Screen size
iQOO 15TWinner: 6.8"+0.7%
X300s6.8"
Quick verdict
iQOO 15T leads the measured specs 5-4.
Measured wins
iQOO 15T
5
spec wins
Overall winner
Ties
13
equal specs
X300s
4
spec wins
Screen size
Technology
iQOO 15T
GSM / HSPA / LTE / 5G
X300s
GSM / HSPA / LTE / 5G
2G bands
iQOO 15T
GSM 850 / 900 / 1800 / 1900
X300s
GSM 850 / 900 / 1800 / 1900
3G bands
iQOO 15T
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
X300s
HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100
4G bands
iQOO 15T
LTE
Resolution
equal specsRefresh rate
equal specsPeak brightness
Pixel density
CPU speed
equal specsRAM
equal specsStorage
equal specsMain camera
equal specsFront camera
Battery
Wired charging
Weight
Thickness
IP rating
equal specsWi‑Fi
equal specsBluetooth
USB
5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
equal specsX300s
1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 42, 43, 48, 66
5G bands
iQOO 15T
SA/NSA
X300s
1, 2, 3, 5, 7, 8, 18, 20, 25, 26, 28, 34, 38, 39, 40, 41, 48, 66, 77, 78, 79 SA/NSA/Sub6
Speed
iQOO 15T
HSPA, LTE, 5G
X300s
HSPA, LTE, 5G
Announced
iQOO 15T
Not announced yet
X300s
2026, March 30
Status
iQOO 15T
Rumored
X300s
Released Apr 3, 2026
Dimensions
iQOO 15T
163.4 x 76.7 x 8.3 mm (6.43 x 3.02 x 0.33 in)
X300s
162 x 75.5 x 8 mm (6.38 x 2.97 x 0.31 in)
Weight
iQOO 15T
216 g (7.62 oz)
X300s
217 g (7.65 oz)
Build
iQOO 15T
Glass front, aluminum frame
X300s
Glass front, aluminum alloy frame, glass back
SIM
iQOO 15T
Nano-SIM + Nano-SIM
X300s
· Nano-SIM + Nano-SIM + eSIM (max 2 at a time) - International· Nano-SIM + Nano-SIM - China
Other
iQOO 15T
IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min) Color-changing rear panel (gray color only)
X300s
IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min)
Type
iQOO 15T
AMOLED, 1B colors, 144Hz, PWM, Dolby Vision, HDR10+, HDR Vivid
X300s
LTPO AMOLED, 1B colors, 144Hz, 2160Hz PWM, HDR10+, HDR Vivid
Size
iQOO 15T
6.83 inches, 112.6 cm2 (~89.9% screen-to-body ratio)
X300s
6.78 inches, 111.5 cm2 (~91.1% screen-to-body ratio)
Resolution
iQOO 15T
1260 x 2800 pixels, 20:9 ratio (~450 ppi density)
X300s
1260 x 2800 pixels, 20:9 ratio (~452 ppi density)
Protection
iQOO 15T
-
X300s
Reinforced Glass
Other
iQOO 15T
-
X300s
Ultra HDR image support
OS
iQOO 15T
Android 16, OriginOS 6
X300s
Android 16, up to 5 major Android upgrades, OriginOS 6
Chipset
iQOO 15T
MediaTek Dimensity 9500 (3 nm)
X300s
Mediatek Dimensity 9500 (3 nm)
CPU
iQOO 15T
Octa-core (1x4.21 GHz C1-Ultra & 3x3.5 GHz C1-Premium & 4x2.7 GHz C1-Pro)
X300s
Octa-core (1x4.21 GHz C1-Ultra & 3x3.5 GHz C1-Premium & 4x2.7 GHz C1-Pro)
GPU
iQOO 15T
Mali-G1 Ultra MC12
X300s
Arm G1-Ultra
Card slot
iQOO 15T
No
X300s
No
Internal
iQOO 15T
256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM
X300s
256GB 12GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM
Other
iQOO 15T
UFS 4.1
X300s
UFS 4.1
Dual
iQOO 15T
200 MP, (wide), 1/1.56", 0.5µm, PDAF, OIS 50 MP, f/2.1, 15mm (ultrawide), 1/2.76", 0.64µm, AF
X300s
-
Features
iQOO 15T
LED flash, HDR, panorama
X300s
Color spectrum sensor, Laser AF, Zeiss optics, Zeiss T* lens coating, LED flash, panorama, HDR, 3D LUT import
Video
iQOO 15T
Yes
X300s
4K@30/60/120fps, 1080p@30/60/120/240fps, gyro-EIS, 4K@120fps HDR
Triple
iQOO 15T
-
X300s
200 MP, f/1.7, 23mm (wide), 1/1.4", 0.56µm, PDAF, OIS 50 MP, f/2.6, 70mm (periscope telephoto), 1/1.95", PDAF, OIS, 3x optical zoom 50 MP, f/2.0, 15mm, 119˚ (ultrawide), 1/2.76", 0.64µm, AF Optional add-on zoom lenses: 200mm, 2.35x optical zoom, Zeiss optics
Single
iQOO 15T
16 MP (wide)
X300s
50 MP, f/2.0, 20mm (wide), 1/2.76", 0.64µm, AF
Features
iQOO 15T
HDR
X300s
HDR
Video
iQOO 15T
Yes
X300s
4K@30/60fps, 1080p@30/60fps
Loudspeaker
iQOO 15T
Yes, with stereo speakers
X300s
Yes, with stereo speakers
3.5mm jack
iQOO 15T
No
X300s
No
Other
iQOO 15T
24-bit/192kHz Hi-Res audio
X300s
-
WLAN
iQOO 15T
Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi Direct
X300s
Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band
Bluetooth
iQOO 15T
6.0, A2DP, LE, aptX HD, aptX Adaptive, aptX Lossless, LHDC 5
X300s
5.4, A2DP, LE, aptX HD, LHDC 5
Positioning
iQOO 15T
GPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5)
X300s
GPS (L1+L5), BDS (B1I+B1c+B2a+B2b), GALILEO (E1+E5a+E5b), QZSS (L1+L5), NavIC (L1+L5), GLONASS
NFC
iQOO 15T
Yes
X300s
Yes
Infrared port
iQOO 15T
Yes
X300s
Yes
Radio
iQOO 15T
No
X300s
No
USB
iQOO 15T
USB Type-C
X300s
USB Type-C 3.2, OTG, DisplayPort
Sensors
iQOO 15T
Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass
X300s
Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass
Type
iQOO 15T
Si/C Li-Ion 8000 mAh
X300s
Si/C Li-Ion 7100 mAh
Charging
iQOO 15T
100W wired, PPS, PD Bypass charging
X300s
90W wired 40W wireless Reverse wired
Colors
iQOO 15T
Gray; other colors
X300s
Black, Silver, Purple, Green
Models
iQOO 15T
-
X300s
V2548A
Price
iQOO 15T
-
X300s
About 630 EUR