Screen size
iQOO Z11xWinner: 6.8"+3.7%
Y15s6.5"
Quick verdict
iQOO Z11x leads the measured specs 16-4.
Measured wins
iQOO Z11x
16
spec wins
Overall winner
Ties
3
equal specs
Y15s
4
spec wins
Screen size
Technology
iQOO Z11x
GSM / HSPA / LTE / 5G
Y15s
GSM / HSPA / LTE
2G bands
iQOO Z11x
GSM 850 / 900 / 1800 / 1900
Y15s
GSM 850 / 900 / 1800 / 1900
3G bands
iQOO Z11x
HSDPA 850 / 900 / 2100
Y15s
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
Y15s
1, 3, 5, 7, 8, 20, 28, 38, 39, 40, 41 - Singapore, 1, 3, 5, 8, 38, 40, 41 - India
5G bands
iQOO Z11x
1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA
Y15s
-
Speed
iQOO Z11x
HSPA, LTE, 5G
Y15s
HSPA, LTE
Announced
iQOO Z11x
2026, March 12
Y15s
2021, November 09
Status
iQOO Z11x
Released Mar 2026
Y15s
Available. Released 2021, November 09
Dimensions
iQOO Z11x
166.6 x 78.4 x 8.4 mm (6.56 x 3.09 x 0.33 in)
Y15s
164 x 75.2 x 8.3 mm (6.46 x 2.96 x 0.33 in)
Weight
iQOO Z11x
219 g (7.72 oz)
Y15s
179 g (6.31 oz)
Build
iQOO Z11x
Glass front, plastic frame, plastic back
Y15s
Glass front, plastic back, plastic frame
SIM
iQOO Z11x
Nano-SIM + Nano-SIM
Y15s
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)
Y15s
-
Type
iQOO Z11x
IPS LCD, 120Hz, 1200 nits (HBM)
Y15s
IPS LCD
Size
iQOO Z11x
6.76 inches, 112.1 cm2 (~85.8% screen-to-body ratio)
Y15s
6.51 inches, 102.3 cm2 (~83.0% screen-to-body ratio)
Resolution
iQOO Z11x
1080 x 2344 pixels, 19.5:9 ratio (~382 ppi density)
Y15s
720 x 1600 pixels, 20:9 ratio (~270 ppi density)
OS
iQOO Z11x
Android 16, OriginOS 6
Y15s
Android 11 (Go edition), Funtouch 11.1 - vivo 15sAndroid 12, Funtouch 12 - vivo 15c
Chipset
iQOO Z11x
Mediatek Dimensity 7400 Turbo (4 nm)
Y15s
Mediatek MT6765 Helio P35 (12 nm)
CPU
iQOO Z11x
Octa-core (4x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
Y15s
Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
GPU
iQOO Z11x
Mali-G615 MC2
Y15s
PowerVR GE8320
Card slot
iQOO Z11x
No
Y15s
microSDXC (dedicated slot)
Internal
iQOO Z11x
128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
Y15s
32GB 3GB RAM, 64GB 3GB RAM, 64GB 4GB RAM
Other
iQOO Z11x
UFS 3.1
Y15s
eMMC 5.1
Dual
iQOO Z11x
50 MP, (wide), 1/2.93", PDAF Auxiliary lens
Y15s
13 MP, f/2.2, 27mm (wide), AF Auxiliary lens
Features
iQOO Z11x
LED flash, HDR, panorama
Y15s
LED flash, panorama
Video
iQOO Z11x
4K@30fps, 1080p@30fps, gyro-EIS
Y15s
1080p@30fps
Single
iQOO Z11x
32 MP, (wide)
Y15s
8 MP, f/2.0
Video
iQOO Z11x
4K@30fps, 1080p@30fps
Y15s
1080p@30fps
Loudspeaker
iQOO Z11x
Yes, with stereo speakers
Y15s
Yes
3.5mm jack
iQOO Z11x
No
Y15s
Yes
WLAN
iQOO Z11x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Y15s
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
iQOO Z11x
5.4, A2DP, LE
Y15s
5.0, A2DP, LE
Positioning
iQOO Z11x
GPS, GALILEO, GLONASS, BDS, QZSS
Y15s
GPS, GLONASS, GALILEO, BDS
NFC
iQOO Z11x
No
Y15s
No
Radio
iQOO Z11x
No
Y15s
FM radio
USB
iQOO Z11x
USB Type-C 2.0, OTG
Y15s
microUSB 2.0, OTG
Sensors
iQOO Z11x
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Y15s
Fingerprint (side-mounted), accelerometer, proximity, compass
Type
iQOO Z11x
Si/C Li-Ion 7200 mAh
Y15s
5000 mAh
Charging
iQOO Z11x
44W wired, PPS, 50% in 43 min Reverse wired Bypass Charging
Y15s
10W wired 5W reverse wired
Colors
iQOO Z11x
Prismatic Green, Titan Black
Y15s
Wave Green, Mystic Blue
Models
iQOO Z11x
I2507
Y15s
V2120, V2147, V2139
Price
iQOO Z11x
-
Y15s
About 120 EUR