Ryzen Threadripper 3970X vs Ryzen 9 9955HX3D
Ryzen Threadripper 3970X
Ryzen 9 9955HX3D
Performance Spectrum - CPU
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.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Ryzen Threadripper 3970X
Performance Per Dollar Ryzen 9 9955HX3D
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen Threadripper 3970X | Ryzen 9 9955HX3D |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($4,491) | ✅ More affordable ($749) |
| Longevity | ✨ Modern (Matisse (2019−2020) / 7 nm, 12 nm) | ✨ Modern (Fire Range-HX (Zen 5) (2025) / 4 nm) |
💎 Value Proposition
| Insight | Ryzen Threadripper 3970X | Ryzen 9 9955HX3D |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+487%) |
| Upfront Cost | ⚠️ Higher cost ($4,491) | ✅ More affordable ($749) |
Performance Check
To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.
Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.
Technical Specifications
Side-by-side comparison of Ryzen Threadripper 3970X and Ryzen 9 9955HX3D
Ryzen Threadripper 3970X
The Ryzen Threadripper 3970X is manufactured by AMD. It was released in 25 November 2019 (6 years ago). It is based on the Matisse (2019−2020) architecture. It features 32 cores and 64 threads. Base frequency is 3.7 GHz, with boost up to 4.5 GHz. L3 cache: 128 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: TR4. Thermal design power (TDP): 280 Watt. Memory support: DDR4 Eight-channel. Passmark benchmark score: 62,946 points. Launch price was $1,999.
Ryzen 9 9955HX3D
The Ryzen 9 9955HX3D is manufactured by AMD. It was released in 2025-01-01. It is based on the Fire Range-HX (Zen 5) (2025) architecture. It features 16 cores and 32 threads. Base frequency is 2.5 GHz, with boost up to 5.4 GHz. L3 cache: 128 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: FL1. Thermal design power (TDP): 55 Watt. Memory support: DDR5. Passmark benchmark score: 61,578 points. Launch price was $700.
Processing Power
The Ryzen Threadripper 3970X packs 32 cores / 64 threads, while the Ryzen 9 9955HX3D offers 16 cores / 32 threads — the Ryzen Threadripper 3970X has 16 more cores. Boost clocks reach 4.5 GHz on the Ryzen Threadripper 3970X versus 5.4 GHz on the Ryzen 9 9955HX3D — a 18.2% clock advantage for the Ryzen 9 9955HX3D (base: 3.7 GHz vs 2.5 GHz). The Ryzen Threadripper 3970X uses the Matisse (2019−2020) architecture (7 nm, 12 nm), while the Ryzen 9 9955HX3D uses Fire Range-HX (Zen 5) (2025) (4 nm). In PassMark, the Ryzen Threadripper 3970X scores 62,946 against the Ryzen 9 9955HX3D's 61,578 — a 2.2% lead for the Ryzen Threadripper 3970X. L3 cache: 128 MB on the Ryzen Threadripper 3970X vs 128 MB (total) on the Ryzen 9 9955HX3D.
| Feature | Ryzen Threadripper 3970X | Ryzen 9 9955HX3D |
|---|---|---|
| Cores / Threads | 32 / 64+100% | 16 / 32 |
| Boost Clock | 4.5 GHz | 5.4 GHz+20% |
| Base Clock | 3.7 GHz+48% | 2.5 GHz |
| L3 Cache | 128 MB | 128 MB (total) |
| L2 Cache | 512K (per core) | 1 MB (per core)+100% |
| Process | 7 nm, 12 nm | 4 nm-43% |
| Architecture | Matisse (2019−2020) | Fire Range-HX (Zen 5) (2025) |
| PassMark | 62,946+2% | 61,578 |
| Cinebench R23 Multi | 44,510 | — |
| Geekbench 6 Single | 1,664 | — |
| Geekbench 6 Multi | 13,739 | — |
Memory & Platform
The Ryzen Threadripper 3970X uses the TR4 socket (PCIe 4.0), while the Ryzen 9 9955HX3D uses FL1 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Ryzen Threadripper 3970X versus 5600 on the Ryzen 9 9955HX3D — the Ryzen 9 9955HX3D supports 199.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen Threadripper 3970X supports up to 256 GB of RAM compared to 96 — 90.9% more capacity for professional workloads. Memory channels: 4 (Ryzen Threadripper 3970X) vs 2 (Ryzen 9 9955HX3D). PCIe lanes: 64 (Ryzen Threadripper 3970X) vs 28 (Ryzen 9 9955HX3D) — the Ryzen Threadripper 3970X offers 36 more lanes for additional GPUs or NVMe drives. Chipset compatibility: TRX40 (Ryzen Threadripper 3970X) and FL1 (Ryzen 9 9955HX3D).
| Feature | Ryzen Threadripper 3970X | Ryzen 9 9955HX3D |
|---|---|---|
| Socket | TR4 | FL1 |
| PCIe Generation | PCIe 4.0 | PCIe 5.0+25% |
| Max RAM Speed | DDR4-3200 | 5600+139900% |
| Max RAM Capacity | 256 GB+279620167% | 96 |
| RAM Channels | 4+100% | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 64+129% | 28 |
Advanced Features
Both processors feature an unlocked multiplier for overclocking. Only the Ryzen 9 9955HX3D supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: true (Ryzen Threadripper 3970X) vs VT-x, VT-d, AMD-V (Ryzen 9 9955HX3D). The Ryzen 9 9955HX3D includes integrated graphics (AMD Radeon 610M), while the Ryzen Threadripper 3970X requires a dedicated GPU. Direct competitor: Ryzen Threadripper 3970X rivals Core i9-10980XE; Ryzen 9 9955HX3D rivals Core Ultra 9 185H.
| Feature | Ryzen Threadripper 3970X | Ryzen 9 9955HX3D |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | None | AMD Radeon 610M |
| Unlocked | Yes | Yes |
| AVX-512 | No | Yes |
| Virtualization | true | VT-x, VT-d, AMD-V |
Value Analysis
The Ryzen Threadripper 3970X launched at $4491 MSRP, while the Ryzen 9 9955HX3D debuted at $749.
| Feature | Ryzen Threadripper 3970X | Ryzen 9 9955HX3D |
|---|---|---|
| MSRP | $4491 | $749-83% |
| Avg Price (30d) | $4491 | — |
| Release Date | 2019 | 2025 |
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