OnePlus Ace 6 Ultra vs OPPO A78 5G
The Verdict
The OnePlus Ace 6 Ultra and OPPO A78 5G sit in the same category and end up appealing to slightly different buyers. The OPPO A78 5G is the cheaper of the two at $249 versus $490, a difference of about $241. The OnePlus Ace 6 Ultra is the newer release, which usually means a faster chipset and longer software support. OnePlus Ace 6 Ultra stands out for 8600 mah battery provides exceptional endurance, while OPPO A78 5G is praised for 5g connectivity at a budget-friendly price point. Use the side-by-side spec table below to compare cameras, displays, battery life and connectivity in detail and decide which one fits your priorities.
Who Should Buy
Buy the OnePlus Ace 6 Ultra if…
- →8600 mAh battery provides exceptional endurance
- →Dimensity 9500 delivers flagship performance at competitive pricing
- →6.82-inch AMOLED display with 4500 nits peak brightness
Buy the OPPO A78 5G if…
- →5G connectivity at a budget-friendly price point
- →33W SUPERVOOC fast charging is quick for the price segment
- →5000 mAh battery provides solid two-day endurance
Pros & Cons
OnePlus Ace 6 Ultra
Pros
- 8600 mAh battery provides exceptional endurance
- Dimensity 9500 delivers flagship performance at competitive pricing
- 6.82-inch AMOLED display with 4500 nits peak brightness
- Triple 50MP camera system with consistent image quality
- IP69 rating offers robust dust and water resistance
- 100W wired charging enables rapid refueling
Cons
- Dimensity 9500 lags behind Snapdragon 8 Gen 4 in some benchmarks
- 221g weight feels heavy for extended one-handed use
- No microSD card slot for storage expansion
- Availability limited to select Asian markets
- Camera stabilization could be stronger in low light
OPPO A78 5G
Pros
- 5G connectivity at a budget-friendly price point
- 33W SUPERVOOC fast charging is quick for the price segment
- 5000 mAh battery provides solid two-day endurance
- 90Hz refresh rate for smoother scrolling than 60Hz
- IPX4 splash resistance adds basic water protection
Cons
- IPS LCD lacks AMOLED vibrancy and contrast
- Dimensity 700 is basic — struggles with demanding apps
- 2 MP depth sensor is essentially useless
- 8 MP front camera is low resolution for selfies
- ColorOS includes pre-installed bloatware
Full Specifications
| Spec | OnePlus Ace 6 Ultra | OPPO A78 5G |
|---|---|---|
| Camera | ||
| Main camera | 50MP f/1.6 | 50 MP, f/1.8, PDAF |
| Front camera | 32MP f/2.4 | 8 MP, f/2.0 |
| Telephoto | 50MP f/2.0 (3x) | — |
| Ultrawide | 50MP f/2.0 | — |
| Depth | — | 2 MP, f/2.4 |
| Video | — | 1080p@30fps |
| Design | ||
| Colors | Black, White, Gold | — |
| Weight | 221g | — |
| IP rating | IP69 | — |
| Battery | ||
| Capacity | 8600 mAh | 5000 mAh |
| Charging Speed | 100W wired | — |
| Wireless Charging | — | |
| Charging | — | 33W SUPERVOOC |
| Wireless charging | — | No |
| Display | ||
| Size | 6.82 inches | 6.56 inches |
| Type | AMOLED | IPS LCD |
| Brightness | 4500 nits peak | — |
| Resolution | 1440 x 3168 pixels | 2400 x 1080 |
| Refresh rate | 120 Hz | 90Hz |
| Brightness (nits) | — | 680 |
| Performance | ||
| RAM | 12GB / 16GB | — |
| Chipset | MediaTek Dimensity 9500 | — |
| Storage | 256GB / 512GB | — |
| Software | — | Android 13 (ColorOS 13) |
| Body | ||
| Weight | — | 188 g |
| Material | — | Plastic frame and back |
| IP rating | — | IPX4 |
| Dimensions | — | 163.8 x 75.1 x 8.0 mm |
| Memory | ||
| RAM | — | 4 GB / 8 GB |
| Storage options | — | 128 GB |
| Processor | ||
| CPU | — | Octa-core (2x2.2 GHz + 6x2.0 GHz) |
| GPU | — | Mali-G57 MC2 |
| Chipset | — | MediaTek Dimensity 700 |
| Connectivity | ||
| 5G | — | |
| NFC | — | |
| USB | — | USB-C 2.0 |
| Wi-Fi | — | Wi-Fi 5 |
| Bluetooth | — | 5.3 |
Want to compare a third product?
Add another product for a 3-way comparison.
Related Comparisons
Explore more in phones, see all OnePlus products or all OPPO products. View full details for the OnePlus Ace 6 Ultra or the OPPO A78 5G.