OnePlus Open vs CAT S22 Flip
The OnePlus Open is the flagship option here, and it stands tall with its stunning 7.82” display compared to CAT S22 Flip's tiny 2.8”. You'd expect OnePlus Open to dominate, but the CAT S22 Flip's rugged durability and unique features really cater to specific needs. Considering these differences, you'll want to think hard about what you really need in a phone before making your choice. Key specs: Display: 7.82" vs 2.8" and Refresh: 120 Hz vs 60 Hz.
Why compare these? The OnePlus Open (premium flagship) and CAT S22 Flip (budget-friendly) 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.
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Key Differences at a Glance
| Aspect | OnePlus Open | CAT S22 |
|---|---|---|
| User Rating | ✓4.1★ (371 reviews) | 4★ (147 reviews) |
| Top Strength | Widely considered the best foldable hardware design (virtually no crease) | Rare 'Non-Incendive' Class 1 Div 2 rating for use in hazardous/explosive environments |
| Main Drawback | No wireless charging (major omission at $1,699 price point) | Performance is extremely slow (2GB RAM + Android Go) for anything beyond basics |
| Market Position | ✓Flagship | Budget |
OnePlus Open
Android
4 major Android OS upgrades and 5 years of security updates
Qualcomm Snapdragon 8 Gen 2 (SM8550-AB)
Adreno 740
CAT S22 Flip
Android
No guaranteed future OS/security updates (End of Life product)
Qualcomm 215 Mobile Platform (QM215) — 1.3GHz Quad-core
Adreno 308
Only the specs that differ are shown here. Winners are highlighted when the data is clear.
+Full specs, pros, and cons
Everything side-by-side with ratings and the full spec list.
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Full specs, pros, and cons
Everything side-by-side with ratings and the full spec list.
Comparison: OnePlus Open vs CAT S22 Flip
OnePlus Open
CAT S22 Flip
| Criterion | OnePlus Open | CAT S22 Flip |
|---|---|---|
| Rating | ★4.1(371)Amazon | ★4(147)Amazon |
Operating System | Android | Android |
Software Support | 4 major Android OS upgrades and 5 years of security updates | No guaranteed future OS/security updates (End of Life product) |
Processor | Qualcomm Snapdragon 8 Gen 2 (SM8550-AB) | Qualcomm 215 Mobile Platform (QM215) — 1.3GHz Quad-core |
Graphics | Adreno 740 | Adreno 308 |
RAM | 16GB LPDDR5X | 2GB LPDDR3 |
Storage | 512GB UFS 4.0 | 16GB eMMC 5.1 (Expandable via microSDXC up to 128GB) |
Display Size | Main: 7.82" / Cover: 6.31" | 2.8" (Main) / 1.44" (External Cover) |
Screen Type | Main: Flexi-fluid LTPO 3.0 AMOLED / Cover: Super Fluid LTPO 3.0 AMOLED | TFT LCD (Main), Gorilla Glass 5, Glove/Wet Finger Support |
Resolution | Main: 2440 x 2268 (2K) / Cover: 2484 x 1116 (2K) | 640 x 480 pixels (VGA - Main) / 128 x 128 pixels (Cover) |
Refresh Rate | 1Hz–120Hz Dynamic (Main); 10Hz–120Hz Dynamic (Cover) | 60Hz |
Peak Brightness | 1,400 nits (HBM) / 2,800 nits (Peak) | 400 nits (Typical) |
Main Camera | 48MP Sony LYT-T808, f/1.7, 1/1.43", OIS (Pixel Stacked) | 5MP, Fixed Focus, Single LED Flash |
Ultra-Wide Camera | 48MP Sony IMX581, f/2.2, 114-degree FOV, 1/2" | No (Not supported) |
Telephoto Camera | 64MP OmniVision OV64B, f/2.6, 3x Optical Zoom, OIS, 6x In-sensor Zoom | No (Not supported) |
Optical Zoom | 3x Optical Zoom (6x In-sensor lossless) | No (Not supported) |
Digital Zoom | Up to 120x (Ultra Res Zoom) | 4x |
Video Recording | 4K @ 60fps (Dolby Vision HDR supported @ 30fps) | 1080p @ 30fps |
Front Camera | Main Inner: 20MP, f/2.2 / Cover: 32MP, f/2.4 | 2MP, Fixed Focus |
Battery | 4,805mAh (Dual-cell) | 2,000mAh (User-Removable) |
Wired Charging | 67W SUPERVOOC (Charger included in box) | USB-C (Standard 5W-10W charging) |
Wireless Charging | No (Not supported) | No (Not supported) |
Connectivity | 5G (Sub-6/mmWave), Wi-Fi 7 (802.11be), Bluetooth 5.3, NFC | 4G LTE (T-Mobile/Metro optimized), Wi-Fi 4 (802.11n), Bluetooth 4.2, GPS |
USB | USB Type-C 3.1 (Video output supported) | USB Type-C 2.0 (OTG supported) |
Durability | IPX4 (Splash Resistant only); Ceramic Guard (Cover Glass) | IP68 (Water/Dust Resistant); MIL-STD-810H; Non-Incendive Class 1 Div 2 (Hazardous Locations) |
Dimensions | 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 | 4.70 x 2.40 x 0.91 in (119.4 x 61.0 x 23.0 mm) |
Weight | 8.43 oz (239g - Voyager Black) / 8.64 oz (245g - Emerald Dusk) | 7.90 oz (224 g) |
Biometrics | Side-mounted fingerprint sensor, Face Unlock | None (No Fingerprint, No Face Unlock) |
Extras | Physical Alert Slider, Open Canvas Multitasking, 3 Spatial Speakers (Dolby Atmos) | Programmable PTT (Push-to-Talk) Key, FM Radio, T9 Keyboard with Android Navigation Keys |
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OnePlus Open
Android
4 major Android OS upgrades and 5 years of security updates
Qualcomm Snapdragon 8 Gen 2 (SM8550-AB)
Adreno 740
16GB LPDDR5X
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)
CAT S22 Flip
Android
No guaranteed future OS/security updates (End of Life product)
Qualcomm 215 Mobile Platform (QM215) — 1.3GHz Quad-core
Adreno 308
2GB LPDDR3
16GB eMMC 5.1 (Expandable via microSDXC up to 128GB)
Pros
- Rare 'Non-Incendive' Class 1 Div 2 rating for use in hazardous/explosive environments
- Runs full Android apps (WhatsApp, Maps, Spotify) unlike feature phones
Cons
- Performance is extremely slow (2GB RAM + Android Go) for anything beyond basics
- Display is low resolution (VGA) and small for modern app interfaces
Which one is better?
The OnePlus Open is the better buy for most people - its 7.82” display crushes the 2.8” screen of the CAT S22 Flip.
Who should buy each?
Choose the OnePlus Open if: you want a stunning display for gaming, you need a powerhouse for multitasking with 16GB of RAM, or you shoot high-quality photos with its 48MP camera.
Choose the CAT S22 Flip if: you work in hazardous conditions and require a rugged phone, you prefer a physical keypad for texting, or you need a budget-friendly option that still runs full Android apps. (2.8" display, 60 Hz refresh)
Quality Seekers
Higher user rating (4.1★ vs 4★) indicates better overall satisfaction
→ Choose OnePlus Open
Safe Choice Buyers
More widely tested with 371 reviews vs 147
→ Choose OnePlus Open
Premium Buyers
Higher-tier option with more premium features and build quality
→ Choose OnePlus Open
Value Seekers
Better value proposition for buyers who don't need top-tier features
→ Choose CAT S22
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 OnePlus Open edges ahead with a 4.1★ rating compared to 4★. However, CAT S22 Flip remains a strong contender if its strengths align better with your needs.
Frequently Asked Questions
+Which is better: OnePlus Open or CAT S22 Flip?
OnePlus Open is the better choice if you prioritize widely considered the best foldable hardware design (virtually no crease). CAT S22 Flip wins if you value rare 'non-incendive' class 1 div 2 rating for use in hazardous/explosive environments. Both are rated highly (4.1★ vs 4★), so consider your specific needs and budget.
+What are the main differences between OnePlus Open and CAT S22 Flip?
Key differences: OnePlus Open offers widely considered the best foldable hardware design (virtually no crease), while CAT S22 Flip stands out with rare 'non-incendive' class 1 div 2 rating for use in hazardous/explosive environments. Consider that OnePlus Open no wireless charging (major omission at $1,699 price point). Meanwhile, CAT S22 Flip performance is extremely slow (2gb ram + android go) for anything beyond basics. 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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