Screen size
iQOO U3x6.6"
iQOO Z11xWinner: 6.8"+2.7%
Quick verdict
iQOO Z11x leads the measured specs 12-5.
Measured wins
iQOO U3x
5
spec wins
Ties
6
equal specs
iQOO Z11x
12
spec wins
Overall winner
Screen size
Technology
iQOO U3x
GSM / CDMA / HSPA / CDMA2000 / LTE / 5G
iQOO Z11x
GSM / HSPA / LTE / 5G
2G bands
iQOO U3x
GSM 850 / 900 / 1800 / 1900 , CDMA 800
iQOO Z11x
GSM 850 / 900 / 1800 / 1900
3G bands
iQOO U3x
HSDPA 850 / 900 / 1700(AWS) / 2100 , CDMA2000 1x
iQOO Z11x
HSDPA 850 / 900 / 2100
4G bands
iQOO U3x
1, 3, 4, 5, 8, 28, 34, 38, 39, 40, 41
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
equal specsStorage
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
iQOO Z11x
1, 3, 5, 8, 28, 38, 40, 41
5G bands
iQOO U3x
1, 3, 28, 41, 77, 78 SA/NSA
iQOO Z11x
1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA
Speed
iQOO U3x
HSPA, LTE, 5G
iQOO Z11x
HSPA, LTE, 5G
Announced
iQOO U3x
2021, March 19
iQOO Z11x
2026, March 12
Status
iQOO U3x
Available. Released 2021, March 22
iQOO Z11x
Released Mar 2026
Dimensions
iQOO U3x
164.2 x 75.4 x 8.4 mm (6.46 x 2.97 x 0.33 in)
iQOO Z11x
166.6 x 78.4 x 8.4 mm (6.56 x 3.09 x 0.33 in)
Weight
iQOO U3x
185.5 g (6.56 oz)
iQOO Z11x
219 g (7.72 oz)
SIM
iQOO U3x
Nano-SIM + Nano-SIM
iQOO Z11x
Nano-SIM + Nano-SIM
Build
iQOO U3x
-
iQOO Z11x
Glass front, plastic frame, plastic back
Other
iQOO U3x
-
iQOO Z11x
IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min)
Type
iQOO U3x
IPS LCD, 90Hz
iQOO Z11x
IPS LCD, 120Hz, 1200 nits (HBM)
Size
iQOO U3x
6.58 inches, 104.3 cm2 (~84.2% screen-to-body ratio)
iQOO Z11x
6.76 inches, 112.1 cm2 (~85.8% screen-to-body ratio)
Resolution
iQOO U3x
1080 x 2408 pixels, 20:9 ratio (~401 ppi density)
iQOO Z11x
1080 x 2344 pixels, 19.5:9 ratio (~382 ppi density)
OS
iQOO U3x
Android 11, OriginOS 1.0 for iQOO
iQOO Z11x
Android 16, OriginOS 6
Chipset
iQOO U3x
Qualcomm SM4350 Snapdragon 480 5G (8 nm)
iQOO Z11x
Mediatek Dimensity 7400 Turbo (4 nm)
CPU
iQOO U3x
Octa-core (2x2.0 GHz Kryo 460 & 6x1.8 GHz Kryo 460)
iQOO Z11x
Octa-core (4x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
GPU
iQOO U3x
Adreno 619
iQOO Z11x
Mali-G615 MC2
Card slot
iQOO U3x
No
iQOO Z11x
No
Internal
iQOO U3x
64GB 6GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
iQOO Z11x
128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
Other
iQOO U3x
UFS 2.1
iQOO Z11x
UFS 3.1
Dual
iQOO U3x
13 MP, f/2.2, (wide), PDAF Auxiliary lens
iQOO Z11x
50 MP, (wide), 1/2.93", PDAF Auxiliary lens
Features
iQOO U3x
LED flash, HDR, panorama
iQOO Z11x
LED flash, HDR, panorama
Video
iQOO U3x
4K@30fps, 1080p@30fps
iQOO Z11x
4K@30fps, 1080p@30fps, gyro-EIS
Single
iQOO U3x
8 MP, f/2.0, (wide)
iQOO Z11x
32 MP, (wide)
Features
iQOO U3x
HDR
iQOO Z11x
-
Video
iQOO U3x
1080p@30fps
iQOO Z11x
4K@30fps, 1080p@30fps
Loudspeaker
iQOO U3x
Yes
iQOO Z11x
Yes, with stereo speakers
3.5mm jack
iQOO U3x
Yes
iQOO Z11x
No
WLAN
iQOO U3x
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
iQOO Z11x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
iQOO U3x
5.1, A2DP, LE, aptX HD
iQOO Z11x
5.4, A2DP, LE
Positioning
iQOO U3x
GPS, GLONASS, BDS, GALILEO
iQOO Z11x
GPS, GALILEO, GLONASS, BDS, QZSS
NFC
iQOO U3x
No
iQOO Z11x
No
Radio
iQOO U3x
No
iQOO Z11x
No
USB
iQOO U3x
USB Type-C 2.0, OTG
iQOO Z11x
USB Type-C 2.0, OTG
Sensors
iQOO U3x
Fingerprint (side-mounted), accelerometer, proximity, compass
iQOO Z11x
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Type
iQOO U3x
5000 mAh
iQOO Z11x
Si/C Li-Ion 7200 mAh
Charging
iQOO U3x
18W wired
iQOO Z11x
44W wired, PPS, 50% in 43 min Reverse wired Bypass Charging
Colors
iQOO U3x
Gray, Aurora
iQOO Z11x
Prismatic Green, Titan Black
Models
iQOO U3x
V2106A
iQOO Z11x
I2507
Price
iQOO U3x
About 160 EUR
iQOO Z11x
-