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Which is better, Oppo Reno4 5G 256GB or Lava Z40 (2019) 8GB? We compared their features and specs in detail

Created date: 2020-06-04 15:02:37

Oppo Reno4 5G 256GBLava Z40 (2019) 8GB
Oppo Reno4 5G 256GBLava Z40 (2019) 8GB

How did the evaluations between the "Oppo Reno4 5G 256GB" and "Lava Z40 (2019) 8GB" differ when we compared the two? We reviewed each of the most commonly scrutinized features. If you are thinking about which smartphone to get, check out this review immediately!

Oppo Reno4 5G 256GBLava Z40 (2019) 8GB
Oppo Reno4 5G 256GB

Lava Z40 (2019) 8GB

General rating:

80/100

(The 3028th of all smartphones)

40.1/100

(The 3960th of all smartphones)

Portability
64/100
75/100
Weight
57/100
82/100
Size of screen
90/100
58/100
Screen clarity
85/100
42/100
Battery duration
80/100
53/100
Processing capability
94/100
18/100
Memory capacity
93/100
20/100
Storage capacity
91/100
24/100
Rear camera function
97/100
5/100
Front camera function
97/100
15/100

Compare Performance and Usability

Size comparison of "Oppo Reno4 5G 256GB" and "Lava Z40 (2019) 8GB". Which one would you choose?

Your device's size has a huge influence on how easy it is to hold or to operate with one hand. The smaller your device's width, the easier it will be to hold, but you'll also need to take device thickness into account. And when the length and width are both smaller, you'll find that it's much easier for you to operate it one-handed, since your fingers will find it much easier to reach where you want them to. On the other hand, longer lengths and wider widths might lead to devices that are hard to carry in your pocket, bulky even when you keep them in your bag, and all around less portable.

The "Oppo Reno4 5G 256GB" is 74.0mm wide, 159.3mm tall, and 7.8mm thick. The "Lava Z40 (2019) 8GB" is 63.9mm tall, 125.5mm wide, and 11.7mm thick.

The "Lava Z40 (2019) 8GB" is also more compact than the "Oppo Reno4 5G 256GB" in terms of the thickness of the devices. The "Lava Z40 (2019) 8GB" is easier than the "Oppo Reno4 5G 256GB" to hold with one hand, and you are less likely to accidentally drop it. If you're looking for a smartphone that fits nicely in your hand and can be gripped firmly, we recommend buying the "Lava Z40 (2019) 8GB" rather than the "Oppo Reno4 5G 256GB".

Comparing the width and height of the devices, the "Lava Z40 (2019) 8GB" is more compact than the "Oppo Reno4 5G 256GB". The "Lava Z40 (2019) 8GB" is easier to carry around than the "Oppo Reno4 5G 256GB" and easier to use with one hand. For a smartphone that is comfortable and easy to operate with one hand, and can fit neatly in your pocket or bag, we recommend that you buy the "Lava Z40 (2019) 8GB" rather than the "Oppo Reno4 5G 256GB".

Comparing the overall sizes, the "Lava Z40 (2019) 8GB" is significantly smaller than the "Oppo Reno4 5G 256GB". The "Lava Z40 (2019) 8GB" is more convenient than the "Oppo Reno4 5G 256GB" to use with one hand, and it is less likely to get in your way when not using it. If you prefer a smartphone that is easy to carry around and easy to use with one hand, we recommend that you buy the "Lava Z40 (2019) 8GB" rather than the "Oppo Reno4 5G 256GB".

ScoreDimensions (width x height x thickness)
Oppo Reno4 5G 256GB64/10074.0mm x 159.3mm x 7.8mm
Lava Z40 (2019) 8GB75/10063.9mm x 125.5mm x 11.7mm

Which one is easier to hold, "Oppo Reno4 5G 256GB" or "Lava Z40 (2019) 8GB"? Compare weight

The device weight will effect how quickly you tire from holding it, and how much stress is put on your wrist. The lighter it is, the longer you can hold it without feeling tired. Also, less stress on your wrist will make using it easier and more pleasant. Unless the weight is right for you, it might put too much strain on your body and make using it more stressful.

The "Oppo Reno4 5G 256GB" weighs 183.0g. The "Lava Z40 (2019) 8GB" clocks in at 120.0g. If you compare the weight of the two, the "Lava Z40 (2019) 8GB" is a considerably lighter smartphone than the "Oppo Reno4 5G 256GB", with a difference of about 63g. Because of this, the "Lava Z40 (2019) 8GB" puts less of a burden on the fingers and wrists than the "Oppo Reno4 5G 256GB". If you want a smartphone that won't tire your hands out even when using it for a long time, we recommend that you buy the "Lava Z40 (2019) 8GB" rather than the "Oppo Reno4 5G 256GB".

ScoreWeight
Oppo Reno4 5G 256GB57/100183.0g
Lava Z40 (2019) 8GB82/100120.0g

Which is better in terms of display, "Oppo Reno4 5G 256GB" or "Lava Z40 (2019) 8GB"?

Screen size influences how well you can control your device, as well as how clear the display is. With a large screen, the text and buttons in apps will display large enough so you'll be less likely to accidentally tap the button next to the one you were aiming for. Plus, you'll be able to enjoy more high-impact visuals for games and movies.

The screen size on the "Oppo Reno4 5G 256GB" is 6.43inch, and 4.0inch on the "Lava Z40 (2019) 8GB". Comparing the sizes of the screens and displays, the "Oppo Reno4 5G 256GB" is considerably larger than the "Lava Z40 (2019) 8GB", with a difference of about 2.42inch. Compared to the "Lava Z40 (2019) 8GB", the "Oppo Reno4 5G 256GB" makes buttons in apps easier to press, and the visuals look more impressive in videos and games. The larger screen of the "Oppo Reno4 5G 256GB" also has the advantage of being less tiring on the eyes. If you want to avoid tapping the wrong place, enjoy videos and games on a large screen, and not get tired eyes while using it, we recommend that you buy the "Oppo Reno4 5G 256GB" rather than the "Lava Z40 (2019) 8GB".

ScoreDisplay size
Oppo Reno4 5G 256GB90/1006.43inch
Lava Z40 (2019) 8GB58/1004.0inch

Which one has a better display, "Oppo Reno4 5G 256GB" or "Lava Z40 (2019) 8GB"?

Pixel density influences how nice your device's screen looks, with high pixel densities making screens look more beautiful, and letting you get more out of your games and movies. Plus, the nicer you screen looks, the less strain you'll be putting on your eyes, so you'll tend to be able to use your device for longer before your eyes get tired.

The screen on the "Oppo Reno4 5G 256GB" has a 1080 x 2400 resolution and a pixel density of 409ppi. The "Lava Z40 (2019) 8GB", on the other hand, has a screen resolution of 480 x 800 and a pixel density of 233ppi. Comparing the screen definition, the "Oppo Reno4 5G 256GB" has a much higher pixel density than the "Lava Z40 (2019) 8GB", with a difference of about 176ppi. The screen on the "Oppo Reno4 5G 256GB" is clear and crisp, and puts less strain on the eyes than that of the "Lava Z40 (2019) 8GB". If you want to choose a smartphone that is gentle on your eyes with a display that shows text and images clearly, we recommend that you buy the "Oppo Reno4 5G 256GB" rather than the "Lava Z40 (2019) 8GB".

ScorePixel density
Oppo Reno4 5G 256GB85/100409ppi
Lava Z40 (2019) 8GB42/100233ppi

How is the battery duration of "Oppo Reno4 5G 256GB" different from that of "Lava Z40 (2019) 8GB" ? See the differences

Battery performance has a big effect on the battery life of your device. However, a high battery capacity doesn't necessarily mean a long battery life. Rather, the rate of power consumption needs to be taken into consideration as well. The larger the screen and the higher the CPU performance, the higher the rate of power consumption on your battery.

The "Oppo Reno4 5G 256GB" has a battery capacity of 4000.0mAh, while the "Lava Z40 (2019) 8GB" has a 2250.0mAh battery. With regards to battery performance, the "Oppo Reno4 5G 256GB" has a substantially larger battery capacity than the "Lava Z40 (2019) 8GB", with a difference of 1750mAh. The "Oppo Reno4 5G 256GB" can be used without charging for a longer time than the "Lava Z40 (2019) 8GB", so it can be used when out and about. If you want a smartphone with a longer-lasting battery, we recommend that you buy the "Oppo Reno4 5G 256GB" rather than the "Lava Z40 (2019) 8GB".

ScoreBattery capacity
Oppo Reno4 5G 256GB80/1004000.0mAh
Lava Z40 (2019) 8GB53/1002250.0mAh

Which is better in terms of CPU function, "Oppo Reno4 5G 256GB" or "Lava Z40 (2019) 8GB"?

Your CPU's speed will influence the processing power of the applications you run, and together with the number of cores in the CPU, as well as its clock frequency, will determine the processing power available for apps. The higher these performance factors, the smoother your games and apps will run. Conversely, if these factors are too low, your apps and games will be sluggish and struggle to run.

The "Oppo Reno4 5G 256GB" is equipped with a Qualcomm SDM765 Snapdragon 765G processor, and its performance speed is 2.4GHz+2.2GHz+1.8GHz×8(8.0-cores). The "Lava Z40 (2019) 8GB" uses an Unisoc SC9832E CPU that performs at a speed of 1.4GHz×4(4.0-cores). Comparing CPU performance, the "Oppo Reno4 5G 256GB" has significantly higher specs than the "Lava Z40 (2019) 8GB". The "Oppo Reno4 5G 256GB" proves to be more advanced than the "Lava Z40 (2019) 8GB" in the way that apps run quickly and games play smoothly. If you're looking for a high-spec smartphone that runs quickly and plays games smoothly, we recommend that you buy the "Oppo Reno4 5G 256GB" rather than the "Lava Z40 (2019) 8GB".

ScoreCPU specs
Oppo Reno4 5G 256GB94/1002.4GHz+2.2GHz+1.8GHz×8(8.0-cores)
Lava Z40 (2019) 8GB18/1001.4GHz×4(4.0-cores)

How is "Oppo Reno4 5G 256GB" different from "Lava Z40 (2019) 8GB" in terms of memory capacity?

Your device's multimedia performance and app stability are both influenced by the amount of memory it has available. The more memory, the more apps you can use simultaneously, while keeping everything stable and smooth. Plus, there'll be less chance of animations lagging or apps crashing. You also need to keep in mind that some games won't run at all if there's not enough memory available.

The "Oppo Reno4 5G 256GB" has 8.0GB of memory. The "Lava Z40 (2019) 8GB", on the other hand, has 1.0GB. As for memory performance, the "Oppo Reno4 5G 256GB" has a larger memory capacity than the "Lava Z40 (2019) 8GB", with a difference of about 7GB. The "Oppo Reno4 5G 256GB" has better multitasking, less crashing, and runs 3D games and VR video better than the "Lava Z40 (2019) 8GB". If you're looking for a smartphone that will remain stable even when you are using multiple apps at the same time, and which will allow you to play 3D games and VR video comfortably, we recommend that you buy the "Oppo Reno4 5G 256GB" rather than the "Lava Z40 (2019) 8GB".

ScoreRAM size
Oppo Reno4 5G 256GB93/1008.0GB
Lava Z40 (2019) 8GB20/1001.0GB

Which has a better storage capacity, "Oppo Reno4 5G 256GB" or "Lava Z40 (2019) 8GB"?

Storage capacity determines the amount of data you'll be able to save on your device. The more storage you have, the more photos you can take and the more apps you can install. Plus, if your smartphone is compatible with SD cards, then you can increase the amount of available storage. However, SD cards have a slower writespeed, making them less desirable in terms of performance, and users should be aware that it won't be possible to transfer all kinds of data to the card.

The "Oppo Reno4 5G 256GB" has 256.0GB of storage, while the "Lava Z40 (2019) 8GB" has 8.0GB. In terms of ROM and data storage, the "Oppo Reno4 5G 256GB" has a much larger capacity than the "Lava Z40 (2019) 8GB", with a difference of about 248GB. The "Oppo Reno4 5G 256GB" can save more photos and keep more apps installed than the "Lava Z40 (2019) 8GB". If you're searching for a smartphone that can store more data, we recommended that you buy the "Oppo Reno4 5G 256GB" rather than the "Lava Z40 (2019) 8GB".

ScoreStorage size
Oppo Reno4 5G 256GB91/100256.0GB
Lava Z40 (2019) 8GB24/1008.0GB

Compare the rear cameras of "Oppo Reno4 5G 256GB" and "Lava Z40 (2019) 8GB". Which one has better picture quality?

One factor in how well your rear camera (the camera on the back of your device) performs is its megapixel count. With a higher megapixel count, you'll be able to take photos with sharper detail, photos that stay clear and sharp even when printed.

The main camera on the "Oppo Reno4 5G 256GB" has 48.0MP. The "Lava Z40 (2019) 8GB" has 2.0MP. The rear-facing camera of the "Oppo Reno4 5G 256GB" also has a higher pixel count than the "Lava Z40 (2019) 8GB", with a difference of about 46MP. The "Oppo Reno4 5G 256GB" is more capable than the "Lava Z40 (2019) 8GB" of taking high-definition photos and videos, and produces better results when printing out the photos you have taken. If you want a smartphone that is designed for video and photography, we recommend buying the "Oppo Reno4 5G 256GB" rather than the "Lava Z40 (2019) 8GB".

ScoreRear-camera resolution
Oppo Reno4 5G 256GB97/10048.0MP
Lava Z40 (2019) 8GB5/1002.0MP

Which has a front camera with better picture quality, "Oppo Reno4 5G 256GB" or "Lava Z40 (2019) 8GB"?

One indication of how well your forward facing camera (the camera on the same side as your device's screen) performs is how many megapixels it has. More megapixels means you'll be able to take photos with sharper detail, that still look amazing printed out.

The forward-facing camera on the "Oppo Reno4 5G 256GB" has a resolution of 32.0MP. The "Lava Z40 (2019) 8GB"'s has 2.0MP. The front-facing camera of the "Oppo Reno4 5G 256GB" has a significantly higher number of pixels than the "Lava Z40 (2019) 8GB", with a difference of about 30MP. Therefore, the "Oppo Reno4 5G 256GB" is more suitable for taking photos and videos than the "Lava Z40 (2019) 8GB". If you want to take and print high-quality selfies, we recommend buying the "Oppo Reno4 5G 256GB" rather than the "Lava Z40 (2019) 8GB".

ScoreFront-camera resolution
Oppo Reno4 5G 256GB97/10032.0MP
Lava Z40 (2019) 8GB15/1002.0MP

Compare Performance Specs

Oppo Reno4 5G 256GBLava Z40 (2019) 8GB
ImageOppo Reno4 5G 256GBLava Z40 (2019) 8GB
MakerOppoLava
Release date2020-06-122019-03
ColorBlack/Blue/PurpleGold/Glossy Black
OSAndroidAndroid
Dimensions (width x height x thickness)74.0mm x 159.3mm x 7.8mm63.9mm x 125.5mm x 11.7mm
Weight183.0g120.0g
Display size6.43inch4.0inch
Display typeAMOLEDTN TFT
Screen resolution (width x height)1080 x 2400480 x 800
Pixel density409ppi233ppi
Battery capacity4000.0mAh2250.0mAh
ChipsetQualcomm SDM765 Snapdragon 765GUnisoc SC9832E
CPU specs2.4GHz+2.2GHz+1.8GHz×8(8.0-cores)1.4GHz×4(4.0-cores)
RAM size8.0GB1.0GB
Storage size256.0GB8.0GB
Rear-camera resolution48.0MP2.0MP
Front-camera resolution32.0MP2.0MP

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