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

OnePlus Open vs Nokia XR21 5G

Get the OnePlus Open unless you need extreme durability. The numbers tell a compelling story: 7.82" display vs 6.49" and 16GB RAM vs 6GB make it the better choice for power users. Plus, with its premium build and flagship specs, the OnePlus Open is a no-brainer if you're looking for the best performance in 2026. Key specs: Display: 7.82" vs 6.49" and Battery: 4805 mAh vs 4800 mAh.

Why compare these? The OnePlus Open (premium flagship) and Nokia XR21 5G (mid-range) represent different approaches to smartphones. While they may appeal to different budgets, many buyers consider both options. This 2026 comparison helps you decide if the differences justify the price gap.

📱 Display: 7.82" vs 6.49"🔋 Battery: 4805 mAh vs 4800 mAh⚖️ Weight: 8.43 oz vs 8.15 oz

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Key Differences at a Glance

AspectOnePlus OpenNokia XR21
User Rating4.1★ (371 reviews)3.5★ (60 reviews)
Top StrengthWidely considered the best foldable hardware design (virtually no crease)Certified IP69K rating (withstands high-pressure/high-temp steam jets)
Main DrawbackNo wireless charging (major omission at $1,699 price point)Removed wireless charging (The older XR20 had 15W wireless)
Market PositionFlagshipMid-range
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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Nokia XR21 5G

Nokia XR21 5G

3.5
(60)Amazon
Operating System

Android

Software Support

3 years of OS upgrades and 4 years of monthly security updates (from global launch in May 2023)

Processor

Qualcomm Snapdragon 695 5G (6nm)

Graphics

Adreno 619

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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
OnePlus Open
Main: 7.82" / Cover: 6.31"
Winner
Nokia XR21 5G
6.49"
Refresh Rate
OnePlus Open
1Hz–120Hz Dynamic (Main); 10Hz–120Hz Dynamic (Cover)
Nokia XR21 5G
120Hz (Adaptive)
Performance3 specs
ProcessorKey
OnePlus Open
Qualcomm Snapdragon 8 Gen 2 (SM8550-AB)
Nokia XR21 5G
Qualcomm Snapdragon 695 5G (6nm)
RAMKey
OnePlus Open
16GB LPDDR5X
Winner
Nokia XR21 5G
6GB
Storage
OnePlus Open
512GB UFS 4.0
Winner
Nokia XR21 5G
128GB UFS 2.1 (Non-expandable)
Camera2 specs
Main CameraKey
OnePlus Open
48MP Sony LYT-T808, f/1.7, 1/1.43", OIS (Pixel Stacked)
Nokia XR21 5G
64MP, f/1.8, PDAF, Dual-LED Flash
Ultra-Wide Camera
OnePlus Open
48MP Sony IMX581, f/2.2, 114-degree FOV, 1/2"
Nokia XR21 5G
8MP, f/2.2, 112-degree FOV, Fixed Focus
Battery2 specs
Battery CapacityKey
OnePlus Open
4,805mAh (Dual-cell)
Winner
Nokia XR21 5G
4,800mAh (Non-removable)
Wireless Charging
OnePlus Open
No (Not supported)
Nokia XR21 5G
No (Not supported) — *Note: Downgrade from Nokia XR20*
Design2 specs
Weight
OnePlus Open
8.43 oz (239g - Voyager Black) / 8.64 oz (245g - Emerald Dusk)
Nokia XR21 5G
8.15 oz (231 g)
Winner
Dimensions
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
Nokia XR21 5G
6.61 x 3.09 x 0.41 in (168.0 x 78.6 x 10.5 mm)
Connectivity1 specs
Connectivity
OnePlus Open
5G (Sub-6/mmWave), Wi-Fi 7 (802.11be), Bluetooth 5.3, NFC
Nokia XR21 5G
5G (Sub-6), Wi-Fi 6 (802.11ax), Bluetooth 5.1, NFC, GNSS (L1+L5)
+

Full specs, pros, and cons

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

Comparison: OnePlus Open vs Nokia XR21 5G

OnePlus Open

OnePlus Open

4.1(371)Amazon
Nokia XR21 5G

Nokia XR21 5G

3.5(60)Amazon
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)
Nokia XR21 5G

Nokia XR21 5G

3.5(60)Amazon
Operating System

Android

Software Support

3 years of OS upgrades and 4 years of monthly security updates (from global launch in May 2023)

Processor

Qualcomm Snapdragon 695 5G (6nm)

Graphics

Adreno 619

RAM

6GB

Storage

128GB UFS 2.1 (Non-expandable)

Pros

  • Certified IP69K rating (withstands high-pressure/high-temp steam jets)
  • Guaranteed 3 OS updates and 4 years of monthly security patches

Cons

  • Removed wireless charging (The older XR20 had 15W wireless)
  • Removed microSD card slot (The older XR20 had expandable storage)

Which one is better?

The OnePlus Open is the better buy for most people - its 7.82" display crushes the Nokia XR21 5G's 6.49". That said, grab the Nokia XR21 5G if you need a rugged phone that can handle extreme conditions - it's lighter at 8.15oz.

Who should buy each?

Choose the OnePlus Open if: you want a massive 7.82" display for gaming, require 16GB of RAM for multitasking, or take a lot of photos with its high-end camera system.
Choose the Nokia XR21 5G if: you work in tough environments requiring IP69K durability, need a lighter phone at 8.15oz, or prefer a budget-friendly option with decent specs.

A

Quality Seekers

Higher user rating (4.1★ vs 3.5★) indicates better overall satisfaction

→ Choose OnePlus Open

A

Safe Choice Buyers

More widely tested with 371 reviews vs 60

→ Choose OnePlus Open

A

Premium Buyers

Higher-tier option with more premium features and build quality

→ Choose OnePlus Open

B

Value Seekers

Better value proposition for buyers who don't need top-tier features

→ Choose Nokia XR21

Conclusion

We hope this comparison helps you buy with confidence. Both products are dependable; the right one depends on how you will use it.

Bottom line: The OnePlus Open edges ahead with a 4.1★ rating compared to 3.5★. However, Nokia XR21 5G remains a strong contender if its strengths align better with your needs.

Frequently Asked Questions

+Which is better: OnePlus Open or Nokia XR21 5G?

OnePlus Open is the better choice if you prioritize widely considered the best foldable hardware design (virtually no crease). Nokia XR21 5G wins if you value certified ip69k rating (withstands high-pressure/high-temp steam jets). Both are rated highly (4.1★ vs 3.5★), so consider your specific needs and budget.

+What are the main differences between OnePlus Open and Nokia XR21 5G?

Key differences: OnePlus Open offers widely considered the best foldable hardware design (virtually no crease), while Nokia XR21 5G stands out with certified ip69k rating (withstands high-pressure/high-temp steam jets). Consider that OnePlus Open no wireless charging (major omission at $1,699 price point). Meanwhile, Nokia XR21 5G removed wireless charging (the older xr20 had 15w wireless). 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.