iMac 24 M5 · 64GB
M5 · 64GB
MacBook Air 15" (M5)
M5 · 15.3″ Liquid Retina · 1.51 kg
MacBook Air 15" (M5) takes it — here’s why.
In our weighted Specdex score, iMac 24 M5 · 64GB lands at 92 and MacBook Air 15" (M5) at 94. That puts MacBook Air 15" (M5) ahead by 2 points — a narrow margin driven mostly by its strengths in the categories below.
Pick iMac 24 M5 · 64GB if…
- ✓M5 generation perf-per-watt leader
- ✓Larger unified memory ceiling
- ✓Improved ray-tracing iGPU
Pick MacBook Air 15" (M5) if…
- ✓Larger 15.3″ panel at 2880×1864
- ✓10-core CPU + 10-core GPU standard
- ✓Up to 18 hours video playback
Winner by scenario
Derived from the sub-score breakdown · not a separate testPerformance
TieCPU + GPU muscle for demanding work
Effectively tied — neither pulls a 2-point weighted lead.
Battery life
TieUnplugged endurance for travel and campus
Effectively tied — neither pulls a 2-point weighted lead.
Portability
iMac 24 M5 · 64GBWeight, size, and carry-everywhere comfort
iMac 24 M5 · 64GB leads on portability (90 vs 88).
Display
iMac 24 M5 · 64GBPanel quality for creative and media work
iMac 24 M5 · 64GB leads on display (92 vs 90).
Value for money
MacBook Air 15" (M5)Specdex score per dollar at MSRP
MacBook Air 15" (M5) more score per dollar ($1,299 vs $2,099).
Score breakdown
Specs side-by-side
| Spec | iMac 24 M5 · 64GB | MacBook Air 15" (M5) |
|---|---|---|
| Chip | M5 | Apple M5 chip (10-core CPU, 10-core GPU) |
| RAM | ▲ 64GB | 16 GB unified (base) |
| Release year | 2025 | — |
| OS | macOS 16 | macOS 16 |
| Storage | — | 512 GB / 1 / 2 / 4 TB SSD |
| Display | — | 15.3″ IPS LED, 2880×1864 at 224 ppi |
| Battery (video) | — | Up to 18 hours |
| Battery (web) | — | Up to 15 hours |
| Weight | — | 1.51 kg |
| Ports | — | MagSafe 3, 2× Thunderbolt 4, 3.5 mm |
iMac 24 M5 · 64GB
- +M5 generation perf-per-watt leader
- +Larger unified memory ceiling
- +Improved ray-tracing iGPU
- −macOS-only
- −Memory non-upgradable
- −High-end configs expensive
MacBook Air 15" (M5)
- +Larger 15.3″ panel at 2880×1864
- +10-core CPU + 10-core GPU standard
- +Up to 18 hours video playback
- −Heavier at 1.51 kg
- −2× Thunderbolt 4 (not TB5)
- −No ProMotion
FAQ: iMac 24 M5 · 64GB vs MacBook Air 15" (M5)
Which is better, iMac 24 M5 · 64GB or MacBook Air 15" (M5)? +
MacBook Air 15" (M5) scores 94 on our weighted rubric — ahead by 2. Your best pick depends on the sub-scores above.
Is iMac 24 M5 · 64GB worth the price? +
At $2,099, iMac 24 M5 · 64GB delivers a Specdex score of 92 — strongest in battery.
Is MacBook Air 15" (M5) worth the price? +
At $1,299, MacBook Air 15" (M5) delivers a Specdex score of 94 — strongest in battery.
Does iMac 24 M5 · 64GB or MacBook Air 15" (M5) last longer? +
Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.
Which is better for portability, iMac 24 M5 · 64GB or MacBook Air 15" (M5)? +
iMac 24 M5 · 64GB — leads on portability (90 vs 88). Weight, size, and carry-everywhere comfort.
Which is better for display, iMac 24 M5 · 64GB or MacBook Air 15" (M5)? +
iMac 24 M5 · 64GB — leads on display (92 vs 90). Panel quality for creative and media work.