Screen size
iQOO Z11xWinner: 6.8"+5.6%
Y51 (2020, September)6.4"
Quick verdict
iQOO Z11x leads the measured specs 15-4.
Measured wins
iQOO Z11x
15
spec wins
Overall winner
Ties
4
equal specs
Y51 (2020, September)
4
spec wins
Screen size
Technology
iQOO Z11x
GSM / HSPA / LTE / 5G
Y51 (2020, September)
GSM / HSPA / LTE
2G bands
iQOO Z11x
GSM 850 / 900 / 1800 / 1900
Y51 (2020, September)
GSM 850 / 900 / 1800 / 1900
3G bands
iQOO Z11x
HSDPA 850 / 900 / 2100
Y51 (2020, September)
HSDPA 850 / 900 / 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
Y51 (2020, September)
1, 3, 5, 8, 40
5G bands
iQOO Z11x
1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA
Y51 (2020, September)
-
Speed
iQOO Z11x
HSPA, LTE, 5G
Y51 (2020, September)
HSPA, LTE
Announced
iQOO Z11x
2026, March 12
Y51 (2020, September)
2020, September 15. Released 2020, September 19
Status
iQOO Z11x
Released Mar 2026
Y51 (2020, September)
Discontinued
Dimensions
iQOO Z11x
166.6 x 78.4 x 8.4 mm (6.56 x 3.09 x 0.33 in)
Y51 (2020, September)
159.3 x 75.2 x 8.7 mm (6.27 x 2.96 x 0.34 in)
Weight
iQOO Z11x
219 g (7.72 oz)
Y51 (2020, September)
186.7 g (6.60 oz)
Build
iQOO Z11x
Glass front, plastic frame, plastic back
Y51 (2020, September)
-
SIM
iQOO Z11x
Nano-SIM + Nano-SIM
Y51 (2020, September)
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)
Y51 (2020, September)
-
Type
iQOO Z11x
IPS LCD, 120Hz, 1200 nits (HBM)
Y51 (2020, September)
Super AMOLED
Size
iQOO Z11x
6.76 inches, 112.1 cm2 (~85.8% screen-to-body ratio)
Y51 (2020, September)
6.38 inches, 99.9 cm2 (~83.4% screen-to-body ratio)
Resolution
iQOO Z11x
1080 x 2344 pixels, 19.5:9 ratio (~382 ppi density)
Y51 (2020, September)
1080 x 2340 pixels, 19.5:9 ratio (~404 ppi density)
OS
iQOO Z11x
Android 16, OriginOS 6
Y51 (2020, September)
Android 10, Funtouch 10
Chipset
iQOO Z11x
Mediatek Dimensity 7400 Turbo (4 nm)
Y51 (2020, September)
Qualcomm SDM665 Snapdragon 665 (11 nm)
CPU
iQOO Z11x
Octa-core (4x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
Y51 (2020, September)
Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
GPU
iQOO Z11x
Mali-G615 MC2
Y51 (2020, September)
Adreno 610
Card slot
iQOO Z11x
No
Y51 (2020, September)
microSDXC (uses shared SIM slot)
Internal
iQOO Z11x
128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
Y51 (2020, September)
128GB 4GB RAM
Other
iQOO Z11x
UFS 3.1
Y51 (2020, September)
-
Dual
iQOO Z11x
50 MP, (wide), 1/2.93", PDAF Auxiliary lens
Y51 (2020, September)
-
Features
iQOO Z11x
LED flash, HDR, panorama
Y51 (2020, September)
LED flash, HDR, panorama
Video
iQOO Z11x
4K@30fps, 1080p@30fps, gyro-EIS
Y51 (2020, September)
1080p@30fps, gyro-EIS
Quad
iQOO Z11x
-
Y51 (2020, September)
48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 120˚, (ultrawide), 1/4.0", 1.12µm 2 MP (macro) Auxiliary lens
Single
iQOO Z11x
32 MP, (wide)
Y51 (2020, September)
16 MP, f/2.0, (wide), 1/3.06" 1.0µm
Video
iQOO Z11x
4K@30fps, 1080p@30fps
Y51 (2020, September)
1080p@30fps
Features
iQOO Z11x
-
Y51 (2020, September)
HDR
Loudspeaker
iQOO Z11x
Yes, with stereo speakers
Y51 (2020, September)
Yes
3.5mm jack
iQOO Z11x
No
Y51 (2020, September)
Yes
WLAN
iQOO Z11x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Y51 (2020, September)
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
iQOO Z11x
5.4, A2DP, LE
Y51 (2020, September)
5.0, A2DP, LE
Positioning
iQOO Z11x
GPS, GALILEO, GLONASS, BDS, QZSS
Y51 (2020, September)
GPS, GLONASS, GALILEO, BDS
NFC
iQOO Z11x
No
Y51 (2020, September)
No
Radio
iQOO Z11x
No
Y51 (2020, September)
FM radio
USB
iQOO Z11x
USB Type-C 2.0, OTG
Y51 (2020, September)
USB Type-C 2.0, OTG
Sensors
iQOO Z11x
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Y51 (2020, September)
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Type
iQOO Z11x
Si/C Li-Ion 7200 mAh
Y51 (2020, September)
4500 mAh
Charging
iQOO Z11x
44W wired, PPS, 50% in 43 min Reverse wired Bypass Charging
Y51 (2020, September)
18W wired
Colors
iQOO Z11x
Prismatic Green, Titan Black
Y51 (2020, September)
Mystic Black, Jazzy Blue, Dreamy White
Models
iQOO Z11x
I2507
Y51 (2020, September)
-
Price
iQOO Z11x
-
Y51 (2020, September)
About 180 EUR