iQOO Z11x vs Y21

Quick verdict

Which is better?

iQOO Z11x leads the measured specs 16-4.

Measured wins

iQOO Z11x: 16Y21: 4Ties: 3

Choose iQOO Z11x for

5G support
Front camera
Main camera

Choose Y21 for

3.5mm jack
SD card
Weight

Biggest differences

5G supportiQOO Z11x

YesvsNo+100%

3.5mm jackY21

NovsYes+100%

SD cardY21

NovsYes+100%

iQOO Z11x

vivo

AView Details

Y21

vivo

BView Details

Head-to-head comparison

iQOO Z11x

16

spec wins

Overall winner

Ties

3

equal specs

Y21

4

spec wins

Display

Screen size

iQOO Z11x6.8"+3.7%

Y216.5"

Specifications Comparison

Network

Technology

iQOO Z11x

GSM / HSPA / LTE / 5G

Y21

GSM / HSPA / LTE

2G bands

iQOO Z11x

GSM 850 / 900 / 1800 / 1900

Y21

GSM 850 / 900 / 1800 / 1900

3G bands

iQOO Z11x

HSDPA 850 / 900 / 2100

Y21

HSDPA 850 / 900 / 2100

4G bands

iQOO Z11x

1, 3, 5, 8, 28, 38, 40, 41

Front camera

iQOO Z11x

32.0 MPvs8.0 MP+75%

Resolution

iQOO Z11x1,080 × 2,344 px+54%

Y21720 × 1600 px

Refresh rate

iQOO Z11x120 Hz

Y21—

Peak brightness

iQOO Z11x1,200 nits

Y21—

Pixel density

iQOO Z11x382 ppi+29%

Y21270 ppi

Performance

CPU speed

iQOO Z11xOcta-core (4x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)+9.6%

Y21Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)

RAM

iQOO Z11x6.0 GB+33%

Y214.0 GB

Storage

iQOO Z11x128 GB+50%

Y2164 GB

Cameras

Main camera

iQOO Z11x50.0 MP+74%

Y2113.0 MP

Front camera

iQOO Z11x32.0 MP+75%

Y218.0 MP

Battery

iQOO Z11x7,200 mAh+31%

Y215,000 mAh

Wired charging

iQOO Z11x44 W+59%

Y2118 W

Build

Weight

iQOO Z11x219 g

Y21182 g+20%

Thickness

iQOO Z11x8.4 mm

Y218.0 mm+5%

IP rating

iQOO Z11xIP69/IP68

Y21Glass front, plastic frame, plastic back

Connectivity

Wi‑Fi

iQOO Z11xwifi 5

Y21Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct

Bluetooth

equal specs

iQOO Z11x5

Y215.0, A2DP, LE

USB

equal specs

iQOO Z11x2.0

Y21USB Type-C 2.0, OTG

5G support

iQOO Z11xYes+100%

Y21No

NFC

equal specs

iQOO Z11xNo

Y21No

3.5mm jack

iQOO Z11xNo

Y21Yes+100%

SD card

iQOO Z11xNo

Y21Yes+100%

Stereo speakers

iQOO Z11xYes

Y21—

iQOO Z11xSpecY21

Display

6.8"+3.7%

Screen size

6.5"

1,080 × 2,344 px+54%

Resolution

720 × 1600 px

120 Hz

Refresh rate

—

1,200 nits

Peak brightness

—

382 ppi+29%

Pixel density

270 ppi

Performance

Octa-core (4x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)+9.6%

CPU speed

Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)

6.0 GB+33%

RAM

4.0 GB

128 GB+50%

Storage

Cameras

50.0 MP+74%

Main camera

13.0 MP

32.0 MP+75%

Front camera

8.0 MP

Battery

7,200 mAh+31%

Battery

5,000 mAh

44 W+59%

Wired charging

18 W

Build

219 g

Weight

182 g+20%

8.4 mm

Thickness

8.0 mm+5%

IP69/IP68

IP rating

Glass front, plastic frame, plastic back

Connectivity

wifi 5

Wi‑Fi

Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct

5

Bluetoothequal specs

5.0, A2DP, LE

2.0

USBequal specs

USB Type-C 2.0, OTG

Y21

1, 3, 5, 8, 38, 40, 41

5G bands

iQOO Z11x

1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA

Y21

-

Speed

iQOO Z11x

HSPA, LTE, 5G

Y21

HSPA, LTE

GSM / HSPA / LTE / 5GTechnologyGSM / HSPA / LTE

GSM 850 / 900 / 1800 / 1900 2G bandsGSM 850 / 900 / 1800 / 1900

HSDPA 850 / 900 / 2100 3G bandsHSDPA 850 / 900 / 2100

1, 3, 5, 8, 28, 38, 40, 414G bands1, 3, 5, 8, 38, 40, 41

1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA5G bands-

HSPA, LTE, 5GSpeedHSPA, LTE

Launch

Announced

iQOO Z11x

2026, March 12

Y21

2021, August 20

Status

iQOO Z11x

Released Mar 2026

Y21

Available. Released 2021, August 20

2026, March 12Announced2021, August 20

Released Mar 2026StatusAvailable. Released 2021, August 20

Body

Dimensions

iQOO Z11x

166.6 x 78.4 x 8.4 mm (6.56 x 3.09 x 0.33 in)

Y21

164.3 x 76.1 x 8 mm (6.47 x 3.00 x 0.31 in)

Weight

iQOO Z11x

219 g (7.72 oz)

Y21

182 g (6.42 oz)

Build

iQOO Z11x

Glass front, plastic frame, plastic back

Y21

Glass front, plastic frame, plastic back

SIM

iQOO Z11x

Nano-SIM + Nano-SIM

Y21

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)

Y21

-

166.6 x 78.4 x 8.4 mm (6.56 x 3.09 x 0.33 in)Dimensions164.3 x 76.1 x 8 mm (6.47 x 3.00 x 0.31 in)

219 g (7.72 oz)Weight182 g (6.42 oz)

Glass front, plastic frame, plastic backBuildGlass front, plastic frame, plastic back

Nano-SIM + Nano-SIMSIMNano-SIM + Nano-SIM

IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min)Other-

Display

Type

iQOO Z11x

IPS LCD, 120Hz, 1200 nits (HBM)

Y21

IPS LCD

Size

iQOO Z11x

6.76 inches, 112.1 cm2 (~85.8% screen-to-body ratio)

Y21

6.51 inches, 102.3 cm2 (~81.8% screen-to-body ratio)

Resolution

iQOO Z11x

1080 x 2344 pixels, 19.5:9 ratio (~382 ppi density)

Y21

720 x 1600 pixels, 20:9 ratio (~270 ppi density)

IPS LCD, 120Hz, 1200 nits (HBM)TypeIPS LCD

6.76 inches, 112.1 cm2 (~85.8% screen-to-body ratio)Size6.51 inches, 102.3 cm2 (~81.8% screen-to-body ratio)

1080 x 2344 pixels, 19.5:9 ratio (~382 ppi density)Resolution720 x 1600 pixels, 20:9 ratio (~270 ppi density)

Platform

OS

iQOO Z11x

Android 16, OriginOS 6

Y21

Android 11, Funtouch 11.1

Chipset

iQOO Z11x

Mediatek Dimensity 7400 Turbo (4 nm)

Y21

Mediatek MT6765 Helio P35 (12 nm)

CPU

iQOO Z11x

Octa-core (4x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)

Y21

Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)

GPU

iQOO Z11x

Mali-G615 MC2

Y21

PowerVR GE8320

Android 16, OriginOS 6OSAndroid 11, Funtouch 11.1

Mediatek Dimensity 7400 Turbo (4 nm)ChipsetMediatek MT6765 Helio P35 (12 nm)

Octa-core (4x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)CPUOcta-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)

Mali-G615 MC2GPUPowerVR GE8320

Memory

Card slot

iQOO Z11x

No

Y21

microSDXC (dedicated slot)

Internal

iQOO Z11x

128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM

Y21

64GB 4GB RAM, 128GB 4GB RAM

Other

iQOO Z11x

UFS 3.1

Y21

-

NoCard slotmicroSDXC (dedicated slot)

128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAMInternal64GB 4GB RAM, 128GB 4GB RAM

UFS 3.1Other-

Main Camera

Dual

iQOO Z11x

50 MP, (wide), 1/2.93", PDAF Auxiliary lens

Y21

13 MP, f/2.2, (wide), PDAF 2 MP (macro)

Features

iQOO Z11x

LED flash, HDR, panorama

Y21

LED flash

Video

iQOO Z11x

4K@30fps, 1080p@30fps, gyro-EIS

Y21

1080p@30fps

50 MP, (wide), 1/2.93", PDAF Auxiliary lensDual13 MP, f/2.2, (wide), PDAF 2 MP (macro)

LED flash, HDR, panoramaFeaturesLED flash

4K@30fps, 1080p@30fps, gyro-EISVideo1080p@30fps

Selfie camera

Single

iQOO Z11x

32 MP, (wide)

Y21

8 MP, f/2.0, (wide)

Video

iQOO Z11x

4K@30fps, 1080p@30fps

Y21

1080p@30fps

32 MP, (wide)Single8 MP, f/2.0, (wide)

4K@30fps, 1080p@30fpsVideo1080p@30fps

Sound

Loudspeaker

iQOO Z11x

Yes, with stereo speakers

Y21

Yes

3.5mm jack

iQOO Z11x

No

Y21

Yes

Yes, with stereo speakersLoudspeakerYes

No3.5mm jackYes

Comms

WLAN

iQOO Z11x

Wi-Fi 802.11 a/b/g/n/ac, dual-band

Y21

Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct

Bluetooth

iQOO Z11x

5.4, A2DP, LE

Y21

5.0, A2DP, LE

Positioning

iQOO Z11x

GPS, GALILEO, GLONASS, BDS, QZSS

Y21

GPS, GLONASS, GALILEO, BDS

NFC

iQOO Z11x

No

Y21

No

Radio

iQOO Z11x

No

Y21

FM radio

USB

iQOO Z11x

USB Type-C 2.0, OTG

Y21

USB Type-C 2.0, OTG

Wi-Fi 802.11 a/b/g/n/ac, dual-bandWLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct

5.4, A2DP, LEBluetooth5.0, A2DP, LE

GPS, GALILEO, GLONASS, BDS, QZSSPositioningGPS, GLONASS, GALILEO, BDS

NoNFCNo

NoRadioFM radio

USB Type-C 2.0, OTGUSBUSB Type-C 2.0, OTG

Features

Sensors

iQOO Z11x

Fingerprint (side-mounted), accelerometer, gyro, proximity, compass

Y21

Fingerprint (side-mounted), accelerometer, gyro, proximity, compass

Fingerprint (side-mounted), accelerometer, gyro, proximity, compassSensorsFingerprint (side-mounted), accelerometer, gyro, proximity, compass

Battery

Type

iQOO Z11x

Si/C Li-Ion 7200 mAh

Y21

5000 mAh

Charging

iQOO Z11x

44W wired, PPS, 50% in 43 min Reverse wired Bypass Charging

Y21

18W wired

Si/C Li-Ion 7200 mAhType5000 mAh

44W wired, PPS, 50% in 43 min Reverse wired Bypass ChargingCharging18W wired

Misc

Colors

iQOO Z11x

Prismatic Green, Titan Black

Y21

Diamond Glow, Midnight Blue

Models

iQOO Z11x

I2507

Y21

V2111

Price

iQOO Z11x

-

Y21

About 180 EUR

Prismatic Green, Titan BlackColorsDiamond Glow, Midnight Blue

I2507ModelsV2111

-PriceAbout 180 EUR

64 GB

Yes+100%

5G support

No

NFCequal specs

No

3.5mm jack

Yes+100%

No

SD card

Yes+100%

Yes

Stereo speakers

—