm jack
iQOO Z11x
No
Y15
Yes
WLAN
iQOO Z11x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Y15
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
iQOO Z11x
5.4, A2DP, LE
Y15
5.0, A2DP, LE
Positioning
iQOO Z11x
GPS, GALILEO, GLONASS, BDS, QZSS
Y15
GPS, GLONASS, GALILEO, BDS
NFC
iQOO Z11x
No
Y15
No
Radio
iQOO Z11x
No
Y15
FM radio
USB
iQOO Z11x
USB Type-C 2.0, OTG
Y15
microUSB 2.0, OTG
Sensors
iQOO Z11x
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Y15
Fingerprint (rear-mounted), accelerometer, proximity, compass
Type
iQOO Z11x
Si/C Li-Ion 7200 mAh
Y15
5000 mAh, non-removable
Charging
iQOO Z11x
44W wired, PPS, 50% in 43 min Reverse wired Bypass Charging
Y15
-
Colors
iQOO Z11x
Prismatic Green, Titan Black
Y15
Aqua Blue, Burgundy Red
Models
iQOO Z11x
I2507
Y15
-
SAR
iQOO Z11x
-
Y15
1.01 W/kg (head) 0.75 W/kg (body)
Price
iQOO Z11x
-
Y15
About 70 EUR