Xeon Gold 6142 vs Ryzen 9 7950X3D
Xeon Gold 6142
Popular choices:
Ryzen 9 7950X3D
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 Gold 6142
Performance Per Dollar Ryzen 9 7950X3D
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon Gold 6142 | Ryzen 9 7950X3D |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($486) |
| Longevity | ✨ Modern (Skylake (server) (2017−2018) / 14 nm) | ✨ Modern (Raphael (Zen4) (2022−2023) / 5 nm, 6 nm) |
💎 Value Proposition
| Insight | Xeon Gold 6142 | Ryzen 9 7950X3D |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($486) |
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 Gold 6142 and Ryzen 9 7950X3D
Xeon Gold 6142
The Xeon Gold 6142 is manufactured by Intel. It was released in 25 April 2017 (8 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 16 cores and 32 threads. Base frequency is 2.6 GHz, with boost up to 3.7 GHz. L3 cache: 22 MB. L2 cache: 16 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 150 Watt. Memory support: DDR4-2666. Passmark benchmark score: 25,490 points. Launch price was $2,946.
Ryzen 9 7950X3D
The Ryzen 9 7950X3D is manufactured by AMD. It was released in 4 January 2023 (2 years ago). It is based on the Raphael (Zen4) (2022−2023) architecture. It features 16 cores and 32 threads. Base frequency is 4.2 GHz, with boost up to 5.7 GHz. L3 cache: 128 MB (total). L2 cache: 1 MB (per core). Built on 5 nm, 6 nm process technology. Socket: AM5. Thermal design power (TDP): 120 Watt. Memory support: DDR5-5200. Passmark benchmark score: 62,323 points. Launch price was $699.
Processing Power
Both the Xeon Gold 6142 and Ryzen 9 7950X3D share an identical 16-core/32-thread configuration. Boost clocks reach 3.7 GHz on the Xeon Gold 6142 versus 5.7 GHz on the Ryzen 9 7950X3D — a 42.6% clock advantage for the Ryzen 9 7950X3D (base: 2.6 GHz vs 4.2 GHz). The Xeon Gold 6142 uses the Skylake (server) (2017−2018) architecture (14 nm), while the Ryzen 9 7950X3D uses Raphael (Zen4) (2022−2023) (5 nm, 6 nm). In PassMark, the Xeon Gold 6142 scores 25,490 against the Ryzen 9 7950X3D's 62,323 — a 83.9% lead for the Ryzen 9 7950X3D. L3 cache: 22 MB on the Xeon Gold 6142 vs 128 MB (total) on the Ryzen 9 7950X3D.
| Feature | Xeon Gold 6142 | Ryzen 9 7950X3D |
|---|---|---|
| Cores / Threads | 16 / 32 | 16 / 32 |
| Boost Clock | 3.7 GHz | 5.7 GHz+54% |
| Base Clock | 2.6 GHz | 4.2 GHz+62% |
| L3 Cache | 22 MB | 128 MB (total)+482% |
| L2 Cache | 16 MB+1500% | 1 MB (per core) |
| Process | 14 nm | 5 nm, 6 nm-64% |
| Architecture | Skylake (server) (2017−2018) | Raphael (Zen4) (2022−2023) |
| PassMark | 25,490 | 62,323+144% |
| Cinebench R23 Multi | — | 38,581 |
| Geekbench 6 Single | — | 2,926 |
| Geekbench 6 Multi | — | 19,643 |
Memory & Platform
The Xeon Gold 6142 uses the LGA3647 socket (PCIe 3.0), while the Ryzen 9 7950X3D uses AM5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 2666 on the Xeon Gold 6142 versus DDR5-5200 on the Ryzen 9 7950X3D — the Xeon Gold 6142 supports 199.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Gold 6142 supports up to 768 of RAM compared to 128 GB — 142.9% more capacity for professional workloads. Memory channels: 6 (Xeon Gold 6142) vs 2 (Ryzen 9 7950X3D). PCIe lanes: 48 (Xeon Gold 6142) vs 28 (Ryzen 9 7950X3D) — the Xeon Gold 6142 offers 20 more lanes for additional GPUs or NVMe drives. Chipset compatibility: C621 (Xeon Gold 6142) and AMD X670E,AMD X670,AMD B650E,AMD B650 (Ryzen 9 7950X3D).
| Feature | Xeon Gold 6142 | Ryzen 9 7950X3D |
|---|---|---|
| Socket | LGA3647 | AM5 |
| PCIe Generation | PCIe 3.0 | PCIe 5.0+67% |
| Max RAM Speed | 2666+53220% | DDR5-5200 |
| Max RAM Capacity | 768 | 128 GB+17476167% |
| RAM Channels | 6+200% | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 48+71% | 28 |
Advanced Features
Only the Ryzen 9 7950X3D has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: VT-x, VT-d (Xeon Gold 6142) vs true (Ryzen 9 7950X3D). The Ryzen 9 7950X3D includes integrated graphics (Radeon Graphics), while the Xeon Gold 6142 requires a dedicated GPU. Direct competitor: Xeon Gold 6142 rivals EPYC 7451; Ryzen 9 7950X3D rivals Core i9-13900K.
| Feature | Xeon Gold 6142 | Ryzen 9 7950X3D |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | None | Radeon Graphics |
| Unlocked | No | Yes |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d | true |
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