Screen size
equal specsiQOO 15 Ultra6.9"
X500 Pro Max6.9"
Quick verdict
iQOO 15 Ultra and X500 Pro Max are close on the measured specs.
Measured wins
iQOO 15 Ultra
5
spec wins
Ties
13
equal specs
X500 Pro Max
5
spec wins
Screen size
equal specsTechnology
iQOO 15 Ultra
GSM / HSPA / LTE / 5G
X500 Pro Max
GSM / HSPA / LTE / 5G
2G bands
iQOO 15 Ultra
GSM 850 / 900 / 1800 / 1900
X500 Pro Max
GSM 850 / 900 / 1800 / 1900
3G bands
iQOO 15 Ultra
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
X500 Pro Max
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 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
equal specsPeak brightness
Pixel density
equal specsCPU speed
RAM
Storage
equal specsMain camera
equal specsFront camera
Battery
Wired charging
Weight
Thickness
IP rating
equal specsWi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
equal specsX500 Pro Max
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 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
X500 Pro Max
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 15 Ultra
HSPA, LTE, 5G
X500 Pro Max
HSPA, LTE, 5G
Announced
iQOO 15 Ultra
2026, February 04
X500 Pro Max
2026, September 21
Status
iQOO 15 Ultra
Available. Released 2026, February 06
X500 Pro Max
Available. Released 2026, September 24
Dimensions
iQOO 15 Ultra
163.7 x 76.8 x 8.7 mm (6.44 x 3.02 x 0.34 in)
X500 Pro Max
163.3 x 76.8 x 8.1 mm (6.43 x 3.02 x 0.32 in)
Weight
iQOO 15 Ultra
227 g (8.01 oz)
X500 Pro Max
225 g or 229 g (7.94 oz)
SIM
iQOO 15 Ultra
Nano-SIM + Nano-SIM
X500 Pro Max
· Nano-SIM + Nano-SIM + eSIM (max 2 at a time) - International· Nano-SIM + Nano-SIM - China
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
X500 Pro Max
IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min)
Build
iQOO 15 Ultra
-
X500 Pro Max
Glass front, aluminum frame, glass back or glass-fiber reinforced 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)
X500 Pro Max
LTPO AMOLED, 1B colors, 144Hz, HDR10+, Dolby Vision, 2000 nits (HBM), 4400 nits (peak)
Size
iQOO 15 Ultra
6.85 inches, 114.0 cm2 (~90.7% screen-to-body ratio)
X500 Pro Max
6.85 inches, 114.5 cm2 (~91.3% screen-to-body ratio)
Resolution
iQOO 15 Ultra
1440 x 3168 pixels (~508 ppi density)
X500 Pro Max
1440 x 3168 pixels (~507 ppi density)
Protection
iQOO 15 Ultra
-
X500 Pro Max
Armor Glass
Other
iQOO 15 Ultra
-
X500 Pro Max
Ultra HDR image support
OS
iQOO 15 Ultra
Android 16, up to 5 major Android upgrades, OriginOS 6
X500 Pro Max
Android 17, up to 5 major OS updates, OriginOS 7
Chipset
iQOO 15 Ultra
Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm)
X500 Pro Max
Mediatek Dimensity 9600 Pro (2 nm)
CPU
iQOO 15 Ultra
Octa-core (2x4.6 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M)
X500 Pro Max
Octa-core (2x4.55 GHz & 3x4.35 GHz & 3x3.1 GHz)
GPU
iQOO 15 Ultra
Adreno 840
X500 Pro Max
Mali-G2-Ultra-NX
Card slot
iQOO 15 Ultra
No
X500 Pro Max
No
Internal
iQOO 15 Ultra
256GB 16GB RAM, 512GB 16GB RAM, 1TB 16GB RAM, 1TB 24GB RAM
X500 Pro Max
256GB 12GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 12GB RAM, 1TB 16GB RAM
Other
iQOO 15 Ultra
UFS 4.1
X500 Pro Max
UFS 4.1
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
X500 Pro Max
50 MP, f/1.6, 24mm (wide), 1/1.28", 1.22µm, PDAF, OIS 200 MP, f/2.7, 85mm (periscope telephoto), 1/1.4", 0.56µm, multi-directional PDAF, OIS, 3.5x optical zoom 50 MP, f/2.0, 15mm, 119˚ (ultrawide), 1/2.75", 0.64µm, AF
Features
iQOO 15 Ultra
LED flash, HDR, panorama
X500 Pro Max
Laser AF, color spectrum sensor, Zeiss optics, Zeiss T* lens coating, LED flash, panorama, HDR, 3D LUT import
Video
iQOO 15 Ultra
8K@30fps, 4K@24/30/60fps, 1080p@30/60/120/240fps, gyro-EIS
X500 Pro Max
8K@30fps, 4K@30/60/120/240fps, 1080p@30/60/120/240fps, 17 EV TrueDynamic Log, Dolby Vision HDR, 4K@120fps 10-bit Log, 10-bit 422 APV
Single
iQOO 15 Ultra
32 MP, f/2.2, 21mm (wide), 1/3.1", 0.7µm
X500 Pro Max
50 MP, f/2.0, 20mm (wide), 1/2.76", 0.64µm, AF
Features
iQOO 15 Ultra
HDR
X500 Pro Max
HDR
Video
iQOO 15 Ultra
4K@30/60fps, 1080p@30/60fps
X500 Pro Max
4K@30/60fps, 1080p@30/60fps
Loudspeaker
iQOO 15 Ultra
Yes, with stereo speakers (with Dolby Atmos)
X500 Pro Max
Yes, with stereo speakers
3.5mm jack
iQOO 15 Ultra
No
X500 Pro Max
No
Other
iQOO 15 Ultra
-
X500 Pro Max
24-bit/192kHz Hi-Res audio
WLAN
iQOO 15 Ultra
Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi Direct
X500 Pro Max
Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band
Bluetooth
iQOO 15 Ultra
5.4, A2DP, LE, aptX HD, aptX Adaptive, aptX Lossless, LHDC 5
X500 Pro Max
5.4/6.0, A2DP, LE, aptX HD, LHDC 5
Positioning
iQOO 15 Ultra
GPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5)
X500 Pro Max
GPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a+B2b), GALILEO (E1+E5a+E5b), QZSS (L1+L5), NavIC (L1+L5)
NFC
iQOO 15 Ultra
Yes
X500 Pro Max
Yes
Infrared port
iQOO 15 Ultra
Yes
X500 Pro Max
Yes
Radio
iQOO 15 Ultra
No
X500 Pro Max
No
USB
iQOO 15 Ultra
USB Type-C 3.2, OTG
X500 Pro Max
USB Type-C 3.2, OTG
Sensors
iQOO 15 Ultra
Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass
X500 Pro Max
Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass
Other
iQOO 15 Ultra
-
X500 Pro Max
Satellite connectivity support (1TB 12GB RAM only; for China)
Type
iQOO 15 Ultra
Si/C Li-Ion 7400 mAh
X500 Pro Max
· Si/C Li-Ion 6750 mAh (EU)· Si/C Li-Ion 7800 mAh (Global)· Si/C Li-Ion 8000 mAh (China)
Charging
iQOO 15 Ultra
100W wired, PPS, PD 40W wireless Bypass charging
X500 Pro Max
90W wired 40W wireless Reverse wireless Reverse wired
Colors
iQOO 15 Ultra
Black, Silver
X500 Pro Max
Black, Gray, White, Orange
Models
iQOO 15 Ultra
V2546A
X500 Pro Max
V2610, V2602A
Price
iQOO 15 Ultra
About 730 EUR
X500 Pro Max
€ 1,599.00