Ryzen 7 9800X3D
Zen 5 · 8C/16T · 104 MB cache · Gaming king
Ryzen 9 7940HX
16C/32T · 5.2 GHz · 55 W TDP · AM5 (LGA 1718) · PassMark #230
Ryzen 7 9800X3D takes it — here’s why.
In our weighted Specdex score, Ryzen 7 9800X3D lands at 95 and Ryzen 9 7940HX at 30. That puts Ryzen 7 9800X3D ahead by 65 points — a decisive margin driven mostly by its strengths in the categories below.
Pick Ryzen 7 9800X3D if…
- ✓Fastest gaming CPU on the planet
- ✓Overclockable unlike prior X3D parts
- ✓Excellent efficiency (120 W TDP)
Pick Ryzen 9 7940HX if…
- ✓PassMark CPU Mark of 53,306 — solid multi-thread numbers
- ✓Mainstream desktop flagship core count
Winner by scenario
Derived from the sub-score breakdown · not a separate testValue for money
Ryzen 7 9800X3DSpecdex score per dollar at MSRP
Ryzen 7 9800X3D more score per dollar ($479 vs $549).
Score breakdown
Specs side-by-side
| Spec | Ryzen 7 9800X3D | Ryzen 9 7940HX |
|---|---|---|
| Cores | 8 | ▲ 16 |
| Threads | 16 | ▲ 32 |
| Base clock | 4.7 GHz | 2.4 GHz |
| Boost clock | 5.2 GHz | 5.2 GHz |
| L3 cache | ▲ 96 MB (3D V-Cache) | 64 MB |
| TDP | 120 W | 55 W |
| Socket | AM5 | AM5 (LGA 1718) |
| Process | TSMC 4 nm | — |
| iGPU | Radeon Graphics (RDNA 2, 2 CUs) | — |
| Memory | DDR5-5600 | — |
| Class | — | Desktop, Laptop |
| PassMark rank | — | #230 of 5,901 |
| PassMark CPU Mark | — | 53,306 |
Ryzen 7 9800X3D
- +Fastest gaming CPU on the planet
- +Overclockable unlike prior X3D parts
- +Excellent efficiency (120 W TDP)
- −Only 8 cores for productivity-heavy workloads
- −AM5 motherboard required
- −Scarce at launch
Ryzen 9 7940HX
- +PassMark CPU Mark of 53,306 — solid multi-thread numbers
- +Mainstream desktop flagship core count
- −Requires recent-generation motherboard and DDR5 memory
- −Newer-generation parts pull ahead in current rankings
FAQ: Ryzen 7 9800X3D vs Ryzen 9 7940HX
Which is better, Ryzen 7 9800X3D or Ryzen 9 7940HX? +
Ryzen 7 9800X3D scores 95 on our weighted rubric — ahead by 65. Your best pick depends on the sub-scores above.
Is Ryzen 7 9800X3D worth the price? +
At $479, Ryzen 7 9800X3D delivers a Specdex score of 95 — strongest in gaming.
Is Ryzen 9 7940HX worth the price? +
At $549, Ryzen 9 7940HX delivers a Specdex score of 30 — strongest in passmark.
Does Ryzen 7 9800X3D or Ryzen 9 7940HX 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 the better value, Ryzen 7 9800X3D or Ryzen 9 7940HX? +
Ryzen 7 9800X3D — more score per dollar ($479 vs $549). Specdex score per dollar at MSRP.