Screen size
Quick verdict
Y400 leads the measured specs 8-4.
Measured wins
iQOO Z11x
4
spec wins
Ties
11
equal specs
Y400
8
spec wins
Overall winner
Screen size
Technology
iQOO Z11x
GSM / HSPA / LTE / 5G
Y400
GSM / HSPA / LTE / 5G
2G bands
iQOO Z11x
GSM 850 / 900 / 1800 / 1900
Y400
GSM 850 / 900 / 1800 / 1900
3G bands
iQOO Z11x
HSDPA 850 / 900 / 2100
Y400
HSDPA 800 / 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
equal specsBattery
Wired charging
Weight
Thickness
IP rating
equal specsWi‑Fi
Bluetooth
equal specsUSB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
Stereo speakers
equal specsY400
1, 3, 4, 5, 8, 18, 19, 26, 28, 38, 40, 41, 42, 48
5G bands
iQOO Z11x
1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA
Y400
1, 3, 5, 8, 28, 40, 77, 78 SA/NSA
Speed
iQOO Z11x
HSPA, LTE, 5G
Y400
HSPA, LTE, 5G
Announced
iQOO Z11x
2026, March 12
Y400
2025, August 04
Status
iQOO Z11x
Released Mar 2026
Y400
Available. Released 2025, August 07
Dimensions
iQOO Z11x
166.6 x 78.4 x 8.4 mm (6.56 x 3.09 x 0.33 in)
Y400
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
197 g (6.95 oz)
Build
iQOO Z11x
Glass front, plastic frame, plastic back
Y400
Glass front, plastic back, plastic frame
SIM
iQOO Z11x
Nano-SIM + Nano-SIM
Y400
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
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
AMOLED, 120Hz, 1200 nits (HBM), 1800 nits (peak)
Size
iQOO Z11x
6.76 inches, 112.1 cm2 (~85.8% screen-to-body ratio)
Y400
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
1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
OS
iQOO Z11x
Android 16, OriginOS 6
Y400
Android 15, Funtouch 15
Chipset
iQOO Z11x
Mediatek Dimensity 7400 Turbo (4 nm)
Y400
Qualcomm SM4450 Snapdragon 4 Gen 2 (4 nm)
CPU
iQOO Z11x
Octa-core (4x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
Y400
Octa-core (2x2.2 GHz Cortex-A78 & 6x1.95 GHz Cortex-A55)
GPU
iQOO Z11x
Mali-G615 MC2
Y400
Adreno 613
Card slot
iQOO Z11x
No
Y400
Unspecified
Internal
iQOO Z11x
128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
Y400
128GB 8GB RAM, 256GB 8GB RAM
Other
iQOO Z11x
UFS 3.1
Y400
UFS 3.1
Dual
iQOO Z11x
50 MP, (wide), 1/2.93", PDAF Auxiliary lens
Y400
50 MP, f/1.8, (wide), 1/2.96", PDAF Auxiliary lens
Features
iQOO Z11x
LED flash, HDR, panorama
Y400
Ring-LED flash, panorama, HDR
Video
iQOO Z11x
4K@30fps, 1080p@30fps, gyro-EIS
Y400
1080p@30fps
Single
iQOO Z11x
32 MP, (wide)
Y400
32 MP, f/2.5, (wide)
Video
iQOO Z11x
4K@30fps, 1080p@30fps
Y400
1080p@30fps
Loudspeaker
iQOO Z11x
Yes, with stereo speakers
Y400
Yes, with stereo speakers
3.5mm jack
iQOO Z11x
No
Y400
No
Other
iQOO Z11x
-
Y400
24-bit/192kHz Hi-Res audio
WLAN
iQOO Z11x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Y400
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
iQOO Z11x
5.4, A2DP, LE
Y400
5.0, A2DP, LE
Positioning
iQOO Z11x
GPS, GALILEO, GLONASS, BDS, QZSS
Y400
GPS, GLONASS, GALILEO, BDS, QZSS
NFC
iQOO Z11x
No
Y400
No
Radio
iQOO Z11x
No
Y400
No
USB
iQOO Z11x
USB Type-C 2.0, OTG
Y400
USB Type-C 2.0, OTG
Sensors
iQOO Z11x
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Y400
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Type
iQOO Z11x
Si/C Li-Ion 7200 mAh
Y400
Li-Ion 6000 mAh
Charging
iQOO Z11x
44W wired, PPS, 50% in 43 min Reverse wired Bypass Charging
Y400
90W wired, 50% in 20 min Reverse wired Bypass Charging
Colors
iQOO Z11x
Prismatic Green, Titan Black
Y400
Glam White, Olive Green
Models
iQOO Z11x
I2507
Y400
-
SAR
iQOO Z11x
-
Y400
0.99 W/kg (head) 0.80 W/kg (body)
Price
iQOO Z11x
-
Y400
₹ 22,999