Screen size
iQOO 15 UltraWinner: 6.9"+1.3%
iQOO Z11x (China)6.8"
Quick verdict
iQOO 15 Ultra leads the measured specs 12-3.
Measured wins
iQOO 15 Ultra
12
spec wins
Overall winner
Ties
8
equal specs
iQOO Z11x (China)
3
spec wins
Screen size
Technology
iQOO 15 Ultra
GSM / HSPA / LTE / 5G
iQOO Z11x (China)
GSM / HSPA / LTE / 5G
2G bands
iQOO 15 Ultra
GSM 850 / 900 / 1800 / 1900
iQOO Z11x (China)
GSM 850 / 900 / 1800 / 1900
3G bands
iQOO 15 Ultra
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
iQOO Z11x (China)
HSDPA 850 / 900 / 2100
4G bands
iQOO 15 Ultra
1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 32, 34, 38, 39, 40, 41, 42, 43, 48, 66
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
equal specsMain camera
equal specsFront camera
Battery
Wired charging
Weight
Thickness
IP rating
equal specsWi‑Fi
Bluetooth
USB
5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
equal specsiQOO Z11x (China)
1, 3, 5, 8, 28, 34, 38, 39, 40, 41
5G bands
iQOO 15 Ultra
1, 2, 3, 5, 7, 8, 12, 18, 20, 25, 26, 28, 38, 40, 41, 48, 66, 75, 77, 78, 79, 80, 81, 83, 84, 89, 91, 92, 93, 94 SA/NSA
iQOO Z11x (China)
1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA
Speed
iQOO 15 Ultra
HSPA, LTE, 5G
iQOO Z11x (China)
HSPA, LTE, 5G
Announced
iQOO 15 Ultra
2026, February 04
iQOO Z11x (China)
2026, March 26
Status
iQOO 15 Ultra
Available. Released 2026, February 06
iQOO Z11x (China)
Available. Released 2026, March 26
Dimensions
iQOO 15 Ultra
163.7 x 76.8 x 8.7 mm (6.44 x 3.02 x 0.34 in)
iQOO Z11x (China)
166.6 x 78.4 x 8.4 mm (6.56 x 3.09 x 0.33 in)
Weight
iQOO 15 Ultra
227 g (8.01 oz)
iQOO Z11x (China)
219 g (7.72 oz)
SIM
iQOO 15 Ultra
Nano-SIM + Nano-SIM
iQOO Z11x (China)
Nano-SIM + Nano-SIM
Other
iQOO 15 Ultra
IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min) Pressure sensitive zones (600Hz touch-sensing) Built-in cooling fan
iQOO Z11x (China)
IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min)
Build
iQOO 15 Ultra
-
iQOO Z11x (China)
Glass front, plastic frame, plastic back
Type
iQOO 15 Ultra
AMOLED, 1B colors, 144Hz, PWM, Dolby Vision, HDR10+, HDR Vivid, 1000 nits (typ), 2600 nits (HBM), 8000 nits (peak)
iQOO Z11x (China)
IPS LCD, 120Hz, 1200 nits (HBM)
Size
iQOO 15 Ultra
6.85 inches, 114.0 cm2 (~90.7% screen-to-body ratio)
iQOO Z11x (China)
6.76 inches, 112.1 cm2 (~85.8% screen-to-body ratio)
Resolution
iQOO 15 Ultra
1440 x 3168 pixels (~508 ppi density)
iQOO Z11x (China)
1080 x 2344 pixels, 19.5:9 ratio (~382 ppi density)
OS
iQOO 15 Ultra
Android 16, up to 5 major Android upgrades, OriginOS 6
iQOO Z11x (China)
Android 16, OriginOS 6
Chipset
iQOO 15 Ultra
Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm)
iQOO Z11x (China)
Mediatek Dimensity 7400 (4 nm)
CPU
iQOO 15 Ultra
Octa-core (2x4.6 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M)
iQOO Z11x (China)
Octa-core (4x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
GPU
iQOO 15 Ultra
Adreno 840
iQOO Z11x (China)
Mali-G615 MC2
Card slot
iQOO 15 Ultra
No
iQOO Z11x (China)
No
Internal
iQOO 15 Ultra
256GB 16GB RAM, 512GB 16GB RAM, 1TB 16GB RAM, 1TB 24GB RAM
iQOO Z11x (China)
256GB 8GB RAM, 256GB 12GB RAM, 512GB 8GB RAM, 512GB 12GB RAM
Other
iQOO 15 Ultra
UFS 4.1
iQOO Z11x (China)
UFS 3.1
Triple
iQOO 15 Ultra
50 MP, f/1.9, 23mm (wide), 1/1.56", 1.0µm, PDAF, OIS 50 MP, f/2.7, 85mm (periscope telephoto), 1/1.95", 0.8µm, PDAF, OIS, 3x optical zoom 50 MP, f/2.1, 15mm, 107˚ (ultrawide), 1/2.76", 0.64µm, AF
iQOO Z11x (China)
-
Features
iQOO 15 Ultra
LED flash, HDR, panorama
iQOO Z11x (China)
LED flash, HDR, panorama
Video
iQOO 15 Ultra
8K@30fps, 4K@24/30/60fps, 1080p@30/60/120/240fps, gyro-EIS
iQOO Z11x (China)
4K@30fps, 1080p@30fps, gyro-EIS
Dual
iQOO 15 Ultra
-
iQOO Z11x (China)
50 MP, (wide), 1/2.93", PDAF Auxiliary lens
Single
iQOO 15 Ultra
32 MP, f/2.2, 21mm (wide), 1/3.1", 0.7µm
iQOO Z11x (China)
8 MP, f/2.1, (wide)
Features
iQOO 15 Ultra
HDR
iQOO Z11x (China)
-
Video
iQOO 15 Ultra
4K@30/60fps, 1080p@30/60fps
iQOO Z11x (China)
1080p@30fps
Loudspeaker
iQOO 15 Ultra
Yes, with stereo speakers (with Dolby Atmos)
iQOO Z11x (China)
Yes, with stereo speakers
3.5mm jack
iQOO 15 Ultra
No
iQOO Z11x (China)
No
WLAN
iQOO 15 Ultra
Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi Direct
iQOO Z11x (China)
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band
Bluetooth
iQOO 15 Ultra
5.4, A2DP, LE, aptX HD, aptX Adaptive, aptX Lossless, LHDC 5
iQOO Z11x (China)
5.4, A2DP, LE
Positioning
iQOO 15 Ultra
GPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5)
iQOO Z11x (China)
GPS, GALILEO, GLONASS, BDS, QZSS
NFC
iQOO 15 Ultra
Yes
iQOO Z11x (China)
Yes
Infrared port
iQOO 15 Ultra
Yes
iQOO Z11x (China)
Yes
Radio
iQOO 15 Ultra
No
iQOO Z11x (China)
No
USB
iQOO 15 Ultra
USB Type-C 3.2, OTG
iQOO Z11x (China)
USB Type-C 2.0, OTG
Sensors
iQOO 15 Ultra
Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass
iQOO Z11x (China)
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Type
iQOO 15 Ultra
Si/C Li-Ion 7400 mAh
iQOO Z11x (China)
Si/C Li-Ion 7200 mAh
Charging
iQOO 15 Ultra
100W wired, PPS, PD 40W wireless Bypass charging
iQOO Z11x (China)
44W wired, PPS, 50% in 43 min Reverse wired
Colors
iQOO 15 Ultra
Black, Silver
iQOO Z11x (China)
Black, White, Green
Models
iQOO 15 Ultra
V2546A
iQOO Z11x (China)
V2532A
Price
iQOO 15 Ultra
About 730 EUR
iQOO Z11x (China)
About 190 EUR