Screen size
Quick verdict
S15 leads the measured specs 11-5.
Measured wins
iQOO Z11x
5
spec wins
Ties
7
equal specs
S15
11
spec wins
Overall winner
Screen size
Technology
iQOO Z11x
GSM / HSPA / LTE / 5G
S15
GSM / CDMA / HSPA / CDMA2000 / LTE / 5G
2G bands
iQOO Z11x
GSM 850 / 900 / 1800 / 1900
S15
GSM 850 / 900 / 1800 / 1900 , CDMA 800
3G bands
iQOO Z11x
HSDPA 850 / 900 / 2100
S15
HSDPA 850 / 900 / 1700(AWS) / 2100 , CDMA2000 1x
4G bands
iQOO Z11x
1, 3, 5, 8, 28, 38, 40, 41
Resolution
Refresh rate
equal specsPeak brightness
Pixel density
CPU speed
RAM
Storage
equal specsMain camera
Front camera
equal specsBattery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
S15
1, 2, 3, 4, 5, 7, 8, 19, 28, 34, 38, 39, 40, 41
5G bands
iQOO Z11x
1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA
S15
1, 3, 5, 8, 28, 41, 77, 78 SA/NSA
Speed
iQOO Z11x
HSPA, LTE, 5G
S15
HSPA, LTE, 5G
Announced
iQOO Z11x
2026, March 12
S15
2022, May 19
Status
iQOO Z11x
Released Mar 2026
S15
Available. Released 2022, May 27
Dimensions
iQOO Z11x
166.6 x 78.4 x 8.4 mm (6.56 x 3.09 x 0.33 in)
S15
161.1 x 74.3 x 8 mm (6.34 x 2.93 x 0.31 in)
Weight
iQOO Z11x
219 g (7.72 oz)
S15
197 g (6.95 oz)
Build
iQOO Z11x
Glass front, plastic frame, plastic back
S15
-
SIM
iQOO Z11x
Nano-SIM + Nano-SIM
S15
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)
S15
-
Type
iQOO Z11x
IPS LCD, 120Hz, 1200 nits (HBM)
S15
AMOLED, 120Hz, HDR10+, 1300 nits (peak)
Size
iQOO Z11x
6.76 inches, 112.1 cm2 (~85.8% screen-to-body ratio)
S15
6.62 inches, 105.8 cm2 (~88.4% screen-to-body ratio)
Resolution
iQOO Z11x
1080 x 2344 pixels, 19.5:9 ratio (~382 ppi density)
S15
1080 x 2400 pixels, 20:9 ratio (~398 ppi density)
OS
iQOO Z11x
Android 16, OriginOS 6
S15
Android 12, OriginOS Ocean
Chipset
iQOO Z11x
Mediatek Dimensity 7400 Turbo (4 nm)
S15
Qualcomm SM8250-AC Snapdragon 870 5G (7 nm)
CPU
iQOO Z11x
Octa-core (4x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
S15
Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585)
GPU
iQOO Z11x
Mali-G615 MC2
S15
Adreno 650
Card slot
iQOO Z11x
No
S15
No
Internal
iQOO Z11x
128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
S15
128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM
Other
iQOO Z11x
UFS 3.1
S15
UFS 3.1
Dual
iQOO Z11x
50 MP, (wide), 1/2.93", PDAF Auxiliary lens
S15
-
Features
iQOO Z11x
LED flash, HDR, panorama
S15
Dual-LED dual-tone flash, HDR, panorama
Video
iQOO Z11x
4K@30fps, 1080p@30fps, gyro-EIS
S15
4K@30fps, 1080p@30fps
Triple
iQOO Z11x
-
S15
64 MP, f/1.9, 25mm (wide), 1/1.72", PDAF, OIS 8 MP, f/2.2, 16mm, 120˚ (ultrawide) 2 MP (macro)
Single
iQOO Z11x
32 MP, (wide)
S15
32 MP, f/2.0, (wide)
Video
iQOO Z11x
4K@30fps, 1080p@30fps
S15
1080p@30fps
Features
iQOO Z11x
-
S15
HDR
Loudspeaker
iQOO Z11x
Yes, with stereo speakers
S15
Yes
3.5mm jack
iQOO Z11x
No
S15
No
Other
iQOO Z11x
-
S15
24-bit/192kHz Hi-Res audio
WLAN
iQOO Z11x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
S15
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Bluetooth
iQOO Z11x
5.4, A2DP, LE
S15
5.2, A2DP, LE, aptX HD, aptX Adaptive
Positioning
iQOO Z11x
GPS, GALILEO, GLONASS, BDS, QZSS
S15
GPS, GLONASS, GALILEO, BDS, QZSS
NFC
iQOO Z11x
No
S15
Yes
Radio
iQOO Z11x
No
S15
No
USB
iQOO Z11x
USB Type-C 2.0, OTG
S15
USB Type-C 2.0, OTG
Sensors
iQOO Z11x
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
S15
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Type
iQOO Z11x
Si/C Li-Ion 7200 mAh
S15
4500 mAh
Charging
iQOO Z11x
44W wired, PPS, 50% in 43 min Reverse wired Bypass Charging
S15
66W wired, 50% in 18 min
Colors
iQOO Z11x
Prismatic Green, Titan Black
S15
Blue, Black, Yellow
Models
iQOO Z11x
I2507
S15
V2203A
Price
iQOO Z11x
-
S15
About 380 EUR