Screen size
iQOO U56.6"
S2 FEWinner: 6.8"+3.7%
Quick verdict
S2 FE leads the measured specs 11-5.
Measured wins
iQOO U5
5
spec wins
Ties
6
equal specs
S2 FE
11
spec wins
Overall winner
Screen size
Technology
iQOO U5
GSM / CDMA / HSPA / CDMA2000 / LTE / 5G
S2 FE
GSM / HSPA / LTE / 5G
2G bands
iQOO U5
GSM 850 / 900 / 1800 / 1900 , CDMA 800
S2 FE
GSM 850 / 900 / 1800 / 1900
3G bands
iQOO U5
HSDPA 850 / 900 / 2100 , CDMA2000 1x
S2 FE
HSDPA 800 / 850 / 900 / 2100
4G bands
iQOO U5
1, 3, 4, 5, 8, 28, 34, 38, 39, 40, 41
Resolution
Refresh rate
equal specsPeak brightness
Pixel density
CPU speed
RAM
Storage
equal specsMain camera
equal specsFront camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
SD card
Stereo speakers
S2 FE
1, 3, 4, 5, 8, 19, 28, 38, 40, 41, 42, 43, 48, 66
5G bands
iQOO U5
1, 5, 8, 28, 41, 77, 78 SA/NSA
S2 FE
1, 3, 5, 8, 28, 38, 40, 41, 48, 66, 77, 78 SA/NSA
Speed
iQOO U5
HSPA, LTE, 5G
S2 FE
HSPA, LTE, 5G
Announced
iQOO U5
2021, December 24
S2 FE
2026, October 06
Status
iQOO U5
Available. Released 2022, January 01
S2 FE
Released Oct 20, 2026
Dimensions
iQOO U5
164 x 75.8 x 8.3 mm (6.46 x 2.98 x 0.33 in)
S2 FE
163.9 x 76.5 x 8.6 mm (6.45 x 3.01 x 0.34 in)
Weight
iQOO U5
185 g (6.53 oz)
S2 FE
224 g (7.90 oz)
SIM
iQOO U5
Nano-SIM + Nano-SIM
S2 FE
Nano-SIM + Nano-SIM
Build
iQOO U5
-
S2 FE
Glass front, plastic frame, plastic back
Other
iQOO U5
-
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 U5
IPS LCD, 120Hz, HDR10
S2 FE
AMOLED, 1B colors, 120Hz, HDR10+, 1000 nits, 2000 nits (HBM)
Size
iQOO U5
6.58 inches, 104.3 cm2 (~83.9% screen-to-body ratio)
S2 FE
6.83 inches, 112.6 cm2 (~89.8% screen-to-body ratio)
Resolution
iQOO U5
1080 x 2408 pixels, 20:9 ratio (~401 ppi density)
S2 FE
1260 x 2800 pixels, 20:9 ratio (~450 ppi density)
OS
iQOO U5
Android 12, OriginOS Ocean
S2 FE
Android 16, OriginOS 6
Chipset
iQOO U5
Qualcomm SM6375 Snapdragon 695 5G (6 nm)
S2 FE
Mediatek Dimensity 7300e (6 nm)
CPU
iQOO U5
Octa-core (2x2.2 GHz Kryo 660 Gold & 6x1.7 GHz Kryo 660 Silver)
S2 FE
Octa-core (4x2.5 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
GPU
iQOO U5
Adreno 619
S2 FE
Mali-G610
Card slot
iQOO U5
microSDXC
S2 FE
No
Internal
iQOO U5
128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
S2 FE
128GB 6GB RAM, 128GB 8GB RAM
Other
iQOO U5
UFS 2.2
S2 FE
UFS 3.1
Dual
iQOO U5
50 MP, f/1.8, 26mm (wide), PDAF 2 MP (macro)
S2 FE
50 MP, f/1.8, (wide), 1/2.93", PDAF Auxiliary lens
Features
iQOO U5
LED flash, HDR, panorama
S2 FE
LED flash, HDR, panorama
Video
iQOO U5
1080p@30fps
S2 FE
Yes
Single
iQOO U5
8 MP, f/1.8, (wide)
S2 FE
32 MP, f/2.0, 22mm (wide)
Features
iQOO U5
HDR
S2 FE
-
Video
iQOO U5
1080p@30fps
S2 FE
1080p@30fps
Loudspeaker
iQOO U5
Yes
S2 FE
Yes, with stereo speakers
3.5mm jack
iQOO U5
Yes
S2 FE
No
WLAN
iQOO U5
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
S2 FE
Yes
Bluetooth
iQOO U5
5.1, A2DP, LE, aptX HD/Adaptive
S2 FE
5.4, A2DP, LE
Positioning
iQOO U5
GPS, GLONASS, GALILEO, BDS, QZSS
S2 FE
GPS, GALILEO, GLONASS, QZSS, BDS
NFC
iQOO U5
No
S2 FE
No
Radio
iQOO U5
No
S2 FE
No
USB
iQOO U5
USB Type-C 2.0, OTG
S2 FE
USB Type-C 2.0, OTG
Sensors
iQOO U5
Fingerprint (side-mounted), accelerometer, proximity, compass
S2 FE
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Type
iQOO U5
5000 mAh
S2 FE
Si/C Li-Ion 10000 mAh
Charging
iQOO U5
18W wired
S2 FE
44W wired Reverse wired
Colors
iQOO U5
White, Gray, Aurora
S2 FE
Stellar Green, Zen White, Titan Black
Models
iQOO U5
V2165A
S2 FE
-
Price
iQOO U5
About 180 EUR
S2 FE
About 360 EUR
SAR
iQOO U5
-
S2 FE
1.14 W/kg (head) 1.00 W/kg (body)