Xiaomi 15 vs. iPhone 17 Pro Max: A Head-to-Head Flagship Battle

The Xiaomi 15 and Apple iPhone 17 Pro Max represent the pinnacle of smartphone engineering from their respective ecosystems. This comparison isn't simply about brand loyalty; it's a clash of architectural philosophies – Qualcomm's Oryon-powered Snapdragon 8 Elite against Apple's in-house A19 Pro, and a focus on rapid charging versus optimized active use endurance. We'll dissect every aspect to determine which device delivers the most compelling experience.
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🏆 Quick Verdict

For the power user prioritizing charging speed and raw performance, the Xiaomi 15 emerges as the winner. Its 90W wired charging and Snapdragon 8 Elite chipset offer a noticeable edge. However, the iPhone 17 Pro Max excels in sustained active use battery life, making it ideal for users who demand all-day performance without frequent top-ups.

PHONES
Phone Names Xiaomi 15 Apple iPhone 17 Pro Max
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 42, 48, 66 - International1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 30, 32, 34, 38, 39, 40, 41, 42, 48, 53, 66 - A3526
5G bands1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 48, 66, 75, 77, 78 SA/NSA - International1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 30, 38, 40, 41, 48, 53, 66, 70, 75, 77, 78, 79 SA/NSA/Sub6 - A3526
SpeedHSPA, LTE, 5GHSPA, LTE, 5G, EV-DO Rev.A 3.1 Mbps
TechnologyGSM / HSPA / LTE / 5GGSM / CDMA / HSPA / EVDO / LTE / 5G
Launch
Announced2024, October 292025, September 09
StatusAvailable. Released 2024, October 29Available. Released 2025, September 19
Body
BuildGlass front (Xiaomi Shield Glass), aluminum alloy frame (6M42)Glass front (Ceramic Shield 2), aluminum alloy frame, aluminum alloy back/ glass back (Ceramic Shield)
Dimensions152.3 x 71.2 x 8.1 / 8.4 / 8.5 mm163.4 x 78 x 8.8 mm (6.43 x 3.07 x 0.35 in)
SIM· Nano-SIM + Nano-SIM· Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time)· Nano-SIM + eSIM + eSIM (max 2 at a time; International)· eSIM + eSIM (8 or more, max 2 at a time; USA)· Nano-SIM + Nano-SIM (China)
Weight189 / 191 / 192 g (6.67 oz)233 g (8.22 oz)
Display
ProtectionXiaomi Shield Glass, Mohs level 6Ceramic Shield 2, Mohs level 5
Resolution1200 x 2670 pixels, 20:9 ratio (~460 ppi density)1320 x 2868 pixels, 19.5:9 ratio (~460 ppi density)
Size6.36 inches, 97.6 cm2 (~90.0% screen-to-body ratio)6.9 inches, 115.6 cm2 (~90.7% screen-to-body ratio)
TypeLTPO AMOLED, 68B colors, 1920Hz PWM, 120Hz, Dolby Vision, HDR10+, 3200 nits (peak)LTPO Super Retina XDR OLED, 120Hz, HDR10, Dolby Vision, 1000 nits (typ), 1600 nits (HBM), 3000 nits (peak)
Platform
CPUOcta-core (2x4.32 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)Hexa-core (2x4.26 GHz + 4xX.X GHz)
ChipsetQualcomm SM8750-AB Snapdragon 8 Elite (3 nm)Apple A19 Pro (3 nm)
GPUAdreno 830Apple GPU (6-core graphics)
OSAndroid 15, up to 4 major Android upgrades, HyperOS 2iOS 26, upgradable to iOS 26.1
Memory
Card slotNoNo
Internal256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM256GB 12GB RAM, 512GB 12GB RAM, 1TB 12GB RAM, 2TB 12GB RAM
Main Camera
FeaturesLaser AF, color spectrum sensor, Leica lens, Dual-LED dual-tone flash, HDR, panoramaDual-LED dual-tone flash, HDR (photo/panorama)
Triple50 MP, f/1.6, 23mm (wide), 1/1.31", 1.2µm, dual pixel PDAF, OIS 50 MP, f/2.0, 60mm (telephoto), 1/2.76", 0.64µm, PDAF (10cm - ∞), OIS, 2.6x optical zoom 50 MP, f/2.2, 14mm, 115˚ (ultrawide), 1/2.76", 0.64µm48 MP, f/1.8, 24mm (wide), 1/1.28", 1.22µm, dual pixel PDAF, sensor-shift OIS 48 MP, f/2.8, 100mm (periscope telephoto), 1/2.55", 0.7µm, PDAF, 3D sensor‑shift OIS, 4x optical zoom 48 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55", 0.7µm, PDAF TOF 3D LiDAR scanner (depth)
Video8K@24/30fps (HDR), 4K@24/30/60fps (HDR10+, 10-bit Dolby Vision HDR, 10-bit LOG), 1080p@30/60/120/240/960fps, 720p@1920fps, gyro-EIS4K@24/25/30/60/100/120fps, 1080p@25/30/60/120/240fps, 10-bit HDR, Dolby Vision HDR (up to 120fps), ProRes, ProRes RAW (up to 120fps), Apple Log 2, 3D (spatial) video/audio, stereo sound rec.
Selfie camera
FeaturesHDR, panoramaHDR, Dolby Vision HDR, 3D (spatial) audio, stereo sound rec., ProRes RAW, Apple Log 2
Single32 MP, f/2.0, 21mm (wide), 1/3.14", 0.7µm18 MP multi-aspect, f/1.9, 20mm (ultrawide), PDAF SL 3D, (depth/biometrics sensor)
Video4K@30/60fps, 1080p@30/60fps, HDR10+, gyro-EIS4K@24/25/30/60fps, 1080p@25/30/60/120fps, gyro-EIS
Sound
35mm jackNoNo
Loudspeaker Yes, with stereo speakersYes, with stereo speakers
Comms
Bluetooth5.4/6.0, A2DP, LE, aptX HD, aptX Adaptive, LHDC 56.0, A2DP, LE
Infrared portYes-
NFCYesYes
PositioningGPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5)GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS, NavIC
RadioNoNo
USBUSB Type-C 3.2, Display Port, OTGUSB Type-C 3.2 Gen 2, DisplayPort
WLANWi-Fi 802.11 a/b/g/n/ac/6e/7, dual-band or tri-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, hotspot
Features
SensorsFingerprint (under display, ultrasonic), accelerometer, proximity, gyro, compass, barometerFace ID, accelerometer, gyro, proximity, compass, barometer
Battery
Charging90W wired, PD3.0, QC3+ 50W wireless 10W reverse wirelessWired, PD3.2, AVS, 50% in 20 min 25W wireless MagSafe/Qi2, 50% in 30 min (15W - China) 4.5W reverse wired
TypeMarket-dependent versions:· Si/C Li-Ion 5240 mAh - Global· Si/C Li-Ion 5400 mAh - ChinaMarket-dependent versions:· Li-Ion 4823 mAh - Nano SIM model· Li-Ion 5088 mAh - eSIM only model
Misc
ColorsBlack, White, Liquid Silver, Green, LilacSilver, Cosmic Orange, Deep Blue
Models24129PN74G, 24129PN74I, 24129PN74CiPhone18,2, A3526, A3257, A3527, A3525
Price$ 789.99 / £ 519.00 / € 648.25€ 1,344.19 / $ 1,419.00 / £ 1,199.00 / ₹ 149,900
SAR-1.19 W/kg (head)     1.19 W/kg (body)
SAR EU0.99 W/kg (head)     1.00 W/kg (body)1.49 W/kg (head)     1.49 W/kg (body)
EU LABEL
Battery63:26h endurance, 1000 cycles53:00h endurance, 1000 cycles
EnergyClass AClass A
Free fallClass C (90 falls)Class B (180 falls)
RepairabilityClass CClass C

Xiaomi 15

  • Blazing-fast 90W wired charging
  • Potentially higher peak CPU performance with Oryon cores
  • Brighter display for outdoor visibility

  • Shorter active use battery life compared to iPhone
  • Android ecosystem fragmentation

Apple iPhone 17 Pro Max

  • Longer active use battery life
  • Seamless iOS ecosystem integration
  • Optimized software and neural engine

  • Slower charging speeds compared to Xiaomi
  • Less customizable operating system

Display Comparison

The Xiaomi 15 boasts a significantly brighter display, reaching a measured 1517 nits compared to the iPhone 17 Pro Max’s 1000 nits. This translates to superior visibility in direct sunlight. While both utilize a 3nm process for their respective chipsets, the display technology differences are stark. The Xiaomi 15’s higher peak brightness is particularly beneficial for HDR content consumption. We expect the Xiaomi 15 to also feature a higher refresh rate, though this isn't specified in the data, while the iPhone 17 Pro Max likely continues with ProMotion, dynamically adjusting refresh rate for power efficiency. The lack of specific information on panel type (LTPO) for the Xiaomi 15 leaves some questions unanswered, but the brightness advantage is clear.

Camera Comparison

Without detailed camera specifications, a direct comparison is limited. However, the market positioning suggests both phones will feature advanced camera systems. The iPhone 17 Pro Max is likely to continue Apple’s computational photography approach, prioritizing image processing and consistency. Xiaomi typically focuses on hardware, potentially incorporating larger sensors and advanced lens technologies. The absence of sensor size data prevents a definitive assessment, but the iPhone’s established image stabilization and video recording capabilities are strong contenders. We can assume both will offer excellent low-light performance and 4K video recording.

Performance

The Qualcomm SM8750-AB Snapdragon 8 Elite, built on a 3nm process, features an octa-core CPU configuration with Oryon V2 Phoenix cores – a 2x4.32 GHz prime core cluster and a 6x3.53 GHz efficiency cluster. This contrasts with the Apple A19 Pro’s hexa-core setup (2x4.26 GHz + 4xX.X GHz). While core count isn’t everything, the Snapdragon’s Oryon architecture is designed for high single-core performance, potentially giving it an edge in responsiveness and burst workloads. The iPhone’s A19 Pro benefits from Apple’s tight software integration and neural engine optimizations. Both chips utilize a 3nm process, suggesting comparable power efficiency, but the Snapdragon’s more aggressive clock speeds hint at a focus on raw power. The unspecified RAM speed for both devices is a missing piece, but we anticipate LPDDR5x in both.

Battery Life

The Xiaomi 15 delivers a remarkable 63:26h endurance score and 16:28h of active use, while the iPhone 17 Pro Max achieves 53:00h endurance and a superior 17:58h of active use. This highlights a key difference: the iPhone prioritizes sustained performance under load. The Xiaomi 15 compensates with incredibly fast charging – 90W wired, 50W wireless, and 10W reverse wireless – allowing for rapid top-ups. The iPhone 17 Pro Max offers 50% charge in 20 minutes with wired PD3.2 and AVS, and 50% in 30 minutes with 15W wireless (China). The Xiaomi’s charging speed is significantly faster, but the iPhone’s active use score suggests better power management and efficiency.

Buying Guide

Buy the Xiaomi 15 if you need the fastest possible charging, prioritize peak CPU performance for demanding tasks like video editing or gaming, and appreciate the flexibility of the Android ecosystem. Buy the Apple iPhone 17 Pro Max if you prefer a seamless user experience, prioritize long-lasting battery life during active use, and value Apple’s ecosystem integration and software support.

Frequently Asked Questions

❓ Does the Snapdragon 8 Elite in the Xiaomi 15 tend to throttle under sustained gaming loads?
While the Snapdragon 8 Elite’s 3nm process improves thermal efficiency, sustained gaming will inevitably generate heat. Xiaomi typically employs advanced cooling solutions, but throttling behavior will depend on the specific implementation and game settings. The Oryon cores are designed for performance, but maintaining peak clocks requires effective heat dissipation.
❓ How does the iPhone 17 Pro Max’s 50% charge in 20 minutes compare to the Xiaomi 15’s 90W charging in real-world scenarios?
The Xiaomi 15’s 90W charging is significantly faster. While the iPhone 17 Pro Max’s 50% in 20 minutes is respectable, the Xiaomi 15 can likely achieve a full charge in under 40 minutes. This makes the Xiaomi 15 ideal for users who frequently need to quickly top up their battery.
❓ What is the impact of the different CPU core configurations (Octa-core vs. Hexa-core) on everyday tasks?
For most everyday tasks, the difference between an octa-core and hexa-core CPU is minimal. Both the Snapdragon 8 Elite and A19 Pro are incredibly powerful. The octa-core configuration of the Xiaomi 15 may offer a slight advantage in multi-threaded workloads, while the A19 Pro benefits from Apple’s software optimizations.