Oppo Reno 4 Pro and Oppo Watch, analysis and opinion



We test one of Oppo's latest premium mobiles alongside the brand's first smartwatch. The Oppo Reno 4 Pro 5G and Oppo Watch arrive promising to revolutionize the market with its value for money.

The Oppo Reno 4 Pro 5G is a high-end contender, staying in the pre-premium mobile group. The manufacturer has long shown that it can make products of very good quality, with highly worked designs and the best technology.

Together with this new smartphone, the company's first smartwatch has fallen into our hands. The Oppo Watch is clear about its goal, to be the low-cost alternative to the most famous smartwatch, the Apple Watch, similar design but with a much cheaper price.

In this analysis, we will see everything these two devices offer. Designed for those looking for quality and design, attractive devices and with the latest technology on the market, but without making a great effort to pay for them Is it worth buying the Oppo Reno 4 Pro 5G and Oppo Watch?



Comfort and style in equal parts

Oppo continues to dazzle with his designs. This brand does not usually disappoint with the styles and colours of its mobile phones, although in general the shape of its models is not groundbreaking and stays within current trends in this industry. They are comfortable phones, with eye-catching colours and elegant lines.

The Oppo Reno 4 Pro with 5G stays within these parameters, it is not an atypical mobile, but it is eye-catching. The blue and white hues of its housing do not go unnoticed. As the light strikes in them we can see white tones even intense purple, all dotted with "brilli brilli". It is very subtle, perfect to give shine and more light to the housing, but if you look closely you can see that glitter effect.

The housing is made of plastic with a metallic edge and can be protected with the case that comes in the box. It is also a transparent plastic case, but rigid enough to entrust you with the safety of the mobile, especially the screen and the cameras that are most exposed. Without the case, the phone is somewhat slippery, even in hand.

The phone is slim, only 7.6 mm thick and is also not very heavy with its 172 grams. As we said the lines are elegant especially on the front where the screen ends in a curve, with hardly any edges, performing a waterfall effect that gives it more presence. In one corner is hidden the front camera in a hole, so the feeling is that the Oppo Reno 4 Pro is all screen.

On the sides are the opposite volume and off buttons, the first on the left side and the second on the right side. Meanwhile, at the bottom edge, we have the SIM card slot (there is only room for one) and the USB Type-C port. There is no minijack for the headphones. We'll take a closer look at this in the connectivity section.

This first section dedicated to design always addresses very subjective issues that everyone should value with the photographs and videos we offer you. Not everyone has to like this light blue colour. In our case, it seems to us an elegant and cool mobile, even the metal platform on which the three large main cameras rest congenial well with the rest of the design.



Cascading screen, FHD+ and 90 Hz, we don't need any more

The front is almost all screen, the good details we see on the back are also on the other side: very thin edges with curved ends of the screen to give an infinite effect; a very slight curvature; and a small hole in the upper left corner for the camera.

The Oppo Reno 4 Pro's display is a 6.5-inch diagonal AMOLED panel and FHD+ resolution (1,080 x 2,400 pixels and 402 dpi density). Good size, neither very large nor very small and great quality in the details and colours. Calibration, while intense, is pleasant and demonstrates the wide range of colours it is capable of representing. The screen ratio is 20:9, but here the good news does not end, we have a 90 Hz refresh rate with 180 Hz touch detection frequency.

Oppo knows that to present a mobile that competes between the highest range and the mid-range you need to cover all the sticks and it doesn't just matter that the screen has good resolution to watch videos, we also want fluidity to play video games. That's what gets the refresh rate and touch detection, that the response time in any game is minimal.

For all other functions, the user perceives a good fluidity in the operating system. The display settings, however, offer to switch to a lower refresh rate to save on battery or to an automatic option in which the phone chooses at all times the rate that best suits us.

This display also supports HDR10 to watch all videos with a wider range of colours and has a maximum brightness of 1,100 nits. With that brightness, we have clarity in broad daylight. The automatic brightness, on the other hand, adapts well to each situation without us having needed to correct it at any time.

Since we're talking about the Reno4 Pro screen and its fingerprint reader is hidden behind it, it's the right time to tell you how this phone's biometric systems respond. The print reader under the screen is comfortable and quite fast considering that it is not a capacitive reader like those that have other models in the rear case, which are usually more agile.

Light marks on the screen tell us where to place the footprint when we lift the mobile with our hand. Then a beam of light warns us that the drawing of our finger is being studied to unlock the terminal. This process takes just a second or less and the reader's posture is suitable for one-handed handling.

A little more complicated is facial recognition, which works with an algorithm and the front camera. It has given us more problems because of light issues and the masks we wear now, which is very normal. Without the mask and with a well-lit face this system is fast and easily unlocks the phone, even before we put our finger on the screen. Still, it is not yet as secure a system as the fingerprint reader and the manufacturer itself warns you in the settings.



Snapdragon 765G, performance for any task

Mobiles like this Oppo Reno 4 Pro are touted in the market as a future investment by being compatible with 5G networks that still have a long way to go to be a true wireless connection option.

As the deployment of these high-speed networks is complete, mobile manufacturers are preparing to work with them and bet on large processors that allow for that compatibility. Although it is not the most powerful model that we can find now on the market, the Oppo Reno 4 Pro 5G equips the Snapdragon 765G chip, a processor that we already see in cheaper models, perhaps for its almost 800 euros price would have been better a more powerful chip.

Version G implies an improvement in CPU and GPU performance that exceeds 15%. In addition to offering 5G, this component aims to enhance mid-range gaming mobiles, so we can expect a good result in the most demanding tasks.

To these expectations is added the fact that we have 12 GB of RAM and 256 GB of internal storage, a statement of intent. Since we can't expand the memory with a MicroSD card, at least we have memory for a while.

Below we leave you the performance tests that we have subjected this mobile to and compare them with other similar terminals, those that have also integrated this processor, albeit with less storage space.

The Snapdragon 765G goes great, we have no complaints as far as performance is concerned. Whatever task we ask for, photo editing, checking social networks, mail or hanging out with demanding video games, the result is very good.

We can also tell you that the phone has a good cooling system. Something heats up when we make use of its powerful fast-charging system, but except that occasion, we can spend hours working or relaxing with the phone that we won't notice cooling problems.



Android 10 with ColorOS 7, a very complete operating system

Before we settle the issue of performance, we need to stop and talk about the operating system running this phone. It's no use having the best processor of the moment if the software and, mainly, the customization layer hurt the fluidity and experience of the phone.

Above Android 10, Oppo has developed the ColorOS 7 layer. Oppo mobile software often creates controversy, not everyone sees with good eyes that the customization layer is so heavy and integrates a large number of animations that take fluidity away from the phone.

In the case of ColorOS 7, Oppo has improved performance in the face of criticism, although we still encounter very wide bloatware. Pre-installed apps include Google apps, as well as proprietary apps such as a gallery, mail manager, or compass.

Among them is Sloop, an app to edit the videos that we record with your cameras. In this model, video recording has a lot of weight with cameras and algorithms to improve the final result, so this application is of great help to add music, crop and mount with ease. There is also Oppo relax that teaches us to breathe to relax and perform moments of meditation. Apps that, for the most part, we can uninstall if we don't see them interesting.

Apart from the excess animations, bloatware and other details that make ColoOS 7 a somewhat dense layer of customization, we have some very interesting points. On this mobile, you can create a double desktop. This function, together with Dual SIM capability, allows you to have two mobiles in one, a desk and card for working hours and another for disconnection moments.

In general, it is a very complete operating system to take full advantage of and compared to previous versions, you can see improvement in terms of fluidity. Oppo has taken note of complaints from its users and strives to provide the best experience.



Three cameras made the most of

We now leap to one of the most relevant components of this mobile: its photographic ability. Oppo does not give up including multiple cameras on your phone, which is currently customary. However, this manufacturer focuses on the most outstanding sensors and lenses, only three cameras on the back and one on the front.

As the main camera, we have a Sony IMX589 sensor of 48 megapixels, with an f/1.7 aperture and that integrates optical stabilization, OIS. Second is the 12 Mpx super wide-angle camera, a Sony IMX708 sensor with f/2.2 aperture and 120-degree field amplitude. Thirdly we have a telephoto of 12 megapixels and f/2.4 aperture. This latest camera integrates a 2x optical zoom and a 20x digital zoom.

We get rid of macro or other cameras that most of the time don't contribute any more to the quality of the photos. And yet, this mobile gets great quality in portrait and macro photographs so we won't miss any other sensors.

The result shows that Oppo has chosen a piece of good equipment. Thanks to the 48 Mpx sensor the photos do not lose much detail when expanding them and the colours are natural, very realistic. Saturation comes when we use colour filters, but if we stop embellishments we see sharpness and uniformity in the colour range and definition.

Oppo boasts in the presentation of the mobile to have an HDR capable of compensating any image between clears and shadows. it can usually lighten the darker areas and reduce the intense light of the burnt parts such as the sky. The cloudy and grey sky gives a slightly forced bluish touch, but this tool helps to lighten a little those images that have left us somewhat dark.

Something similar happens with night mode. The manufacturer boasts its ultra-nocturnal algorithm with which to improve both photographs and night videos. The result images in which the main objects of the scene are clarified without losing that night effect in the sky, other mobiles clarify it, so it seems that the photo has been taken at dusk.

It can blur complex details quite right if we help you a little, with good light and away from the background. However, it fails as in these photos, when trimming the glasses from the background. We can also retouch skin and eyes with Beauty Mode and other photo details such as HDR so the sky doesn't get burned.



Comfortable autonomy and ultra-fast charging

The battery is not one of the strengths of this terminal, but that doesn't mean it doesn't have a good battery and charging system for decent autonomy. We are looking at mobile with a 4,000 mAh battery that to hold the day and a little longer is fine, of course, it could be better.

The 4,000 mAh that hide inside the Oppo Reno 4 Pro offers us day and a half of autonomy or two days if we extend the battery a lot and do not make very complete use of the terminal, no watching videos on mobile.

This figure is quite common although we already have many models with 5,000 mAh and even 6,000 mAh. The problem is that we are looking at a phone with a 90 Hz refresh rate on the screen, a very interesting quality in certain tasks, but that decreases the battery faster.

As we can see in the following performance tests, it is not the same to use the terminal with 60 as with 90 Hz. Still, the difference is minimal. However, we can make use of the smart mode that regulates both refresh rates as they are or are not necessary to take advantage of this quality and save a little on battery.

However, this is where the good news comes in. Having our phone battery discharged quickly or not from using it much is also not a big problem with the fast charging system that Oppo has installed on this terminal.

The 65W SuperVOOC 2.0 manages to charge half the battery in 10 minutes. If we want to fully charge it from 0 to 100% it is 35 minutes. A luxury that saves us when we have the most rush we have those of us who are lost and do not leave charging the phone at night.



5G, NFC and Bluetooth 5.2: technology for today and tomorrow

When mobiles support 5G networks, manufacturers tattoo this quality on terminal names, they want all consumers to know that their model includes one of the most current technologies and will have more relevance in the coming years. Of course, this is the case with the Oppo Reno 4 Pro 5G.

It's not easy to test the speeds and other connection improvements this new generation of telecommunications promises on any of the smartphones that make them up. Although they are gradually reaching all cities, their deployment is still very introductory. Still, that doesn't mean that this Oppo's compatibility with 5G isn't good news, it's more of future investment, for when this technology is most deployed. Especially since the Oppo Reno 4 Pro supports 5G SA and NSA, that is, the two deployment phases and will be able to take full advantage of these networks.

In addition to 5G networks, on this mobile, we can also make use of Bluetooth 5.2 and WiFi AC connection, in addition to mobile payments thanks to the NFC chip. It also allows to include two SIMcards, although there is no space to a third microSD card with which to increase the storage space. So far comes the normal for a mobile phone of this category, but we have to give up the mini-jack for headphones.

It is true that with the number of wireless headphones currently on the market, brands take advantage to get rid of that element that, in part, forces them to have a higher thickness for the mobile. However, for other users, this loss involves relying on an adapter. The case includes a simple cable headset at the end of which there is a USB-C connector to attach to this mobile, although much quality and comfort do not provide.

On the other hand, it is possible to set aside the headphones and enjoy the audio quality offered by external speakers. The Oppo Reno 4 Pro 5G features two speakers, the main one at the bottom next to the USB-C and the second the call headset on the top front. Both allow the sound to be directed towards the user regardless of the posture in which it is fastened.

Thanks to this combination of speakers the volume is clear and high, you don't need to raise it to the maximum to actively listen to the sound of videos, games or music. By increasing the volume as much as possible the sound distorts, but very slightly.



Oppo Watch

Oppo has been launched to a new market, today we analyze the Reno 4 Pro alongside the brand's first smartwatch, the Oppo Watch which claims to be the cheap alternative to apple watch, for its similarity in design and some qualities.

The Oppo Watch is a square, curved-edged watch with a large screen that occupies almost the entire front with vivid colours. At first glance, it is an imposing watch, quality in the materials and that has really been able to reflect the spirit of what is considered as the most premium smartwatch, the Apple Watch.

However, when it comes to wearing it has not been very comfortable for us. Indeed, the 46 mm model that we have been able to test is too large for the hands that have written this analysis, but it is also heavy with its 40 grams of weight. Perhaps the size of 41 mm would have been more suitable.

These days we've been testing it, we've compared its operation to a Garmin Forerunner 645. For everyday use, the Oppo is more stylish, but it's generally not a nice watch for exercise or sleeping with, even if you're able to monitor sleep with Google Fit. However, distance, heart rate and rhythm measurements, among others, are good, we do not see a very large difference with other watches of this style.

With this watch, we can control our workouts in running, walking, swimming, when it comes to exercise, it is very heavy and also complicates its use that does not have more buttons. The touchscreen is wonderful, but as you run, with your fingers (somewhat sweaty) it's less practical than a wheel or button with which to quickly navigate the operating system.

The operating system, in this case, is Wear OS does not finish convincing us. Google needs to put on its batteries to improve its proposal for wearable devices. While Android loves us, Wear OS is crazy compared to other watch software like Apple, Garmin or Samsung. To use this watch you need to download the Wear OS and Google Fit app on your mobile. It is indeed compatible with a large number of applications that we can install on the watch, but it is a software that is not yet simple enough and that consumes a lot of battery.

Oppo says the battery can last us 21 days, but if we keep it all that time in battery saving mode. If we use the watch with all its active functions, although not at all hours, the watch asks to reload it every day. Sleeping with it, having the screen much of the time or measuring the heart rate 24 hours can drain the battery with ease, it has lasted us between two and three days depending on the level of use.

It also highlights the brand that the watch is charged in a few minutes to continue using it thanks to a fast-charging system, the Watch VOOC Flash Charging, which is 15 minutes turn the battery back to 100%. This is an advantage, in about a quarter of an hour it has been reloaded without problems. Since you have to charge it every day, charging fast allows you to use it at night instead of leaving it connected.



Mobile and watch to show off everywhere

Oppo is proving to have a very good hand in the manufacture of mobile phones and watches. The Oppo Reno4Pro 5G few sticks we found, it is a mobile to enjoy, from design to operation. It's a very good investment for the next few years.

Its design and manufacture have been taken care of to the last detail and its photography, screen and autonomy are of great quality. The battery could indeed have been larger, but with the fast charging offered this aspect is compensated.

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