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Compare Lava Z40 (2019) 8GB vs Lava Iris Alfa 8GB

Created date: 2019-03-19 05:43:18, Updated date: 2020-04-16 17:56:35

Lava Z40 (2019) 8GBLava Iris Alfa 8GB
Lava Z40 (2019) 8GBLava Iris Alfa 8GB

Here's our thorough comparison of the difference in performance and function between the "Lava Z40 (2019) 8GB" and "Lava Iris Alfa 8GB". Which one should you buy? We'll compare and explain what differs between the "Lava Z40 (2019) 8GB" and "Lava Iris Alfa 8GB" in a way that even people who aren't used to choosing between two similar products can understand.

Lava Z40 (2019) 8GBLava Iris Alfa 8GB
Lava Z40 (2019) 8GB

Lava Iris Alfa 8GB

General rating:
Portabilityrating-image3.8
75/100
rating-image3.3
66/100
Weightrating-image4.1
82/100
rating-image3.4
67/100
Size of screenrating-image2.9
58/100
rating-image3.7
74/100
Screen clarityrating-image2.1
42/100
rating-image1.3
25/100
Battery durationrating-image2.7
53/100
rating-image2.7
53/100
Processing capabilityrating-image1
18/100
rating-image1
14/100
Memory capacityrating-image1.0
20/100
rating-image1.0
20/100
Storage capacityrating-image1.2
24/100
rating-image1.2
24/100
Rear camera functionrating-image1
5/100
rating-image1.4
27/100
Front camera functionrating-image1
15/100
rating-image
- /100

Compare Performance and Usability

Size comparison of "Lava Z40 (2019) 8GB" and "Lava Iris Alfa 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 "Lava Z40 (2019) 8GB" is 63.9mm wide, 125.5mm tall, and 11.7mm thick. The "Lava Iris Alfa 8GB" is 71.4mm tall, 141.0mm wide, and 9.3mm thick.

Comparing the width and thickness of the main unit, the "Lava Z40 (2019) 8GB" is smaller and more compact compared to the "Lava Iris Alfa 8GB". Therefore, it is easier to grip and hold the "Lava Z40 (2019) 8GB" than the "Lava Iris Alfa 8GB". For this reason, the "Lava Z40 (2019) 8GB" is recommended.

Comparing the width and height of the devices, the "Lava Z40 (2019) 8GB" is more compact than the "Lava Iris Alfa 8GB". The "Lava Z40 (2019) 8GB" is easier to carry around than the "Lava Iris Alfa 8GB" 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 "Lava Iris Alfa 8GB".

Comparing the overall sizes, the "Lava Z40 (2019) 8GB" is significantly smaller than the "Lava Iris Alfa 8GB". The "Lava Z40 (2019) 8GB" is more convenient than the "Lava Iris Alfa 8GB" 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 "Lava Iris Alfa 8GB".

ScoreDimensions (width x height x thickness)
Lava Z40 (2019) 8GB75/10063.9mm x 125.5mm x 11.7mm
Lava Iris Alfa 8GB66/10071.4mm x 141.0mm x 9.3mm

Which one is easier to hold, "Lava Z40 (2019) 8GB" or "Lava Iris Alfa 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 "Lava Z40 (2019) 8GB" weighs 120.0g. The "Lava Iris Alfa 8GB" clocks in at 158.0g. If you compare the weight of the two, the "Lava Z40 (2019) 8GB" is a considerably lighter smartphone than the "Lava Iris Alfa 8GB", with a difference of about 38g. Because of this, the "Lava Z40 (2019) 8GB" puts less of a burden on the fingers and wrists than the "Lava Iris Alfa 8GB". 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 "Lava Iris Alfa 8GB".

ScoreWeight
Lava Z40 (2019) 8GB82/100120.0g
Lava Iris Alfa 8GB67/100158.0g

Which is better in terms of display, "Lava Z40 (2019) 8GB" or "Lava Iris Alfa 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 "Lava Z40 (2019) 8GB" is 4.0inch, and 5.0inch on the "Lava Iris Alfa 8GB". Comparing the sizes of the screens and displays, the "Lava Iris Alfa 8GB" is considerably larger than the "Lava Z40 (2019) 8GB", with a difference of about 1inch. Compared to the "Lava Z40 (2019) 8GB", the "Lava Iris Alfa 8GB" makes buttons in apps easier to press, and the visuals look more impressive in videos and games. The larger screen of the "Lava Iris Alfa 8GB" 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 "Lava Iris Alfa 8GB" rather than the "Lava Z40 (2019) 8GB".

ScoreDisplay size
Lava Z40 (2019) 8GB58/1004.0inch
Lava Iris Alfa 8GB74/1005.0inch

Which one has a better display, "Lava Z40 (2019) 8GB" or "Lava Iris Alfa 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 "Lava Z40 (2019) 8GB" has a 480 x 800 resolution and a pixel density of 233ppi. The "Lava Iris Alfa 8GB", on the other hand, has a screen resolution of 480 x 854 and a pixel density of 195ppi. Comparing the screen definition, the "Lava Z40 (2019) 8GB" has a much higher pixel density than the "Lava Iris Alfa 8GB", with a difference of about 38ppi. The screen on the "Lava Z40 (2019) 8GB" is clear and crisp, and puts less strain on the eyes than that of the "Lava Iris Alfa 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 "Lava Z40 (2019) 8GB" rather than the "Lava Iris Alfa 8GB".

ScorePixel density
Lava Z40 (2019) 8GB42/100233ppi
Lava Iris Alfa 8GB25/100195ppi

How is the battery duration of "Lava Z40 (2019) 8GB" different from that of "Lava Iris Alfa 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 "Lava Z40 (2019) 8GB" has a battery capacity of 2250.0mAh, while the "Lava Iris Alfa 8GB" has a 2200.0mAh battery. The batteries of both the "Lava Z40 (2019) 8GB" and "Lava Iris Alfa 8GB" perform to the same extent. There is also no difference in the battery capacities of the "Lava Z40 (2019) 8GB" and the "Lava Iris Alfa 8GB". Since their battery life is practically identical, it would be better to compare them based on other aspects of performance and function.

ScoreBattery capacity
Lava Z40 (2019) 8GB53/1002250.0mAh
Lava Iris Alfa 8GB53/1002200.0mAh

Which is better in terms of CPU function, "Lava Z40 (2019) 8GB" or "Lava Iris Alfa 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 "Lava Z40 (2019) 8GB" is equipped with a Unisoc SC9832E processor, and its performance speed is 1.4GHz×4(4.0-cores). The "Lava Iris Alfa 8GB" uses an Spreadtrum 7731 CPU that performs at a speed of 1.2GHz×4(4.0-cores). There is also no real discrepancy between the CPU performances of the "Lava Z40 (2019) 8GB" and "Lava Iris Alfa 8GB". Because of this, both phones will feel practically identical in terms of smoothness when running apps and ease of game play. This is why it is better to compare them based on other aspects of performance and function.

ScoreCPU specs
Lava Z40 (2019) 8GB18/1001.4GHz×4(4.0-cores)
Lava Iris Alfa 8GB14/1001.2GHz×4(4.0-cores)

How is "Lava Z40 (2019) 8GB" different from "Lava Iris Alfa 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 "Lava Z40 (2019) 8GB" has 1.0GB of memory. The "Lava Iris Alfa 8GB", on the other hand, has 1.0GB. Memory performance is roughly the same for both the "Lava Z40 (2019) 8GB" and "Lava Iris Alfa 8GB"; as a result, multitasking, playing 3D games, and using VR feels the same on both devices. Because of this, it is better to compare them based on other aspects of performance and function.

ScoreRAM size
Lava Z40 (2019) 8GB20/1001.0GB
Lava Iris Alfa 8GB20/1001.0GB

Which has a better storage capacity, "Lava Z40 (2019) 8GB" or "Lava Iris Alfa 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 "Lava Z40 (2019) 8GB" has 8.0GB of storage, while the "Lava Iris Alfa 8GB" has 8.0GB. There is no real difference between the "Lava Z40 (2019) 8GB"and "Lava Iris Alfa 8GB" 's ROMs and storage capacities, so both can store roughly the same amount of photographs and apps. Because of this, it is better to compare them based on other aspects of performance and function.

ScoreStorage size
Lava Z40 (2019) 8GB24/1008.0GB
Lava Iris Alfa 8GB24/1008.0GB

Compare the rear cameras of "Lava Z40 (2019) 8GB" and "Lava Iris Alfa 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 "Lava Z40 (2019) 8GB" has 2.0MP. The "Lava Iris Alfa 8GB" has 5.0MP. The rear-facing camera of the "Lava Iris Alfa 8GB" also has a higher pixel count than the "Lava Z40 (2019) 8GB", with a difference of about 3MP. The "Lava Iris Alfa 8GB" 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 "Lava Iris Alfa 8GB" rather than the "Lava Z40 (2019) 8GB".

ScoreRear-camera resolution
Lava Z40 (2019) 8GB5/1002.0MP
Lava Iris Alfa 8GB27/1005.0MP

Which has a front camera with better picture quality, "Lava Z40 (2019) 8GB" or "Lava Iris Alfa 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.

ScoreFront-camera resolution
Lava Z40 (2019) 8GB15/1002.0MP
Lava Iris Alfa 8GB - /100

Compare Performance Specs

Lava Z40 (2019) 8GBLava Iris Alfa 8GB
ImageLava Z40 (2019) 8GBLava Iris Alfa 8GB
MakerLavaLava
Release date2019-032015-01
ColorGold/Glossy BlackBlack/White
OSAndroidAndroid
Dimensions (width x height x thickness)63.9mm x 125.5mm x 11.7mm71.4mm x 141.0mm x 9.3mm
Weight120.0g158.0g
Display size4.0inch5.0inch
Display typeTN TFTIPS LCD
Screen resolution (width x height)480 x 800480 x 854
Pixel density233ppi195ppi
Battery capacity2250.0mAh2200.0mAh
ChipsetUnisoc SC9832ESpreadtrum 7731
CPU specs1.4GHz×4(4.0-cores)1.2GHz×4(4.0-cores)
RAM size1.0GB1.0GB
Storage size8.0GB8.0GB
Rear-camera resolution2.0MP5.0MP

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