The OnePlus Ace 2V and vivo Y78 (China) both target the competitive mid-range smartphone market, but approach it with different philosophies. The Ace 2V aims for near-flagship performance with the Dimensity 9000, while the Y78 prioritizes a balance of features and affordability with the Dimensity 7020. This comparison dissects their key differences to help you choose the right device.
🏆 Quick Verdict
For most users, the OnePlus Ace 2V is the superior choice. Its significantly more powerful Dimensity 9000 chipset and blazing-fast 80W charging offer a noticeably smoother and more convenient experience. However, the vivo Y78 remains a viable option for budget-conscious buyers who don't prioritize raw performance.
| Network |
|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 850 / 900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 2100 |
| 4G bands | 1, 3, 5, 8, 28, 34, 38, 39, 40, 41 | 1, 3, 4, 5, 8, 28, 34, 38, 39, 40, 41 |
| 5G bands | 1, 5, 8, 28, 41, 77, 78 SA/NSA | 1, 3, 8, 28, 40, 41, 77, 78 SA/NSA |
| Speed | HSPA, LTE, 5G | HSPA, LTE, 5G |
| Technology | GSM / CDMA / HSPA / CDMA2000 / LTE / 5G | GSM / CDMA / HSPA / LTE / 5G |
| | - | CDMA 800 |
| Launch |
|---|
| Announced | 2023, May 10 | 2023, March 07 |
| Status | Available. Released 2023, May 13 | Available. Released 2023, March 15 |
| Body |
|---|
| Build | Glass front, plastic frame, plastic back | Glass front (Asahi Glass), aluminum frame, glass back (Gorilla Glass 5) |
| Dimensions | 164.1 x 76.2 x 8 mm (6.46 x 3.00 x 0.31 in) | 162.6 x 75.1 x 8.2 mm (6.40 x 2.96 x 0.32 in) |
| SIM | Nano-SIM + Nano-SIM | Nano-SIM + Nano-SIM |
| Weight | 190 g (6.70 oz) | 191.5 g (6.77 oz) |
| Display |
|---|
| Protection | - | Asahi Glass |
| Resolution | 1080 x 2388 pixels (~395 ppi density) | 1240 x 2772 pixels, 20:9 ratio (~451 ppi density) |
| Size | 6.64 inches, 106.8 cm2 (~85.4% screen-to-body ratio) | 6.74 inches, 109.2 cm2 (~89.5% screen-to-body ratio) |
| Type | IPS LCD, 120Hz, HDR10 | AMOLED, 1B colors, 120Hz, HDR10+, 500 nits (typ), 1100 nits (HBM), 1450 nits (peak) |
| Platform |
|---|
| CPU | Octa-core (2x2.2 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55) | Octa-core (1x3.05 GHz Cortex-X2 & 3x2.85 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510) |
| Chipset | Mediatek Dimensity 7020 (6 nm) | Mediatek Dimensity 9000 (4 nm) |
| GPU | IMG BXM-8-256 | Mali-G710 MC10 |
| OS | Android 13, OriginOS 3 | Android 13, ColorOS 13 |
| Memory |
|---|
| Card slot | No | No |
| Internal | 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM | 256GB 12GB RAM, 256GB 16GB RAM, 512GB 16GB RAM, 1TB 16GB RAM |
| | - | UFS 3.1 |
| Main Camera |
|---|
| Dual | 50 MP, f/1.8, (wide), PDAF
Auxiliary lens | - |
| Features | LED flash, HDR, panorama | Color spectrum sensor, LED flash, HDR, panorama |
| Single | - | 16 MP, f/2.4, 26mm (wide), 1/3.09", 1.0µm |
| Triple | - | 64 MP, f/1.7, 25mm (wide), PDAF
8 MP, f/2.2, 16mm, 112˚ (ultrawide), 1/4.0", 1.12µm
2 MP (macro) |
| Video | 1080p@30fps | 4K@30/60fps, 1080p@30/60/120fps, gyro-EIS |
| Selfie camera |
|---|
| Features | - | HDR |
| Single | 8 MP, f/2.0, (wide) | 16 MP, f/2.4, 26mm (wide), 1/3.09", 1.0µm |
| Video | 1080p@30fps | 1080p@30fps |
| Sound |
|---|
| 3.5mm jack | - | No |
| 35mm jack | Yes | No |
| Loudspeaker | Yes | Yes, with stereo speakers |
| | - | 24-bit/192kHz audio |
| Comms |
|---|
| Bluetooth | 5.3, A2DP, LE, aptX HD | 5.3, A2DP, LE, aptX HD |
| Infrared port | - | Yes |
| NFC | No | Yes |
| Positioning | GPS (L1), GLONASS (G1), BDS (B1I), GALILEO (E1), QZSS (L1) | GPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5) |
| Radio | No | No |
| USB | USB Type-C 2.0, OTG | USB Type-C 2.0 |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band |
| Features |
|---|
| Sensors | Fingerprint (side-mounted), accelerometer, proximity, compass | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass |
| Battery |
|---|
| Charging | 44W wired | 80W wired, 100% in 32 min |
| Type | 5000 mAh | Li-Po 5000 mAh |
| Misc |
|---|
| Colors | Black, Blue, Gold | Black, Blue/Green |
| Models | V2278A | PHP110 |
| Price | About 180 EUR | About 310 EUR |
vivo Y78 (China)
- Faster 44W charging is convenient for topping up quickly.
- Likely more affordable price point.
- Decent performance for everyday tasks.
- Dimensity 7020 chipset is significantly less powerful than the Dimensity 9000.
- Slower charging compared to the Ace 2V.
- Likely a less advanced camera system.
OnePlus Ace 2V
- Blazing-fast 80W charging for minimal downtime.
- Powerful Dimensity 9000 chipset for smooth performance.
- Likely a superior camera system with OIS.
- Higher price tag.
- Potentially less battery life due to higher power consumption.
- May run slightly warmer under heavy load.
Display Comparison
Neither device's display specifications are provided, so a direct comparison is limited. However, given the Ace 2V's positioning, it likely features a higher quality panel – potentially with a higher refresh rate and peak brightness. The Y78, being a more budget-focused device, likely utilizes a standard AMOLED panel. Bezels are expected to be comparable, but the Ace 2V may benefit from slightly thinner bezels due to its higher price point. Color accuracy will depend on software calibration, but both brands generally offer decent color profiles.
Camera Comparison
Without specific camera sensor details, analysis is limited. However, the Ace 2V, positioned as a more premium device, likely features a larger main sensor with optical image stabilization (OIS), resulting in better low-light performance and sharper images. The Y78 likely employs a more basic camera setup. Lens apertures will also play a role; wider apertures (lower f-number) allow more light to reach the sensor, improving low-light image quality. Image processing algorithms will differ between the two devices, influencing color reproduction and dynamic range. We can expect the Ace 2V to offer a more versatile and capable camera experience.
Performance
The performance gap between the Dimensity 9000 (4nm) in the OnePlus Ace 2V and the Dimensity 7020 (6nm) in the vivo Y78 is substantial. The Dimensity 9000 boasts a Cortex-X2 prime core clocked at 3.05 GHz, alongside three Cortex-A710 performance cores, offering a significant uplift in CPU performance compared to the Y78’s Cortex-A78 cores. The 4nm process node of the Dimensity 9000 also contributes to better thermal efficiency, reducing the likelihood of throttling during sustained workloads. The Ace 2V will excel in gaming and demanding applications, while the Y78 will handle everyday tasks adequately but may struggle with graphically intensive games. The Ace 2V likely utilizes faster LPDDR5x RAM, further enhancing performance.
Battery Life
The OnePlus Ace 2V’s 80W wired charging is a game-changer, promising a full charge in just 32 minutes. This is a significant advantage over the vivo Y78’s 44W charging, which will take considerably longer. While battery capacity isn't specified, the faster charging of the Ace 2V effectively mitigates any potential disadvantage from a slightly smaller battery. The 4nm process of the Dimensity 9000 also contributes to better power efficiency, potentially extending battery life despite the higher performance.
Buying Guide
Buy the vivo Y78 (China) if you need a reliable daily driver with decent performance for everyday tasks and prioritize value for money. It's ideal for users who aren't heavy gamers or power users. Buy the OnePlus Ace 2V if you prefer a phone that can handle demanding games, multitasking, and benefits from significantly faster charging speeds, even if it means spending a bit more.
Frequently Asked Questions
❓ Is the Dimensity 7020 in the vivo Y78 sufficient for playing demanding games like Genshin Impact?
While the Dimensity 7020 can run Genshin Impact, you'll likely need to lower the graphics settings to achieve a smooth frame rate. The Dimensity 9000 in the Ace 2V offers a significantly better gaming experience, allowing for higher settings and more consistent performance.
❓ How much faster is the 80W charging on the OnePlus Ace 2V compared to the 44W charging on the vivo Y78 in real-world usage?
The 80W charging on the Ace 2V can fully charge the phone in approximately 32 minutes, while the 44W charging on the Y78 will take significantly longer – likely over an hour. This difference is particularly noticeable when you need a quick top-up before leaving the house.
❓ Does the OnePlus Ace 2V get noticeably hotter than the vivo Y78 during extended gaming sessions?
The Dimensity 9000 is a more powerful chip and will generate more heat under load. However, the Ace 2V likely incorporates better thermal management solutions to mitigate this, such as a larger vapor chamber. While it may get warmer, it shouldn't reach uncomfortable temperatures, and the 4nm process helps with efficiency.
