Dell XPS vs MacBook Air

Performance is weighted as a critical criterion because it determines how quickly and smoothly everyday and demanding tasks complete on a laptop you will use for years.

The MacBook Air M3 scores 9/10. Apple's M3 chip uses a 3nm fabrication process with an 8-core CPU and 10-core GPU. In multi-core benchmarks, it consistently outperforms Intel's Core Ultra 7 155H by approximately 15 to 20% in raw throughput and by roughly 40% when measured per watt. The unified memory architecture means the CPU, GPU and Neural Engine all share the same memory pool without the latency of copying data between them. For tasks like photo editing, light video work and code compilation, the M3 feels noticeably snappier.

The Dell XPS 13 scores 8/10. Intel's Core Ultra 7 155H is a capable processor with integrated Arc graphics and a dedicated NPU for AI tasks. It handles everyday productivity, web browsing and media consumption with ease. Where it falls behind is in sustained performance: the chip draws more power and generates more heat under load, which triggers fan noise and can lead to thermal throttling during extended demanding tasks.

Battery life is rated critical because a portable laptop that dies mid-afternoon forces you to change how and where you work. The gap between these two laptops is substantial.

The MacBook Air M3 scores 10/10. Apple quotes up to 18 hours for video playback, and in real-world mixed use including web browsing, document editing, email and occasional video calls, 14 to 16 hours is consistently achievable. The M3's efficiency means the MacBook sips power even during moderately demanding tasks. You can genuinely leave the charger at home for a full day.

The Dell XPS 13 scores 7/10. Dell quotes up to 12 hours, and real-world mixed use typically delivers 8 to 10 hours. This is respectable for a Windows ultrabook but noticeably behind the MacBook. The Intel processor's higher power draw under load means battery life drops more sharply when multitasking or running heavier applications.

The MacBook Air M3 scores 9/10. Its 13.6-inch Liquid Retina display runs at 2560x1664, producing sharp text and detailed images. It covers the full P3 colour gamut, which benefits photo editing and media consumption. Brightness peaks at 500 nits, which handles most indoor and outdoor conditions comfortably. True Tone adjusts colour temperature based on ambient lighting, reducing eye strain during long sessions.

The Dell XPS 13 scores 8/10. Its 13.4-inch display at 1920x1200 (FHD+) is sharp for its size but noticeably lower resolution than the MacBook. Colour accuracy is good but limited to the sRGB gamut in the base configuration. The optional OLED upgrade significantly improves colour and contrast but adds to the price and reduces battery life. At the base configuration, the MacBook's display is the stronger panel.

The MacBook Air M3 scores 9/10. The unibody aluminium chassis feels solid and premium. The keyboard uses Apple's refined scissor-switch mechanism with consistent key travel and a quiet typing feel. The Force Touch trackpad is the largest and most responsive in any laptop, supporting haptic feedback and pressure-sensitive gestures. The fanless design means no moving parts, which contributes to long-term reliability.

The Dell XPS 13 scores 8/10. Dell has refined the XPS line into one of the best-built Windows laptops available. The chassis uses a combination of aluminium and carbon fibre that feels premium and weighs slightly less than the MacBook at 1.17 kg vs 1.24 kg. The keyboard is snappy and responsive with good key travel. The trackpad is good but smaller and less precise than Apple's. The inclusion of a fan, while necessary for the Intel processor, adds a moving part that can develop noise over time.

Both laptops score 8/10 for value, but for different reasons. At approximately £1099, they share the same starting price. The MacBook Air M3 starts with 8GB of unified memory and 256GB of storage, while the Dell XPS 13 typically offers 16GB of RAM and 512GB of storage at the same price. On paper, the Dell offers more storage and memory for the money.

However, the MacBook's unified memory architecture means 8GB performs more efficiently than 8GB of traditional RAM, and Apple's resale value advantage effectively reduces the total cost of ownership. After two years, a MacBook Air typically retains 60 to 70% of its value, while the Dell XPS 13 retains 40 to 50%. If you plan to sell or trade in your laptop when upgrading, the MacBook's stronger resale value narrows the gap significantly.