Dell
Dell XPS 15 (2025)
Core Ultra 9 · RTX 4070 · 15.6″ OLED
90
/ 100
From $2,499
VS
Mac Studio M5 Ultra · 16GB wins by 8
Apple
Mac Studio M5 Ultra · 16GB
M5 Ultra · 16GB
98
/ 100
From $4,199
Specdex verdict
Mac Studio M5 Ultra · 16GB takes it — here’s why.
In our weighted Specdex score, Dell XPS 15 (2025) lands at 90 and Mac Studio M5 Ultra · 16GB at 98. That puts Mac Studio M5 Ultra · 16GB ahead by 8 points — a decisive margin driven mostly by its strengths in the categories below.
Pick Dell XPS 15 (2025) if…
- ✓Stunning 15.6″ OLED
- ✓Best-in-class build
- ✓Solid creator performance
Pick Mac Studio M5 Ultra · 16GB if…
- ✓M5 generation perf-per-watt leader
- ✓Larger unified memory ceiling
- ✓Improved ray-tracing iGPU
Dell XPS 15 (2025) 90
vs 98 Mac Studio M5 Ultra · 16GB
Score breakdown
Dell XPS 15 (2025)
90 cpu 92
gpu 88
display 96
battery 80
portability 86
Mac Studio M5 Ultra · 16GB
98 cpu 98
gpu 96
display 92
battery 96
portability 90
Specs side-by-side
| Spec | Dell XPS 15 (2025) | Mac Studio M5 Ultra · 16GB |
|---|---|---|
| CPU | Intel Core Ultra 9 285H | — |
| GPU | RTX 4070 Laptop | — |
| RAM | ▲ Up to 64 GB | 16GB |
| Storage | Up to 4 TB | — |
| Display | 15.6″ OLED 3456×2160 | — |
| Weight | 1.92 kg | — |
| Chip | — | M5 Ultra |
| Release year | — | 2025 |
| OS | — | macOS 16 |
Dell XPS 15 (2025)
Pros
- +Stunning 15.6″ OLED
- +Best-in-class build
- +Solid creator performance
Cons
- −Thermals can spike
- −Only 2× USB-C
- −Battery trails MacBook
Mac Studio M5 Ultra · 16GB
Pros
- +M5 generation perf-per-watt leader
- +Larger unified memory ceiling
- +Improved ray-tracing iGPU
Cons
- −macOS-only
- −Memory non-upgradable
- −High-end configs expensive
FAQ: Dell XPS 15 (2025) vs Mac Studio M5 Ultra · 16GB
Which is better, Dell XPS 15 (2025) or Mac Studio M5 Ultra · 16GB? +
Mac Studio M5 Ultra · 16GB scores 98 on our weighted rubric — ahead by 8. Your best pick depends on the sub-scores above.
Is Dell XPS 15 (2025) worth the price? +
At $2,499, Dell XPS 15 (2025) delivers a Specdex score of 90 — strongest in display.
Is Mac Studio M5 Ultra · 16GB worth the price? +
At $4,199, Mac Studio M5 Ultra · 16GB delivers a Specdex score of 98 — strongest in cpu.
Does Dell XPS 15 (2025) or Mac Studio M5 Ultra · 16GB 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.