Apple
iPhone 17 Pro Max
A19 Pro · 6.9″ LTPO · Titanium
98
/ 100
From $1,199
VS
iPhone 17 Pro Max wins by 6
Xiaomi
Xiaomi 15 Ultra
Snapdragon 8 Elite · Leica · 1-inch sensor
92
/ 100
From $1,499
Specdex verdict
iPhone 17 Pro Max takes it — here’s why.
In our weighted Specdex score, iPhone 17 Pro Max lands at 98 and Xiaomi 15 Ultra at 92. That puts iPhone 17 Pro Max ahead by 6 points — a decisive margin driven mostly by its strengths in the categories below.
Pick iPhone 17 Pro Max if…
- ✓Industry-leading A19 Pro silicon
- ✓New vapor-chamber cooling
- ✓Apple Intelligence Gen 2
Pick Xiaomi 15 Ultra if…
- ✓1-inch LYT-900 main sensor
- ✓Leica tuning on every camera
- ✓90W + 80W wireless charging
Score breakdown
iPhone 17 Pro Max
98 cpu 100
gpu 98
camera 98
battery 90
display 95
design 96
Xiaomi 15 Ultra
92 cpu 96
gpu 96
camera 98
battery 92
display 94
design 88
Specs side-by-side
Spec
iPhone 17 Pro Max
Xiaomi 15 Ultra
Display
6.9″ LTPO OLED, 120Hz, 2868×1320
6.73″ LTPO AMOLED, 120Hz, 3200×1440
Chipset
Apple A19 Pro (3 nm)
Snapdragon 8 Elite
RAM
12 GB
12/16 GB
Storage
256 / 512 GB / 1 TB / 2 TB
256 GB – 1 TB
Rear camera
48 MP + 48 MP UW + 48 MP 6× tele
50 MP 1″ + 50 MP 3× + 50 MP 4.3× periscope + 50 MP UW
Battery
4800 mAh
6000 mAh
Charging
45W wired, 30W MagSafe
90W wired, 80W wireless
OS
iOS 19
HyperOS 2 / Android 15
Weight
232 g
—
IP rating
IP68
—
iPhone 17 Pro Max
Pros
- +Industry-leading A19 Pro silicon
- +New vapor-chamber cooling
- +Apple Intelligence Gen 2
Cons
- −Premium price
- −Weight crept up with titanium chassis
- −Still 45 W charging ceiling
Xiaomi 15 Ultra
Pros
- +1-inch LYT-900 main sensor
- +Leica tuning on every camera
- +90W + 80W wireless charging
Cons
- −Limited US availability
- −HyperOS still maturing
- −Large and heavy
FAQ: iPhone 17 Pro Max vs Xiaomi 15 Ultra
Which is better, iPhone 17 Pro Max or Xiaomi 15 Ultra? +
iPhone 17 Pro Max scores 98 on our weighted rubric — ahead by 6. Your best pick depends on the sub-scores above.
Is iPhone 17 Pro Max worth the price? +
At $1,199, iPhone 17 Pro Max delivers a Specdex score of 98 — strongest in cpu.
Is Xiaomi 15 Ultra worth the price? +
At $1,499, Xiaomi 15 Ultra delivers a Specdex score of 92 — strongest in camera.
Does iPhone 17 Pro Max or Xiaomi 15 Ultra last longer? +
Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.