Xiaomi 15 UltravsApple iPhone 15 Pro Max
SETTLEDUpdated September 8, 2026
Xiaomi 15 Ultra wins
Verdict
Xiaomi 15 Ultra wins 4 of 5 categories — our overall pick
Xiaomi 15 Ultra is the overall winner, 4 / 5 — performance is its standout. It costs USD 1,399 — USD 300 more than the Apple iPhone 15 Pro Max. Pay the premium if performance is your priority.
- Xiaomi 15 Ultra takes Performance — led by ram (16 GB).
- Xiaomi 15 Ultra takes Display — led by peak brightness (3,200 nits).
- Xiaomi 15 Ultra takes Camera — led by selfie camera (32 MP).
- Xiaomi 15 Ultra takes Battery — led by charging speed (90 W).
- Apple iPhone 15 Pro Max takes Price — led by price (1,099 USD).
Scores follow our published methodology · v2026.09
In plain English
Choose Xiaomi 15 Ultra if you want…
- Choose Xiaomi 15 Ultra if you want a faster phone for apps and games — 2,500,000 pts vs 1,600,000 pts.
- Choose Xiaomi 15 Ultra if you want more apps open at once — 16 GB vs 8 GB.
- Choose Xiaomi 15 Ultra if you want more room for photos and apps — 512 GB vs 256 GB.
- Choose Xiaomi 15 Ultra if you want a bigger screen — 6.73 in vs 6.7 in.
- Choose Xiaomi 15 Ultra if you want a sharper screen — 522 ppi vs 460 ppi.
- Choose Xiaomi 15 Ultra if you want a screen you can read in sunlight — 3,200 nits vs 2,000 nits.
- Choose Xiaomi 15 Ultra if you want sharper selfies — 32 MP vs 12 MP.
- Choose Xiaomi 15 Ultra if you want a better camera — 155 pts vs 150 pts.
- Choose Xiaomi 15 Ultra if you want longer battery life — 5,410 mAh vs 4,441 mAh.
- Choose Xiaomi 15 Ultra if you want faster charging — 90 W vs 20 W.
Choose Apple iPhone 15 Pro Max if you want…
- Choose Apple iPhone 15 Pro Max if you want better video quality — 97 pts vs 96 pts.
- Choose Apple iPhone 15 Pro Max if you want a lower price — 1,099 USD vs 1,399 USD.
At a glance
- Xiaomi 15 Ultra
- Apple iPhone 15 Pro Max
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Best price now
The cheap alternative
Full record
Every spec, side by side — winners get a check and a proportional bar. Ties share the badge.
Performance score
Approximate benchmark score of the chipset — higher is faster for apps, games and AI.
Chipset
The processor inside — shown for reference, never decides a winner.
RAM
More RAM keeps more apps alive in the background.
Storage
Base onboard storage for photos, apps and media.
Screen size
Diagonal screen size — bigger is better for media, smaller is easier to hold.
Pixel density
Sharpness of the screen — above ~400 ppi looks crisp.
Refresh rate
How smooth scrolling and motion feel. 120 Hz is the modern standard.
Peak brightness
Peak brightness in sunlight — higher stays readable outdoors.
Main camera
Resolution of the primary rear camera — photo quality is judged by the Camera quality score, not megapixels.
Selfie camera
Resolution of the front camera.
Telephoto
A dedicated zoom lens for distant subjects without quality loss.
Video score
Composite video rating — stabilisation, 4K/8K support and colour.
Camera score
Composite camera quality from independent testing — how good the photos actually are.
Battery
Battery capacity — higher generally lasts longer.
Charging speed
Wired charging speed — higher refills faster.
Wireless charging
Whether the phone charges wirelessly.
Price
Typical MSRP in US dollars — lower is better value.
Which one should you buy?
Xiaomi 15 Ultra
Choose Xiaomi 15 Ultra if performance matters most — it wins the most categories overall. It costs USD 1,399.
Apple iPhone 15 Pro Max
Choose Apple iPhone 15 Pro Max if price matters most. It costs USD 1,099, the lowest price in this group.
Pros & cons
Xiaomi 15 Ultra
- Best-in-class zoom
- Elite chipset
- 5,410 mAh + 90 W
- Very expensive
- Heavy
- Software bloat
Apple iPhone 15 Pro Max
- Titanium build
- 5x telephoto
- Great video
- Slow 20 W charging
- Heavy
- Pricey vs Android rivals