
Ryzen Threadripper PRO 9955WX

Xeon Gold 6448H
Ryzen Threadripper PRO 9955WX vs Xeon Gold 6448H Performance Spectrum
About PassMark
PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.
Ryzen Threadripper PRO 9955WX vs Xeon Gold 6448H FPS Benchmarks
Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.
Search any supported game below to compare 1080p FPS for both components.

Path of Exile 2

Counter-Strike 2

League of Legends

Valorant

Among Us

Apex Legends

ARC Raiders

Baldur's Gate 3

Call of Duty: Black Ops 6
Ryzen Threadripper PRO 9955WX vs Xeon Gold 6448H: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
Ryzen Threadripper PRO 9955WX
2025Why buy it
- ✅Better for gaming: +14.9% higher average FPS across 50 shared CPU benchmark tests.
- ✅Costs $3,229 less on MSRP ($429 MSRP vs $3,658 MSRP).
- ✅Delivers 719.6% more PassMark for each dollar spent, at 157.5 vs 19.2 PassMark/$ ($429 MSRP vs $3,658 MSRP).
- ✅60% more PCIe lanes (128 vs 80) for storage and expansion-heavy builds.
Trade-offs
- ❌Lower PassMark (67,561 vs 70,292).
- ❌40% higher power demand at 350W vs 250W.
Xeon Gold 6448H
2023Why buy it
- ✅+4% higher PassMark.
- ✅Draws 250W instead of 350W, a 100W reduction.
Trade-offs
- ❌Worse for gaming: lower average FPS than Ryzen Threadripper PRO 9955WX across 50 shared CPU benchmark tests.
- ❌Lower PassMark per dollar, at 19.2 vs 157.5 PassMark/$ ($3,658 MSRP vs $429 MSRP).
Quick Answers
So, is Ryzen Threadripper PRO 9955WX better than Xeon Gold 6448H?
Which one is better for streaming, content creation, and heavy multitasking?
Which one is the smarter buy today, not just the cheaper CPU?
Which one is more future-proof for 2026 and beyond?
Ryzen Threadripper PRO 9955WX vs Xeon Gold 6448H Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.


Ryzen Threadripper PRO 9955WX
The Ryzen Threadripper PRO 9955WX is manufactured by AMD. It was released in 23 July 2025 (less than a year ago). It is based on the Shimada Peak (2025) architecture. It features 16 cores and 32 threads. Base frequency is 4.5 GHz, with boost up to 5.4 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: sTR5. Thermal design power (TDP): 350 Watt. Memory support: DDR5. Passmark benchmark score: 67,561 points. Launch price was $1,649.

Xeon Gold 6448H
The Xeon Gold 6448H is manufactured by Intel. It was released in 10 January 2023 (2 years ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 32 cores and 64 threads. Base frequency is 2.4 GHz, with boost up to 4.1 GHz. L3 cache: 60 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 250 Watt. Memory support: DDR5-4800, DDR5-4400. Passmark benchmark score: 70,292 points. Launch price was $3,658.
Processing Power
The Ryzen Threadripper PRO 9955WX packs 16 cores / 32 threads, while the Xeon Gold 6448H offers 32 cores / 64 threads — the Xeon Gold 6448H has 16 more cores. Boost clocks reach 5.4 GHz on the Ryzen Threadripper PRO 9955WX versus 4.1 GHz on the Xeon Gold 6448H — a 27.4% clock advantage for the Ryzen Threadripper PRO 9955WX (base: 4.5 GHz vs 2.4 GHz). The Ryzen Threadripper PRO 9955WX uses the Shimada Peak (2025) architecture (4 nm), while the Xeon Gold 6448H uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the Ryzen Threadripper PRO 9955WX scores 67,561 against the Xeon Gold 6448H's 70,292 — a 4% lead for the Xeon Gold 6448H. L3 cache: 64 MB (total) on the Ryzen Threadripper PRO 9955WX vs 60 MB on the Xeon Gold 6448H.
| Feature | Ryzen Threadripper PRO 9955WX | Xeon Gold 6448H |
|---|---|---|
| Cores / Threads | 16 / 32 | 32 / 64+100% |
| Boost Clock | 5.4 GHz+32% | 4.1 GHz |
| Base Clock | 4.5 GHz+88% | 2.4 GHz |
| L3 Cache | 64 MB (total)+7% | 60 MB |
| L2 Cache | 1 MB (per core) | 2 MB (per core)+100% |
| Process | 4 nm-43% | Intel 7 nm |
| Architecture | Shimada Peak (2025) | Sapphire Rapids (2023−2024) |
| PassMark | 67,561 | 70,292+4% |
| Cinebench R23 Multi | 40,000 | — |
| Geekbench 6 Single | 3,016 | — |
| Geekbench 6 Multi | 23,596 | — |
Memory & Platform
The Ryzen Threadripper PRO 9955WX uses the sTR5 socket (PCIe 4.0), while the Xeon Gold 6448H uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-6400 on the Ryzen Threadripper PRO 9955WX versus 4800 on the Xeon Gold 6448H — the Ryzen Threadripper PRO 9955WX supports 33.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Gold 6448H supports up to 4096 GB of RAM compared to 2048 GB — 100% more capacity for professional workloads. Both feature 8-channel memory with ECC support. PCIe lanes: 128 (Ryzen Threadripper PRO 9955WX) vs 80 (Xeon Gold 6448H) — the Ryzen Threadripper PRO 9955WX offers 48 more lanes for additional GPUs or NVMe drives. Chipset compatibility: WRX90 (Ryzen Threadripper PRO 9955WX) and C741 (Xeon Gold 6448H).
| Feature | Ryzen Threadripper PRO 9955WX | Xeon Gold 6448H |
|---|---|---|
| Socket | sTR5 | LGA4677 |
| PCIe Generation | PCIe 4.0 | PCIe 5.0+25% |
| Max RAM Speed | DDR5-6400+33% | 4800 |
| Max RAM Capacity | 2048 GB | 4096 GB+100% |
| RAM Channels | 8 | 8 |
| ECC Support | Yes | Yes |
| PCIe Lanes | 128+60% | 80 |
Advanced Features
Only the Ryzen Threadripper PRO 9955WX has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: true (Ryzen Threadripper PRO 9955WX) vs VT-x, VT-d (Xeon Gold 6448H). Direct competitor: Ryzen Threadripper PRO 9955WX rivals Xeon w7-3555; Xeon Gold 6448H rivals EPYC 9454.
| Feature | Ryzen Threadripper PRO 9955WX | Xeon Gold 6448H |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | Yes | No |
| AVX-512 | Yes | Yes |
| Virtualization | true | VT-x, VT-d |
Value Analysis
At launch, the Ryzen Threadripper PRO 9955WX was priced at $429, while the Xeon Gold 6448H came in at $3658. On launch pricing ($429 vs $3658), Ryzen Threadripper PRO 9955WX was $3229 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen Threadripper PRO 9955WX delivers 157.5 pts/$ vs 19.2 pts/$ for the Xeon Gold 6448H — making the Ryzen Threadripper PRO 9955WX the 156.5% better value option.
| Feature | Ryzen Threadripper PRO 9955WX | Xeon Gold 6448H |
|---|---|---|
| MSRP | $429-88% | $3658 |
| Performance per Dollar | 157.5+720% | 19.2 |
| Release Date | 2025 | 2023 |
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