Screen size
iQOO Z11xWinner: 6.8"+2.7%
Y31s6.6"
Quick verdict
iQOO Z11x leads the measured specs 13-5.
Measured wins
iQOO Z11x
13
spec wins
Overall winner
Ties
5
equal specs
Y31s
5
spec wins
Screen size
Technology
iQOO Z11x
GSM / HSPA / LTE / 5G
Y31s
GSM / CDMA / HSPA / CDMA2000 / LTE / 5G
2G bands
iQOO Z11x
GSM 850 / 900 / 1800 / 1900
Y31s
GSM 850 / 900 / 1800 / 1900 , CDMA 800
3G bands
iQOO Z11x
HSDPA 850 / 900 / 2100
Y31s
HSDPA 850 / 900 / 1700(AWS) / 2100 , CDMA2000 1x
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
equal specsIP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
SD card
equal specsStereo speakers
Y31s
1, 3, 4, 5, 8, 28, 34, 38, 39, 40, 41
5G bands
iQOO Z11x
1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA
Y31s
1, 3, 28, 41, 77, 78 SA/NSA
Speed
iQOO Z11x
HSPA, LTE, 5G
Y31s
HSPA, LTE, 5G
Announced
iQOO Z11x
2026, March 12
Y31s
2021, January 12
Status
iQOO Z11x
Released Mar 2026
Y31s
Available. Released 2021, January 15
Dimensions
iQOO Z11x
166.6 x 78.4 x 8.4 mm (6.56 x 3.09 x 0.33 in)
Y31s
164.2 x 75.4 x 8.4 mm (6.46 x 2.97 x 0.33 in)
Weight
iQOO Z11x
219 g (7.72 oz)
Y31s
185.5 g (6.56 oz)
Build
iQOO Z11x
Glass front, plastic frame, plastic back
Y31s
-
SIM
iQOO Z11x
Nano-SIM + Nano-SIM
Y31s
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)
Y31s
-
Type
iQOO Z11x
IPS LCD, 120Hz, 1200 nits (HBM)
Y31s
IPS LCD, 90Hz
Size
iQOO Z11x
6.76 inches, 112.1 cm2 (~85.8% screen-to-body ratio)
Y31s
6.58 inches, 104.8 cm2 (~84.7% screen-to-body ratio)
Resolution
iQOO Z11x
1080 x 2344 pixels, 19.5:9 ratio (~382 ppi density)
Y31s
1080 x 2408 pixels, 20:9 ratio (~400 ppi density)
OS
iQOO Z11x
Android 16, OriginOS 6
Y31s
Android 11, Funtouch 10.5
Chipset
iQOO Z11x
Mediatek Dimensity 7400 Turbo (4 nm)
Y31s
Qualcomm SM4350 Snapdragon 480 5G (8 nm)
CPU
iQOO Z11x
Octa-core (4x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
Y31s
Octa-core (2x2.0 GHz Kryo 460 & 6x1.8 GHz Kryo 460)
GPU
iQOO Z11x
Mali-G615 MC2
Y31s
Adreno 619
Card slot
iQOO Z11x
No
Y31s
No
Internal
iQOO Z11x
128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
Y31s
64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM
Other
iQOO Z11x
UFS 3.1
Y31s
UFS 2.1
Dual
iQOO Z11x
50 MP, (wide), 1/2.93", PDAF Auxiliary lens
Y31s
13 MP, f/2.2, (wide), PDAF Auxiliary lens
Features
iQOO Z11x
LED flash, HDR, panorama
Y31s
LED flash, HDR, panorama
Video
iQOO Z11x
4K@30fps, 1080p@30fps, gyro-EIS
Y31s
4K@30fps, 1080p@30fps
Single
iQOO Z11x
32 MP, (wide)
Y31s
8 MP, f/2.0, (wide)
Video
iQOO Z11x
4K@30fps, 1080p@30fps
Y31s
1080p@30fps
Features
iQOO Z11x
-
Y31s
HDR
Loudspeaker
iQOO Z11x
Yes, with stereo speakers
Y31s
Yes
3.5mm jack
iQOO Z11x
No
Y31s
Yes
WLAN
iQOO Z11x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Y31s
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Bluetooth
iQOO Z11x
5.4, A2DP, LE
Y31s
5.1, A2DP, LE, aptX HD
Positioning
iQOO Z11x
GPS, GALILEO, GLONASS, BDS, QZSS
Y31s
GPS, GLONASS, BDS, GALILEO
NFC
iQOO Z11x
No
Y31s
No
Radio
iQOO Z11x
No
Y31s
No
USB
iQOO Z11x
USB Type-C 2.0, OTG
Y31s
USB Type-C 2.0, OTG
Sensors
iQOO Z11x
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Y31s
Fingerprint (side-mounted), accelerometer, proximity, compass
Type
iQOO Z11x
Si/C Li-Ion 7200 mAh
Y31s
5000 mAh
Charging
iQOO Z11x
44W wired, PPS, 50% in 43 min Reverse wired Bypass Charging
Y31s
18W wired
Colors
iQOO Z11x
Prismatic Green, Titan Black
Y31s
Red, Gray, Aurora
Models
iQOO Z11x
I2507
Y31s
V2054A, V2068A
Price
iQOO Z11x
-
Y31s
About 190 EUR