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

Samsung Galaxy S23 Ultra vs OnePlus Open

The Samsung Galaxy S23 Ultra is a flagship powerhouse, but the OnePlus Open takes a unique approach with its foldable design. However, the OnePlus Open's innovative 7.82" display and multitasking capabilities offer functionalities that might sway those looking for versatility in their daily use. In real-world testing, its seamless folding design offers a different experience, making it an intriguing option in 2026. Key specs: Display: 6.8" vs 7.82" and Battery: 5000 mAh vs 4805 mAh.

Why compare these? Both the Samsung Galaxy S23 Ultra 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: 6.8" vs 7.82"🔋 Battery: 5000 mAh vs 4805 mAh⚖️ Weight: 8.25 oz vs 8.43 oz

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Key Differences at a Glance

AspectSamsung GalaxyOnePlus Open
User Rating4.4★ (1,341 reviews)4.1★ (371 reviews)
Top StrengthClass-leading 200MP main camera and versatile 10x optical zoomWidely considered the best foldable hardware design (virtually no crease)
Main DrawbackSlow charging speed (45W) compared to competitorsNo wireless charging (major omission at $1,699 price point)
Market PositionFlagshipFlagship
Samsung Galaxy S23 Ultra

Samsung Galaxy S23 Ultra

4.4
(1,341)Amazon
Operating System

Android

Software Support

4 generations of OS upgrades; 5 years of security updates

Processor

Qualcomm Snapdragon 8 Gen 2 for Galaxy

Graphics

Qualcomm Adreno 740

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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
Samsung Galaxy S23 Ultra
6.8" (measured diagonally; actual viewable area is less)
OnePlus Open
Main: 7.82" / Cover: 6.31"
Winner
Refresh Rate
Samsung Galaxy S23 Ultra
1–120Hz (Adaptive)
OnePlus Open
1Hz–120Hz Dynamic (Main); 10Hz–120Hz Dynamic (Cover)
Performance3 specs
ProcessorKey
Samsung Galaxy S23 Ultra
Qualcomm Snapdragon 8 Gen 2 for Galaxy
OnePlus Open
Qualcomm Snapdragon 8 Gen 2 (SM8550-AB)
RAMKey
Samsung Galaxy S23 Ultra
8GB / 12GB LPDDR5X
OnePlus Open
16GB LPDDR5X
Winner
Storage
Samsung Galaxy S23 Ultra
256GB / 512GB / 1TB (UFS 4.0)
OnePlus Open
512GB UFS 4.0
Winner
Camera2 specs
Main CameraKey
Samsung Galaxy S23 Ultra
200MP Wide (f/1.7, 85° FOV), Laser AF, OIS
Winner
OnePlus Open
48MP Sony LYT-T808, f/1.7, 1/1.43", OIS (Pixel Stacked)
Ultra-Wide Camera
Samsung Galaxy S23 Ultra
12MP Ultra-Wide (f/2.2, 120° FOV)
OnePlus Open
48MP Sony IMX581, f/2.2, 114-degree FOV, 1/2"
Battery2 specs
Battery CapacityKey
Samsung Galaxy S23 Ultra
5,000 mAh (Typical)
Winner
OnePlus Open
4,805mAh (Dual-cell)
Wireless Charging
Samsung Galaxy S23 Ultra
Fast Wireless Charging 2.0 (15W); Wireless PowerShare
OnePlus Open
No (Not supported)
Design2 specs
Weight
Samsung Galaxy S23 Ultra
8.25 oz (234 g)
Winner
OnePlus Open
8.43 oz (239g - Voyager Black) / 8.64 oz (245g - Emerald Dusk)
Dimensions
Samsung Galaxy S23 Ultra
6.43" x 3.07" x 0.35" (163.4 x 78.1 x 8.9 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
Connectivity1 specs
Connectivity
Samsung Galaxy S23 Ultra
5G (Sub6/mmWave); Wi-Fi 6E (802.11ax); Bluetooth 5.3; NFC; UWB
OnePlus Open
5G (Sub-6/mmWave), Wi-Fi 7 (802.11be), Bluetooth 5.3, NFC
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Full specs, pros, and cons

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

Comparison: Samsung Galaxy S23 Ultra vs OnePlus Open

Samsung Galaxy S23 Ultra

Samsung Galaxy S23 Ultra

4.4(1,341)Amazon
OnePlus Open

OnePlus Open

4.1(371)Amazon
Samsung Galaxy S23 Ultra

Samsung Galaxy S23 Ultra

4.4(1,341)Amazon
Operating System

Android

Software Support

4 generations of OS upgrades; 5 years of security updates

Processor

Qualcomm Snapdragon 8 Gen 2 for Galaxy

Graphics

Qualcomm Adreno 740

RAM

8GB / 12GB LPDDR5X

Storage

256GB / 512GB / 1TB (UFS 4.0)

Pros

  • Class-leading 200MP main camera and versatile 10x optical zoom
  • Custom Snapdragon 8 Gen 2 for Galaxy provides top-tier performance

Cons

  • Slow charging speed (45W) compared to competitors
  • Large and heavy (8.25 oz) form factor is difficult for one-handed use
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 Samsung Galaxy S23 Ultra is the better buy for most people - its 200MP camera crushes the OnePlus Open's 64MP setup. That said, grab the OnePlus Open if you want a foldable experience and a device at 8.43oz.

Who should buy each?

Choose the Samsung Galaxy S23 Ultra if: you shoot a lot of photos, need all-day battery life, or want top-tier performance for gaming. (6.8" display, 5000 mAh battery)
Choose the OnePlus Open if: you want a versatile foldable design, prioritize multitasking with dual screens, or prefer a device for daily use. (7.82" display, 4805 mAh battery)

A

Quality Seekers

Higher user rating (4.4★ vs 4.1★) indicates better overall satisfaction

→ Choose Samsung Galaxy

A

Safe Choice Buyers

More widely tested with 1,341 reviews vs 371

→ Choose Samsung Galaxy

A

Class-leading 200MP main Priority

Class-leading 200MP main camera and versatile 10x optical zoom

→ Choose Samsung Galaxy

B

Widely considered the Priority

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

→ Choose OnePlus Open

Conclusion

With the key differences outlined, the decision should be clearer. Both options deliver quality—choose the one that fits your priorities.

Bottom line: The Samsung Galaxy S23 Ultra edges ahead with a 4.4★ 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: Samsung Galaxy S23 Ultra or OnePlus Open?

Samsung Galaxy S23 Ultra is the better choice if you prioritize class-leading 200mp main camera and versatile 10x optical zoom. OnePlus Open wins if you value widely considered the best foldable hardware design (virtually no crease). Both are rated highly (4.4★ vs 4.1★), so consider your specific needs and budget.

+What are the main differences between Samsung Galaxy S23 Ultra and OnePlus Open?

Key differences: Samsung Galaxy S23 Ultra offers class-leading 200mp main camera and versatile 10x optical zoom, while OnePlus Open stands out with widely considered the best foldable hardware design (virtually no crease). Consider that Samsung Galaxy S23 Ultra slow charging speed (45w) compared to competitors. 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.

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