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2026 comparison
Updated Jan 27, 2026
|Sources: Amazon, Manufacturer

Apple iPhone 16 Pro Max vs OnePlus Open

When comparing the Apple iPhone 16 Pro Max and OnePlus Open, the key difference lies in their display sizes: 6.9 inches for the iPhone vs 6.3 inches for the OnePlus. This larger display makes the iPhone a no-brainer for media consumption and gaming, but the OnePlus offers a unique foldable experience that many may find appealing. In real-world usage, the iPhone's 4685mAh battery provides up to 33 hours of video playback. However, the OnePlus lacks wireless charging, which could be a deal-breaker for some. If you're all about the latest features in 2026, both phones have a lot to offer, but your choice depends on what you prioritize most. Key specs: Display: 6.9" vs 7.82" and Battery: 4685 mAh vs 4805 mAh.

Why compare these? Both the Apple iPhone 16 Pro Max and OnePlus Open are premium flagship smartphones competing in the same market segment. This makes them direct rivals for buyers looking for premium flagship features and performance in 2026. Understanding their differences helps you choose the right one for your specific needs.

📱 Display: 6.9" vs 7.82"🔋 Battery: 4685 mAh vs 4805 mAh⚖️ Weight: 8.01 oz vs 8.43 oz

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Key Differences at a Glance

AspectApple iPhoneOnePlus Open
User Rating4.7★ (348 reviews)4.1★ (371 reviews)
Top StrengthLargest iPhone display ever at 6.9 inches with ultra-thin bordersWidely considered the best foldable hardware design (virtually no crease)
Main DrawbackLarge physical dimensions can be unwieldy for some usersNo wireless charging (major omission at $1,699 price point)
Market PositionFlagshipFlagship
Apple iPhone 16 Pro Max

Apple iPhone 16 Pro Max

4.7
(348)Best Buy
Operating System

iOS

Software Support

Minimum 5 years from release date (guaranteed security updates); historically supports 6+ years of OS upgrades

Processor

Apple A18 Pro chip (3nm; 6-core CPU: 2 performance + 4 efficiency; 16-core Neural Engine)

Graphics

Apple 6-core GPU (A18 Pro)

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OnePlus Open

OnePlus Open

4.1
(371)Amazon
Operating System

Android

Software Support

4 major Android OS upgrades and 5 years of security updates

Processor

Qualcomm Snapdragon 8 Gen 2 (SM8550-AB)

Graphics

Adreno 740

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Key spec differences

Only the specs that differ are shown here. Winners are highlighted when the data is clear.

Display2 specs
Display SizeKey
Apple iPhone 16 Pro Max
6.9" (6.86" measured diagonally as a standard rectangle; actual viewable area is less)
OnePlus Open
Main: 7.82" / Cover: 6.31"
Winner
Refresh Rate
Apple iPhone 16 Pro Max
Up to 120 Hz (ProMotion adaptive 1-120Hz); Always-On display
OnePlus Open
1Hz–120Hz Dynamic (Main); 10Hz–120Hz Dynamic (Cover)
Performance3 specs
ProcessorKey
Apple iPhone 16 Pro Max
Apple A18 Pro chip (3nm; 6-core CPU: 2 performance + 4 efficiency; 16-core Neural Engine)
OnePlus Open
Qualcomm Snapdragon 8 Gen 2 (SM8550-AB)
RAMKey
Apple iPhone 16 Pro Max
8 GB (LPDDR5X)
OnePlus Open
16GB LPDDR5X
Winner
Storage
Apple iPhone 16 Pro Max
256GB / 512GB / 1TB (NVMe)
OnePlus Open
512GB UFS 4.0
Winner
Camera2 specs
Main CameraKey
Apple iPhone 16 Pro Max
48MP Fusion (24 mm, f/1.78), second-generation sensor-shift optical image stabilization, 100% Focus Pixels, support for super-high-resolution photos (24MP and 48MP)
OnePlus Open
48MP Sony LYT-T808, f/1.7, 1/1.43", OIS (Pixel Stacked)
Winner
Ultra-Wide Camera
Apple iPhone 16 Pro Max
48MP Ultra Wide (13 mm, f/2.2, 120° field of view), Hybrid Focus Pixels, 48MP macro photography
OnePlus Open
48MP Sony IMX581, f/2.2, 114-degree FOV, 1/2"
Battery2 specs
Battery CapacityKey
Apple iPhone 16 Pro Max
4685 mAh (Li-ion); Up to 33 hours video playback (29 hours streamed)
OnePlus Open
4,805mAh (Dual-cell)
Winner
Wireless Charging
Apple iPhone 16 Pro Max
MagSafe up to 25W (with 30W+ adapter); Qi2 up to 25W (via iOS update); Qi up to 7.5W
OnePlus Open
No (Not supported)
Design2 specs
Weight
Apple iPhone 16 Pro Max
7.99 oz (227 g)
Winner
OnePlus Open
8.43 oz (239g - Voyager Black) / 8.64 oz (245g - Emerald Dusk)
Dimensions
Apple iPhone 16 Pro Max
6.42" x 3.06" x 0.32" (163.0 x 77.6 x 8.25 mm)
OnePlus Open
Open: 6.04 x 5.63 x 0.23 in (153.4 x 143.1 x 5.8 mm) / Closed: 6.04 x 2.89 x 0.46 in
Software1 specs
Operating System
Apple iPhone 16 Pro Max
iOS
OnePlus Open
Android
Connectivity1 specs
Connectivity
Apple iPhone 16 Pro Max
5G (sub-6 GHz and mmWave) with 4x4 MIMO; Gigabit LTE; Wi-Fi 7 (802.11be) with 2x2 MIMO; Bluetooth 5.3; Ultra Wideband (Second-generation); Thread networking technology; NFC with reader mode
OnePlus Open
5G (Sub-6/mmWave), Wi-Fi 7 (802.11be), Bluetooth 5.3, NFC
+

Full specs, pros, and cons

Everything side-by-side with ratings and the full spec list.

Comparison: Apple iPhone 16 Pro Max vs OnePlus Open

Apple iPhone 16 Pro Max

Apple iPhone 16 Pro Max

4.7(348)Best Buy
OnePlus Open

OnePlus Open

4.1(371)Amazon
Apple iPhone 16 Pro Max

Apple iPhone 16 Pro Max

4.7(348)Best Buy
Operating System

iOS

Software Support

Minimum 5 years from release date (guaranteed security updates); historically supports 6+ years of OS upgrades

Processor

Apple A18 Pro chip (3nm; 6-core CPU: 2 performance + 4 efficiency; 16-core Neural Engine)

Graphics

Apple 6-core GPU (A18 Pro)

RAM

8 GB (LPDDR5X)

Storage

256GB / 512GB / 1TB (NVMe)

Pros

  • Largest iPhone display ever at 6.9 inches with ultra-thin borders
  • 48MP Ultra Wide camera improves macro and wide-angle detail significantly

Cons

  • Large physical dimensions can be unwieldy for some users
  • Fastest charging speeds (MagSafe 25W) require purchasing a new puck and adapter
OnePlus Open

OnePlus Open

4.1(371)Amazon
Operating System

Android

Software Support

4 major Android OS upgrades and 5 years of security updates

Processor

Qualcomm Snapdragon 8 Gen 2 (SM8550-AB)

Graphics

Adreno 740

RAM

16GB LPDDR5X

Storage

512GB UFS 4.0

Pros

  • Widely considered the best foldable hardware design (virtually no crease)
  • Usable cover screen aspect ratio (20:9) feels like a normal phone

Cons

  • No wireless charging (major omission at $1,699 price point)
  • IPX4 rating is splash-only (Samsung Z Fold is IP48/IPX8 rated)

Which one is better?

The Apple iPhone 16 Pro Max is the better buy for most people - its 6.9-inch display crushes the OnePlus Open's 6.3-inch screen. That said, grab the OnePlus Open if you want a foldable design and don't mind skipping wireless charging.

Who should buy each?

Choose the Apple iPhone 16 Pro Max if: you watch videos frequently on a large screen, you value premium build quality with titanium, or you need top-tier camera capabilities. (6.9" display, 4685 mAh battery)
Choose the OnePlus Open if: you love multitasking with a foldable display, you prefer a phone at 8.43oz, or you want a high-resolution camera with 64MP for detailed shots.

A

Quality Seekers

Higher user rating (4.7★ vs 4.1★) indicates better overall satisfaction

→ Choose Apple iPhone

A

Largest iPhone display Priority

Largest iPhone display ever at 6.9 inches with ultra-thin borders

→ Choose Apple iPhone

B

Widely considered the Priority

Widely considered the best foldable hardware design (virtually no crease)

→ Choose OnePlus Open

Conclusion

Apple iPhone 16 Pro Max and OnePlus Open are both solid choices. Match the strengths above to your budget and workflow to make the best call.

Bottom line: The Apple iPhone 16 Pro Max edges ahead with a 4.7★ rating compared to 4.1★. However, OnePlus Open remains a strong contender if its strengths align better with your needs.

Frequently Asked Questions

+Which is better: Apple iPhone 16 Pro Max or OnePlus Open?

Apple iPhone 16 Pro Max is the better choice if you prioritize largest iphone display ever at 6.9 inches with ultra-thin borders. OnePlus Open wins if you value widely considered the best foldable hardware design (virtually no crease). Both are rated highly (4.7★ vs 4.1★), so consider your specific needs and budget.

+What are the main differences between Apple iPhone 16 Pro Max and OnePlus Open?

Key differences: Apple iPhone 16 Pro Max offers largest iphone display ever at 6.9 inches with ultra-thin borders, while OnePlus Open stands out with widely considered the best foldable hardware design (virtually no crease). Consider that Apple iPhone 16 Pro Max large physical dimensions can be unwieldy for some users. Meanwhile, OnePlus Open no wireless charging (major omission at $1,699 price point). Check the detailed specs table above for a complete comparison.

+Where can US buyers get the best price?

For US buyers, Amazon typically offers competitive pricing with Prime shipping, easy returns, and reliable warranty support. We recommend comparing prices on both products using our affiliate links above—prices fluctuate regularly, and you may find sales or deals.

+Is this comparison up to date?

Yes, this comparison is current for 2026. We regularly verify specs, ratings, and availability. Last verified: January 27, 2026. PageBen uses affiliate links for monetization, but our recommendations are research-driven and independent.

Affiliate disclosure

PageBen uses Amazon affiliate links. If you purchase through our links, we may earn a commission at no extra cost to you. This supports independent content for US shoppers.