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Which should you buy, the iPhone 5s 16GB or iPhone 6s Plus 16GB? We offer a thorough comparison of the differences in functions, specifications and performance between the two

Created date: 02/24/2018, 23:40:43, Updated date: 04/04/2020, 08:47:40

iPhone 5s 16GBiPhone 6s Plus 16GB
iPhone 5s 16GBiPhone 6s Plus 16GB

Are you having trouble comparing the differences in features and performance of the iPhone 5s 16GB and iPhone 6s Plus 16GB, 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.

iPhone 5s 16GBiPhone 6s Plus 16GB
iPhone 5s 16GB

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iPhone 6s Plus 16GB

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General rating:
Portabilityrating-image4.6
92/100
rating-image2.9
58/100
Weightrating-image4.3
85/100
rating-image2.7
53/100
Size of screenrating-image2.9
58/100
rating-image4.1
82/100
Screen clarityrating-image3.4
67/100
rating-image4.3
85/100
Battery durationrating-image1.8
36/100
rating-image3.1
61/100
Processing capabilityrating-image1
6/100
rating-image1.2
24/100
Memory capacityrating-image1.0
20/100
rating-image2.5
50/100
Storage capacityrating-image2.5
50/100
rating-image2.5
50/100
Rear camera functionrating-image2.5
50/100
rating-image3.0
59/100
Front camera functionrating-image1
6/100
rating-image2.5
50/100

Compare Performance and Usability

Size comparison of iPhone 5s 16GB and iPhone 6s Plus 16GB. 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 iPhone 5s 16GB is 2.3inches (58.6mm) wide, 4.9inches (123.8mm) tall, and 0.3inches (7.6mm) thick. The iPhone 6s Plus 16GB is 3.1inches (77.9mm) tall, 6.2inches (158.2mm) wide, and 0.3inches (7.3mm) thick.

The iPhone 5s 16GB is also more compact than the iPhone 6s Plus 16GB in terms of the thickness of the devices. The iPhone 5s 16GB is easier than the iPhone 6s Plus 16GB 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 iPhone 5s 16GB rather than the iPhone 6s Plus 16GB.

Comparing the width and height of the devices, the iPhone 5s 16GB is more compact than the iPhone 6s Plus 16GB. The iPhone 5s 16GB is easier to carry around than the iPhone 6s Plus 16GB 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 iPhone 5s 16GB rather than the iPhone 6s Plus 16GB.

Comparing the overall sizes, the iPhone 5s 16GB is significantly smaller than the iPhone 6s Plus 16GB. The iPhone 5s 16GB is more convenient than the iPhone 6s Plus 16GB 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 iPhone 5s 16GB rather than the iPhone 6s Plus 16GB.

ScoreDimensions (width x height x thickness)
iPhone 5s 16GB92/1002.3inches (58.6mm) x 4.9inches (123.8mm) x 0.3inches (7.6mm)
iPhone 6s Plus 16GB58/1003.1inches (77.9mm) x 6.2inches (158.2mm) x 0.3inches (7.3mm)

Which one is easier to hold, iPhone 5s 16GB or iPhone 6s Plus 16GB? 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 iPhone 5s 16GB weighs 3.9oz (112g). The iPhone 6s Plus 16GB clocks in at 6.8oz (192g). If you compare the weight of the two, the iPhone 5s 16GB is a considerably lighter smartphone than the iPhone 6s Plus 16GB, with a difference of about 2.9oz (112g). Because of this, the iPhone 5s 16GB puts less of a burden on the fingers and wrists than the iPhone 6s Plus 16GB. 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 iPhone 5s 16GB rather than the iPhone 6s Plus 16GB.

ScoreWeight
iPhone 5s 16GB85/1003.9oz (112g)
iPhone 6s Plus 16GB53/1006.8oz (192g)

Which is better in terms of display, iPhone 5s 16GB or iPhone 6s Plus 16GB?

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 iPhone 5s 16GB is 4 inch, and 5.5 inch on the iPhone 6s Plus 16GB. Comparing the sizes of the screens and displays, the iPhone 6s Plus 16GB is considerably larger than the iPhone 5s 16GB, with a difference of about 1.5 inch. Compared to the iPhone 5s 16GB, the iPhone 6s Plus 16GB makes buttons in apps easier to press, and the visuals look more impressive in videos and games. The larger screen of the iPhone 6s Plus 16GB 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 iPhone 6s Plus 16GB rather than the iPhone 5s 16GB.

ScoreDisplay size
iPhone 5s 16GB58/1004 inch
iPhone 6s Plus 16GB82/1005.5 inch

Which one has a better display, iPhone 5s 16GB or iPhone 6s Plus 16GB?

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 iPhone 5s 16GB has a 640 x 1136 resolution and a pixel density of 325ppi. The iPhone 6s Plus 16GB, on the other hand, has a screen resolution of 1080 x 1920 and a pixel density of 400ppi. Comparing the screen definition, the iPhone 6s Plus 16GB has a much higher pixel density than the iPhone 5s 16GB, with a difference of about 75ppi. The screen on the iPhone 6s Plus 16GB is clear and crisp, and puts less strain on the eyes than that of the iPhone 5s 16GB. 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 iPhone 6s Plus 16GB rather than the iPhone 5s 16GB.

ScorePixel density
iPhone 5s 16GB67/100325ppi
iPhone 6s Plus 16GB85/100400ppi

How is the battery duration of iPhone 5s 16GB different from that of iPhone 6s Plus 16GB ? 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 iPhone 5s 16GB has a battery capacity of 1560mAh, while the iPhone 6s Plus 16GB has a 2750mAh battery. With regards to battery performance, the iPhone 6s Plus 16GB has a substantially larger battery capacity than the iPhone 5s 16GB, with a difference of 1190mAh. The iPhone 6s Plus 16GB can be used without charging for a longer time than the iPhone 5s 16GB, 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 iPhone 6s Plus 16GB rather than the iPhone 5s 16GB.

ScoreBattery capacity
iPhone 5s 16GB36/1001560mAh
iPhone 6s Plus 16GB61/1002750mAh

Which is better in terms of CPU function, iPhone 5s 16GB or iPhone 6s Plus 16GB?

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 iPhone 5s 16GB is equipped with a Apple A7 processor, and its performance speed is 1.3GHz×2(Dual core). The iPhone 6s Plus 16GB uses an Apple A9 CPU that performs at a speed of 1.85GHz×2(Dual core). Comparing CPU performance, the iPhone 6s Plus 16GB has significantly higher specs than the iPhone 5s 16GB. The iPhone 6s Plus 16GB proves to be more advanced than the iPhone 5s 16GB 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 iPhone 6s Plus 16GB rather than the iPhone 5s 16GB.

ScoreCPU specs
iPhone 5s 16GB6/1001.3GHz×2(Dual core)
iPhone 6s Plus 16GB24/1001.85GHz×2(Dual core)

How is iPhone 5s 16GB different from iPhone 6s Plus 16GB 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 iPhone 5s 16GB has 1GB of memory. The iPhone 6s Plus 16GB, on the other hand, has 2GB. As for memory performance, the iPhone 6s Plus 16GB has a larger memory capacity than the iPhone 5s 16GB, with a difference of about 1GB. The iPhone 6s Plus 16GB has better multitasking, less crashing, and runs 3D games and VR video better than the iPhone 5s 16GB. 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 iPhone 6s Plus 16GB rather than the iPhone 5s 16GB.

ScoreRAM size
iPhone 5s 16GB20/1001GB
iPhone 6s Plus 16GB50/1002GB

Which has a better storage capacity, iPhone 5s 16GB or iPhone 6s Plus 16GB?

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 iPhone 5s 16GB has 16GB of storage, while the iPhone 6s Plus 16GB has 16GB. There is no real difference between the iPhone 5s 16GBandiPhone 6s Plus 16GB'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
iPhone 5s 16GB50/10016GB
iPhone 6s Plus 16GB50/10016GB

Compare the rear cameras of iPhone 5s 16GB and iPhone 6s Plus 16GB. 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 iPhone 5s 16GB has 8 MP. The iPhone 6s Plus 16GB has 12 MP. Comparing the rear camera performance, the number of pixels of the iPhone 6s Plus 16GB is higher than the iPhone 5s 16GB, with a difference of approximately 4 MP. As a result, the iPhone 6s Plus 16GB can take higher quality scenery photos and make clear prints compared to the iPhone 5s 16GB. Therefore, the iPhone 6s Plus 16GB is recommended.

ScoreRear-camera resolution
iPhone 5s 16GB50/1008 MP
iPhone 6s Plus 16GB59/10012 MP

Which has a front camera with better picture quality, iPhone 5s 16GB or iPhone 6s Plus 16GB?

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 iPhone 5s 16GB has a resolution of 1.2 MP. The iPhone 6s Plus 16GB's has 5 MP. The front-facing camera of the iPhone 6s Plus 16GB has a significantly higher number of pixels than the iPhone 5s 16GB, with a difference of about 3.8 MP. Therefore, the iPhone 6s Plus 16GB is more suitable for taking photos and videos than the iPhone 5s 16GB. If you want to take and print high-quality selfies, we recommend buying the iPhone 6s Plus 16GB rather than the iPhone 5s 16GB.

ScoreFront-camera resolution
iPhone 5s 16GB6/1001.2 MP
iPhone 6s Plus 16GB50/1005 MP

Compare Performance Specs

iPhone 5s 16GBiPhone 6s Plus 16GB
ImageiPhone 5s 16GBiPhone 6s Plus 16GB
MakerAppleApple
BrandiPhoneiPhone
Release date9/20, 20139/25, 2015
Color/ // / /
OSiOSiOS
Dimensions (width x height x thickness)2.3inches (58.6mm) x 4.9inches (123.8mm) x 0.3inches (7.6mm)3.1inches (77.9mm) x 6.2inches (158.2mm) x 0.3inches (7.3mm)
Weight3.9oz (112g)6.8oz (192g)
Display size4 inch5.5 inch
Display typeRetina3D Touch Retina HD
Screen resolution (width x height)640 x 11361080 x 1920
Pixel density325ppi400ppi
Battery capacity1560mAh2750mAh
ChipsetApple A7Apple A9
CPU specs1.3GHz×2(Dual core)1.85GHz×2(Dual core)
RAM size1GB2GB
Storage size16GB16GB
Rear-camera resolution8 MP12 MP
Front-camera resolution1.2 MP5 MP

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