iPhone 18 Pro Max vs Xiaomi 15 Ultra

Direct side-by-side battle analyzing hardware specifications, benchmark percentiles, battery endurance, and category performance advantages.

Smartphone Battle

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Apple · 2026

iPhone 18 Pro Max

93/ 100

Launch MSRP$1,499 USD

Xiaomi · 2025

Xiaomi 15 Ultra

88/ 100

Launch MSRP$1,599 USD

WHO WINS WHERE

WHY IS iPhone 18 Pro Max BETTER THAN Xiaomi 15 Ultra?

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iPhone 18 Pro MaxWinner 🏆

Xiaomi 15 Ultra

BIGGEST HARDWARE DIFFERENCES

Margin Delta

SPEC FACTOR	iPhone 18	Xiaomi 15	LEADER
Refresh Rate	120Hz	120Hz	120Hz
Battery Capacity	5,567 mAh	5,410 mAh	+5,567 mAh
Wired Fast Charging	45W	90W	90W Max
Main Camera Sensor	48 MP	50 MP	50 MP
Screen Display Size	6.9"	6.73"	6.9"
Chassis Weight	249g	226g	226g Lightest

Compare All 177+ Specifications Below↓

Which Phone Should You Buy: Key Reasons & Hardware Advantages

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Reasons to buy iPhone 18 Pro Max:

✓$100 lower launch MSRP ($1499 vs $1599)
✓Larger 5,567 mAh battery capacity (+157 mAh more capacity)
✓48MP primary camera sensor with 4K/120fps video recording

Reasons to buy Xiaomi 15 Ultra:

✓23g lighter chassis (226g) optimized for one-handed ergonomics
✓50MP primary camera sensor with 4K/120fps video recording
✓6.73" display with 120Hz ProMotion refresh rate

How Do the Specifications Compare Side-by-Side?

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Specification	iPhone 18 Pro Max	Xiaomi 15 Ultra
1. Display & Screen🏆 iPhone 18 Pro Max Wins Display
Screen Type & Tech	LTPO Super Retina XDR OLED, 120Hz, HDR10, Dolby Vision	LTPO AMOLED
Screen Size	6.9"	6.73"
Resolution & Density	1320 x 2868 pixels (19.5:9 ratio) (460 ppi)	3200x1440 (522 ppi)
Refresh Rate	120 Hz ProMotion	120 Hz ProMotion
Brightness	1000 nits (typ), 1600 nits (HBM), 3000 nits (peak)	3,200 nits peak
Screen Protection	Ceramic Shield 2, Anti-reflective coating, Always-On display	Scratch-resistant glass
2. Platform & Performance🏆 iPhone 18 Pro Max Wins Performance
Chipset / Processor	Apple A20 Pro (2 nm) (2nm)	High performance SoC
CPU Cores	Hexa-core (2x High Performance + 4x Efficiency)	Multi-core high performance
GPU Graphics	Apple GPU (7-core graphics)	Integrated Graphics
Operating System	iOS 27	Android 15
3. Memory & Storage
RAM Memory	12GB LPDDR5X	16 GB LPDDR
Internal Storage	256GB / 512GB / 1TB / 2TB	256GB / 512GB / 1024GB
Storage Speed	NVMe fast flash	High-speed flash
Card Slot	No	No
4. Main Camera Optics🏆 iPhone 18 Pro Max Wins Camera
Primary Camera	48 MP, f/1.5, 24mm (wide), 1/1.28", 1.22µm, OIS, Dual pixel PDAF, Sensor-shift OIS (gen 2)	50 MP, f/1.63, OIS, Sony LYT-900
Telephoto Zoom	48 MP (4x optical zoom), f/2.8, 100mm (periscope telephoto), OIS	50 MP (5x optical zoom), f/2.5, OIS
Ultrawide Camera	48 MP, f/2.2, 13mm, 120˚ (ultrawide)	50 MP, f/1.8
LiDAR / Depth	TOF 3D LiDAR scanner (depth sensing & night portrait)	None
5. Video Recording Capabilities
Main Camera Video	4K@24/25/30/60/100/120fps1080p@240fps10-bit HDRDolby Vision HDR (up to 120fps)ProRes RAWApple Log 2Spatial 3D video & stereo sound	4K@60fps1080p@240fpsHDR
Front Video	4K@24/25/30/60fps1080p@120fpsgyro-EISDolby Vision HDR	4K@60fps1080p@60fpsgyro-EIS
6. Selfie Camera
Selfie Lens	18 MP, f/1.9, 20mm (ultrawide multi-aspect)	32 MP, f/2
7. Body & Dimensions🏆 Xiaomi 15 Ultra Lightest Chassis
Dimensions	163.4 x 78 x 8.8 mm (6.43 x 3.07 x 0.35 in)	161.3 x 75.5 x 9.5 mm
Weight	249 g (8.78 oz)	226 g
Build Materials	Glass front (Ceramic Shield 2), aluminum frame, aluminum/glass back	Glass front, metal/glass frame
SIM Type	Nano-SIM + eSIM + dual eSIM support	Nano-SIM / eSIM support
Water Resistance	IP68 dust/water resistant (up to 6m for 30 min)	IP68
8. Battery & Charging🏆 iPhone 18 Pro Max Wins Battery
Battery Capacity	5,567 mAh	5,410 mAh
Wired Fast Charging	45W wired fast charging	90W wired fast charging
Wireless Charging	25W wireless charging	80W wireless charging
Reverse Charging	Reverse wireless charging	Reverse wireless charging
9. Sound & Audio
Loudspeaker	Yes, with stereo speakers (Spatial Audio)	Stereo speakers
3.5mm Headphone Jack	No	No
10. Connectivity & Comms
Wi-Fi Standard	Wi-Fi 7 (802.11be, tri-band, hotspot)	Wi-Fi 7
Bluetooth	Bluetooth 6.0, A2DP, LE	5.4
USB Port & Speed	USB Type-C 3.2 Gen 2 (up to 10Gbps), DisplayPort video out	USB-C 3.2
NFC	Yes (Apple Pay Visa, MasterCard, AMEX certified)	Yes (contactless payment)
11. Sensors & Security
Sensors	Face ID, LiDAR scanner, accelerometer, gyro, proximity, compass, barometer	Biometric fingerprint/face, accelerometer, gyro, compass
Satellite Features	Emergency SOS, Messages and Find My via satellite	Emergency SOS via satellite (select markets)
12. Colors & Overview
Colors	Black, Silver, Glacier, Burgundy	Standard finishes
Launch Price	$1,499 / €1,600	$1599

Editorial Lab Verdict

iPhone 18 Pro Max edges ahead with a BeastScore of 92.8/100

After comprehensive hardware benchmark comparisons, iPhone 18 Pro Max ranks as the overall top pick in this matchup. Key differentiators include its superior specifications and verified build advantages.

When to choose iPhone 18 Pro Max:

Higher overall BeastScore: 92.8 vs top rival 87.6 · Lower launch price: $1499 (save $100)

When to choose Xiaomi 15 Ultra:

Significantly faster wired charging: 90W vs max 45W · More system memory: 16GB RAM vs max 12GB

Quick Answers

Frequently Asked Questions: iPhone 18 Pro Max vs Xiaomi 15 Ultra

Which is better: iPhone 18 Pro Max or Xiaomi 15 Ultra?

iPhone 18 Pro Max leads with an overall BeastScore of 92.8/100 compared to Xiaomi 15 Ultra (87.6/100), driven by advantages in Higher overall BeastScore: 92.8 vs top rival 87.6 and Lower launch price: $1499 (save $100).