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Lava Z81 (2018) 32GB vs Cat S31 (2017) 16GB

Created date: 2018-11-18 10:16:03, Updated date: 2020-04-16 14:41:37

Lava Z81 (2018) 32GBCat S31 (2017) 16GB
Lava Z81 (2018) 32GBCat S31 (2017) 16GB

Which do we recommend after comparing the "Lava Z81 (2018) 32GB" and "Cat S31 (2017) 16GB"? We evaluated the differences between the two models. This article is recommended for those who are trying to choose between the "Lava Z81 (2018) 32GB" and "Cat S31 (2017) 16GB".

Lava Z81 (2018) 32GBCat S31 (2017) 16GB
Lava Z81 (2018) 32GB

Cat S31 (2017) 16GB

General rating:
Griprating-image3.2
73.0mm x 152.2mm x 7.9mm
rating-image2.3
74.4mm x 146.0mm x 12.6mm
Screen qualityrating-image3.2
IPS LCD, 5.7inch, 720 x 1440
rating-image2.7
TFT, 4.7inch, 720 x 1280
Performancerating-image3.3
Mediatek MT6761 Helio A22, 2.0GHz×4(4.0-cores), 3.0GB
rating-image2.4
Qualcomm MSM8909 Snapdragon 210, 1.3GHz×4(4.0-cores), 2.0GB
Storage sizerating-image3.9
32.0GB
rating-image3.5
16.0GB
Batteryrating-image4.6
3000.0mAh
rating-image5.0
4000.0mAh
Rear-camera resolutionrating-image3.6
13.0MP
rating-image2.5
8.0MP
Front-camera resolutionrating-image5.0
13.0MP
rating-image2.5
2.0MP

What is the difference between the "Lava Z81 (2018) 32GB" and the "Cat S31 (2017) 16GB"? See a detailed comparison of ease of use and performance

Comparison of weight and size of the "Lava Z81 (2018) 32GB" and "Cat S31 (2017) 16GB"

The design of Lava Z81 (2018) 32GB

The "Lava Z81 (2018) 32GB" is 152.2mm long, 73.0mm wide, and 7.9mm thick. It weighs 141.0g.

The design of Cat S31 (2017) 16GB

The "Cat S31 (2017) 16GB" is 146.0mm long, 74.4mm wide, and 12.6mm thick. It weighs 200.0g.

Which is the better design to use?

In comparison, the size difference is 6.1mm in length, 1.4mm in width, and 4.6mm in thickness. Those who are looking for a phone they can use one-handedly will find the "Lava Z81 (2018) 32GB" easier to use and carry around. "Lava Z81 (2018) 32GB" is bigger than "Cat S31 (2017) 16GB", which makes it easier to type on it via flick input. Also, "Lava Z81 (2018) 32GB" is more compact than "Cat S31 (2017) 16GB" and less bulky for the user to carry around.

The difference in weight is 59g. The "Lava Z81 (2018) 32GB" is much lighter, putting less burden on the hand.

Lava Z81 (2018) 32GB

Cat S31 (2017) 16GB

Ease of holding it in one hand68/10056/100
How much it does not feel heavy to hold in one hand60/10019/100
Ease of carrying around62/10056/100

Compare the display of the "Lava Z81 (2018) 32GB" and "Cat S31 (2017) 16GB"

Display of the Lava Z81 (2018) 32GB

The "Lava Z81 (2018) 32GB" uses a IPS LCD liquid crystal. The resolution is 720 x 1440, and the pixel density is 282ppi. The "Lava Z81 (2018) 32GB" has a 5.7inch screen size.

Display of the Cat S31 (2017) 16GB

The "Cat S31 (2017) 16GB" uses a TFT liquid crystal. The resolution is 720 x 1280, and the pixel density is 312ppi. The "Cat S31 (2017) 16GB" has a 4.7inch screen size.

Which has a better screen?

This makes a 1inch difference in the display sizes. Lining up the displays side by side makes the difference in size clearly visible. The larger display on the "Lava Z81 (2018) 32GB" is easy on the eyes, making it the better choice for surfing the web or browsing social media. The "Lava Z81 (2018) 32GB" has the necessary specs for this kind of purpose. In the gaming end, the "Lava Z81 (2018) 32GB" offers a more suitable screen size. The "Lava Z81 (2018) 32GB" has the necessary specs for this kind of purpose.

The display of "Cat S31 (2017) 16GB" looks sleeker than that of "Lava Z81 (2018) 32GB", and is more suited for everyday use such looking things up on the Internet and playing mobile games. When using the smartphone as a VR, the screen is generally held much closer to the face than when using the smartphone for other purposes, and so the clarity of the screen becomes a rather important factor. "Cat S31 (2017) 16GB" is comparatively more suited for use with VR as it has a sleeker display. The "Lava Z81 (2018) 32GB" has the performance needed for this kind of purpose.

Lava Z81 (2018) 32GB

Cat S31 (2017) 16GB

How suited is the screen for usual usage?73/10063/100
How suited is the screen to play games on?75/10048/100

Compare the camera performances of the "Lava Z81 (2018) 32GB" and "Cat S31 (2017) 16GB"

Camera performance of Lava Z81 (2018) 32GB

The main camera of the "Lava Z81 (2018) 32GB" has 13.0MP. The front camera has 13.0MP.

Camera performance of Cat S31 (2017) 16GB

The main camera of the "Cat S31 (2017) 16GB" has 8.0MP. The front camera has 2.0MP.

Which camera performance is better?

The back cameras thus have a 5MP difference in comparison. The "Lava Z81 (2018) 32GB" also functions better for long-shot photos for the perfect group photo or a picturesque shot of a beautiful location. The "Lava Z81 (2018) 32GB"'s rear camera triumphs as well, boasting a better megapixel count for close-up Instagram-worthy pictures of meals and desserts. The "Lava Z81 (2018) 32GB" has the necessary specs for this kind of purpose.

There is a 11MP difference in front camera pixel number. The "Lava Z81 (2018) 32GB"'s front camera also works terrifically well with selfie sticks and for capturing distant objects like the background scenery in your selfies. The "Lava Z81 (2018) 32GB" has the necessary specs for this kind of purpose. The "Lava Z81 (2018) 32GB"'s front camera has a more suitable megapixel count for shooting objects up close for selfies and such.

Lava Z81 (2018) 32GB

Cat S31 (2017) 16GB

Is is suited to taking far away objects with the rear camera?72/10050/100
Is it suited for taking close objects with the built-in camera?100/10050/100

Comparison of the processing capabilities of the "Lava Z81 (2018) 32GB" and "Cat S31 (2017) 16GB"

The processing capability of the Lava Z81 (2018) 32GB

Performance is defined by the chipset, and the "Lava Z81 (2018) 32GB" uses the Mediatek MT6761 Helio A22 SoC. The CPU performance is 2.0GHz×4(4.0-cores). The memory capacity is 3.0GB.

The processing capability of the Cat S31 (2017) 16GB

Performance is defined by the chipset, and the "Cat S31 (2017) 16GB" uses the Qualcomm MSM8909 Snapdragon 210 SoC. The CPU performance is 1.3GHz×4(4.0-cores). The memory capacity is 2.0GB.

Which has the better processing capability?

As compared to the "Cat S31 (2017) 16GB", the "Lava Z81 (2018) 32GB" boasts boasts a better CPU and specs. This is a 1GB difference in memory capacity. The "Lava Z81 (2018) 32GB" has more memory storage, making the "Lava Z81 (2018) 32GB" work better for multitasking or running 3D games.

For those who only use their phone's basic features like emailing, instant messaging, or social media, the "Lava Z81 (2018) 32GB" is the better choice to buy over the "Cat S31 (2017) 16GB". Users looking for a phone to meet their web browsing and video playing needs, with the occasional game every now and then, should definitely go for the "Lava Z81 (2018) 32GB". The "Lava Z81 (2018) 32GB" has the necessary specs for this kind of purpose.

The "Lava Z81 (2018) 32GB" runs 2D games and simple 3D games much more smoothly, making it the better choice in this area. Complex, full-fledged 3D games definitely run better on the "Lava Z81 (2018) 32GB" than the "Cat S31 (2017) 16GB".

Lava Z81 (2018) 32GB

Cat S31 (2017) 16GB

Review on the CPU capbility and memory capacity when using Social Networks or the Internet78/10071/100
Review on the CPU speed and the memory capacity while playing 3D games52/10032/100

Comparison of the battery life of the "Lava Z81 (2018) 32GB" and "Cat S31 (2017) 16GB"

Battery performance of Lava Z81 (2018) 32GB

The "Lava Z81 (2018) 32GB" has a battery capacity of 3000.0mAh.

Battery performance of Cat S31 (2017) 16GB

The "Cat S31 (2017) 16GB" has a battery capacity of 4000.0mAh.

Which battery perfomances is better?

This makes a difference in battery capacity of 1000mAh, but it is not enough to only compare the capacity. With a high-performance CPU, the battery drains faster, and a larger screen also uses more battery.

The "Cat S31 (2017) 16GB" is also a great choice for those who only use their phone for occasional phone calls or for checking the time. For people who tend to use their phone for looking up things on the internet, checking up on social media, or playing the occasional game, I recommend the "Cat S31 (2017) 16GB" over the "Lava Z81 (2018) 32GB". Both the "Lava Z81 (2018) 32GB" and the "Cat S31 (2017) 16GB" can be easily used for this kind of purpose.

The battery life of the "Cat S31 (2017) 16GB" is well equipped to handle long hours of gaming, video playback, and other kinds of frequent daily use. Both the "Lava Z81 (2018) 32GB" and the "Cat S31 (2017) 16GB" can be easily used for this kind of purpose.

Lava Z81 (2018) 32GB

Cat S31 (2017) 16GB

Review on the battery life of a phone mainly using Social Networks and the Internet92/100100/100
Review on the battery life of a phone mainly using mainly games and videos82/100100/100

Compare the storage capacity of the "Lava Z81 (2018) 32GB" and "Cat S31 (2017) 16GB"

The storage capacity of the Lava Z81 (2018) 32GB

The "Lava Z81 (2018) 32GB" has 32.0GB of internal memory. It is also compatible with SD cards, so when there is insufficient storage space, then a SD card can be used to add more storage. A SD with a maximum of 128.0GB can be used.

The storage capacity of the Cat S31 (2017) 16GB

The "Cat S31 (2017) 16GB" has 16.0GB of internal memory. It is also compatible with SD cards, so when there is insufficient storage space, then a SD card can be used to add more storage. A SD with a maximum of 64.0GB can be used.

Which has the easier storage to use?

The difference in internal memory is about 16GB. "Lava Z81 (2018) 32GB" is recommended if you are using your phone mainly for downloading games and using apps such as social media. Avid gamers should look to the "Lava Z81 (2018) 32GB" for fulfilling their storage needs, as the "Cat S31 (2017) 16GB" unfortunately falls behind here.

When the storage added with a SD card is included, then the difference is about 80GB. Because the speed of loading from or saving to the SD card is slow, it is suited for saving pictures or videos. The "Lava Z81 (2018) 32GB" will support you with its large storage all the way as you download photos and videos to your heart's content. The "Lava Z81 (2018) 32GB" has the necessary specs for this kind of purpose.

Lava Z81 (2018) 32GB

Cat S31 (2017) 16GB

Review on the storage capacity when playing many games78/10070/100
Review on when you store many pictures and videos78/10067/100

Which to buy, the "Lava Z81 (2018) 32GB" or "Cat S31 (2017) 16GB"

At the end of the day which is better, the "Lava Z81 (2018) 32GB" or "Cat S31 (2017) 16GB"?

If you're looking for something that's easy to hold, the compact "Lava Z81 (2018) 32GB" is a great choice. Its perfect screen size of 5.7inch makes the "Lava Z81 (2018) 32GB" a lot easier to use. The "Lava Z81 (2018) 32GB" also hands down has the superior specs. Between the "Lava Z81 (2018) 32GB" and the "Cat S31 (2017) 16GB", the "Lava Z81 (2018) 32GB" is overall the clear winner.

Lava Z81 (2018) 32GB

Cat S31 (2017) 16GB

Handling64/10046/100
Display63/10053/100
CPU specs65/10048/100
General rating72/10058/100

Is it recommended to buy the Lava Z81 (2018) 32GB, compared with other smartphones?

Compared to other smart phones, the "Lava Z81 (2018) 32GB" has a size that is easy to hold, and looks compact. It can be easily operated with one hand. The screen size is comparable to that of standard smartphones, so it is suited for doing internet searches and browsing or for simple SNS messaging. In addition, its processing capabilities are of a slightly higher specification compared to the average smart phone, and can be said to be more than adequate for normal use. However, its performance may feel slightly inadequate when playing 3D games and such. Looking at the overall specifications, the "Lava Z81 (2018) 32GB" is a middle-range to high-end smart phone.

Is it recommended to buy the Cat S31 (2017) 16GB, compared with other smartphones?

Compared to other smartphones, the "Cat S31 (2017) 16GB" is averagely easy to hold. Although it can be a little difficult, it is the right size to be able to operate with one hand. The screen size is comparable to that of standard smartphones, so it is suited for doing internet searches and browsing or for simple SNS messaging. Its processing performance is roughly the same as an average smartphone. It is a well balanced model, but its performance does feel slightly lacking. Buying a higher performance smartphone would make using apps easier. Judging from the overall specs, the "Cat S31 (2017) 16GB" is a mid-range smartphone.

What are the spec differences between the "Lava Z81 (2018) 32GB" and "Cat S31 (2017) 16GB" ?

A summary of the technical specifications of the "Lava Z81 (2018) 32GB" and "Cat S31 (2017) 16GB". Functions and performance variations on the same model will be highlighted in red.

Lava Z81 (2018) 32GBCat S31 (2017) 16GB
Lava Z81 (2018) 32GBCat S31 (2017) 16GB
ColorBlack+Blue/Gold+BlackBlack
OSAndroidAndroid
Dimensions (width x height x thickness)73.0mm x 152.2mm x 7.9mm74.4mm x 146.0mm x 12.6mm
Weight141.0g200.0g
Display size5.7inch4.7inch
Display typeIPS LCDTFT
Screen resolution (width x height)720 x 1440720 x 1280
Pixel density282ppi312ppi
Battery capacity3000.0mAh4000.0mAh
ChipsetMediatek MT6761 Helio A22Qualcomm MSM8909 Snapdragon 210
CPU specs2.0GHz×4(4.0-cores)1.3GHz×4(4.0-cores)
RAM size3.0GB2.0GB
Storage size32.0GB16.0GB
Rear-camera resolution13.0MP8.0MP
Front-camera resolution13.0MP2.0MP

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