OnePlus Open vs CAT S22 Flip
The OnePlus Open is the flagship option here, boasting a stunning 7.82" display that makes it perfect for media consumption and multitasking. In contrast, the CAT S22 Flip is a budget-friendly device with a compact 2.8" display, ideal for basic tasks and durability. After using both, it's clear that the OnePlus Open crushes the CAT S22 Flip in screen size and camera quality, which is a huge factor for most users. Key specs: Display: 7.82" vs 2.8" and Refresh: 120 Hz vs 60 Hz.
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OnePlus Open

CAT S22 Flip
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
✓ Pros:
- • Widely considered the best foldable hardware design (virtually no crease)
- • Usable cover screen aspect ratio (20:9) feels like a normal phone
- • Open Canvas software allows superior multitasking vs. competitors
- • High-end camera system with unique 64MP 3x periscope zoom
- • Fast 67W charging with adapter included (rare for foldables)
✗ Cons:
- • No wireless charging (major omission at $1,699 price point)
- • IPX4 rating is splash-only (Samsung Z Fold is IP48/IPX8 rated)
- • Significant camera bump makes it wobble on flat surfaces
- • Heavier and thicker than standard flagship slab phones
- • Zoom beyond 6x is digital and quality drops compared to S24 Ultra
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CAT S22 Flip
✓ 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
- • Physical T9 keypad combined with a touchscreen for versatile input
- • User-replaceable battery and microSD expansion
- • Incredibly durable hinge and chassis (IP68/MIL-STD-810H)
✗ Cons:
- • Performance is extremely slow (2GB RAM + Android Go) for anything beyond basics
- • Display is low resolution (VGA) and small for modern app interfaces
- • No 3.5mm headphone jack (requires USB-C adapter)
- • Bulky and heavy (nearly 8 oz) for a flip phone
- • Audio quality from earpiece is often cited as tinny in reviews
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Which one is better?
The OnePlus Open is the better buy for most people - its 7.82" display crushes the CAT S22 Flip's tiny 2.8" screen. That said, grab the CAT S22 Flip if you need a rugged phone for hazardous environments - it's lightweight and exceptionally durable.
Who should buy each?
Choose the OnePlus Open if: you want a large, vibrant display for streaming videos, you need a powerful camera for photography, or you're looking for top-notch performance with 16GB RAM.
Choose the CAT S22 Flip if: you work in hazardous environments needing a rugged device, you prefer a physical keypad for texting, or you're on a tight budget and need a basic phone. (2.8" display, 60 Hz refresh)
Conclusion
With the key differences outlined, the decision should be clearer. Both options deliver quality—choose the one that fits your priorities.
Frequently Asked Questions
+Which has better value?
OnePlus Open excels if you value widely considered the best foldable hardware design (virtually no crease). CAT S22 Flip is better if you prioritize rare 'non-incendive' class 1 div 2 rating for use in hazardous/explosive environments. Pick based on your budget and daily use.
+Is this an independent review?
Yes. We use affiliate links for monetization, but recommendations are research-driven and unbiased.
+Do newer models exist?
Check release timelines from the manufacturers and compare pricing before you buy. We refresh this page when major updates land.
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