Is the OnePlus Buds Z worth the upgrade from the Realme Buds Air8 Pro?
Verdict
Downgrade
The OnePlus Buds Z actually scores 21.0 points below the Realme Buds Air8 Pro, so on aggregate review consensus this is a step backwards. It loses ground on calls (8.5 to 6.0) and sound (8.4 to 6.0). On paper: case weight 53 g to 40 g. Worth checking: battery life goes 12 h to 5 h and active noise cancelling goes Yes to No. One caution: this steps down a line tier (Buds Air8 Pro to Buds Z), and base models usually trade away tier features - check the codec and ANC rows above before trusting the score gap alone. It is at least $24 cheaper, so the lower score comes with a saving. Only worth it if a specific feature above matters more to you than overall quality does.
What actually changes
Sub-scores both products have, on the same 0-10 scale. Bars extend right for a gain, left for a loss.
- Sound8.46.0
- Battery7.26.5
- Calls8.56.0
- Value9.27.5
Spec differences
Only where the two genuinely differ - everything they share is omitted.
| Spec | Buds Air8 Pro | Buds Z | Direction |
|---|---|---|---|
| Battery life | 12 h | 5 h | |
| Active noise cancelling | Yes | No | |
| Codecs | SBC, AAC, LHDC | SBC, AAC | |
| Bluetooth | 6.1 | 5.0 | |
| Multipoint pairing | Yes | No | |
| Battery incl. case | 50 h | 20 h | |
| Driver size | 11 mm | 10 mm | |
| Drivers per side | 2 | 1 | |
| Microphones | 6 | 2 | |
| Case weight | 53 g | 40 g | |
| Companion app | Yes | No | |
| Custom EQ | Yes | No | |
| Wear detection | Yes | No | |
| ANC type | adaptive | none | |
| Quick charge | 10 min → 11 h | 10 min → 3 h | |
| Driver | 2-driver hybrid | 10 mm dynamic |
About this verdict
Direction matters here: this page answers "Buds Air8 Pro to Buds Z". The other direction is a separate question with a different answer. Scores blend published review verdicts across true wireless and shift as new reviews land, so a marginal call today may not be one next quarter.

