vivo iQOO Z9x vs vivo S2 FE: Which is better?

Screen size

iQOO Z9x6.7"

S2 FE6.8"+1.6%

Technology

iQOO Z9x

GSM / CDMA / HSPA / LTE / 5G

S2 FE

GSM / HSPA / LTE / 5G

2G bands

iQOO Z9x

GSM 850 / 900 / 1800 / 1900 , CDMA 800

S2 FE

GSM 850 / 900 / 1800 / 1900

3G bands

iQOO Z9x

HSDPA 850 / 900 / 2100

S2 FE

HSDPA 800 / 850 / 900 / 2100

4G bands

iQOO Z9x

1, 3, 5, 7, 8, 20, 28, 38, 40, 41 - Global, 1, 3, 5, 8, 28, 34, 38, 39, 40, 41 - China, 1, 3, 5, 8, 28, 38, 40, 41 - India

Resolution

iQOO Z9x1080 × 2408 px

S2 FE1,260 × 2,800 px+26%

Refresh rate

equal specs

iQOO Z9x120 Hz

S2 FE120 Hz

Peak brightness

iQOO Z9x1,000 nits

S2 FE2,000 nits+50%

Pixel density

iQOO Z9x393 ppi

S2 FE450 ppi+13%

CPU speed

iQOO Z9xOcta-core (4x2.2 GHz Cortex-A78 & 4x1.8 GHz Cortex-A55)

S2 FEOcta-core (4x2.5 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)+12%

RAM

iQOO Z9x4.0 GB

S2 FE6.0 GB+33%

Storage

equal specs

iQOO Z9x128 GB

S2 FE128 GB

Main camera

equal specs

iQOO Z9x50.0 MP

S2 FE50.0 MP

Front camera

iQOO Z9x8.0 MP

S2 FE32.0 MP+75%

Battery

iQOO Z9x6,000 mAh

S2 FE10,000 mAh+40%

Wired charging

equal specs

iQOO Z9x44 W

S2 FE44 W

Weight

iQOO Z9x199 g+13%

S2 FE224 g

Thickness

iQOO Z9x8.0 mm+7.5%

S2 FE8.6 mm

IP rating

iQOO Z9xIP64

S2 FEIP69/IP68+0.8%

Wi‑Fi

iQOO Z9xWi-Fi 802.11 a/b/g/n/ac, dual-band

S2 FEYes

Bluetooth

iQOO Z9x5.1, A2DP, LE, aptX HD, aptX Adaptive+2%

S2 FE5

USB

equal specs

iQOO Z9xUSB Type-C 2.0, OTG

S2 FE2.0

5G support

equal specs

iQOO Z9xYes

S2 FEYes

NFC

iQOO Z9xYes+100%

S2 FENo

3.5mm jack

iQOO Z9xYes+100%

S2 FENo

SD card

iQOO Z9xYes+100%

S2 FENo

Stereo speakers

equal specs

iQOO Z9xYes

S2 FEYes

5G bands

iQOO Z9x

1, 3, 8, 28, 38, 40, 41, 77, 78 SA/NSA - Global, 1, 5, 8, 28, 41, 77, 78 SA/NSA - China, 1, 3, 5, 8, 28, 40, 77, 78 SA/NSA - India

S2 FE

1, 3, 5, 8, 28, 38, 40, 41, 48, 66, 77, 78 SA/NSA

Speed

iQOO Z9x

HSPA, LTE, 5G

S2 FE

HSPA, LTE, 5G

Announced

iQOO Z9x

2024, April 24

S2 FE

2026, October 06

Status

iQOO Z9x

Available. Released 2024, April 29

S2 FE

Released Oct 20, 2026

Dimensions

iQOO Z9x

165.7 x 76 x 8 mm (6.52 x 2.99 x 0.31 in)

S2 FE

163.9 x 76.5 x 8.6 mm (6.45 x 3.01 x 0.34 in)

Weight

iQOO Z9x

199 g (7.05 oz)

S2 FE

224 g (7.90 oz)

Build

iQOO Z9x

Glass front, plastic back, plastic frame

S2 FE

Glass front, plastic frame, plastic back

SIM

iQOO Z9x

Nano-SIM + Nano-SIM

S2 FE

Nano-SIM + Nano-SIM

Other

iQOO Z9x

IP64 dust tight and water resistant (water splashes)

S2 FE

IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min) MIL-STD-810H compliant* * does not guarantee ruggedness or use in extreme conditions

Type

iQOO Z9x

IPS LCD, 120Hz, 1000 nits (peak)

S2 FE

AMOLED, 1B colors, 120Hz, HDR10+, 1000 nits, 2000 nits (HBM)

Size

iQOO Z9x

6.72 inches, 108.8 cm2 (~86.4% screen-to-body ratio)

S2 FE

6.83 inches, 112.6 cm2 (~89.8% screen-to-body ratio)

Resolution

iQOO Z9x

1080 x 2408 pixels, 20:9 ratio (~393 ppi density)

S2 FE

1260 x 2800 pixels, 20:9 ratio (~450 ppi density)

iQOO Z9x

Android 14, Funtouch OS 14 (International), OriginOS (China)

S2 FE

Android 16, OriginOS 6

Chipset

iQOO Z9x

Qualcomm SM6450 Snapdragon 6 Gen 1 (4 nm)

S2 FE

Mediatek Dimensity 7300e (6 nm)

CPU

iQOO Z9x

Octa-core (4x2.2 GHz Cortex-A78 & 4x1.8 GHz Cortex-A55)

S2 FE

Octa-core (4x2.5 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)

GPU

iQOO Z9x

Adreno 710

S2 FE

Mali-G610

Card slot

iQOO Z9x

microSDXC (uses shared SIM slot)

S2 FE

Internal

iQOO Z9x

128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM

S2 FE

128GB 6GB RAM, 128GB 8GB RAM

Other

iQOO Z9x

UFS 2.2

S2 FE

UFS 3.1

Dual

iQOO Z9x

50 MP, f/1.8, (wide), 1/1.95", 0.8µm, PDAF Auxiliary lens

S2 FE

50 MP, f/1.8, (wide), 1/2.93", PDAF Auxiliary lens

Features

iQOO Z9x

LED flash, panorama, HDR

S2 FE

LED flash, HDR, panorama

Video

iQOO Z9x

4K, 1080p, gyro-EIS

S2 FE

Yes

Single

iQOO Z9x

8 MP, f/2.1, (wide)

S2 FE

32 MP, f/2.0, 22mm (wide)

Video

iQOO Z9x

1080p@30fps

S2 FE

1080p@30fps

Loudspeaker

iQOO Z9x

Yes, with stereo speakers

S2 FE

Yes, with stereo speakers

3.5mm jack

iQOO Z9x

Yes

S2 FE

Other

iQOO Z9x

24-bit/192kHz Hi-Res & Hi-Res wireless audio

S2 FE

WLAN

iQOO Z9x

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

S2 FE

Yes

Bluetooth

iQOO Z9x

5.1, A2DP, LE, aptX HD, aptX Adaptive

S2 FE

5.4, A2DP, LE

Positioning

iQOO Z9x

GPS, GALILEO, GLONASS, QZSS, BDS (B1I+B1c)

S2 FE

GPS, GALILEO, GLONASS, QZSS, BDS

NFC

iQOO Z9x

Yes (market/region dependent)

S2 FE

Radio

iQOO Z9x

Unspecified

S2 FE

USB

iQOO Z9x

USB Type-C 2.0, OTG

S2 FE

USB Type-C 2.0, OTG

Sensors

iQOO Z9x

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

S2 FE

Fingerprint (under display, optical), accelerometer, gyro, proximity, compass

Type

iQOO Z9x

6000 mAh

S2 FE

Si/C Li-Ion 10000 mAh

Charging

iQOO Z9x

44W wired Reverse wired

S2 FE

44W wired Reverse wired

Colors

iQOO Z9x

Tornado Green (Northern Green), Storm Grey (Mystic Black), White

S2 FE

Stellar Green, Zen White, Titan Black

Models

iQOO Z9x

V2353A, I2219

S2 FE

Price

iQOO Z9x

About 160 EUR

S2 FE

About 360 EUR

SAR

iQOO Z9x

S2 FE

1.14 W/kg (head) 1.00 W/kg (body)

iQOO Z9x vs S2 FE

Which is better?

Choose iQOO Z9x for

Choose S2 FE for

Biggest differences

iQOO Z9x

S2 FE

Head-to-head comparison

Display

Specifications Comparison

Network

Performance

Cameras

Battery

Build

Connectivity

Display

Performance

Cameras

Battery

Build

Connectivity

Launch

Body

Display

Platform

Memory

Main Camera

Selfie camera

Sound

Comms

Features

Battery

Misc