Xeon D-2799 vs Ryzen Threadripper PRO 3945WX
Xeon D-2799
Ryzen Threadripper PRO 3945WX
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 D-2799
Performance Per Dollar Ryzen Threadripper PRO 3945WX
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon D-2799 | Ryzen Threadripper PRO 3945WX |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($100) |
| Longevity | ✨ Modern (Ice Lake-D (2022−2023) / 10 nm) | ✨ Modern (Castle Peak (2020) / 7 nm, 12 nm) |
💎 Value Proposition
| Insight | Xeon D-2799 | Ryzen Threadripper PRO 3945WX |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($100) |
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 D-2799 and Ryzen Threadripper PRO 3945WX
Xeon D-2799
The Xeon D-2799 is manufactured by Intel. It was released in 24 February 2022 (3 years ago). It is based on the Ice Lake-D (2022−2023) architecture. It features 20 cores and 40 threads. Base frequency is 2.4 GHz, with boost up to 3.4 GHz. L3 cache: 30 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm process technology. Socket: FCBGA2579. Thermal design power (TDP): 129 Watt. Memory support: DDR4. Passmark benchmark score: 33,792 points. Launch price was $1,972.
Ryzen Threadripper PRO 3945WX
The Ryzen Threadripper PRO 3945WX is manufactured by AMD. It was released in 14 July 2020 (5 years ago). It is based on the Castle Peak (2020) architecture. It features 12 cores and 24 threads. Base frequency is 4 GHz, with boost up to 4.3 GHz. L3 cache: 64 MB. L2 cache: 512 kB (per core). Built on 7 nm, 12 nm process technology. Socket: sWRX8. Thermal design power (TDP): 280 Watt. Memory support: DDR4-3200. Passmark benchmark score: 33,455 points. Launch price was $499.
Processing Power
The Xeon D-2799 packs 20 cores / 40 threads, while the Ryzen Threadripper PRO 3945WX offers 12 cores / 24 threads — the Xeon D-2799 has 8 more cores. Boost clocks reach 3.4 GHz on the Xeon D-2799 versus 4.3 GHz on the Ryzen Threadripper PRO 3945WX — a 23.4% clock advantage for the Ryzen Threadripper PRO 3945WX (base: 2.4 GHz vs 4 GHz). The Xeon D-2799 uses the Ice Lake-D (2022−2023) architecture (10 nm), while the Ryzen Threadripper PRO 3945WX uses Castle Peak (2020) (7 nm, 12 nm). In PassMark, the Xeon D-2799 scores 33,792 against the Ryzen Threadripper PRO 3945WX's 33,455 — a 1% lead for the Xeon D-2799. Cinebench R23 multi-core: 20,000 vs 18,500 (7.8% advantage for the Xeon D-2799). Geekbench 6 single-core — the metric most relevant to gaming — records 1,959 vs 1,652, a 17% lead for the Xeon D-2799 that directly translates to higher frame rates. Multi-core Geekbench: 1,895 vs 11,500 (143.4% advantage for the Ryzen Threadripper PRO 3945WX). L3 cache: 30 MB (total) on the Xeon D-2799 vs 64 MB on the Ryzen Threadripper PRO 3945WX.
| Feature | Xeon D-2799 | Ryzen Threadripper PRO 3945WX |
|---|---|---|
| Cores / Threads | 20 / 40+67% | 12 / 24 |
| Boost Clock | 3.4 GHz | 4.3 GHz+26% |
| Base Clock | 2.4 GHz | 4 GHz+67% |
| L3 Cache | 30 MB (total) | 64 MB+113% |
| L2 Cache | 1.25 MB (per core)+150% | 512 kB (per core) |
| Process | 10 nm | 7 nm, 12 nm-30% |
| Architecture | Ice Lake-D (2022−2023) | Castle Peak (2020) |
| PassMark | 33,792+1% | 33,455 |
| Cinebench R23 Multi | 20,000+8% | 18,500 |
| Geekbench 6 Single | 1,959+19% | 1,652 |
| Geekbench 6 Multi | 1,895 | 11,500+507% |
Memory & Platform
The Xeon D-2799 uses the FCBGA2579 socket (PCIe 4.0), while the Ryzen Threadripper PRO 3945WX uses sWRX8 (PCIe 4.0) — making them incompatible on the same motherboard. Both support up to DDR4-3200 memory speed. The Ryzen Threadripper PRO 3945WX supports up to 2048 GB of RAM compared to 1024 GB — 66.7% more capacity for professional workloads. Memory channels: 4 (Xeon D-2799) vs 8 (Ryzen Threadripper PRO 3945WX). PCIe lanes: 32 (Xeon D-2799) vs 128 (Ryzen Threadripper PRO 3945WX) — the Ryzen Threadripper PRO 3945WX offers 96 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Ice Lake-D (Xeon D-2799) and WRX80 (Ryzen Threadripper PRO 3945WX).
| Feature | Xeon D-2799 | Ryzen Threadripper PRO 3945WX |
|---|---|---|
| Socket | FCBGA2579 | sWRX8 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | DDR4-3200 | DDR4-3200 |
| Max RAM Capacity | 1024 GB | 2048 GB+100% |
| RAM Channels | 4 | 8+100% |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 32 | 128+300% |
Advanced Features
Only the Ryzen Threadripper PRO 3945WX has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Xeon D-2799 supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d, EPT (Xeon D-2799) vs AMD-V (Ryzen Threadripper PRO 3945WX). Primary use case: Xeon D-2799 targets Edge Server / Networking, Ryzen Threadripper PRO 3945WX targets Professional Workstation. Direct competitor: Xeon D-2799 rivals EPYC 7302; Ryzen Threadripper PRO 3945WX rivals Xeon w5-2455X.
| Feature | Xeon D-2799 | Ryzen Threadripper PRO 3945WX |
|---|---|---|
| Integrated GPU | No | No |
| Unlocked | No | Yes |
| AVX-512 | Yes | No |
| Virtualization | VT-x, VT-d, EPT | AMD-V |
| Target Use | Edge Server / Networking | Professional Workstation |
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