iPhone X vs iPhone 15. Which Should You Choose in 2025?

Introduction

The iPhone X vs iPhone 15 debate has gained significant traction as Apple’s latest flagship continues to redefine what a smartphone can do. The launch of the iPhone 15 has brought exciting advancements in performance, camera quality, and durability, making it an attractive upgrade for tech enthusiasts. But for many buyers, the question remains: does the iPhone X, a device that revolutionized smartphones when it debuted in 2017, still hold its own today?

When considering iPhone X vs iPhone 15, it’s important to look beyond the hype. While the iPhone 15 showcases the latest in Apple’s innovation, the iPhone X continues to offer excellent value for those who prioritize affordability without sacrificing too much on quality. This is especially true when choosing a certified pre-owned iPhone X from Plug, which provides a budget-friendly yet reliable alternative.

In this blog, we will explore the key differences between iPhone X vs iPhone 15, diving deep into aspects such as design, display, performance, camera systems, and battery life. We’ll also highlight the advantages of choosing certified pre-owned devices from Plug, which make owning a high-quality iPhone more accessible and environmentally friendly. Whether you’re upgrading from an older model or trying to decide between the two, this comprehensive comparison of iPhone X vs iPhone 15 will guide you in making the best choice for your needs.

---

Design and Build

When comparing iPhone X vs iPhone 15, design and build quality are among the first aspects that stand out. Both devices reflect Apple’s dedication to sleek aesthetics and premium materials, but there are notable differences that set them apart.

The iPhone 15 sports an aluminum frame combined with a durable glass back, offering a lightweight yet robust build. A significant upgrade comes in the form of the Ceramic Shield front cover, which Apple claims is one of the toughest smartphone glasses available today. This makes the iPhone 15 more resilient against drops and scratches, enhancing its durability for daily use.

On the other hand, the iPhone X features a stainless steel frame with a glass front and back. The stainless steel lends the device a luxurious feel and slightly more heft compared to the lighter iPhone 15. However, the absence of Ceramic Shield means the iPhone X may be more prone to cracks or scratches if dropped, emphasizing the need for protective accessories.

Water and dust resistance are also crucial in the iPhone X vs iPhone 15 comparison. The iPhone 15 carries an IP68 rating, allowing it to withstand submersion in up to six meters of water for up to 30 minutes. The iPhone X, by contrast, has an IP67 rating, protecting it against immersion in up to one meter of water for the same duration. While both offer sufficient protection for everyday scenarios like spills or rain exposure, the iPhone 15 provides an extra level of security for active lifestyles.

Both devices maintain the edge-to-edge display design and minimal bezels that Apple popularized, but the iPhone 15’s subtle refinements — such as improved ergonomics and contemporary color options — make it feel fresher and more modern.

In summary, in the iPhone X vs iPhone 15 matchup for design and build, the iPhone 15 takes the lead thanks to its lighter frame, enhanced durability with Ceramic Shield, and superior water resistance, though the iPhone X still exudes a premium feel that has aged well over time.

---

Display

A key part of the iPhone X vs iPhone 15 discussion revolves around display quality. Both devices excel in delivering vibrant visuals, but the newer iPhone 15 offers a more advanced and immersive experience.

The iPhone X debuted Apple’s Super Retina OLED display, which was a game-changer in 2017. Its 5.8-inch screen, with a resolution of 1125 x 2436 pixels, introduced stunning colors, deep blacks, and HDR10 support. Even today, the iPhone X’s display remains sharp and enjoyable for browsing, social media, and streaming content.

However, the iPhone 15 steps things up with a 6.1-inch Super Retina XDR display, offering improved brightness, contrast, and energy efficiency. In addition to HDR10, it supports Dolby Vision, ensuring more vibrant colors and better HDR performance in both videos and photos. The increased peak brightness also makes it easier to use outdoors under direct sunlight, a notable advantage in day-to-day use.

In the iPhone X vs iPhone 15 display comparison, the newer model provides a larger and more immersive screen without compromising on comfort or usability. The improved energy efficiency contributes to better battery life, while the enhanced visuals make it particularly appealing for gamers, photographers, and video enthusiasts.

For most casual users, the iPhone X’s display will still suffice for everyday needs. However, for those who demand top-tier visuals and a richer multimedia experience, the iPhone 15 stands out as the clear winner in the iPhone X vs iPhone 15 contest.

---

Performance

The performance gap in the iPhone X vs iPhone 15 debate is significant and worth considering for anyone planning an upgrade. While the iPhone X was a powerhouse at its release, powered by the A11 Bionic chip with a 6-core CPU and 3-core GPU, advancements in both hardware and software over the years have left it trailing behind Apple’s latest offerings.

The iPhone 15 is equipped with the A16 Bionic chip, which features a 6-core CPU, a 5-core GPU, and a powerful 16-core Neural Engine. This leap in technology translates to smoother performance, faster app launches, and the ability to handle demanding tasks such as console-level gaming, video editing, and advanced computational photography with ease. The Neural Engine also plays a vital role in powering on-device AI features like real-time language translation, photo recognition, and smarter battery optimization.

In real-world use, the difference between iPhone X vs iPhone 15 is immediately noticeable. The iPhone 15 operates more efficiently, consumes less power, and stays cooler even under heavy workloads. It’s built to support the latest apps and software updates for years to come, ensuring that it remains relevant well into the future.

Meanwhile, the iPhone X is still capable of handling basic daily tasks such as browsing, messaging, and casual app use, but it may struggle with the most resource-intensive modern applications. For users who prioritize cutting-edge performance and longevity, the iPhone 15 is the clear choice in the iPhone X vs iPhone 15 comparison.

---

Camera System

When it comes to photography, the iPhone X vs iPhone 15 comparison highlights just how far smartphone cameras have come. The iPhone X’s dual-camera system was groundbreaking in 2017, introducing features like Portrait Mode and optical image stabilization on both lenses. These capabilities allowed users to capture professional-looking photos in good lighting conditions.

However, the iPhone 15 has transformed mobile photography with its triple-camera setup, offering significant advancements in hardware and computational photography. Night Mode, available across all lenses, delivers vastly improved low-light photos, capturing more detail with less noise. Features like Deep Fusion and Smart HDR produce sharper, more vibrant images with balanced exposure and color accuracy.

Videography is another area where the iPhone X vs iPhone 15 difference is evident. The iPhone 15 supports higher-quality video recording with improved stabilization and a wider dynamic range, making it ideal for content creators and vloggers who need professional-level results directly from their smartphone.

For everyday photography in well-lit conditions, the iPhone X remains a reliable performer. However, for those who frequently shoot in challenging lighting environments or want to take advantage of advanced editing tools, the iPhone 15 is clearly the superior choice in the iPhone X vs iPhone 15 contest.

---

Battery Life

Battery performance is often a deciding factor in the iPhone X vs iPhone 15 decision. The iPhone X, being an older device, naturally shows signs of battery wear over time and can struggle to last through a full day of moderate use. Its A11 chip, while powerful in its era, is not as energy-efficient as newer processors.

The iPhone 15, equipped with the A16 Bionic chip, is designed to balance performance with energy efficiency. This means it can deliver excellent power while consuming less energy, resulting in longer battery life. Many users find the iPhone 15 comfortably lasts all day, even with heavy use like streaming, gaming, or video calls.

In the iPhone X vs iPhone 15 battery showdown, the newer model clearly comes out on top. It not only benefits from a newer battery but also from hardware and software optimizations that reduce energy drain. For users considering a pre-owned iPhone X, investing in a battery replacement can help extend its lifespan, but it still won’t match the endurance of the iPhone 15.

---

The Plug Advantage: Certified Pre-Owned Devices You Can Trust

The iPhone X vs iPhone 15 comparison isn’t just about specs and features; it’s also about finding the right balance between performance, cost, and sustainability. While the iPhone 15 represents the latest in Apple’s innovation, a certified pre-owned iPhone X from Plug offers an appealing alternative for budget-conscious buyers.

Purchasing a certified pre-owned device from Plug means significant cost savings without compromising on quality. Every phone undergoes a thorough inspection and testing process to ensure it meets strict performance standards. Additionally, Plug provides warranty coverage, offering peace of mind and ensuring that any unexpected issues are promptly addressed.

Another advantage of opting for a certified pre-owned device is its positive environmental impact. By extending the lifespan of existing smartphones, buyers help reduce electronic waste and the carbon footprint associated with manufacturing new devices.

For many consumers, this makes certified pre-owned devices not just a smart financial decision but also a responsible choice for the planet. Whether you choose an iPhone X vs iPhone 15 model, buying it through Plug means enjoying a reliable product at a fraction of the cost of a new phone, all while supporting sustainable practices.

---

Conclusion

In the iPhone X vs iPhone 15 debate, the iPhone 15 undeniably leads in terms of performance, camera quality, and battery efficiency. It’s the right choice for users who want the latest technology and plan to keep their phone for several years.

However, the iPhone X remains a strong contender for those who don’t need all the latest features and would prefer to save money while still enjoying a premium Apple experience. When purchased as a certified pre-owned device from Plug, the iPhone X offers excellent value and sustainability, making it a practical option for many buyers.

Ultimately, choosing between iPhone X vs iPhone 15 depends on your priorities — whether you seek cutting-edge innovation or a reliable, affordable alternative. Either way, Plug ensures that you get a quality device that suits your needs while contributing to a more sustainable future.