Screen size
iQOO Z1x6.6"
S2 FEWinner: 6.8"+3.8%
Quick verdict
S2 FE leads the measured specs 13-4.
Measured wins
iQOO Z1x
4
spec wins
Ties
5
equal specs
S2 FE
13
spec wins
Overall winner
Screen size
Technology
iQOO Z1x
GSM / CDMA / HSPA / EVDO / LTE / 5G
S2 FE
GSM / HSPA / LTE / 5G
2G bands
iQOO Z1x
GSM 850 / 900 / 1800 / 1900 , CDMA 800 & TD-SCDMA
S2 FE
GSM 850 / 900 / 1800 / 1900
3G bands
iQOO Z1x
HSDPA 850 / 900 / 1700(AWS) / 2100 , CDMA2000 1xEV-DO
S2 FE
HSDPA 800 / 850 / 900 / 2100
4G bands
iQOO Z1x
1, 3, 4, 5, 8, 34, 38, 39, 40, 41
Resolution
Refresh rate
equal specsPeak brightness
Pixel density
CPU speed
RAM
equal specsStorage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
3.5mm jack
SD card
equal specsStereo speakers
S2 FE
1, 3, 4, 5, 8, 19, 28, 38, 40, 41, 42, 43, 48, 66
5G bands
iQOO Z1x
1, 3, 41, 77, 78 SA/NSA
S2 FE
1, 3, 5, 8, 28, 38, 40, 41, 48, 66, 77, 78 SA/NSA
Speed
iQOO Z1x
HSPA, LTE (2CA), 5G
S2 FE
HSPA, LTE, 5G
Announced
iQOO Z1x
2020, July 09. Released 2020, July 25
S2 FE
2026, October 06
Status
iQOO Z1x
Discontinued
S2 FE
Released Oct 20, 2026
Dimensions
iQOO Z1x
164.2 x 76.5 x 9.1 mm (6.46 x 3.01 x 0.36 in)
S2 FE
163.9 x 76.5 x 8.6 mm (6.45 x 3.01 x 0.34 in)
Weight
iQOO Z1x
199.5 g (7.05 oz)
S2 FE
224 g (7.90 oz)
SIM
iQOO Z1x
Nano-SIM + Nano-SIM
S2 FE
Nano-SIM + Nano-SIM
Build
iQOO Z1x
-
S2 FE
Glass front, plastic frame, plastic back
Other
iQOO Z1x
-
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 Z1x
IPS LCD, 120Hz, HDR10
S2 FE
AMOLED, 1B colors, 120Hz, HDR10+, 1000 nits, 2000 nits (HBM)
Size
iQOO Z1x
6.57 inches, 105.0 cm2 (~83.6% screen-to-body ratio)
S2 FE
6.83 inches, 112.6 cm2 (~89.8% screen-to-body ratio)
Resolution
iQOO Z1x
1080 x 2408 pixels, 20:9 ratio (~400 ppi density)
S2 FE
1260 x 2800 pixels, 20:9 ratio (~450 ppi density)
OS
iQOO Z1x
Android 10, iQOO UI 1.0
S2 FE
Android 16, OriginOS 6
Chipset
iQOO Z1x
Qualcomm SM7250 Snapdragon 765G 5G (7 nm)
S2 FE
Mediatek Dimensity 7300e (6 nm)
CPU
iQOO Z1x
Octa-core (1x2.4 GHz Kryo 475 Prime & 1x2.2 GHz Kryo 475 Gold & 6x1.8 GHz Kryo 475 Silver)
S2 FE
Octa-core (4x2.5 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
GPU
iQOO Z1x
Adreno 620
S2 FE
Mali-G610
Card slot
iQOO Z1x
No
S2 FE
No
Internal
iQOO Z1x
64GB 6GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
S2 FE
128GB 6GB RAM, 128GB 8GB RAM
Other
iQOO Z1x
UFS 2.1
S2 FE
UFS 3.1
Triple
iQOO Z1x
48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 2 MP (macro) Auxiliary lens
S2 FE
-
Features
iQOO Z1x
LED flash, HDR, panorama
S2 FE
LED flash, HDR, panorama
Video
iQOO Z1x
4K@30fps, 1080p@30fps; gyro-EIS
S2 FE
Yes
Dual
iQOO Z1x
-
S2 FE
50 MP, f/1.8, (wide), 1/2.93", PDAF Auxiliary lens
Single
iQOO Z1x
16 MP, f/2.0, (wide)
S2 FE
32 MP, f/2.0, 22mm (wide)
Features
iQOO Z1x
HDR
S2 FE
-
Video
iQOO Z1x
1080p@30fps
S2 FE
1080p@30fps
Loudspeaker
iQOO Z1x
Yes
S2 FE
Yes, with stereo speakers
3.5mm jack
iQOO Z1x
Yes
S2 FE
No
Other
iQOO Z1x
24-bit/192kHz Hi-Res audio
S2 FE
-
WLAN
iQOO Z1x
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
S2 FE
Yes
Bluetooth
iQOO Z1x
5.1, A2DP, LE, aptX HD
S2 FE
5.4, A2DP, LE
Positioning
iQOO Z1x
GPS, GLONASS, BDS, GALILEO
S2 FE
GPS, GALILEO, GLONASS, QZSS, BDS
NFC
iQOO Z1x
Yes
S2 FE
No
Radio
iQOO Z1x
No
S2 FE
No
USB
iQOO Z1x
USB Type-C 2.0, OTG
S2 FE
USB Type-C 2.0, OTG
Sensors
iQOO Z1x
Fingerprint (side-mounted), accelerometer, proximity, compass
S2 FE
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Type
iQOO Z1x
5000 mAh
S2 FE
Si/C Li-Ion 10000 mAh
Charging
iQOO Z1x
33W wired
S2 FE
44W wired Reverse wired
Colors
iQOO Z1x
Black, Blue, White
S2 FE
Stellar Green, Zen White, Titan Black
Models
iQOO Z1x
V2012A
S2 FE
-
Price
iQOO Z1x
About 220 EUR
S2 FE
About 360 EUR
SAR
iQOO Z1x
-
S2 FE
1.14 W/kg (head) 1.00 W/kg (body)