MacBook Air 15″ (2026) · M5 · 16 GB / 512 GB
CPU index
203
×2.03 vs M1
GPU index
253
×2.53 vs M1
Memory
16
GB unified
Storage
512
512 GB
Bandwidth
153
GB/s
This MacBook Air 15″ configuration uses the M5 (10-CPU/10-GPU) with 16 GB unified memory and 512 GB storage. On MacDiff its CPU index is 203 (×2.03 vs the entry-level M1 Air) and its GPU index is 253 (×2.53). The origin of the scale is the 2020 MacBook Air M1 at 100/100 — MacDiff’s own relative units, not Geekbench or Apple scores.
This is the only MacBook Air 15″ configuration in the MacDiff catalog right now.
Family: MacBook Air. Released 2026. Apple date: 2026-03-11. Compare it with other Macs on the compare tool, or read how the index is built on the methodology page.
Configurations
| Chip | CPU / GPU | CPU | GPU | Mem | Storage | From | |
|---|---|---|---|---|---|---|---|
| M5 (10-CPU/10-GPU)this page | 203 | 253 | 16 GB | 512 GB | $1299 | Compare |
Specifications
- Weight
- 1.51 kg
- Wi‑Fi
- Wi-Fi 7 (802.11be)
- Bluetooth
- 6
- Display
- 15.3-inch Liquid Retina display
Related in MacBook Air
FAQ — MacBook Air 15″ on MacDiff
What is the CPU index of this MacBook Air 15″?
This configuration (M5 (10-CPU/10-GPU)) has a CPU index of 203, about ×2.03 the MacBook Air M1 baseline of 100 on MacDiff.
What is the GPU index?
GPU index 253 (≈ ×2.53 vs M1). Indices are relative references, not raw Geekbench scores.
How does it compare to the MacBook Air M1?
Relative to the fixed MacDiff baseline (100/100), this page shows roughly ×2.03 CPU and ×2.53 GPU for the selected memory/storage config. Use Compare to stack it against other Macs.