Refurbished iPhone 12 vs iPhone 13 UK: Which to Buy?

Trying to decide between a refurbished iPhone 12 vs iPhone 13 UK? You're not alone — both models sit at the sweet spot of the refurbished Apple market, offering OLED displays, 5G, and Apple's polished iOS experience at prices hundreds of pounds below flagship. But they are not the same phone. This guide breaks down every meaningful difference so you can make the right call for your budget and lifestyle.

Both models are available at refurb-phone.com, tested, graded, and ready to use on any UK network.

Quick Verdict

For most UK buyers, the refurbished iPhone 13 is the better long-term investment. It delivers noticeably longer battery life, a significantly upgraded camera system, and a more powerful chip — all for a premium that, at refurbished prices, is smaller than you might expect. If your budget is tight, the iPhone 12 remains a genuinely excellent smartphone. But if you can stretch to the 13, you'll feel the difference every single day.

Refurbished iPhone 12 vs iPhone 13 UK: Key Specs at a Glance

Design and Display

Both phones share the same flat-edged aluminium-and-glass design Apple introduced with the iPhone 12 generation. At a glance — and in hand — they are virtually identical. Both feature a 6.1-inch Super Retina XDR OLED panel with 460 ppi pixel density, Face ID, and MagSafe. The iPhone 13's notch is around 20% smaller, though in everyday use this is a minor distinction.

Screen Brightness

The one display upgrade that makes a practical difference is brightness. The iPhone 13 reaches 800 nits in typical use versus 625 nits on the iPhone 12. That extra luminance is noticeable when you're outdoors on a sunny day — reading Google Maps, checking a boarding pass, or viewing photos in direct sunlight is genuinely easier on the 13. Indoors or in typical UK lighting, both screens look sharp and vivid.

Performance: A14 Bionic vs A15 Bionic

The iPhone 12's A14 Bionic was Apple's fastest chip in 2020 and still handles everyday tasks without hesitation. Browsing, social media, streaming, messaging — all feel smooth and responsive. Where the iPhone 13's A15 Bionic pulls ahead is in graphics-intensive tasks such as gaming, video editing, and augmented reality, where it delivers roughly 20% better GPU performance.

Equally important is longevity. The A15 Bionic is the same chip used in the iPhone 14, giving it an extra year's relevance in Apple's update cycle. If you plan to keep your phone for four or five years, the A15 gives you a meaningful head start on future-proofing.

Camera: The Biggest Real-World Difference

The camera system is where the iPhone 13 pulls most clearly ahead — and where buyers who care about photos and video will feel the upgrade most strongly.

Main Camera

Both phones use a 12MP main sensor, but the iPhone 13 adopts sensor-shift optical image stabilisation (OIS) — the same technology Apple previously reserved for the iPhone 12 Pro Max. Rather than moving the lens element, sensor-shift moves the image sensor itself, resulting in sharper low-light shots and more stable handheld video. The iPhone 13 also carries a slightly wider f/1.5 aperture versus f/1.6 on the 12, letting in more light. In bright conditions the difference is subtle; in a dim restaurant or at an evening event, the iPhone 13 produces meaningfully cleaner, more detailed images.

Video Recording

Both phones shoot 4K Dolby Vision video, but the iPhone 13 adds two significant upgrades: 4K at 60fps (the iPhone 12 is limited to 4K/30fps in Dolby Vision) and Cinematic Mode — automatic rack-focusing in video that creates a film-like depth-of-field effect. For parents filming children, travellers documenting adventures, or anyone who creates social content, Cinematic Mode alone is a compelling reason to choose the 13.

Battery Life

Battery life is one of the most tangible, day-to-day differences between these two models. Apple rates the iPhone 12 for up to 17 hours of video playback and the iPhone 13 for up to 19 hours — a full two hours more. In real-world mixed use, the 13 comfortably lasts a full working day while the 12 can struggle on heavier days. For commuters, frequent travellers, or anyone who has watched their phone dip into red before dinner, this improvement will be felt immediately.

Software Support and Longevity

Both phones received iOS 18 and are expected to receive iOS 19 in autumn 2026. The iPhone 13, being one generation newer, is more likely to receive iOS 20 and potentially beyond. Apple typically supports iPhones for five to six years, meaning a refurbished iPhone 12 purchased today should remain current until at least 2026–2027, while the iPhone 13 can reasonably be expected to receive updates through 2028 or later. For maximum software longevity, the iPhone 13 is the stronger choice.

UK Refurbished Pricing in 2026

Refurbished prices move with market supply, but typical UK Grade A asking prices in mid-2026 are:

The price gap between a refurbished iPhone 12 and iPhone 13 is typically £80–£120 for equivalent storage. When you weigh up the improvements in battery, camera, chip performance, and software longevity, most buyers will find that premium well justified. Browse both models at refurb-phone.com — all devices are unlocked, come with a warranty, and include free UK delivery.

Who Should Buy the Refurbished iPhone 12?

• Budget is the primary concern and every pound counts
• You replace your phone every two to three years anyway
• Primary use is calls, messaging, browsing, and social media
• You prefer a lighter phone — the 12 weighs 10g less
• You want a capable 5G Apple phone at the lowest possible outlay

Who Should Buy the Refurbished iPhone 13?

• You want the best battery life in this price bracket
• You shoot photos or video regularly, especially in low light
• You want Cinematic Mode and true 4K/60fps video
• You plan to keep the phone for four or five years
• You want maximum peace of mind on iOS update longevity
• The price difference fits comfortably within your budget

Where to Buy Refurbished iPhones in the UK

For trusted, professionally tested refurbished stock with a warranty and free delivery, visit refurb-phone.com. We carry both the iPhone 12 and iPhone 13 across a full range of storage capacities and grades, all fully unlocked and ready to use on any UK network including EE, O2, Vodafone, and Three.