Screen size
Quick verdict
Y21d leads the measured specs 12-5.
Measured wins
iQOO U1x
5
spec wins
Ties
6
equal specs
Y21d
12
spec wins
Overall winner
Screen size
Technology
iQOO U1x
GSM / CDMA / HSPA / LTE
Y21d
GSM / HSPA / LTE
2G bands
iQOO U1x
GSM 850 / 900 / 1800 / 1900 , CDMA 800 & TD-SCDMA
Y21d
GSM 850 / 900 / 1800 / 1900
3G bands
iQOO U1x
HSDPA 850 / 900 / 2100
Y21d
HSDPA 850 / 900 / 2100
4G bands
iQOO U1x
1, 3, 5, 8, 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
equal specsUSB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
SD card
Stereo speakers
Y21d
1, 3, 5, 8, 40
Speed
iQOO U1x
HSPA, LTE
Y21d
HSPA, LTE
Announced
iQOO U1x
2020, October 21. Released 2020, October 31
Y21d
2025, October 11
Status
iQOO U1x
Discontinued
Y21d
Available. Released 2025, October
Dimensions
iQOO U1x
164.4 x 76.3 x 8.4 mm (6.47 x 3.00 x 0.33 in)
Y21d
166.1 x 77 x 8.4 mm (6.54 x 3.03 x 0.33 in)
Weight
iQOO U1x
192.3 g (6.77 oz)
Y21d
209 g (7.37 oz)
Build
iQOO U1x
Glass front, plastic back, plastic frame
Y21d
Glass front, plastic back, plastic frame
SIM
iQOO U1x
Nano-SIM + Nano-SIM
Y21d
Nano-SIM + Nano-SIM
Other
iQOO U1x
-
Y21d
IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 6m for 30 min) MIL-STD-810H compliant* * does not guarantee ruggedness or use in extreme conditions
Type
iQOO U1x
IPS LCD
Y21d
IPS LCD, 90Hz, 1000 nits (HBM)
Size
iQOO U1x
6.51 inches, 102.3 cm2 (~81.6% screen-to-body ratio)
Y21d
6.68 inches, 107.4 cm2 (~84.0% screen-to-body ratio)
Resolution
iQOO U1x
720 x 1600 pixels, 20:9 ratio (~270 ppi density)
Y21d
720 x 1608 pixels, 20:9 ratio (~264 ppi density)
Protection
iQOO U1x
-
Y21d
Ion strengthened glass
OS
iQOO U1x
Android 10, IQOO UI 1.0
Y21d
Android 15, Funtouch 15
Chipset
iQOO U1x
Qualcomm SM6115 Snapdragon 662 (11 nm)
Y21d
Unisoc T7225 (12 nm)
CPU
iQOO U1x
Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
Y21d
Octa-core (2x1.8 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU
iQOO U1x
Adreno 610
Y21d
Mali-G52 MP1
Card slot
iQOO U1x
No
Y21d
microSDXC (dedicated slot)
Internal
iQOO U1x
64GB 4GB RAM, 64GB 6GB RAM, 128GB 6GB RAM
Y21d
128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 6GB RAM
Other
iQOO U1x
UFS 2.1
Y21d
eMMC 5.1
Triple
iQOO U1x
13 MP, f/2.2, (wide), PDAF 2 MP (macro) Auxiliary lens
Y21d
-
Features
iQOO U1x
LED flash, HDR
Y21d
Ring-LED flash, panorama
Video
iQOO U1x
1080p@30fps
Y21d
1080p@30fps
Single
iQOO U1x
-
Y21d
50 MP, f/1.8, (wide), PDAF Auxiliary lens
Single
iQOO U1x
8 MP, f/1.8, (wide)
Y21d
5 MP, f/2.2
Video
iQOO U1x
1080p@30fps
Y21d
Yes
Loudspeaker
iQOO U1x
Yes
Y21d
Yes, with stereo speakers
3.5mm jack
iQOO U1x
Yes
Y21d
No
Other
iQOO U1x
-
Y21d
24-bit/192kHz Hi-Res audio
WLAN
iQOO U1x
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Y21d
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
iQOO U1x
5.0, A2DP, LE, aptX HD
Y21d
5.2, A2DP, LE
Positioning
iQOO U1x
GPS, BDS
Y21d
GPS, GLONASS, GALILEO, BDS, QZSS
NFC
iQOO U1x
No
Y21d
No
Radio
iQOO U1x
Unspecified
Y21d
FM radio
USB
iQOO U1x
microUSB 2.0, OTG
Y21d
USB Type-C 2.0, OTG
Sensors
iQOO U1x
Fingerprint (side-mounted), accelerometer, proximity, compass
Y21d
Fingerprint (side-mounted), accelerometer, proximity, compass
Type
iQOO U1x
5000 mAh
Y21d
Si/C Li-Ion 6500 mAh
Charging
iQOO U1x
18W wired
Y21d
44W wired, 50% in 40 min Reverse wired
Colors
iQOO U1x
Black, Blue
Y21d
Lavender Purple, Black
Models
iQOO U1x
V2065A
Y21d
-
Price
iQOO U1x
About 110 EUR
Y21d
About 100 EUR