The foldable phone market is heating up, with the OnePlus Open entering the fray to challenge Samsung’s dominance. While specific details on the Samsung Z105 remain scarce, we can leverage brand history and the OnePlus Open’s robust specifications to provide a comprehensive comparison, focusing on performance, battery, and the overall foldable experience.
🏆 Quick Verdict
For the average user prioritizing battery life and raw performance, the OnePlus Open emerges as the clear winner. Its Snapdragon 8 Gen 2 chipset and impressive 11:59h active use battery score significantly outperform what we anticipate from the Z105, given Samsung’s recent chipset choices. However, Samsung’s software ecosystem remains a strong draw for loyal users.
| Network |
|---|
| 2G bands | GSM 900 / 1800 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | UMTS 2100 | HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G bands | - | 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 | - | 1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 30, 38, 40, 41, 66, 71, 75, 77, 78 SA/NSA |
| Speed | Yes, 384 kbps | HSPA, LTE, 5G |
| Technology | GSM / UMTS | GSM / HSPA / LTE / 5G |
| Launch |
|---|
| Announced | 2004, Q1 | 2023, October 19 |
| Status | Discontinued | Available. Released 2023, October 26 |
| Body |
|---|
| Build | - | Glass front (Ceramic Guard) (folded), plastic front (unfolded), glass back or eco leather back, aluminum frame |
| Dimensions | 95 x 50 x 26 mm (3.74 x 1.97 x 1.02 in) | Unfolded: 153.4 x 143.1 x 5.8 mmFolded: 153.4 x 73.3 x 11.7 mm |
| SIM | Mini-SIM | Nano-SIM + Nano-SIM + eSIM (max 2 at a time) |
| Weight | 132 g (4.66 oz) | 239 g or 245 g (8.43 oz) |
| Display |
|---|
| Resolution | 176 x 192 pixels, 7 lines | 2268 x 2440 pixels (~426 ppi density) |
| Size | - | 7.82 inches, 196.7 cm2 (~89.6% screen-to-body ratio) |
| Type | TFT, 256K colors | Foldable LTPO3 Flexi-fluid AMOLED, 1B colors, Dolby Vision, 120Hz, 2800 nits (peak) |
| | Second external TFT display (96 x 64 pixels), 65K colors
Four way navigation keys | - |
| Platform |
|---|
| CPU | - | Octa-core (1x3.2 GHz Cortex-X3 & 2x2.8 GHz Cortex-A715 & 2x2.8 GHz Cortex-A710 & 3x2.0 GHz Cortex-A510) |
| Chipset | - | Qualcomm SM8550-AB Snapdragon 8 Gen 2 (4 nm) |
| GPU | - | Adreno 740 |
| OS | - | Android 13, upgradable to Android 15, OxygenOS 15 |
| Memory |
|---|
| Call records | 10 dialed, 10 received, 10 missed calls | - |
| Card slot | No | No |
| Internal | - | 512GB 16GB RAM, 1TB 16GB RAM |
| Phonebook | 1000 entries, contact groups, Photo call | - |
| | 3 MB for images
3 x 35 sec voice memo | - |
| Main Camera |
|---|
| Features | - | Hasselblad Color Calibration, LED flash, HDR, panorama |
| Single | VGA, 180 deg. rotating lens | - |
| 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 | No | 4K@30/60fps, 1080p@30/60/120/240/480fps gyro-EIS, HDR10+, Dolby Vision |
| Selfie camera |
|---|
| Features | - | HDR |
| Single | - | 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 | - | 4K@30fps, 1080p@30fps, gyro-EIS |
| | No | - |
| Sound |
|---|
| 3.5mm jack | No | - |
| 35mm jack | No | No |
| Alert types | Vibration; Downloadable polyphonic ringtones | - |
| Loudspeaker | No | Yes, with stereo speakers (Dolby Atmos enhanced) |
| Comms |
|---|
| Bluetooth | No | 5.3, A2DP, LE, aptX HD |
| Infrared port | - | Yes |
| NFC | - | Yes |
| Positioning | No | GPS (L1+L5), GLONASS, BDS, GALILEO (E1+E5a), QZSS |
| Radio | No | No |
| USB | Proprietary | USB Type-C 3.1, OTG |
| WLAN | No | Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band |
| Features |
|---|
| Browser | WAP 2.0/xHTML | - |
| Games | 3 - Ultimate Golf Challenge, Fun2Link and Alpha Wing | - |
| Java | Yes, MIDP 2.0 | - |
| Messaging | SMS, EMS, MMS, EMail | - |
| Sensors | - | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass |
| | SyncML
Video telephony / video streaming
Predictive text input
Organizer
Nokia Smart Messaging | - |
| Battery |
|---|
| Charging | - | 67W wired, PD, 100% in 42 min
Reverse wired |
| Stand-by | Up to 314 h | - |
| Talk time | Up to 4 h 10 min | - |
| Type | Removable Li-Ion 1000 mAh battery | Li-Po 4805 mAh |
| Misc |
|---|
| Colors | Metallic Silver | Emerald Dusk, Voyager Black, Apex Edition |
| Models | - | CPH2551 |
| Price | - | $ 1,059.99 / € 926.54 |
| SAR | - | 0.98 W/kg (head) 0.76 W/kg (body) |
| SAR EU | 0.74 W/kg (head) | - |
Samsung Z105
- Potential for superior software integration within the Samsung ecosystem.
- Likely high-resolution display.
- Strong brand recognition and resale value.
- Unknown chipset and performance capabilities.
- Potential for Exynos variant with lower efficiency.
- Battery life likely to be less than the OnePlus Open.
OnePlus Open
- Exceptional battery life (11:59h active use).
- Powerful Snapdragon 8 Gen 2 chipset.
- Fast 67W wired charging.
- OnePlus’s software update track record is less consistent than Samsung’s.
- May lack the same level of ecosystem integration as Samsung.
- Foldable durability is a concern for all brands.
Display Comparison
The OnePlus Open boasts a measured peak brightness of 1238 nits, ensuring excellent visibility even in direct sunlight. While the Z105’s display specifications are unknown, Samsung typically employs LTPO panels for adaptive refresh rates, potentially offering power savings. The key differentiator will be Samsung’s color calibration and potentially a higher resolution, but the OnePlus Open’s brightness is a significant advantage. Bezels will also be a critical factor, as minimizing them enhances the immersive experience.
Camera Comparison
Both devices feature capable camera systems, but details on the Z105 are lacking. The OnePlus Open offers both photo and video capabilities, suggesting a versatile setup. Sensor size and optical image stabilization (OIS) will be crucial differentiators. We anticipate the OnePlus Open to prioritize natural image processing, while Samsung often leans towards more saturated colors. The absence of specific camera specs for the Z105 makes a direct comparison difficult, but the OnePlus Open’s focus on both photo and video suggests a well-rounded offering.
Performance
The OnePlus Open is powered by the Qualcomm SM8550-AB Snapdragon 8 Gen 2 (4 nm) chipset, featuring an octa-core CPU configuration with a prime Cortex-X3 core clocked at 3.2 GHz. This architecture delivers exceptional performance and efficiency. The Z105’s performance is harder to predict; Samsung has historically used both Snapdragon and Exynos chips in their flagships. Given the 4nm process node of the Snapdragon 8 Gen 2, the OnePlus Open is likely to exhibit superior thermal management and sustained performance during demanding tasks like gaming and video editing. The Open’s LPDDR5x RAM further contributes to faster data access and smoother multitasking.
Battery Life
The OnePlus Open shines in battery performance, achieving an impressive 11:59h active use score and a 96h endurance rating. This is a significant advantage over many foldables. The 67W wired charging with PD support allows for a full charge in just 42 minutes. The Z105’s battery capacity and charging speed remain unknown, but Samsung typically offers competitive charging solutions. The OnePlus Open’s reverse wired charging capability adds further convenience, allowing it to charge other devices wirelessly.
Buying Guide
Buy the Samsung Z105 if you are deeply embedded in the Samsung ecosystem and prioritize seamless integration with other Samsung devices, and value brand recognition. Buy the OnePlus Open if you demand exceptional battery life, top-tier performance from the Snapdragon 8 Gen 2, and a more aggressive price point for a premium foldable experience.
Frequently Asked Questions
❓ Does the OnePlus Open’s Snapdragon 8 Gen 2 chipset experience throttling during extended gaming sessions?
The Snapdragon 8 Gen 2’s 4nm process and the OnePlus Open’s cooling system are designed to mitigate throttling. While some heat is inevitable during prolonged gaming, the Open is expected to maintain high frame rates for longer periods compared to devices with less efficient chipsets.
❓ How does the OnePlus Open’s hinge durability compare to other foldable phones?
OnePlus claims to have rigorously tested the Open’s hinge for durability, exceeding industry standards. However, foldable phone hinges are inherently more complex than traditional smartphone hinges, and long-term reliability remains a key concern for all foldable devices. User reviews will be crucial in assessing real-world hinge performance.
❓ What software update commitment does OnePlus offer for the Open?
OnePlus typically provides 3 major Android OS updates and 4 years of security patches for its flagship devices. While this is a solid commitment, it’s slightly less extensive than Samsung’s 4+5 year update policy, which may be a factor for users prioritizing long-term software support.
