Screen size
iQOO Z11xWinner: 6.8"+4.9%
X20 Plus UD6.4"
Quick verdict
iQOO Z11x leads the measured specs 15-4.
Measured wins
iQOO Z11x
15
spec wins
Overall winner
Ties
4
equal specs
X20 Plus UD
4
spec wins
Screen size
Technology
iQOO Z11x
GSM / HSPA / LTE / 5G
X20 Plus UD
GSM / CDMA / HSPA / LTE
2G bands
iQOO Z11x
GSM 850 / 900 / 1800 / 1900
X20 Plus UD
GSM 900 / 1800 , CDMA 800 & TD-SCDMA
3G bands
iQOO Z11x
HSDPA 850 / 900 / 2100
X20 Plus UD
HSDPA 850 / 900 / 1900 / 2100
4G bands
iQOO Z11x
1, 3, 5, 8, 28, 38, 40, 41
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
equal specsMain 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
X20 Plus UD
1, 2, 3, 4, 5, 8, 38, 39, 40, 41
5G bands
iQOO Z11x
1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA
X20 Plus UD
-
Speed
iQOO Z11x
HSPA, LTE, 5G
X20 Plus UD
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
Announced
iQOO Z11x
2026, March 12
X20 Plus UD
2018, January. Released 2018, January
Status
iQOO Z11x
Released Mar 2026
X20 Plus UD
Discontinued
Dimensions
iQOO Z11x
166.6 x 78.4 x 8.4 mm (6.56 x 3.09 x 0.33 in)
X20 Plus UD
155.3 x 80.1 x 7.5 mm (6.11 x 3.15 x 0.30 in)
Weight
iQOO Z11x
219 g (7.72 oz)
X20 Plus UD
181.5 g (6.42 oz)
Build
iQOO Z11x
Glass front, plastic frame, plastic back
X20 Plus UD
Glass front, aluminum back, aluminum frame
SIM
iQOO Z11x
Nano-SIM + Nano-SIM
X20 Plus UD
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)
X20 Plus UD
-
Type
iQOO Z11x
IPS LCD, 120Hz, 1200 nits (HBM)
X20 Plus UD
Super AMOLED
Size
iQOO Z11x
6.76 inches, 112.1 cm2 (~85.8% screen-to-body ratio)
X20 Plus UD
6.43 inches, 106.7 cm2 (~85.8% screen-to-body ratio)
Resolution
iQOO Z11x
1080 x 2344 pixels, 19.5:9 ratio (~382 ppi density)
X20 Plus UD
1080 x 2160 pixels, 18:9 ratio (~376 ppi density)
OS
iQOO Z11x
Android 16, OriginOS 6
X20 Plus UD
Android 7.1.1 (Nougat), Funtouch 3.2
Chipset
iQOO Z11x
Mediatek Dimensity 7400 Turbo (4 nm)
X20 Plus UD
Qualcomm SDM660 Snapdragon 660 (14 nm)
CPU
iQOO Z11x
Octa-core (4x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
X20 Plus UD
Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
GPU
iQOO Z11x
Mali-G615 MC2
X20 Plus UD
Adreno 512
Card slot
iQOO Z11x
No
X20 Plus UD
microSDXC (uses shared SIM slot)
Internal
iQOO Z11x
128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
X20 Plus UD
128GB 4GB RAM
Other
iQOO Z11x
UFS 3.1
X20 Plus UD
eMMC 5.1
Dual
iQOO Z11x
50 MP, (wide), 1/2.93", PDAF Auxiliary lens
X20 Plus UD
12 MP, f/1.8, AF Auxiliary lens
Features
iQOO Z11x
LED flash, HDR, panorama
X20 Plus UD
LED flash, HDR, panorama
Video
iQOO Z11x
4K@30fps, 1080p@30fps, gyro-EIS
X20 Plus UD
1080p@30fps
Single
iQOO Z11x
32 MP, (wide)
X20 Plus UD
12 MP, f/2.0, (wide), 1/2.8", 1.28µm
Video
iQOO Z11x
4K@30fps, 1080p@30fps
X20 Plus UD
Loudspeaker
iQOO Z11x
Yes, with stereo speakers
X20 Plus UD
Yes
3.5mm jack
iQOO Z11x
No
X20 Plus UD
Yes
Other
iQOO Z11x
-
X20 Plus UD
32-bit/192kHz Hi-Res audio
WLAN
iQOO Z11x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
X20 Plus UD
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
iQOO Z11x
5.4, A2DP, LE
X20 Plus UD
5.0, A2DP, LE
Positioning
iQOO Z11x
GPS, GALILEO, GLONASS, BDS, QZSS
X20 Plus UD
GPS
NFC
iQOO Z11x
No
X20 Plus UD
No
Radio
iQOO Z11x
No
X20 Plus UD
No
USB
iQOO Z11x
USB Type-C 2.0, OTG
X20 Plus UD
microUSB 2.0, OTG
Sensors
iQOO Z11x
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
X20 Plus UD
Fingerprint (under display, optical), accelerometer, proximity, compass
Type
iQOO Z11x
Si/C Li-Ion 7200 mAh
X20 Plus UD
Li-Ion 3900 mAh, non-removable
Charging
iQOO Z11x
44W wired, PPS, 50% in 43 min Reverse wired Bypass Charging
X20 Plus UD
22.5W wired
Colors
iQOO Z11x
Prismatic Green, Titan Black
X20 Plus UD
Matte Black, Gold, Rose gold
Models
iQOO Z11x
I2507
X20 Plus UD
-
Price
iQOO Z11x
-
X20 Plus UD
About 550 EUR