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Lab Benchmark Battle

Xiaomi 12S Ultra vs iPhone 18 Pro Max

Direct side-by-side battle analyzing display brightness, chipset benchmark percentiles, multi-camera arrays, battery capacity, and charging speeds.

Smartphone Battle
Comparing 2 devicesSwipe across ⇄
Xiaomi 12S Ultra
Xiaomi · 2022

Xiaomi 12S Ultra

$1199
84.3/ 100
Overall
Exceptional
BeastScore
84.3
Benchmark
Performance90/100
Camera91/100
Battery80/100
iPhone 18 Pro Max
Apple · 2026

iPhone 18 Pro Max

$1499
92.8/ 100
Overall
Exceptional
BeastScore
92.8
Benchmark
Performance96/100
Camera94/100
Battery94/100

Which Phone Should You Buy: Key Reasons & Hardware Advantages

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Reasons to buy Xiaomi 12S Ultra:
  • ✓24g lighter chassis (225g) optimized for one-handed ergonomics
  • ✓$300 lower launch MSRP ($1199 vs $1499)
  • ✓50MP primary camera sensor with 4K/120fps video recording
Reasons to buy iPhone 18 Pro Max:
  • ✓Larger 5,567 mAh battery capacity (+707 mAh more capacity)
  • ✓48MP primary camera sensor with 4K/120fps video recording
  • ✓6.9" display with 120Hz ProMotion refresh rate

How Do the Specifications Compare Side-by-Side?

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SpecificationXiaomi 12S UltraiPhone 18 Pro Max
1. Display & Screen
Screen Type & TechLTPO AMOLEDLTPO Super Retina XDR OLED, 120Hz, HDR10, Dolby Vision
Screen Size6.73"6.9"
Resolution & Density3200x1440 (521 ppi)1320 x 2868 pixels (19.5:9 ratio) (460 ppi)
Refresh Rate120 Hz ProMotion120 Hz ProMotion
Brightness1,500 nits peak1000 nits (typ), 1600 nits (HBM), 3000 nits (peak)
Screen ProtectionScratch-resistant glassCeramic Shield 2, Anti-reflective coating, Always-On display
2. Platform & Performance
Chipset / ProcessorHigh performance SoC Apple A20 Pro (2 nm) (2nm)
CPU CoresMulti-core high performanceHexa-core (2x High Performance + 4x Efficiency)
GPU GraphicsIntegrated GraphicsApple GPU (7-core graphics)
Operating SystemAndroid 12iOS 27
3. Memory & Storage
RAM Memory12 GB12GB LPDDR5X
Internal Storage256GB / 512GB256GB / 512GB / 1TB / 2TB
Storage SpeedHigh-speed flashNVMe fast flash
Card SlotNoNo
4. Main Camera Optics
Primary Camera50 MP, f/1.9, OIS, Sony IMX98948 MP, f/1.5, 24mm (wide), 1/1.28", 1.22µm, OIS, Dual pixel PDAF, Sensor-shift OIS (gen 2)
Telephoto Zoom48 MP (5x optical zoom), f/4.1, OIS48 MP (4x optical zoom), f/2.8, 100mm (periscope telephoto), OIS
Ultrawide Camera48 MP, f/2.248 MP, f/2.2, 13mm, 120˚ (ultrawide)
LiDAR / DepthNoneTOF 3D LiDAR scanner (depth sensing & night portrait)
5. Video Recording Capabilities
Main Camera Video
4K@60fps1080p@240fpsHDR
4K@24/25/30/60/100/120fps1080p@240fps10-bit HDRDolby Vision HDR (up to 120fps)ProRes RAWApple Log 2Spatial 3D video & stereo sound
Front Video
4K@60fps1080p@60fpsgyro-EIS
4K@24/25/30/60fps1080p@120fpsgyro-EISDolby Vision HDR
6. Selfie Camera
Selfie Lens32 MP, f/2.4518 MP, f/1.9, 20mm (ultrawide multi-aspect)
7. Body & Dimensions
Dimensions163.18 x 74.97 x 9.06 mm163.4 x 78 x 8.8 mm (6.43 x 3.07 x 0.35 in)
Weight225 g249 g (8.78 oz)
Build MaterialsGlass front, metal/glass frameGlass front (Ceramic Shield 2), aluminum frame, aluminum/glass back
SIM TypeNano-SIM / eSIM supportNano-SIM + eSIM + dual eSIM support
Water ResistanceIP68IP68 dust/water resistant (up to 6m for 30 min)
8. Battery & Charging
Battery Capacity4,860 mAh5,567 mAh
Wired Fast Charging67W wired fast charging45W wired fast charging
Wireless Charging50W wireless charging25W wireless charging
Reverse ChargingReverse wireless chargingReverse wireless charging
9. Sound & Audio
LoudspeakerStereo speakersYes, with stereo speakers (Spatial Audio)
3.5mm Headphone JackNoNo
10. Connectivity & Comms
Wi-Fi StandardWi-Fi 6EWi-Fi 7 (802.11be, tri-band, hotspot)
Bluetooth5.3Bluetooth 6.0, A2DP, LE
USB Port & SpeedUSB-C 2.0USB Type-C 3.2 Gen 2 (up to 10Gbps), DisplayPort video out
NFCYes (contactless payment)Yes (Apple Pay Visa, MasterCard, AMEX certified)
11. Sensors & Security
SensorsBiometric fingerprint/face, accelerometer, gyro, compassFace ID, LiDAR scanner, accelerometer, gyro, proximity, compass, barometer
Satellite FeaturesEmergency SOS via satellite (select markets)Emergency SOS, Messages and Find My via satellite
12. Colors & Overview
ColorsStandard finishesBlack, Silver, Glacier, Burgundy
Launch Price$1199$1,499 / €1,600
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 Apple A20 Pro architecture and verified 94/100 camera rating.

When to buy Xiaomi 12S Ultra:
Significantly faster wired charging: 67W vs max 45W · Lighter body: 225g (24g lighter in hand)
When to buy iPhone 18 Pro Max:
Higher overall BeastScore: 92.8 vs top rival 84.3 · Larger battery capacity: 5,567 mAh (+707 mAh more)
Quick Answers

Frequently Asked Questions: Xiaomi 12S Ultra vs iPhone 18 Pro Max

Which phone is better: Xiaomi 12S Ultra or iPhone 18 Pro Max?

iPhone 18 Pro Max leads with an overall BeastScore of 92.8/100 compared to Xiaomi 12S Ultra (84.3/100), driven by advantages in Higher overall BeastScore: 92.8 vs top rival 84.3 and Larger battery capacity: 5,567 mAh (+707 mAh more).

What are the primary battery and display differences between Xiaomi 12S Ultra and iPhone 18 Pro Max?

Xiaomi 12S Ultra is equipped with a 6.73-inch display and 4860 mAh battery, while iPhone 18 Pro Max features a 6.9-inch display and 5567 mAh battery.

How do the camera capabilities compare between Xiaomi 12S Ultra and iPhone 18 Pro Max?

In lab hardware evaluations, Xiaomi 12S Ultra scores 91/100 in camera performance, while iPhone 18 Pro Max scores 94/100.

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