CPU
GPU
Xeon w7-3455
Ryzen Threadripper PRO 9945WX
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 Xeon w7-3455
Performance Per Dollar Ryzen Threadripper PRO 9945WX
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon w7-3455 | Ryzen Threadripper PRO 9945WX |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($2,625) | ✅ More affordable ($1,340) |
| Longevity | ✨ Modern (Sapphire Rapids (2023−2024) / Intel 7 nm) | ✨ Modern (Shimada Peak (2025) / 4 nm) |
💎 Value Proposition
| Insight | Xeon w7-3455 | Ryzen Threadripper PRO 9945WX |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+103%) |
| Upfront Cost | ⚠️ Higher cost ($2,625) | ✅ More affordable ($1,340) |
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 Xeon w7-3455 and Ryzen Threadripper PRO 9945WX
Xeon w7-3455
The Xeon w7-3455 is manufactured by Intel. It was released in 15 February 2023 (2 years ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 24 cores and 48 threads. Base frequency is 2.5 GHz, with boost up to 4.8 GHz. L3 cache: 67.5 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 270 Watt. Memory support: DDR5-4800. Passmark benchmark score: 54,925 points. Launch price was $2,489.
Ryzen Threadripper PRO 9945WX
The Ryzen Threadripper PRO 9945WX is manufactured by AMD. It was released in 2025-01-01. It is based on the Shimada Peak (2025) architecture. It features 12 cores and 24 threads. Base frequency is 4.7 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: 56,854 points. Launch price was $2,000.
Processing Power
The Xeon w7-3455 packs 24 cores / 48 threads, while the Ryzen Threadripper PRO 9945WX offers 12 cores / 24 threads — the Xeon w7-3455 has 12 more cores. Boost clocks reach 4.8 GHz on the Xeon w7-3455 versus 5.4 GHz on the Ryzen Threadripper PRO 9945WX — a 11.8% clock advantage for the Ryzen Threadripper PRO 9945WX (base: 2.5 GHz vs 4.7 GHz). The Xeon w7-3455 uses the Sapphire Rapids (2023−2024) architecture (Intel 7 nm), while the Ryzen Threadripper PRO 9945WX uses Shimada Peak (2025) (4 nm). In PassMark, the Xeon w7-3455 scores 54,925 against the Ryzen Threadripper PRO 9945WX's 56,854 — a 3.5% lead for the Ryzen Threadripper PRO 9945WX. L3 cache: 67.5 MB on the Xeon w7-3455 vs 64 MB (total) on the Ryzen Threadripper PRO 9945WX.
| Feature | Xeon w7-3455 | Ryzen Threadripper PRO 9945WX |
|---|---|---|
| Cores / Threads | 24 / 48+100% | 12 / 24 |
| Boost Clock | 4.8 GHz | 5.4 GHz+13% |
| Base Clock | 2.5 GHz | 4.7 GHz+88% |
| L3 Cache | 67.5 MB+5% | 64 MB (total) |
| L2 Cache | 2 MB (per core)+100% | 1 MB (per core) |
| Process | Intel 7 nm | 4 nm-43% |
| Architecture | Sapphire Rapids (2023−2024) | Shimada Peak (2025) |
| PassMark | 54,925 | 56,854+4% |
| Geekbench 6 Single | 1,900 | — |
| Geekbench 6 Multi | 1,898 | — |
Memory & Platform
The Xeon w7-3455 uses the LGA4677 socket (PCIe 5.0), while the Ryzen Threadripper PRO 9945WX uses sTR5 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800 on the Xeon w7-3455 versus 6400 on the Ryzen Threadripper PRO 9945WX — the Ryzen Threadripper PRO 9945WX supports 199.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon w7-3455 supports up to 4096 GB of RAM compared to 2048 — 66.7% more capacity for professional workloads. Both feature 8-channel memory with ECC support. PCIe lanes: 112 (Xeon w7-3455) vs 128 (Ryzen Threadripper PRO 9945WX) — the Ryzen Threadripper PRO 9945WX offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel W790 (Xeon w7-3455) and WRX90,TRX50 (Ryzen Threadripper PRO 9945WX).
| Feature | Xeon w7-3455 | Ryzen Threadripper PRO 9945WX |
|---|---|---|
| Socket | LGA4677 | sTR5 |
| PCIe Generation | PCIe 5.0+25% | PCIe 4.0 |
| Max RAM Speed | DDR5-4800 | 6400+127900% |
| Max RAM Capacity | 4096 GB+209715100% | 2048 |
| RAM Channels | 8 | 8 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 112 | 128+14% |
Advanced Features
Both processors feature an unlocked multiplier for overclocking. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: true (Xeon w7-3455) vs VT-x, VT-d, AMD-V (Ryzen Threadripper PRO 9945WX). Direct competitor: Xeon w7-3455 rivals Threadripper PRO 7965WX; Ryzen Threadripper PRO 9945WX rivals Xeon w7-3545.
| Feature | Xeon w7-3455 | Ryzen Threadripper PRO 9945WX |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | Yes | Yes |
| AVX-512 | Yes | Yes |
| Virtualization | true | VT-x, VT-d, AMD-V |
Value Analysis
The Xeon w7-3455 launched at $2489 MSRP, while the Ryzen Threadripper PRO 9945WX debuted at $1340. At current prices ($2625 vs $1340), the Ryzen Threadripper PRO 9945WX is $1285 cheaper. In terms of value (PassMark points per dollar), the Xeon w7-3455 delivers 20.9 pts/$ vs 42.4 pts/$ for the Ryzen Threadripper PRO 9945WX — making the Ryzen Threadripper PRO 9945WX the 67.9% better value option.
| Feature | Xeon w7-3455 | Ryzen Threadripper PRO 9945WX |
|---|---|---|
| MSRP | $2489 | $1340-46% |
| Avg Price (30d) | $2625 | $1340-49% |
| Performance per Dollar | 20.9 | 42.4+103% |
| Release Date | 2023 | 2025 |
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