Ryzen Threadripper PRO 7955WX
Xeon Gold 6421N
Ryzen Threadripper PRO 7955WX vs Xeon Gold 6421N 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 7955WX vs Xeon Gold 6421N 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 7955WX vs Xeon Gold 6421N: 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 7955WX
2023Why buy it
- ✅Better for gaming: +24.3% higher average FPS across 50 shared CPU benchmark tests.
- ✅Costs $469 less on MSRP ($1,899 MSRP vs $2,368 MSRP).
- ✅Delivers 27.4% more PassMark for each dollar spent, at 31.6 vs 24.8 PassMark/$ ($1,899 MSRP vs $2,368 MSRP).
- ✅60% more PCIe lanes (128 vs 80) for storage and expansion-heavy builds.
Trade-offs
- ❌89.2% higher power demand at 350W vs 185W.
Xeon Gold 6421N
2023Why buy it
- ✅Draws 185W instead of 350W, a 165W reduction.
Trade-offs
- ❌Worse for gaming: lower average FPS than Ryzen Threadripper PRO 7955WX across 50 shared CPU benchmark tests.
- ❌Lower PassMark (58,797 vs 60,054).
- ❌Lower PassMark per dollar, at 24.8 vs 31.6 PassMark/$ ($2,368 MSRP vs $1,899 MSRP).
Quick Answers
So, is Ryzen Threadripper PRO 7955WX better than Xeon Gold 6421N?
Which one is better for gaming?
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 7955WX vs Xeon Gold 6421N Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
Ryzen Threadripper PRO 7955WX
The Ryzen Threadripper PRO 7955WX is manufactured by AMD. It was released in 19 October 2023 (2 years ago). It is based on the Storm Peak (2023) architecture. It features 16 cores and 32 threads. Base frequency is 4.5 GHz, with boost up to 5.3 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: sTR5. Thermal design power (TDP): 350 Watt. Memory support: DDR5. Passmark benchmark score: 60,054 points. Launch price was $1,899.
Xeon Gold 6421N
The Xeon Gold 6421N 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 1.8 GHz, with boost up to 3.6 GHz. L3 cache: 60 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 185 Watt. Memory support: DDR5-4400. Passmark benchmark score: 58,797 points. Launch price was $2,368.
Processing Power
The Ryzen Threadripper PRO 7955WX packs 16 cores / 32 threads, while the Xeon Gold 6421N offers 32 cores / 64 threads — the Xeon Gold 6421N has 16 more cores. Boost clocks reach 5.3 GHz on the Ryzen Threadripper PRO 7955WX versus 3.6 GHz on the Xeon Gold 6421N — a 38.2% clock advantage for the Ryzen Threadripper PRO 7955WX (base: 4.5 GHz vs 1.8 GHz). The Ryzen Threadripper PRO 7955WX uses the Storm Peak (2023) architecture (5 nm), while the Xeon Gold 6421N uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the Ryzen Threadripper PRO 7955WX scores 60,054 against the Xeon Gold 6421N's 58,797 — a 2.1% lead for the Ryzen Threadripper PRO 7955WX. L3 cache: 64 MB (total) on the Ryzen Threadripper PRO 7955WX vs 60 MB on the Xeon Gold 6421N.
| Feature | Ryzen Threadripper PRO 7955WX | Xeon Gold 6421N |
|---|---|---|
| Cores / Threads | 16 / 32 | 32 / 64+100% |
| Boost Clock | 5.3 GHz+47% | 3.6 GHz |
| Base Clock | 4.5 GHz+150% | 1.8 GHz |
| L3 Cache | 64 MB (total)+7% | 60 MB |
| L2 Cache | 1 MB (per core) | 2 MB (per core)+100% |
| Process | 5 nm-29% | Intel 7 nm |
| Architecture | Storm Peak (2023) | Sapphire Rapids (2023−2024) |
| PassMark | 60,054+2% | 58,797 |
| Cinebench R23 Multi | 36,742 | — |
| Geekbench 6 Single | 3,020 | — |
| Geekbench 6 Multi | 21,079 | — |
Memory & Platform
The Ryzen Threadripper PRO 7955WX uses the sTR5 socket (PCIe 4.0), while the Xeon Gold 6421N uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-5200 on the Ryzen Threadripper PRO 7955WX versus 4800 on the Xeon Gold 6421N — the Ryzen Threadripper PRO 7955WX supports 8.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Gold 6421N supports up to 4096 GB of RAM compared to 1024 GB — 300% more capacity for professional workloads. Both feature 8-channel memory with ECC support. PCIe lanes: 128 (Ryzen Threadripper PRO 7955WX) vs 80 (Xeon Gold 6421N) — the Ryzen Threadripper PRO 7955WX offers 48 more lanes for additional GPUs or NVMe drives. Chipset compatibility: WRX90,TRX50 (Ryzen Threadripper PRO 7955WX) and C741 (Xeon Gold 6421N).
| Feature | Ryzen Threadripper PRO 7955WX | Xeon Gold 6421N |
|---|---|---|
| Socket | sTR5 | LGA4677 |
| PCIe Generation | PCIe 4.0 | PCIe 5.0+25% |
| Max RAM Speed | DDR5-5200+8% | 4800 |
| Max RAM Capacity | 1024 GB | 4096 GB+300% |
| RAM Channels | 8 | 8 |
| ECC Support | Yes | Yes |
| PCIe Lanes | 128+60% | 80 |
Advanced Features
Only the Ryzen Threadripper PRO 7955WX 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 7955WX) vs VT-x, VT-d (Xeon Gold 6421N). Direct competitor: Ryzen Threadripper PRO 7955WX rivals Xeon w7-2495X; Xeon Gold 6421N rivals EPYC 9354.
| Feature | Ryzen Threadripper PRO 7955WX | Xeon Gold 6421N |
|---|---|---|
| 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 7955WX was priced at $1899, while the Xeon Gold 6421N came in at $2368. On launch pricing ($1899 vs $2368), Ryzen Threadripper PRO 7955WX was $469 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen Threadripper PRO 7955WX delivers 31.6 pts/$ vs 24.8 pts/$ for the Xeon Gold 6421N — making the Ryzen Threadripper PRO 7955WX the 24.1% better value option.
| Feature | Ryzen Threadripper PRO 7955WX | Xeon Gold 6421N |
|---|---|---|
| MSRP | $1899-20% | $2368 |
| Performance per Dollar | 31.6+27% | 24.8 |
| Release Date | 2023 | 2023 |
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