OnePlus Buds Z vs OPPO Enco W51 | The Ultimate Comparison

OnePlus Buds Z vs OPPO Enco W51

Making a choice between OnePlus Buds Z and OPPO Enco W51 can be a very hard decision.

OnePlus Buds Z is feature-rich while OPPO Enco W51 is more focused on sound quality, noise cancellation, and providing the ultimate call experience.

This OnePlus Buds Z vs OPPO Enco W51 ultimate comparison article will go deep into each earphone and include all the things you need to choose the right one for you.

So, let’s dive in.

Quick Look


OPPO Enco W51

OnePlus Buds Z

Battery Life

24 Hours

20 Hours

Noise cancellation






Water Resistance




Design & Build Quality

Both brands didn’t compromise to make these two earbuds good-looking and durable. OnePlus Buds Z comes in White and Grey. OPPO Enco W51 comes in Floral White and Starry Blue.

The Starry Blue variant of Enco W51 just looks so good. The Floral White variant makes it look totally made of plastic.

But when it comes to Starry Blue you get to see a golden metallic touch with premium dark blue colour.

On the other hand, OnePlus Buds doesn’t look very fancy. It’s actually looking very simple yet it has an elegant and premium vibe.

By using it yourself you can tell that brands designed them to provide ultimate comfort. The in-ear form of Enco W51 makes sure to make a better grip and provide comfort.

While OnePlus Buds Z does a better job thanks to the earbud form. Most of the time this structure is more hassle-free.

But a person like me who spends at least 4-5 hours a day wearing earphones can say without any doubt that both are super comfortable.

To conclude this section, both had great looks and build quality. But the Starry Blue makes Enco W51 even better.

Bass & Sound Quality

I can say one thing for sure that OPPO Enco W51 is superior in terms of sound quality but if you are a bass lover then I’m sorry to say that it might not satisfy you.

OnePlus Buds Z and Enco W31 have 10mm and 7mm bass drivers respectively. You can already say that OnePlus Buds Z will provide better bass.

Often the actual result is different than the information but this time this is very accurate.

Enco W51 is louder than OnePlus Buds Z as the sound pressure level or sensitivity is 6dB/mW higher.

Note that this has almost nothing to do with the quality of the sound. OPPO Enco W51 is just better in terms of sound quality and clarity.

Also, Enco W51 sounds much better when the ANC (Active Noise Cancellation) is on.

Now OnePlus Buds Z is by no means bad. It provides a pretty decent balance of sound and bass.

OnePlus Buds Z is perfect for you if you like bass but not overpowering type like most of the BoAt earbuds.

Overall, OnePlus Buds Z is budget-friendly TWS earbuds with above-average sound quality and good bass.

While OPPO Enco W51 sounds much better than OnePlus Buds Z but you have to compromise with bass. Sure there are equalizers available but natural bass is always better.

Battery Life & Charging Time

This section has some twists because OPPO Enco W51 has ANC which often manipulates battery life a lot.

OnePlus Buds Z and OPPO Enco W51 buds last up to 5 hours and 3.5 hours (ANC: On) respectively. With charging cases both last up to 20 hours and 24 hours respectively.

Now, when the ANC is off Enco W51 buds lasts around 3 hours and with charging case 20 hours.

But when it has ANC then keeping it turned off normally doesn’t make sense unless the environment is very quiet or you want to save battery.

Till now everything was fine but the problem with Enco W51 is it drains the battery much faster. Listening to music at a higher volume makes it last only around 2-2.5 hours.

Enco W51 earbuds have only 25 mAh battery power compared to the 40 mAh battery of OnePlus Buds Z. This is the reason Enco W51 dies faster.

Then comes fast charging, OnePlus Buds Z fast charging offers 3 hours playback in 10 minutes, and OPPO Enco W51 doesn’t offer fast charging.

There’s one noticeable thing about Enco W51 here is it offers wireless charging. Which takes around 2.5 hours to fully charge. Surely a long time.

The wired charging time of Enco W51 and OnePlus Buds Z is 80 minutes and 55 minutes respectively.

Controls & Functions

OnePlus Buds Z and OPPO Enco W51 have a multipurpose button in each earbud. You can play/pause, activate voice assistant, take/end calls, change tracks, turning on/off ANC (only for Enco W51) but you can’t control the volume.

All the necessary details about the controls are given in the manual in details. So, I’m going to waste your time explaining those.

For Enco W51, it will take a little time to get used to the controls. Because having ANC makes the controls a bit different.

Charging Case

OnePlus Buds Z has a charging case like Airpods with an indicator on the front side and a charging port at the back.

OPPO Enco W51 has a square-shaped charging case. The indicator is inside the case. You can only see by opening the lid.

Under the indicator, there’s a button, which needs to press for 2 seconds and the indicator will turn white. Means it’s ready to connect (mentioned in the manual as well).


Bluetooth Version: Both have Bluetooth 5.0 with a 10 m range.

Water-Resistance: OnePlus Buds Z and OPPO Enco W51 are IP55 & IP54 rated respectively. Both are dust resistant as well. OnePlus is just one step ahead in water resistance.

Call/Mic Quality: OnePlus Buds Z has 2 microphones which surely makes the call experience nice. But Enco W51 has 4 mics (2 in each bud). Also, the mics are capable of filtering noises. So, yeah Enco W51 gave me a better call experience.

Noise Cancellation: As mentioned earlier, OPPO Enco W51 has ANC and OnePlus Buds Z relies on PNC (Passive Noise Cancellation).

Accessories: USB-C cable for charging (Note: No wireless charging kit for Enco W51), charging case, ear caps of different sizes, and all the required papers like the manual, warranty card, etc are included.

Users’ Report, Pros & Cons

OnePlus Buds Z


OnePlus Buds Z


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Users’ Feedback

Customers are totally satisfied with the sound quality, comfort, design. The mic quality is good enough for calling.

Bass lovers are a bit disappointed because of the bass quality despite having 10 mm drivers but it’s good enough.

Few suggested that the battery life could be better but in my opinion ist’s much better than many competitors in the market.

Also, connecting to another device except OnePlus gives many users trouble or issue.


  • Very comfortable
  • Good battery backup
  • IP55 water-resistance
  • Nice sound & good bass quality
  • Bass could be deeper
  • Connecting to non-OnePlus devices can be frutrasting

OPPO Enco W51


OPPO Enco W51


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Users’ Feedback

According to users, it’s an ideal example of TWS earbuds in reasonable pricing. Highly recommended if you need earbuds for great sound, nice call experiences and specifically looking for ANC earbuds.

The battery is still manageable but the bass might disappoint you if that is one of your top priorities as most people.


  • Comfortable
  • Nice sound quality
  • 6 Microphones
  • Active noise cancellation
  • IP54 dust, sweat & water resisatnce
  • Bass is low
  • Battery drains fast

6 Reasons To Choose OPPO Enco W51

Better & louder sound quality: Normally Enco W51 has better sound quality. Keeping the ANC turned on makes it even better. Because 6dB/mW higher frequency the sound is louder.

4 more microphones: More microphones often result better call experience. Also, it is capable of filtering out background noises.

In-ear form: Directly get inserted in ear canals. The ideal shape for blocking background noises and heavy motion.

Active noise cancellation: Having allowed you to enjoy music even at a lower volume and get rid of most of the home and environmental noises.

Wireless charging: Though it takes a long time to fully charge the earbuds still you don’t really get to see wireless charging too much in this budget.

Longer battery life: Because it drains faster it almost makes it equal to OnePlus Buds Z but still you get 5 hours more backup.

6 Reasons To Choose OnePlus Buds Z

Deeper bass: With a 3mm bigger bass driver than Enco W51 it provides deeper and thumping bass.

Earbuds last longer: The earbuds themselves last 1 hour longer than Enco W51.

Stronger battery: With the help of a 40mAh battery it stores more power and lasts longer.

Fast charging: When in a hurry you can get up to 3 hours of playback time in just 10 minutes.

Higher IP rating: Enco W51 is IP54 rated while Buds Z is IP55 rated. Same in terms of dust resistance but better at water resistance.

Shorter charging time: OnePlus Buds Z takes 25-30 minutes less time to get fully charged.

Final Words

As you can see, the choice can be very tough. OnePlus Buds Z is a nice choice in the budget where everything is balanced.

While OPPO Enco W51 is rich in sound quality and noise-canceling but you have to make some compromises with bass and battery life.

Check the reasons to choose each earbud and take a look at your priorities. Only then you can make a wise choice.

Hope this article will help to make an ideal choice. If you are having difficulties choosing based on some of your own personal reason then please let me know in the comment section.

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