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Which is better, Ulefone S1 (2018) 8GB or Lava Iris 503 4GB? We compared their features and specs in detail

Created date: 2020-01-08 18:22:02, Updated date: 2021-10-20 20:04:30

Ulefone S1 (2018) 8GBLava Iris 503 4GB
Ulefone S1 (2018) 8GBLava Iris 503 4GB

Are you having trouble comparing the differences in features and performance of the "Ulefone S1 (2018) 8GB" and "Lava Iris 503 4GB", or unsure about their differences in ease-of-use, and wondering which to buy? We did a deep-dive comparison of the features, specs, and capabilities of these two smartphone, and provided our rating of which one was a better buy.

Ulefone S1 (2018) 8GBLava Iris 503 4GB
Ulefone S1 (2018) 8GB

Lava Iris 503 4GB

General rating:

36.2/100

(The 3980th of all smartphones)

36.7/100

(The 2800th of all smartphones)

Holding comfort
67/100
61/100
Weight
57/100
60/100
Screen size
82/100
74/100
Display quality
25/100
36/100
Battery life
65/100
50/100
Processing power
16/100
4/100
Memory capacity
20/100
5/100
Storage capacity
24/100
11/100
Rear camera performance
27/100
66/100
Front camera performance
15/100
27/100

"Ulefone S1 (2018) 8GB" and "Lava Iris 503 4GB", performance comparison

"Ulefone S1 (2018) 8GB" and "Lava Iris 503 4GB" size comparison. Which to choose?

The size of the body has a big influence on the ease of carrying and one-handed operation. The narrower the width, the easier it is to firmly grasp and hold, but you also have to take into account the device's thickness. Also, if the width and height are smaller, its easier to operate one-handed since its easier to extend your fingers. On the contrary, if the width and height are large, it's difficult to fit in your pocket and is bulky even when put in a bag, and portability is impaired.

The "Ulefone S1 (2018) 8GB" has a width of 70.7mm, a length of 148.6mm, and a thickness of 9.6mm. Also, the "Lava Iris 503 4GB" has a width of 73.3mm, a length of 143.2mm, and a thickness of 10.5mm.

Comparing the width and thickness of the body, the "Ulefone S1 (2018) 8GB" is smaller and more compact compared to the "Lava Iris 503 4GB". For that reason, the "Ulefone S1 (2018) 8GB" is easier to grip firmly and carry one-handed than the "Lava Iris 503 4GB". For that reason, we recommend the "Ulefone S1 (2018) 8GB".

Comparing the width and thickness of the body, there isn't a large difference in size between the "Ulefone S1 (2018) 8GB" and the "Lava Iris 503 4GB". For that reason their one-handed operability, portability, and bulkiness when carried is about the same. That's why I think it's better to compare them in terms of other aspects of performance and functionality.

Comparing the overall size of the two devices, there isn't a big difference in size between the "Ulefone S1 (2018) 8GB" and the "Lava Iris 503 4GB". For that reason the ease of carrying and use with one hand is about the same for both. That's why it is better to compare the two in terms of other aspects of performance and functionality.

ScoreDimensions (width x height x thickness)
Ulefone S1 (2018) 8GB67/10070.7mm x 148.6mm x 9.6mm
Lava Iris 503 4GB61/10073.3mm x 143.2mm x 10.5mm

"Ulefone S1 (2018) 8GB" and "Lava Iris 503 4GB", which is more comfortable to hold? Weight comparison

The weight of the device affects hand fatigue and the burden placed upon the wrist. The lighter it is, the longer you'll be able to operate the device without tiring. Also, if the burden placed on the wrist is lower, you'll be able to use the device more comfortably. However if the weight isn't right for you, it could place more of a burden on your body, causing you to feel stress.

The weight of the "Ulefone S1 (2018) 8GB" is about 183.0g, and the weight of the "Lava Iris 503 4GB" is about 175.0g. Comparing the weight of the two devices, there isn't much difference in weight between the "Ulefone S1 (2018) 8GB" and "Lava Iris 503 4GB". That's why the likelihood of fatigue in the fingers and wrists after extended use is about the same for both. That's why it is better to compare the two in terms of other aspects of performance and functionality.

ScoreWeight
Ulefone S1 (2018) 8GB57/100183.0g
Lava Iris 503 4GB60/100175.0g

"Ulefone S1 (2018) 8GB" and "Lava Iris 503 4GB", whose display is easier to use?

The size of the screen affects usability and screen visibility. A larger screen means larger letters and buttons on apps, so the user is less likely to tap adjacent buttons by mistake. In addition, the user can enjoy a more intense experience when playing games and watching videos.

The "Ulefone S1 (2018) 8GB" has a 5.5inch display. Also, the "Lava Iris 503 4GB" has a 5.0inch display. Comparing the screen size, the "Ulefone S1 (2018) 8GB" has a larger screen compared to the "Lava Iris 503 4GB", with a roughly 0.5inch difference. As a result, the user is less likely to mistap when using apps on the "Ulefone S1 (2018) 8GB" than on the "Lava Iris 503 4GB", and is also able to enjoy videos and games on a larger screen. Therefore, we recommend the "Ulefone S1 (2018) 8GB".

ScoreDisplay size
Ulefone S1 (2018) 8GB82/1005.5inch
Lava Iris 503 4GB74/1005.0inch

"Ulefone S1 (2018) 8GB" and "Lava Iris 503 4GB", which has a clearer display?

Pixel density affects picture quality, and the higher the pixel density, the better the picture quality, which means the user can gain more enjoyment from games and videos. In addition, higher picture quality decreases eyestrain, which means that the user will experience less eye fatigue after prolonged use.

The resolution on the "Ulefone S1 (2018) 8GB" is 480 x 960, and pixel density is 195ppi. Also, the resolution on the "Lava Iris 503 4GB" is 540 x 960, and pixel density is 220ppi. Comparing the pixel count, the "Lava Iris 503 4GB" has much higher pixel density than the "Ulefone S1 (2018) 8GB", with a difference of roughly 25ppi. In terms of having better picture quality and exerting less strain on the eyes, the "Lava Iris 503 4GB" is superior to the "Ulefone S1 (2018) 8GB". If you are looking for a smartphone that is easy on the eyes, displaying texts and pictures clearly without any blurring, we recommend the "Lava Iris 503 4GB" over the "Ulefone S1 (2018) 8GB".

ScorePixel density
Ulefone S1 (2018) 8GB25/100195ppi
Lava Iris 503 4GB36/100220ppi

"Ulefone S1 (2018) 8GB" and "Lava Iris 503 4GB", a summary of the differences in battery life

Battery performance greatly affects battery life, but greater battery capacity does not necessarily mean greater battery life, since battery efficiency should also be considered. Bigger screens and higher CPU performance will mean the batteries are depleted more quickly.

The "Ulefone S1 (2018) 8GB" is 3000.0mAh, and the "Lava Iris 503 4GB" is 2000.0mAh. Regarding battery capacity, the "Ulefone S1 (2018) 8GB" has greater battery capacity than the "Lava Iris 503 4GB", with a 1000mAh difference. Since the "Ulefone S1 (2018) 8GB" can be used for longer periods without recharging than the "Lava Iris 503 4GB", it is great for outdoor use. If you want a smartphone with a longer battery life, we recommend the "Ulefone S1 (2018) 8GB" over the "Lava Iris 503 4GB".

ScoreBattery capacity
Ulefone S1 (2018) 8GB65/1003000.0mAh
Lava Iris 503 4GB50/1002000.0mAh

"Ulefone S1 (2018) 8GB" and "Lava Iris 503 4GB", which has better CPU?

CPU performance affects the ability to process programs, and the ability to process programs is determined by the product of the number of cores in the CPU and the CPU frequency. The higher this performance is, the more smoothly apps and games will run, and with low performance apps and games become heavy and stress is experienced.

The "Ulefone S1 (2018) 8GB"'s CPU is a Mediatek MT6580, with performance measured at 1.3GHz×4(4.0-cores). Comparing CPU performance, the "Ulefone S1 (2018) 8GB" has considerably higher specs than the "Lava Iris 503 4GB". In terms of being able to comfortably play games and run apps smoothly, the "Ulefone S1 (2018) 8GB" is superior to the "Lava Iris 503 4GB". If you're going for a high spec smart phone that runs smoothly and comfortably handles games, we recommend purchasing the "Ulefone S1 (2018) 8GB" over the "Lava Iris 503 4GB".

ScoreCPU specs
Ulefone S1 (2018) 8GB16/1001.3GHz×4(4.0-cores)
Lava Iris 503 4GB4/1001.0GHz×2(2.0-cores)

"Ulefone S1 (2018) 8GB" and "Lava Iris 503 4GB", what's the difference in memory capacity?

RAM affects multitasking ability and the stability of apps. The larger the amount of RAM is, the more stability there will be even in situations where multiple apps are running simultaneously, allowing for comfortable use. In addition, animation will be more smooth, and apps will be less likely to freeze or crash. Also, without sufficient RAM, there are games you won't be able to run, so it is necessary to be careful.

The weight of the "Ulefone S1 (2018) 8GB" is 1.0GB and the weight of the "Lava Iris 503 4GB" is 512.0MB. Comparing the devices in terms of RAM, the "Ulefone S1 (2018) 8GB" has a significantly larger amount of RAM than the "Lava Iris 503 4GB", with a difference of about 511GB. In terms of the unlikeliness of crashing and the ease of multitasking, 3D games and VR, the "Ulefone S1 (2018) 8GB" is superior to the "Lava Iris 503 4GB". If you're looking for a smart phone that can run multiple apps simultaneously with stability and also allows you to comfortably enjoy 3D games and VR, then we recommend purchasing the "Ulefone S1 (2018) 8GB" over the "Lava Iris 503 4GB".

ScoreRAM size
Ulefone S1 (2018) 8GB20/1001.0GB
Lava Iris 503 4GB5/100512.0MB

"Ulefone S1 (2018) 8GB" and "Lava Iris 503 4GB", which has more data storage?

Storage capacity affects the amount of data that is capable of being stored. The larger the storage capacity, the more pictures you can take and the more applications you can install. In addition, if your smartphone accepts SD cards, then you can increase its storage capacity. However, there are performance related drawbacks, including a slower data transfer rate than the primary memory, and you cannot transfer all your data on the card, so be warned.

The data storage capacity of the "Ulefone S1 (2018) 8GB" is 8.0GB. Also the "Lava Iris 503 4GB" is 4.0GB. Regarding storage capacity, the "Ulefone S1 (2018) 8GB" has a much larger data storage capacity compared to the "Lava Iris 503 4GB", with a roughly 4GB difference. In terms of the number of pictures you can save and the applications that you can install, the "Ulefone S1 (2018) 8GB" is superior to the "Lava Iris 503 4GB". If you are looking for a smartphone that can save more data, we recommend the "Ulefone S1 (2018) 8GB" over the "Lava Iris 503 4GB".

ScoreStorage size
Ulefone S1 (2018) 8GB24/1008.0GB
Lava Iris 503 4GB11/1004.0GB

"Ulefone S1 (2018) 8GB" and "Lava Iris 503 4GB" rear camera performance comparison. Which has a higher resolution?

One factor that determines the performance of the exterior camera located on the back of the device (the rear/back camera) is the pixel count. The larger the pixel count, the higher the resolution of the pictures you can take, and the cleaner the pictures will look when printed.

"Ulefone S1 (2018) 8GB" has a 5.0MP main camera. Also, "Lava Iris 503 4GB" has a 15.0MP main camera. Comparing rear camera performance, the "Lava Iris 503 4GB" has a much higher pixel count compared to the "Ulefone S1 (2018) 8GB", with a roughly 10MP difference. In terms of taking or shooting high resolution pictures or videos that will look clean when printed, the "Lava Iris 503 4GB" is superior to the "Ulefone S1 (2018) 8GB". If you are looking for a smartphone that is suited for shooting videos and taking pictures, we recommend the "Lava Iris 503 4GB" over the "Ulefone S1 (2018) 8GB".

ScoreRear-camera resolution
Ulefone S1 (2018) 8GB27/1005.0MP
Lava Iris 503 4GB66/10015.0MP

"Ulefone S1 (2018) 8GB" and "Lava Iris 503 4GB", whose front camera has a better picture quality?

One factor that determines the performance of the exterior camera located on the front of the device (the in/front camera) is the pixel count. The larger the pixel count, the higher the resolution of the pictures you can take, and the cleaner the pictures will look when printed.

"Ulefone S1 (2018) 8GB" has an 2.0MP front camera and "Lava Iris 503 4GB" has an 3.0MP front camera. Comparing rear camera performance, the front camera of the "Lava Iris 503 4GB" has a much higher pixel count compared to the "Ulefone S1 (2018) 8GB", with a roughly 1MP difference. As a result, the "Lava Iris 503 4GB" is more suited than the "Ulefone S1 (2018) 8GB" for shooting videos and taking pictures. If you are looking for a smartphone that is suited for shooting high resolution selfies which will look clean when printed, we recommend the "Lava Iris 503 4GB" over the "Ulefone S1 (2018) 8GB".

ScoreFront-camera resolution
Ulefone S1 (2018) 8GB15/1002.0MP
Lava Iris 503 4GB27/1003.0MP

"Ulefone S1 (2018) 8GB" and "Lava Iris 503 4GB", performance comparison by specification sheet

Ulefone S1 (2018) 8GBLava Iris 503 4GB
ImageUlefone S1 (2018) 8GBLava Iris 503 4GB
MakerUlefoneLava
Release date2018-082013-10
ColorGold/BlackBlack
OSAndroidAndroid
Dimensions (width x height x thickness)70.7mm x 148.6mm x 9.6mm73.3mm x 143.2mm x 10.5mm
Weight183.0g175.0g
Display size5.5inch5.0inch
Display typeIPS LCDIPS LCD
Screen resolution (width x height)480 x 960540 x 960
Pixel density195ppi220ppi
Battery capacity3000.0mAh2000.0mAh
CPU specs1.3GHz×4(4.0-cores)1.0GHz×2(2.0-cores)
RAM size1.0GB512.0MB
Storage size8.0GB4.0GB
Rear-camera resolution5.0MP15.0MP
Front-camera resolution2.0MP3.0MP

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