The foldable phone market is rapidly evolving, with devices catering to diverse needs. The ZTE nubia Flip2 and OnePlus Open represent distinct approaches: the Flip2 prioritizes longevity and affordability, while the Open aims for a premium, high-performance experience. This comparison dissects their core differences to determine which foldable best suits your priorities.
🏆 Quick Verdict
For the average user prioritizing all-day battery life and value, the ZTE nubia Flip2 is the clear winner. Its exceptional 36:54 hour endurance rating significantly outpaces the OnePlus Open's 11:59h active use score. However, power users demanding top-tier performance and a brighter display will find the OnePlus Open more compelling.
| Network |
|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G bands | LTE | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 30, 32, 38, 39, 40, 41, 46, 48, 66, 71 |
| 5G bands | SA/NSA | 1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 30, 38, 40, 41, 66, 71, 75, 77, 78 SA/NSA |
| Speed | HSPA, LTE, 5G | HSPA, LTE, 5G |
| Technology | GSM / HSPA / LTE / 5G | GSM / HSPA / LTE / 5G |
| Launch |
|---|
| Announced | 2025, January 15 | 2023, October 19 |
| Status | Available. Released 2025, June | Available. Released 2023, October 26 |
| Body |
|---|
| Build | Aluminum alloy frame, glass back | Glass front (Ceramic Guard) (folded), plastic front (unfolded), glass back or eco leather back, aluminum frame |
| Dimensions | Unfolded: 170 x 76 x 7.2 mmFolded: 87 x 76 x 15.8 mm | Unfolded: 153.4 x 143.1 x 5.8 mmFolded: 153.4 x 73.3 x 11.7 mm |
| SIM | · Nano-SIM + eSIM· Nano-SIM + Nano-SIM | Nano-SIM + Nano-SIM + eSIM (max 2 at a time) |
| Weight | 193 g (6.81 oz) | 239 g or 245 g (8.43 oz) |
| Display |
|---|
| Protection | Mohs level 4 | - |
| Resolution | 1188 x 2790 pixels, 21:9 ratio (~443 ppi density) | 2268 x 2440 pixels (~426 ppi density) |
| Size | 6.9 inches, 108.7 cm2 (~84.2% screen-to-body ratio) | 7.82 inches, 196.7 cm2 (~89.6% screen-to-body ratio) |
| Type | Foldable OLED, 1B colors, 120Hz, 1200 nits (HBM) | Foldable LTPO3 Flexi-fluid AMOLED, 1B colors, Dolby Vision, 120Hz, 2800 nits (peak) |
| Platform |
|---|
| CPU | Octa-core (4x2.5 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55) | Octa-core (1x3.2 GHz Cortex-X3 & 2x2.8 GHz Cortex-A715 & 2x2.8 GHz Cortex-A710 & 3x2.0 GHz Cortex-A510) |
| Chipset | Mediatek Dimensity 7300X (4 nm) | Qualcomm SM8550-AB Snapdragon 8 Gen 2 (4 nm) |
| GPU | Mali-G615 MC2 | Adreno 740 |
| OS | Android 14 | Android 13, upgradable to Android 15, OxygenOS 15 |
| Memory |
|---|
| Card slot | No | No |
| Internal | 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 512GB 12GB RAM | 512GB 16GB RAM, 1TB 16GB RAM |
| Main Camera |
|---|
| Dual | 50 MP, f/1.6, (wide), dual pixel PDAF
Auxiliary lens | - |
| Features | Ring LED flash, HDR, panorama | Hasselblad Color Calibration, LED flash, HDR, panorama |
| Triple | - | 48 MP, f/1.7, 24mm (wide), 1/1.43", 1.12µm, multi-directional PDAF, OIS
64 MP, f/2.6, 70mm (telephoto), 1/2.0", 0.7µm, PDAF, OIS, 3x optical zoom
48 MP, f/2.2, 14mm, 114˚ (ultrawide), 1/2.0", 0.8µm, PDAF |
| Video | 4K, 1080p | 4K@30/60fps, 1080p@30/60/120/240/480fps gyro-EIS, HDR10+, Dolby Vision |
| Selfie camera |
|---|
| Features | - | HDR |
| Single | 32 MP, (wide) | 20MP, f/2.2, 20mm (ultrawide), 1/4.0", 0.7µm
Cover camera:
32MP, f/2.4, 22mm (ultrawide), 1/3.14", 0.7µm |
| Video | Yes | 4K@30fps, 1080p@30fps, gyro-EIS |
| Sound |
|---|
| 35mm jack | No | No |
| Loudspeaker | Yes, with stereo speakers | Yes, with stereo speakers (Dolby Atmos enhanced) |
| Comms |
|---|
| Bluetooth | 5.4, A2DP, LE | 5.3, A2DP, LE, aptX HD |
| Infrared port | - | Yes |
| NFC | Yes | Yes |
| Positioning | GPS, GLONASS, GALILEO, BDS | GPS (L1+L5), GLONASS, BDS, GALILEO (E1+E5a), QZSS |
| Radio | No | No |
| USB | USB Type-C | USB Type-C 3.1, OTG |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band | Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band |
| Features |
|---|
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass |
| Battery |
|---|
| Charging | 33W wired, PD3.0, PPS, QC4+ | 67W wired, PD, 100% in 42 min
Reverse wired |
| Type | 4325 mAh | Li-Po 4805 mAh |
| Misc |
|---|
| Colors | Night Black, Lilac Purple, Blue, White | Emerald Dusk, Voyager Black, Apex Edition |
| Models | A404ZT, NX732J | CPH2551 |
| Price | - | $ 1,059.99 / € 926.54 |
| SAR | - | 0.98 W/kg (head) 0.76 W/kg (body) |
| EU LABEL |
|---|
| Battery | 36:54h endurance, 1000 cycles | - |
| Energy | Class C | - |
| Free fall | Class C (70 falls) | - |
| Repairability | Class C | - |
ZTE nubia Flip2
- Exceptional battery life (36:54h endurance)
- Long battery lifespan (1000 charge cycles)
- Versatile charging standards (PD3.0, PPS, QC4+)
- Less powerful processor than the OnePlus Open
- Limited camera details in provided specs
OnePlus Open
- Blazing-fast Snapdragon 8 Gen 2 performance
- Bright and vibrant display (1238 nits)
- Faster charging (67W, 42 min 0-100%)
- Significantly shorter battery life (11:59h active use)
- Higher price point
Display Comparison
The OnePlus Open boasts a significantly brighter display, reaching a measured 1238 nits peak brightness, which will be advantageous in direct sunlight. While the nubia Flip2’s display specs are not provided, its focus on battery life suggests a potentially less power-hungry panel, possibly at the expense of peak brightness. The Open’s larger form factor also likely contributes to a more immersive viewing experience. The absence of refresh rate data for the Flip2 makes a direct comparison difficult, but the Open likely benefits from an adaptive LTPO panel for improved efficiency.
Camera Comparison
The context data for both devices is limited regarding camera specifics. However, the OnePlus Open, positioned as a premium device, likely features a more advanced camera system with larger sensors and more sophisticated image processing. The nubia Flip2 likely focuses on providing a functional camera experience for everyday use. Without detailed sensor information, it’s difficult to make a precise comparison, but the Open’s brand reputation suggests a stronger emphasis on photographic quality and video capabilities.
Performance
The OnePlus Open’s Qualcomm Snapdragon 8 Gen 2 (4nm) chipset represents a substantial performance leap over the ZTE nubia Flip2’s MediaTek Dimensity 7300X (4nm). The Snapdragon 8 Gen 2’s octa-core configuration, featuring a Cortex-X3 prime core clocked at 3.2 GHz, is designed for demanding tasks. The Dimensity 7300X, while efficient, is geared towards a more balanced experience. The Open’s chipset will deliver smoother multitasking, faster app loading times, and superior gaming performance. The 4nm fabrication process in both chips contributes to thermal efficiency, but the Snapdragon 8 Gen 2’s more advanced architecture will likely result in better sustained performance under heavy load.
Battery Life
Battery life is where the ZTE nubia Flip2 truly shines. Its impressive 36:54 hour endurance rating dwarfs the OnePlus Open’s 11:59h active use score and 96h endurance rating (which is less specific). The Flip2’s 33W charging with PD3.0, PPS, and QC4+ offers respectable charging speeds, while the Open’s 67W charging and 42-minute 0-100% time is significantly faster. The Flip2’s claimed 1000 charge cycles also suggest a longer lifespan for the battery itself. The Open’s larger power draw from the Snapdragon 8 Gen 2 necessitates faster charging to compensate.
Buying Guide
Buy the ZTE nubia Flip2 if you need a foldable that can reliably last through a full day and beyond, and if you value a more accessible price point. It’s ideal for users who prioritize communication, social media, and light productivity. Buy the OnePlus Open if you prefer a flagship-level experience with a stunning display, blazing-fast performance for gaming and demanding apps, and a more sophisticated camera system, and are willing to pay a premium for it.
Frequently Asked Questions
❓ Does the Dimensity 7300X in the nubia Flip2 struggle with graphically intensive games?
While not as powerful as the Snapdragon 8 Gen 2, the Dimensity 7300X is a capable chipset. It will handle most mobile games at medium to high settings. However, demanding titles may require lower graphics settings to maintain a smooth frame rate. The Flip2 prioritizes efficiency over raw power.
❓ How does the 67W charging on the OnePlus Open compare to other fast charging solutions?
67W charging is exceptionally fast, allowing a full charge in approximately 42 minutes. This is significantly quicker than the nubia Flip2’s 33W charging. It’s comparable to some of the fastest charging technologies available on flagship smartphones, minimizing downtime.
❓ Is the difference in battery endurance between the two phones noticeable in everyday use?
Absolutely. The nubia Flip2’s 36:54 hour endurance rating translates to a significantly longer time between charges. Users can expect to comfortably get through a full day of moderate to heavy use without needing to top up, whereas the OnePlus Open may require a midday charge with similar usage.
❓ What kind of user would benefit most from the OnePlus Open's faster processor?
The OnePlus Open's Snapdragon 8 Gen 2 is ideal for power users who frequently engage in demanding tasks like mobile gaming, video editing, or running multiple apps simultaneously. It provides a smoother and more responsive experience for these use cases.
