Valve Steam Deck OLED (512 GB)
Zen 2 (6nm Sephiroth) · 7.4″ HDR OLED · 90 Hz
ASUS ROG Ally X
Z1 Extreme · 7″ 120Hz · 80Wh battery
Valve Steam Deck OLED (512 GB) takes it — here’s why.
In our weighted Specdex score, Valve Steam Deck OLED (512 GB) lands at 91 and ASUS ROG Ally X at 89. That puts Valve Steam Deck OLED (512 GB) ahead by 2 points — a narrow margin driven mostly by its strengths in the categories below.
Pick Valve Steam Deck OLED (512 GB) if…
- ✓7.4″ HDR OLED at 90 Hz
- ✓6 nm "Sephiroth" APU revision improves efficiency
- ✓Best Linux gaming experience + strong emulation support
Pick ASUS ROG Ally X if…
- ✓80 Wh battery — longest in handheld class
- ✓24 GB LPDDR5X-7500
- ✓Genuine Windows compatibility
Winner by scenario
Derived from the sub-score breakdown · not a separate testLibrary
Valve Steam Deck OLED (512 GB)Compared on the library sub-score
Valve Steam Deck OLED (512 GB) leads on library (96 vs 92).
Features
Valve Steam Deck OLED (512 GB)Compared on the features sub-score
Valve Steam Deck OLED (512 GB) leads on features (92 vs 90).
Performance
ASUS ROG Ally XCompared on the performance sub-score
ASUS ROG Ally X leads on performance (92 vs 84).
Value for money
Valve Steam Deck OLED (512 GB)Specdex score per dollar at MSRP
Valve Steam Deck OLED (512 GB) more score per dollar ($549 vs $799).
Score breakdown
Specs side-by-side
| Spec | Valve Steam Deck OLED (512 GB) | ASUS ROG Ally X |
|---|---|---|
| CPU | ▲ Custom AMD Zen 2, 4C/8T (6 nm "Sephiroth" revision) | AMD Ryzen Z1 Extreme |
| GPU | Custom AMD RDNA 2, 8 CUs | ▲ RDNA 3, 12 CUs |
| RAM | 16 GB LPDDR5-6400 | ▲ 24 GB LPDDR5X-7500 |
| Storage | ▲ 512 GB NVMe (this SKU); 1 TB at $649 | 1 TB M.2 2280 |
| Display | ▲ 7.4″ HDR OLED, 90 Hz, 1280×800 | 7″ IPS, 120Hz, 1080p |
| Battery | 50 Wh | ▲ 80 Wh |
| Weight | ▲ 640 g | 678 g |
Valve Steam Deck OLED (512 GB)
- +7.4″ HDR OLED at 90 Hz
- +6 nm "Sephiroth" APU revision improves efficiency
- +Best Linux gaming experience + strong emulation support
- −Same Zen 2 4C/8T as the LCD generation
- −1280×800 native limits some modern titles
- −640 g — heavier than handheld norm
ASUS ROG Ally X
- +80 Wh battery — longest in handheld class
- +24 GB LPDDR5X-7500
- +Genuine Windows compatibility
- −Windows handheld UX still rough
- −678 g — heavier than Steam Deck OLED
- −No OLED option
FAQ: Valve Steam Deck OLED (512 GB) vs ASUS ROG Ally X
Which is better, Valve Steam Deck OLED (512 GB) or ASUS ROG Ally X? +
Valve Steam Deck OLED (512 GB) scores 91 on our weighted rubric — ahead by 2. Your best pick depends on the sub-scores above.
Is Valve Steam Deck OLED (512 GB) worth the price? +
At $549, Valve Steam Deck OLED (512 GB) delivers a Specdex score of 91 — strongest in library.
Is ASUS ROG Ally X worth the price? +
At $799, ASUS ROG Ally X delivers a Specdex score of 89 — strongest in performance.
Does Valve Steam Deck OLED (512 GB) or ASUS ROG Ally X 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 library, Valve Steam Deck OLED (512 GB) or ASUS ROG Ally X? +
Valve Steam Deck OLED (512 GB) — leads on library (96 vs 92). Compared on the library sub-score.
Which is better for features, Valve Steam Deck OLED (512 GB) or ASUS ROG Ally X? +
Valve Steam Deck OLED (512 GB) — leads on features (92 vs 90). Compared on the features sub-score.