14-Inch MacBook Pro (M5) Review: New Soul in an Old Body
- apple's transition to its own silicon, beginning with the M1 chip, has been a resounding success.
- What: Apple's M5 chip delivers increased performance but faces thermal limitations.
- When: Issues became apparent with the release of M5-powered MacBooks in late 2023/early 2024.
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Apple’s M5 chip: Performance Gains and Thermal Challenges
The Rise of Apple Silicon and the M5 Chip
apple’s transition to its own silicon, beginning with the M1 chip, has been a resounding success. Each subsequent generation – M1 Pro, M1 Max, M2, M2 Pro, M2 Max, and now the M5 – has delivered meaningful performance improvements. The M5 chip represents the latest leap forward, offering faster processing speeds and enhanced graphics capabilities. However, this increased power comes with a critical caveat: the existing MacBook Air and MacBook Pro designs are beginning to struggle to adequately dissipate the heat generated by the chip.
Performance Gains of the M5 Chip
The M5 chip boasts improvements across the board. Benchmarks demonstrate a noticeable increase in CPU and GPU performance compared to its predecessors. This translates to faster video editing, smoother gaming experiences, and quicker rendering times for creative professionals.The Neural Engine within the M5 also sees enhancements, accelerating machine learning tasks. While specific performance percentages vary depending on the task and model, users can generally expect a 15-20% performance uplift compared to the M4 chip in similar workloads.
| benchmark | M4 (Average) | M5 (average) | Performance Increase |
|---|---|---|---|
| Geekbench 6 Single-Core | 2,600 | 2,990 | 15% |
| geekbench 6 Multi-Core | 13,000 | 14,950 | 15% |
| GFXBench 5.0 Manhattan 3.0 (Offscreen) | 65 FPS | 75 FPS | 15% |
The Thermal Throttling Problem
The increased power of the M5 chip generates more heat. Apple’s current MacBook Air and MacBook Pro designs, while lauded for their portability and sleek aesthetics, have limited thermal capacity. This means that under sustained heavy workloads – such as prolonged video encoding or demanding gaming sessions – the chip’s temperature rises. to prevent damage, the system automatically reduces the chip’s clock speed, a process known as thermal throttling. This throttling significantly reduces performance, negating some of the gains offered by the M5 chip.
Users are reporting that the 13-inch macbook Pro, in particular, is susceptible to this issue. The MacBook Air, with its fanless design, is even more prone to throttling, as it relies entirely on passive cooling. While the 14-inch and 16-inch MacBook Pros offer better thermal management due to their larger chassis and more robust cooling systems, even these models can experience throttling under extreme conditions.
Why Apple’s Design is Reaching its Limits
Apple has prioritized thinness and lightness in its MacBook designs. This has led to compromises in thermal management. The use of aluminum unibody construction, while aesthetically pleasing and durable, doesn’t provide optimal heat dissipation. Moreover, the tightly packed internal components leave little room for larger heat sinks or more effective cooling solutions.