Ryzen 9 9955HX vs Ryzen Threadripper 3960X
Ryzen 9 9955HX
Ryzen Threadripper 3960X
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
Performance Per Dollar Ryzen Threadripper 3960X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 9 9955HX | Ryzen Threadripper 3960X |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($85) |
| Longevity | ✨ Modern (Fire Range-HX (Zen 5) (2025) / 4 nm) | ✨ Modern (Matisse (2019−2020) / 7 nm, 12 nm) |
💎 Value Proposition
| Insight | Ryzen 9 9955HX | Ryzen Threadripper 3960X |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($85) |
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 9 9955HX and Ryzen Threadripper 3960X
Ryzen 9 9955HX
The Ryzen 9 9955HX 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: 64 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: 55,711 points. Launch price was $650.
Ryzen Threadripper 3960X
The Ryzen Threadripper 3960X 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 24 cores and 48 threads. Base frequency is 3.8 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: 54,763 points. Launch price was $1,399.
Processing Power
The Ryzen 9 9955HX packs 16 cores / 32 threads, while the Ryzen Threadripper 3960X offers 24 cores / 48 threads — the Ryzen Threadripper 3960X has 8 more cores. Boost clocks reach 5.4 GHz on the Ryzen 9 9955HX versus 4.5 GHz on the Ryzen Threadripper 3960X — a 18.2% clock advantage for the Ryzen 9 9955HX (base: 2.5 GHz vs 3.8 GHz). The Ryzen 9 9955HX uses the Fire Range-HX (Zen 5) (2025) architecture (4 nm), while the Ryzen Threadripper 3960X uses Matisse (2019−2020) (7 nm, 12 nm). In PassMark, the Ryzen 9 9955HX scores 55,711 against the Ryzen Threadripper 3960X's 54,763 — a 1.7% lead for the Ryzen 9 9955HX. Cinebench R23 multi-core: 38,010 vs 34,260 (10.4% advantage for the Ryzen 9 9955HX). Geekbench 6 single-core — the metric most relevant to gaming — records 3,219 vs 1,270, a 86.8% lead for the Ryzen 9 9955HX that directly translates to higher frame rates. L3 cache: 64 MB (total) on the Ryzen 9 9955HX vs 128 MB on the Ryzen Threadripper 3960X.
| Feature | Ryzen 9 9955HX | Ryzen Threadripper 3960X |
|---|---|---|
| Cores / Threads | 16 / 32 | 24 / 48+50% |
| Boost Clock | 5.4 GHz+20% | 4.5 GHz |
| Base Clock | 2.5 GHz | 3.8 GHz+52% |
| L3 Cache | 64 MB (total) | 128 MB+100% |
| L2 Cache | 1 MB (per core)+100% | 512K (per core) |
| Process | 4 nm-43% | 7 nm, 12 nm |
| Architecture | Fire Range-HX (Zen 5) (2025) | Matisse (2019−2020) |
| PassMark | 55,711+2% | 54,763 |
| Cinebench R23 Multi | 38,010+11% | 34,260 |
| Geekbench 6 Single | 3,219+153% | 1,270 |
| Geekbench 6 Multi | 19,563 | — |
Memory & Platform
The Ryzen 9 9955HX uses the FL1 socket (PCIe 5.0), while the Ryzen Threadripper 3960X uses TR4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-5600 on the Ryzen 9 9955HX versus DDR4-3200 on the Ryzen Threadripper 3960X — the Ryzen 9 9955HX supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen Threadripper 3960X supports up to 256 GB of RAM compared to 96 GB — 90.9% more capacity for professional workloads. Memory channels: 2 (Ryzen 9 9955HX) vs 4 (Ryzen Threadripper 3960X). PCIe lanes: 28 (Ryzen 9 9955HX) vs 88 (Ryzen Threadripper 3960X) — the Ryzen Threadripper 3960X offers 60 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD FL1 (Ryzen 9 9955HX) and AMD TRX40 (Ryzen Threadripper 3960X).
| Feature | Ryzen 9 9955HX | Ryzen Threadripper 3960X |
|---|---|---|
| Socket | FL1 | TR4 |
| PCIe Generation | PCIe 5.0+25% | PCIe 4.0 |
| Max RAM Speed | DDR5-5600+25% | DDR4-3200 |
| Max RAM Capacity | 96 GB | 256 GB+167% |
| RAM Channels | 2 | 4+100% |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 28 | 88+214% |
Advanced Features
Both processors feature an unlocked multiplier for overclocking. Only the Ryzen 9 9955HX supports AVX-512 instructions — important for machine learning and scientific applications. Both support true virtualization. The Ryzen 9 9955HX includes integrated graphics (Radeon 610M), while the Ryzen Threadripper 3960X requires a dedicated GPU. Direct competitor: Ryzen 9 9955HX rivals Core Ultra 9 275HX; Ryzen Threadripper 3960X rivals Core i9-10900X.
| Feature | Ryzen 9 9955HX | Ryzen Threadripper 3960X |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Radeon 610M | None |
| Unlocked | Yes | Yes |
| AVX-512 | Yes | No |
| Virtualization | true | true |
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