When you come across a refurbished iPhone 7 or iPhone 7 Plus at a low price, the instinct is to wonder which one is still worth it. Both share the same Apple A10 Fusion chip, the same Lightning connector, and the same software status: iOS 15 in its final version, with no possibility of upgrading to iOS 16 or beyond.
The real differences lie in screen size, camera module, and battery life—three parameters that radically change the daily experience.
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Dual camera of the iPhone 7 Plus: a real gain or a dated gadget?
The iPhone 7 Plus features a dual-lens main camera, combining a wide-angle and a telephoto lens that offers a 2x optical zoom. In practice, this means you can frame a distant subject without losing sharpness, while the iPhone 7 is limited to digital zoom, which quickly degrades the image.
In low-light conditions, feedback varies on this point, but the 7 Plus achieves a slightly higher DxOMark Mobile score. The difference remains modest in broad daylight. However, the Portrait mode (bokeh effect), exclusive to the 7 Plus due to its dual camera, remains the most visible argument for anyone who regularly posts photos.
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The iPhone 7 is not a bad photographer either. It produces very decent shots outdoors. If photography is not a priority, you can compare the iPhone 7 and iPhone 7 Plus from other angles before making a decision.
4.7-inch Retina display vs. 5.5-inch: daily usability comfort
The iPhone 7 has a 4.7-inch screen with a resolution of 750 x 1334 pixels and a density of 326 ppi. The 7 Plus has a 5.5-inch display, showing 1080 x 1920 pixels and reaching 401 ppi. On a web page or a messaging feed, the difference in readability is immediate.
For navigating tables, reading PDFs, or watching videos, the 7 Plus offers a comfort that the smaller model cannot match. In return, you transition from a compact and lightweight device to a significantly bulkier one.
Weight and bulk in your pocket
The iPhone 7 weighs about 138 g, while the 7 Plus weighs 188 g. Fifty grams more is noticeable in a pair of jeans or a running armband. For those who want a phone that can be used with one hand, the 4.7-inch model remains the logical choice.
The overall volume of the 7 Plus is significantly larger. If you’re looking for a discreet smartphone to slip into a jacket pocket or a small bag, the standard model has a clear advantage.
Battery life and RAM: the gaps that technical specs hide poorly
The battery of the iPhone 7 Plus has a much higher capacity than that of the iPhone 7. In versatile use, this translates to several extra hours of operation during the day, even if the gap remains moderate for simple tasks like calling or messaging.
In terms of RAM, the 7 Plus has 3 GB compared to 2 GB for the standard model. This difference is felt when switching between multiple open applications: the 7 Plus reloads Safari tabs or conversation threads less often. On a device of this generation, every gigabyte counts.
- The iPhone 7 Plus lasts significantly longer in video playback and web browsing thanks to its more generous battery.
- The extra gigabyte of RAM in the 7 Plus reduces background app reloads, providing a comfortable multitasking experience.
- Both models share the same A10 Fusion chip with four cores, so the raw performance in gaming or processing is nearly identical.
Refurbished iPhone 7 in 2025: what to check before buying
Both models are now classified as vintage devices by Apple. In practical terms, access to spare parts and official repairs is becoming increasingly limited. Before purchasing a refurbished unit, there are a few points that deserve serious checking.
- Battery condition: an iPhone 7 or 7 Plus with a maximum capacity below 80% loses battery life and may shut down abruptly under heavy load.
- Application compatibility: without iOS 16, some recent apps refuse to install. Check that your banking and messaging apps still work under iOS 15.
- Security updates: Apple continues to release occasional security patches for iOS 15, but these patches are becoming rarer. Protection against recent vulnerabilities is no longer guaranteed in the medium term.
- Connectivity: both models are limited to 4G LTE. If your carrier starts reducing its 4G coverage in favor of 5G, connection quality could degrade in certain areas.
Which model to choose based on usage
For secondary use (backup phone, dedicated music device via Lightning, car GPS), the standard iPhone 7 is more than sufficient and costs less to purchase. Its compact format makes it practical as a second device.
For daily use, even if limited (browsing, photography, social media), the 7 Plus offers a screen comfort and battery life that justify the extra cost. The dual camera remains a valuable bonus for family or travel photos.
Both iPhones share the same end of software support date and the same Lightning connector. The choice thus boils down to a trade-off between compactness and visual comfort, between a tight budget and photographic versatility. In a refurbished market where the price gap between the two models has narrowed, the 7 Plus often represents the best performance/price ratio for those who accept its larger size.