Xeon W-3175X vs Ryzen 9 PRO 7945
Xeon W-3175X
Ryzen 9 PRO 7945
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 W-3175X
Performance Per Dollar Ryzen 9 PRO 7945
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon W-3175X | Ryzen 9 PRO 7945 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($2,999) | ✅ More affordable ($450) |
| Longevity | ✨ Modern (Skylake (server) (2017−2018) / 14 nm) | ✨ Modern (Raphael (2023−2025) / 5 nm) |
💎 Value Proposition
| Insight | Xeon W-3175X | Ryzen 9 PRO 7945 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+577%) |
| Upfront Cost | ⚠️ Higher cost ($2,999) | ✅ More affordable ($450) |
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 W-3175X and Ryzen 9 PRO 7945
Xeon W-3175X
The Xeon W-3175X is manufactured by Intel. It was released in 19 December 2018 (6 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 28 cores and 56 threads. Base frequency is 3.1 GHz, with boost up to 3.8 GHz. L3 cache: 38.5 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 255 Watt. Memory support: DDR4-2666. Passmark benchmark score: 46,125 points. Launch price was $2,999.
Ryzen 9 PRO 7945
The Ryzen 9 PRO 7945 is manufactured by AMD. It was released in 13 June 2023 (2 years ago). It is based on the Raphael (2023−2025) architecture. It features 12 cores and 24 threads. Base frequency is 3.7 GHz, with boost up to 5.4 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: AM5. Thermal design power (TDP): 65 Watt. Memory support: DDR5. Passmark benchmark score: 46,828 points. Launch price was $499.
Processing Power
The Xeon W-3175X packs 28 cores / 56 threads, while the Ryzen 9 PRO 7945 offers 12 cores / 24 threads — the Xeon W-3175X has 16 more cores. Boost clocks reach 3.8 GHz on the Xeon W-3175X versus 5.4 GHz on the Ryzen 9 PRO 7945 — a 34.8% clock advantage for the Ryzen 9 PRO 7945 (base: 3.1 GHz vs 3.7 GHz). The Xeon W-3175X uses the Skylake (server) (2017−2018) architecture (14 nm), while the Ryzen 9 PRO 7945 uses Raphael (2023−2025) (5 nm). In PassMark, the Xeon W-3175X scores 46,125 against the Ryzen 9 PRO 7945's 46,828 — a 1.5% lead for the Ryzen 9 PRO 7945. Cinebench R23 multi-core: 31,350 vs 28,905 (8.1% advantage for the Xeon W-3175X). Geekbench 6 single-core — the metric most relevant to gaming — records 1,467 vs 2,206, a 40.2% lead for the Ryzen 9 PRO 7945 that directly translates to higher frame rates. Multi-core Geekbench: 17,358 vs 16,832 (3.1% advantage for the Xeon W-3175X). L3 cache: 38.5 MB (total) on the Xeon W-3175X vs 64 MB (total) on the Ryzen 9 PRO 7945.
| Feature | Xeon W-3175X | Ryzen 9 PRO 7945 |
|---|---|---|
| Cores / Threads | 28 / 56+133% | 12 / 24 |
| Boost Clock | 3.8 GHz | 5.4 GHz+42% |
| Base Clock | 3.1 GHz | 3.7 GHz+19% |
| L3 Cache | 38.5 MB (total) | 64 MB (total)+66% |
| L2 Cache | 1 MB (per core) | 1 MB (per core) |
| Process | 14 nm | 5 nm-64% |
| Architecture | Skylake (server) (2017−2018) | Raphael (2023−2025) |
| PassMark | 46,125 | 46,828+2% |
| Cinebench R23 Multi | 31,350+8% | 28,905 |
| Geekbench 6 Single | 1,467 | 2,206+50% |
| Geekbench 6 Multi | 17,358+3% | 16,832 |
Memory & Platform
The Xeon W-3175X uses the LGA3647 socket (PCIe 3.0), while the Ryzen 9 PRO 7945 uses AM5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Xeon W-3175X versus DDR5-5200 on the Ryzen 9 PRO 7945 — the Ryzen 9 PRO 7945 supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon W-3175X supports up to 512 GB of RAM compared to 128 GB — 120% more capacity for professional workloads. Memory channels: 6 (Xeon W-3175X) vs 2 (Ryzen 9 PRO 7945). PCIe lanes: 48 (Xeon W-3175X) vs 28 (Ryzen 9 PRO 7945) — the Xeon W-3175X offers 20 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel C621 (Xeon W-3175X) and AMD X670E,AMD X670,AMD B650E,AMD B650,AMD A620 (Ryzen 9 PRO 7945).
| Feature | Xeon W-3175X | Ryzen 9 PRO 7945 |
|---|---|---|
| Socket | LGA3647 | AM5 |
| PCIe Generation | PCIe 3.0 | PCIe 5.0+67% |
| Max RAM Speed | DDR4-2666 | DDR5-5200+25% |
| Max RAM Capacity | 512 GB+300% | 128 GB |
| RAM Channels | 6+200% | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 48+71% | 28 |
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: VT-x, VT-d (Xeon W-3175X) vs true (Ryzen 9 PRO 7945). The Ryzen 9 PRO 7945 includes integrated graphics (Radeon Graphics), while the Xeon W-3175X requires a dedicated GPU. Direct competitor: Ryzen 9 PRO 7945 rivals Core i9-13900.
| Feature | Xeon W-3175X | Ryzen 9 PRO 7945 |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | Radeon Graphics |
| Unlocked | Yes | Yes |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d | true |
Value Analysis
The Xeon W-3175X launched at $2999 MSRP, while the Ryzen 9 PRO 7945 debuted at $409. At current prices ($2999 vs $450), the Ryzen 9 PRO 7945 is $2549 cheaper. In terms of value (PassMark points per dollar), the Xeon W-3175X delivers 15.4 pts/$ vs 104.1 pts/$ for the Ryzen 9 PRO 7945 — making the Ryzen 9 PRO 7945 the 148.5% better value option.
| Feature | Xeon W-3175X | Ryzen 9 PRO 7945 |
|---|---|---|
| MSRP | $2999 | $409-86% |
| Avg Price (30d) | $2999 | $450-85% |
| Performance per Dollar | 15.4 | 104.1+576% |
| Release Date | 2018 | 2023 |
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