The iPhone 12 was fairly a leap in Apple’s smartphone portfolio. It launched numerous options that the iPhone lineup nonetheless hangs on to at present. It was additionally the technology to return again to squared-off, flat edges, that are nonetheless current within the newly-released iPhone 15 range.
It’s been three years already for the reason that premiere of iPhone 12, and in the event you purchased one at launch it might be getting somewhat drained now. Whether or not you’re considering of upgrading due to battery life points, slower efficiency, or just out of the necessity for one thing new and glossy, the brand new iPhone 15 certainly is likely one of the units in your radar.
Nonetheless, is it actually price spending all that cash on the latest iPhone 15? There’s plenty of discuss Apple slowing down innovation, particularly amongst lower-tier smartphones. How a lot has modified in comparison with the iPhone 12? Would shopping for an iPhone 15 be a waste of cash?
And that’s why you’re right here, as a result of we’ve taken the laborious work out of evaluating the iPhone 12 to the iPhone 15. We’ll try their specs, efficiency and options and clarify whether or not it’s best to improve, or perhaps maintain off for an additional yr.
iPhone 12 vs iPhone 15: Design
Let’s begin with the design. The iPhone 12 was the primary (for a very long time) to return flat sides. The identical core idea stays with the iPhone 15, however there have been some tweaks alongside the way in which.
First issues first, probably the most noticeable change is the display. The iPhone 12 nonetheless has a notch, which is now a factor of the previous in Apple smartphones. The iPhone 15 has lastly ditched the notch and launched Dynamic Island – beforehand solely on the iPhone 14 Professional fashions – to the common iPhone tier.
Additionally, you will discover a distinction within the show high quality, if not dimension. Each telephones have a 6.1″ OLED show with a 60Hz refresh charge, however the iPhone 15 will get a lot brighter, now reaching 2000 nits peak brightness, in comparison with the iPhone 12’s 1200 nits.

Yellow iPhone 15 (with Dynamic Island, as seen on the telephone to the proper)
Jason Snell
There are in fact a couple of extra variations. Regardless that the digital camera bump incorporates the identical variety of lenses (two), the iPhone 15’s bump is greater and a special form. We’ll get to cameras shortly however on the again of the iPhone, you’ll additionally discover matte glass, which appears to be like and feels fairly totally different to the shiny glass on the iPhone 12. Not a cause to improve, in fact.

Dominik Tomaszewski / Foundry
One other change that’s essential each design-wise, in addition to feature-wise is the change to USB-C. The Lightning port is lastly lifeless, so switching to iPhone 15 additionally means lastly ditching a proprietary connector. Sadly, although, it doesn’t imply fashionable information switch speeds. The iPhone 15 is proscribed to USB 2.0 speeds, which is precisely the identical because the outdated Lightning connector.
Most individuals don’t use a cable to switch information to or from their iPhone and depend on it for charging, so this isn’t actually an issue.
iPhone 12 vs iPhone 15: Efficiency
A 3-year hole ought to imply fairly a leap in efficiency, however there’s a key element that makes this bounce a smaller one than you would possibly suppose.
The issue is that between these two telephones, Apple has determined that common iPhones ought to have a generation-old chip. Due to this fact, whereas the iPhone 12 is supplied with an A14 Bionic, the iPhone 15 has an A16 inside: solely two generations aside.

Foundry
That is nonetheless a considerable distinction between the 2. iPhone 15 continues to be considerably quicker than its venerable predecessor, particularly in relation to GPU efficiency. This makes it higher for dealing with the most recent apps and video games, in addition to future working system updates.
On that notice, it’s additionally essential to keep in mind that the iPhone 15, being three years newer, will probably be getting software program updates for for much longer. iPhone 12 got here out with iOS 14, and with the discharge of the brand new iPhones ought to get upgraded to iOS 17. Meaning it’ll nonetheless be supported, however in all probability has solely 2-3 years of updates left. iPhone 15, alternatively, ought to get updates for round 5 years.
iPhone 12 vs iPhone 15: Cameras
Every year, digital camera techniques are one of the crucial talked about options of recent telephones, and never solely iPhones. When it was launched, the iPhone 12 was one of many images powerhouses, however digital camera know-how has been advancing quickly these previous couple of years.

Yellow iPhone 15.
Jason Snell
The iPhone 12 is supplied with two cameras, a essential 12-megapixel sensor and a 12-megapixel ultrawide. These are nonetheless nice shooters and can do you simply high quality every day. Nonetheless, the iPhone 15 takes it up a notch. It inherited the primary digital camera from the iPhone 14 Professional line, so it now has a 48-megapixel essential shooter, which is supported by a 12-megapixel ultrawide.
The primary digital camera is miles higher than what iPhone 12 has to supply. Paired with the brand new software program trickery that Apple employs, pictures through the day and at evening will probably be brighter, and sharper and offer you far more element. The 48-megapixel sensor within the new mannequin additionally means which you can rely far more on digital zoom, and even 2x zoom pictures needs to be extraordinarily sharp and have plentiful element.
iPhone 12 vs iPhone 15: Battery life
One of many few shortcomings of the iPhone 12 household was its battery life. It may not have been tragic, nevertheless it definitely was nothing to put in writing dwelling about. Nonetheless, with the iPhone 13 issues have been trying significantly better, and the iPhone 15 guarantees as much as 20 hours of video playback. That’s a mixture of an even bigger battery and a way more power-efficient processor.

Dominik Tomaszewski / Foundry
Nonetheless, there’s one facet that Apple continues to be trailing behind the competitors: battery charging. Each iPhone 12 and iPhone 15 assist solely 20W charging speeds and 15W wi-fi charging through a MagSafe connection. Meaning there’s no enchancment right here, regardless of three years to do one thing about it.
iPhone 12 vs iPhone 15: Options
We’ve already talked about three key options that the iPhone 15 improves on – its display (with Dynamic Island), essential digital camera and USB-C. Nonetheless, there are a couple of extra areas the place the brand new telephone will probably be a big improve.
First, the iPhone 15 has significantly better connectivity choices. it introduces Wi-Fi 6E and Bluetooth 5.3, in comparison with Wi-Fi 6 and Bluetooth 5.0 within the iPhone 12. What’s extra, it additionally has a more recent 5G chip, which isn’t solely extra power-efficient but additionally ensures higher connection and vary.

Apple
One other essential improve is that the iPhone 15 presents far more storage with its base mannequin. The iPhone 12 was the final telephone from Apple (aside from the SE vary) to begin with 64GB of storage, whereas the iPhone 15 within the least expensive configuration has 128GB. With its higher-res pictures, it’s a welcome change that makes certain you don’t instantly run out of area in your telephone.
However the iPhone 15 additionally has a couple of extra digital camera aces up its sleeve. In all probability probably the most noticeable is the next-generation portrait characteristic. It’s a means of taking portrait pictures that may be adjusted after the actual fact, with out the necessity to activate Portrait mode beforehand, so you’ll be able to select your topic and have an effect on what’s in focus and what’s not.
iPhone 12 vs iPhone 15: which is the higher telephone?
The iPhone 12 continues to be an amazing telephone. However in the event you’ve had yours for 3 years and are considering an improve, the brand new iPhone 15 does embrace important advantages: a greater digital camera, extra highly effective CPU, higher connectivity and for much longer battery life. There are additionally some creature comforts – USB-C port, Dynamic Island, and longer software program assist.
Nonetheless, all this doesn’t imply that you must improve proper now. in case you are nonetheless fully high quality together with your trusty iPhone 12, there’s nothing revolutionary or ground-breaking within the latest iPhone 15 that makes it vital. You are able to do nearly every part on the iPhone 12 which you can on the iPhone 15.
Watch Apple’s launch occasion for the iPhone 15 and also you’d suppose it was completely revolutionary. However in actuality, and as I stated firstly, the tempo of innovation is slowing down. The iPhone 15 has inherited options from the iPhone 14 and – by way of worth for cash – offers you greater than the iPhone 12 did three years in the past.
In the event you don’t personal both telephone and try to decide on, the obvious distinction is worth, particularly in the event you’re prepared to buy a refurbished phone: an iPhone 12 prices round £300 / $350, in comparison with the iPhone 15’s £799 / $799. (Simply don’t neglect that the bottom mannequin has double the storage of the iPhone 12.)
In the end, if cash have been no object, the iPhone 15 wins palms down: in fact it does. It’s a no brainer. And if do you personal an iPhone 12 which is creating any faults – otherwise you’re struggling to get via a day with out the battery operating out – then it’s straightforward to suggest upgrading to Apple’s newest mannequin.
And in the event you do resolve to purchase the iPhone 15, make sure to try our article the place we round up all the places where you can buy an iPhone 15. And to be barely controversial, why not check out one of many best Android phones as an alternative?