BeastCompare

iPhone 17 Pro Max vs OPPO K15x: Which One Should You Buy?

iPhone 17 Pro Max edges ahead with a BeastScore of 84.5/100 — but the right choice depends on what matters to you.

Head-to-head
Comparing 2 devicesSwipe ⇄
Apple · 2025

iPhone 17 Pro Max

iPhone 17 Pro Max
85/ 100
Launch price$1,199
Oppo · 2026

OPPO K15x

OPPO K15x
84/ 100
Launch pricePrice on request
Head-to-head

iPhone 17 Pro Max wins 5 of 6 categories

Here's exactly where each phone is stronger.

iPhone 17 Pro Max
iPhone 17 Pro Max
5 wins
OPPO K15x
OPPO K15x
1 win
At a glance

Bigger shape = better phone.

SpeedCameraSelfieBatteryDisplaySecurity
iPhone 17 Pro MaxOPPO K15x
Category winners

Scores out of 100. "From specs" scores compare only the specs both phones list. How we score

  • Speedfrom specsiPhone 17 Pro Max
    96
    54
  • Camerafrom specsiPhone 17 Pro Max
    77
    57
  • VideoNot enough data
  • SelfieiPhone 17 Pro Max
    76
    40
  • Batteryfrom specsOPPO K15x
    61
    84
  • Displayfrom specsiPhone 17 Pro Max
    94
    58
  • ConnectivityNot enough data
  • SecurityiPhone 17 Pro Max
    100
    34
  • ValueNot enough data
Key differences
  • OPPO K15x has the bigger battery6,500 mAh vs 5,088 mAh
  • OPPO K15x charges faster45W vs 40W
  • iPhone 17 Pro Max has a sharper main camera48 MP vs 13 MP
  • iPhone 17 Pro Max has the bigger screen6.9" vs 6.75"
  • OPPO K15x is lighter212 g vs 233 g
  • iPhone 17 Pro Max has a sharper selfie camera18 MP vs 5 MP
  • iPhone 17 Pro Max has more RAM12 GB vs 6 GB
  • iPhone 17 Pro Max has the faster chipApple A19 Pro vs MediaTek Dimensity 6300
  • iPhone 17 Pro Max is better protected from water and dustIP68 vs IP64
See all specs ↓

Why buy each phone

Swipe ⇄
Reasons to buy iPhone 17 Pro Max
  • ✓48 MP main camera
  • ✓6.9" display at 120 Hz
Reasons to buy OPPO K15x
  • ✓21 g lighter (212 g vs 233 g), easier to hold
  • ✓Bigger 6,500 mAh battery (+1,412 mAh)
  • ✓13 MP main camera

Full specifications

Swipe ⇄
SpecificationiPhone 17 Pro MaxOPPO K15x
1. Display & Screen🏆 iPhone 17 Pro Max Wins Display
Screen typeLTPO Super Retina XDR OLEDIPS LCD
Screen Size6.9"6.75"
Resolution & Density2868x1320 (460 ppi)720x1570
Refresh Rate120 Hz ProMotion120 Hz
Brightness3,000 nits peak1,125 nits peak
Screen ProtectionNot listedNot listed
2. Platform & Performance🏆 iPhone 17 Pro Max Wins Performance
Chipset / ProcessorApple A19 Pro (3nm)MediaTek Dimensity 6300
CPU CoresNot listedNot listed
GPU GraphicsApple GPU (6-core)Not listed
Operating SystemiOS 26Android 16
3. Memory & Storage
RAM Memory12 GB LPDDR6 GB LPDDR
Internal Storage256GB / 512GB / 1024GB / 2048GB128/256 GB
Storage SpeedNot listedNot listed
Card SlotNoNo
4. Main Camera Optics🏆 iPhone 17 Pro Max Wins Camera
Primary Camera48 MP, f/1.78, OIS, Fusion 48MP13 MP
Telephoto Zoom48 MP (8x optical zoom), f/2.8, OISNone (digital zoom only)
Ultrawide Camera48 MP, f/2.2N/A
LiDAR / DepthNoneNone
5. Video
Main Camera Video
Not listed
Not listed
Front Video
Not listed
Not listed
6. Selfie Camera
Selfie Lens18 MP, f/1.95 MP
7. Body & Dimensions🏆 OPPO K15x Lightest Chassis
Dimensions163.4 x 78 x 8.75 mm166.6 x 78.5 x 8.6 mm
Weight233 g212 g
Build MaterialsNot listedNot listed
SIM TypeNot listedNot listed
Water ResistanceIP68IP64
8. Battery & Charging🏆 OPPO K15x Wins Battery
Battery Capacity5,088 mAh6,500 mAh
Wired Fast Charging40W wired fast charging45W
Wireless Charging25W wireless chargingNot listed
Reverse ChargingNot listedNot listed
9. Sound & Audio
LoudspeakerNot listedNot listed
3.5mm Headphone JackNoNo
10. Connectivity
Wi-Fi StandardWi-Fi 7Not listed
Bluetooth6.0Not listed
USB Port & SpeedUSB-C 3.0Not listed
NFCYes (contactless payment)Yes
11. Sensors & Security
SensorsNot listedNot listed
Satellite FeaturesNot listedNot listed
12. Colors & Overview
ColorsNot listedNot listed
Launch Price$1,199Price on request
Our verdict

iPhone 17 Pro Max wins — BeastScore 84.5/100

The iPhone 17 Pro Max is the better pick for most people thanks to its sharper main camera (48 MP vs 13 MP) and bigger screen (6.9" vs 6.75"). The OPPO K15x is worth a look if you prefer its bigger battery (6,500 mAh vs 5,088 mAh).

Buy iPhone 17 Pro Max if you want

Higher-resolution main camera: 48 MP vs 13 MP · Optical telephoto zoom (1 telephoto lens)

Buy OPPO K15x if you want

Larger battery: 6,500 mAh vs 5,088 mAh · Lighter: 212 g vs 233 g (21 g less)

Common questions

Which is better: iPhone 17 Pro Max or OPPO K15x?

The iPhone 17 Pro Max is the better pick for most people thanks to its sharper main camera (48 MP vs 13 MP) and bigger screen (6.9" vs 6.75"). The OPPO K15x is worth a look if you prefer its bigger battery (6,500 mAh vs 5,088 mAh). BeastScore: iPhone 17 Pro Max 84.5/100, OPPO K15x 84.0/100.

What are the main battery and display differences between iPhone 17 Pro Max and OPPO K15x?

iPhone 17 Pro Max has a 6.9-inch display and 5088 mAh battery. OPPO K15x has a 6.75-inch display and 6500 mAh battery.

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