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Lab Benchmark Battle

iPhone 15 Plus 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 ⇄
Apple · 2023

iPhone 15 Plus

iPhone 15 Plus
72/ 100
Launch MSRP$899 USD
Apple · 2026

iPhone 18 Pro Max

iPhone 18 Pro Max
93/ 100
Launch MSRP$1,499 USD
WHO WINS WHERE

WHY IS iPhone 18 Pro Max BETTER THAN iPhone 15 Plus?

Tap an area on the radar to inspect category hardware facts

iPhone 15 Plus
iPhone 18 Pro MaxWinner 🏆

BIGGEST HARDWARE DIFFERENCES

Margin Delta
SPEC FACTORiPhone 15iPhone 18LEADER
Refresh Rate60Hz120Hz120Hz
Battery Capacity4,383 mAh5,567 mAh+5,567 mAh
Wired Fast Charging27W45W45W Max
Main Camera Sensor48 MP48 MP48 MP
Screen Display Size6.7"6.9"6.9"
Chassis Weight201g249g201g Lightest
Compare All 177+ Specifications Below↓

Which Phone Should You Buy: Key Reasons & Hardware Advantages

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Reasons to buy iPhone 15 Plus:
  • ✓48g lighter chassis (201g) optimized for one-handed ergonomics
  • ✓$600 lower launch MSRP ($899 vs $1499)
  • ✓48MP primary camera sensor with 4K/120fps video recording
Reasons to buy iPhone 18 Pro Max:
  • ✓Larger 5,567 mAh battery capacity (+1,184 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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SpecificationiPhone 15 PlusiPhone 18 Pro Max
1. Display & Screen🏆 iPhone 18 Pro Max Wins Display
Screen Type & TechSuper Retina XDR OLEDLTPO Super Retina XDR OLED, 120Hz, HDR10, Dolby Vision
Screen Size6.7"6.9"
Resolution & Density2796x1290 (460 ppi)1320 x 2868 pixels (19.5:9 ratio) (460 ppi)
Refresh Rate60 Hz ProMotion120 Hz ProMotion
Brightness2,000 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🏆 iPhone 18 Pro Max Wins 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 SystemiOS 17iOS 27
3. Memory & Storage
RAM Memory6 GB LPDDR12GB LPDDR5X
Internal Storage128GB / 256GB / 512GB256GB / 512GB / 1TB / 2TB
Storage SpeedHigh-speed flashNVMe fast flash
Card SlotNoNo
4. Main Camera Optics🏆 iPhone 18 Pro Max Wins Camera
Primary Camera48 MP, f/1.6, OIS, Sony48 MP, f/1.5, 24mm (wide), 1/1.28", 1.22µm, OIS, Dual pixel PDAF, Sensor-shift OIS (gen 2)
Telephoto ZoomNone (Digital zoom only)48 MP (4x optical zoom), f/2.8, 100mm (periscope telephoto), OIS
Ultrawide Camera12 MP, f/2.448 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 Lens12 MP, f/1.918 MP, f/1.9, 20mm (ultrawide multi-aspect)
7. Body & Dimensions🏆 iPhone 15 Plus Lightest Chassis
Dimensions160.9 x 77.8 x 7.8 mm163.4 x 78 x 8.8 mm (6.43 x 3.07 x 0.35 in)
Weight201 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🏆 iPhone 18 Pro Max Wins Battery
Battery Capacity4,383 mAh5,567 mAh
Wired Fast Charging27W wired fast charging45W wired fast charging
Wireless Charging15W 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 6Wi-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$899$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 (2 nm) architecture and verified 94/100 camera rating.

When to buy iPhone 15 Plus:
Lighter body: 201g (48g lighter in hand) · Lower launch price: $899 (save $600)
When to buy iPhone 18 Pro Max:
Higher overall BeastScore: 92.8 vs top rival 72.1 · Larger battery capacity: 5,567 mAh (+1,184 mAh more)
Quick Answers

Frequently Asked Questions: iPhone 15 Plus vs iPhone 18 Pro Max

Which phone is better: iPhone 15 Plus or iPhone 18 Pro Max?

iPhone 18 Pro Max leads with an overall BeastScore of 92.8/100 compared to iPhone 15 Plus (72.1/100), driven by advantages in Higher overall BeastScore: 92.8 vs top rival 72.1 and Larger battery capacity: 5,567 mAh (+1,184 mAh more).

What are the primary battery and display differences between iPhone 15 Plus and iPhone 18 Pro Max?

iPhone 15 Plus is equipped with a 6.7-inch display and 4383 mAh battery, while iPhone 18 Pro Max features a 6.9-inch display and 5567 mAh battery.

How do the camera capabilities compare between iPhone 15 Plus and iPhone 18 Pro Max?

In lab hardware evaluations, iPhone 15 Plus scores 82/100 in camera performance, while iPhone 18 Pro Max scores 94/100.

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