Screen size
iQOO Z11xWinner: 6.8"+1.3%
Y400 4G6.7"
Quick verdict
Y400 4G leads the measured specs 8-5.
Measured wins
iQOO Z11x
5
spec wins
Ties
10
equal specs
Y400 4G
8
spec wins
Overall winner
Screen size
Technology
iQOO Z11x
GSM / HSPA / LTE / 5G
Y400 4G
GSM / HSPA / LTE
2G bands
iQOO Z11x
GSM 850 / 900 / 1800 / 1900
Y400 4G
GSM 850 / 900 / 1800 / 1900
3G bands
iQOO Z11x
HSDPA 850 / 900 / 2100
Y400 4G
HSDPA 850 / 900 / 2100
4G bands
iQOO Z11x
1, 3, 5, 8, 28, 38, 40, 41
Resolution
Refresh rate
equal specsPeak brightness
Pixel density
CPU speed
RAM
Storage
equal specsMain camera
equal specsFront camera
Battery
Wired charging
equal specsWeight
Thickness
IP rating
equal specsWi‑Fi
Bluetooth
equal specsUSB
equal specs5G support
NFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
equal specsY400 4G
1, 3, 5, 7, 8, 20, 28, 38, 40, 41
5G bands
iQOO Z11x
1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA
Y400 4G
-
Speed
iQOO Z11x
HSPA, LTE, 5G
Y400 4G
HSPA, LTE
Announced
iQOO Z11x
2026, March 12
Y400 4G
2025, July 28
Status
iQOO Z11x
Released Mar 2026
Y400 4G
Available. Released 2025, July 28
Dimensions
iQOO Z11x
166.6 x 78.4 x 8.4 mm (6.56 x 3.09 x 0.33 in)
Y400 4G
162.3 x 75.3 x 7.9 mm (6.39 x 2.96 x 0.31 in)
Weight
iQOO Z11x
219 g (7.72 oz)
Y400 4G
196 g or 198 g (6.91 oz)
Build
iQOO Z11x
Glass front, plastic frame, plastic back
Y400 4G
Glass front, plastic back, plastic frame
SIM
iQOO Z11x
Nano-SIM + Nano-SIM
Y400 4G
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)
Y400 4G
IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 2m for 30 min) MIL-STD-810H compliant* * does not guarantee ruggedness or use in extreme conditions
Type
iQOO Z11x
IPS LCD, 120Hz, 1200 nits (HBM)
Y400 4G
AMOLED, 120Hz, 1200 nits (HBM), 1800 nits (peak)
Size
iQOO Z11x
6.76 inches, 112.1 cm2 (~85.8% screen-to-body ratio)
Y400 4G
6.67 inches, 107.4 cm2 (~87.9% screen-to-body ratio)
Resolution
iQOO Z11x
1080 x 2344 pixels, 19.5:9 ratio (~382 ppi density)
Y400 4G
1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
OS
iQOO Z11x
Android 16, OriginOS 6
Y400 4G
Android 15, Funtouch 15
Chipset
iQOO Z11x
Mediatek Dimensity 7400 Turbo (4 nm)
Y400 4G
Qualcomm SM6225 Snapdragon 685 (6 nm)
CPU
iQOO Z11x
Octa-core (4x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
Y400 4G
Octa-core (4x2.8 GHz Cortex-A73 & 4x1.9 GHz Cortex-A53)
GPU
iQOO Z11x
Mali-G615 MC2
Y400 4G
Adreno 610
Card slot
iQOO Z11x
No
Y400 4G
No
Internal
iQOO Z11x
128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
Y400 4G
128GB 8GB RAM, 256GB 8GB RAM
Other
iQOO Z11x
UFS 3.1
Y400 4G
UFS 2.2
Dual
iQOO Z11x
50 MP, (wide), 1/2.93", PDAF Auxiliary lens
Y400 4G
50 MP, f/1.8, (wide), 1/2.96", PDAF Auxiliary lens
Features
iQOO Z11x
LED flash, HDR, panorama
Y400 4G
Ring-LED flash, panorama, HDR
Video
iQOO Z11x
4K@30fps, 1080p@30fps, gyro-EIS
Y400 4G
1080p@30fps
Single
iQOO Z11x
32 MP, (wide)
Y400 4G
8 MP, f/2.1, (wide)
Video
iQOO Z11x
4K@30fps, 1080p@30fps
Y400 4G
1080p@30fps
Loudspeaker
iQOO Z11x
Yes, with stereo speakers
Y400 4G
Yes, with stereo speakers
3.5mm jack
iQOO Z11x
No
Y400 4G
No
Other
iQOO Z11x
-
Y400 4G
24-bit/192kHz Hi-Res audio
WLAN
iQOO Z11x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Y400 4G
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
iQOO Z11x
5.4, A2DP, LE
Y400 4G
5.0, A2DP, LE
Positioning
iQOO Z11x
GPS, GALILEO, GLONASS, BDS, QZSS
Y400 4G
GPS, GLONASS, GALILEO, BDS, QZSS
NFC
iQOO Z11x
No
Y400 4G
Yes (market/region dependent)
Radio
iQOO Z11x
No
Y400 4G
No
USB
iQOO Z11x
USB Type-C 2.0, OTG
Y400 4G
USB Type-C 2.0, OTG
Sensors
iQOO Z11x
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Y400 4G
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Type
iQOO Z11x
Si/C Li-Ion 7200 mAh
Y400 4G
Si/C Li-Ion 6000 mAh
Charging
iQOO Z11x
44W wired, PPS, 50% in 43 min Reverse wired Bypass Charging
Y400 4G
44W wired Reverse wired
Colors
iQOO Z11x
Prismatic Green, Titan Black
Y400 4G
Purple Twilight, Tropical Green (Dynamic Green), Pearl White
Models
iQOO Z11x
I2507
Y400 4G
I2502
Price
iQOO Z11x
-
Y400 4G
About 200 EUR