iMac 24 M5 · 32GB
M5 · 32GB
MacBook Air 15" (M4)
M4 · 15.3″ · Fanless · $1,199
MacBook Air 15" (M4) takes it — here’s why.
In our weighted Specdex score, iMac 24 M5 · 32GB lands at 92 and MacBook Air 15" (M4) at 93. That puts MacBook Air 15" (M4) ahead by 1 points — a narrow margin driven mostly by its strengths in the categories below.
Pick iMac 24 M5 · 32GB if…
- ✓M5 generation perf-per-watt leader
- ✓Larger unified memory ceiling
- ✓Improved ray-tracing iGPU
Pick MacBook Air 15" (M4) if…
- ✓Silent fanless M4
- ✓Excellent battery
- ✓Huge bright display
Winner by scenario
Derived from the sub-score breakdown · not a separate testPerformance
iMac 24 M5 · 32GBCPU + GPU muscle for demanding work
iMac 24 M5 · 32GB leads on gpu (90 vs 84).
Battery life
TieUnplugged endurance for travel and campus
Effectively tied — neither pulls a 2-point weighted lead.
Portability
MacBook Air 15" (M4)Weight, size, and carry-everywhere comfort
MacBook Air 15" (M4) leads on portability (94 vs 90).
Display
iMac 24 M5 · 32GBPanel quality for creative and media work
iMac 24 M5 · 32GB leads on display (92 vs 88).
Value for money
MacBook Air 15" (M4)Specdex score per dollar at MSRP
MacBook Air 15" (M4) more score per dollar ($1,199 vs $1,699).
Score breakdown
Specs side-by-side
| Spec | iMac 24 M5 · 32GB | MacBook Air 15" (M4) |
|---|---|---|
| Chip | M5 | Apple M4 (10C CPU / 10C GPU) |
| RAM | ▲ 32GB | 16/24/32 GB |
| Release year | 2025 | — |
| OS | macOS 16 | — |
| Storage | — | 256 GB – 2 TB |
| Display | — | 15.3″ Liquid Retina 2880×1864 |
| Weight | — | 1.51 kg |
iMac 24 M5 · 32GB
- +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" (M4)
- +Silent fanless M4
- +Excellent battery
- +Huge bright display
- −Only 2 TB3 ports
- −Single external display (M4 base)
- −No ProMotion
FAQ: iMac 24 M5 · 32GB vs MacBook Air 15" (M4)
Which is better, iMac 24 M5 · 32GB or MacBook Air 15" (M4)? +
MacBook Air 15" (M4) scores 93 on our weighted rubric — ahead by 1. Your best pick depends on the sub-scores above.
Is iMac 24 M5 · 32GB worth the price? +
At $1,699, iMac 24 M5 · 32GB delivers a Specdex score of 92 — strongest in battery.
Is MacBook Air 15" (M4) worth the price? +
At $1,199, MacBook Air 15" (M4) delivers a Specdex score of 93 — strongest in battery.
Does iMac 24 M5 · 32GB or MacBook Air 15" (M4) 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 performance, iMac 24 M5 · 32GB or MacBook Air 15" (M4)? +
iMac 24 M5 · 32GB — leads on gpu (90 vs 84). CPU + GPU muscle for demanding work.
Which is better for portability, iMac 24 M5 · 32GB or MacBook Air 15" (M4)? +
MacBook Air 15" (M4) — leads on portability (94 vs 90). Weight, size, and carry-everywhere comfort.