Ryzen 7 5800X vs Xeon Gold 6143
Ryzen 7 5800X
Xeon Gold 6143
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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 Ryzen 7 5800X
Performance Per Dollar Xeon Gold 6143
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 7 5800X | Xeon Gold 6143 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($180) | ⚠️ Higher cost ($342) |
| Longevity | ✨ Modern (Vermeer (Zen 3) (2020−2022) / 7 nm, 12 nm) | ✨ Modern (Legacy / 14 nm) |
💎 Value Proposition
| Insight | Ryzen 7 5800X | Xeon Gold 6143 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+112%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($180) | ⚠️ Higher cost ($342) |
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 7 5800X and Xeon Gold 6143
Ryzen 7 5800X
The Ryzen 7 5800X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen 3) (2020−2022) architecture. It features 8 cores and 16 threads. Base frequency is 3.8 GHz, with boost up to 4.7 GHz. L3 cache: 32 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4. Passmark benchmark score: 27,712 points. Launch price was $449.
Xeon Gold 6143
The Xeon Gold 6143 is manufactured by Intel. It was released in 2015-01-01. It features 16 cores and 32 threads. Base frequency is 2.8 GHz, with boost up to 4 GHz. L3 cache: 22 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 205 Watt. Memory support: DDR4-2666. Passmark benchmark score: 24,786 points. Launch price was $800.
Processing Power
The Ryzen 7 5800X packs 8 cores / 16 threads, while the Xeon Gold 6143 offers 16 cores / 32 threads — the Xeon Gold 6143 has 8 more cores. Boost clocks reach 4.7 GHz on the Ryzen 7 5800X versus 4 GHz on the Xeon Gold 6143 — a 16.1% clock advantage for the Ryzen 7 5800X (base: 3.8 GHz vs 2.8 GHz). The Ryzen 7 5800X is built on the Vermeer (Zen 3) (2020−2022) architecture. In PassMark, the Ryzen 7 5800X scores 27,712 against the Xeon Gold 6143's 24,786 — a 11.1% lead for the Ryzen 7 5800X. L3 cache: 32 MB on the Ryzen 7 5800X vs 22 MB on the Xeon Gold 6143.
| Feature | Ryzen 7 5800X | Xeon Gold 6143 |
|---|---|---|
| Cores / Threads | 8 / 16 | 16 / 32+100% |
| Boost Clock | 4.7 GHz+18% | 4 GHz |
| Base Clock | 3.8 GHz+36% | 2.8 GHz |
| L3 Cache | 32 MB+45% | 22 MB |
| L2 Cache | 512K (per core) | — |
| Process | 7 nm, 12 nm-50% | 14 nm |
| Architecture | Vermeer (Zen 3) (2020−2022) | — |
| PassMark | 27,712+12% | 24,786 |
Memory & Platform
The Ryzen 7 5800X uses the AM4 socket (PCIe 4.0), while the Xeon Gold 6143 uses LGA3647 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Ryzen 7 5800X | Xeon Gold 6143 |
|---|---|---|
| Socket | AM4 | LGA3647 |
| PCIe Generation | PCIe 4.0+33% | PCIe 3.0 |
| Max RAM Speed | DDR4-3200 | — |
| Max RAM Capacity | 128 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ✅ | — |
| PCIe Lanes | 24 | — |
Advanced Features
Virtualization: AMD-V (Ryzen 7 5800X) / not specified (Xeon Gold 6143). Primary use case: Ryzen 7 5800X targets Desktop.
| Feature | Ryzen 7 5800X | Xeon Gold 6143 |
|---|---|---|
| Integrated GPU | No | — |
| Unlocked | Yes | — |
| AVX-512 | No | — |
| Virtualization | AMD-V | — |
| Target Use | Desktop | — |
Value Analysis
The Ryzen 7 5800X launched at $449 MSRP, while the Xeon Gold 6143 debuted at $342. At current prices ($180 vs $342), the Ryzen 7 5800X is $162 cheaper. In terms of value (PassMark points per dollar), the Ryzen 7 5800X delivers 154.0 pts/$ vs 72.5 pts/$ for the Xeon Gold 6143 — making the Ryzen 7 5800X the 72% better value option.
| Feature | Ryzen 7 5800X | Xeon Gold 6143 |
|---|---|---|
| MSRP | $449 | $342-24% |
| Avg Price (30d) | $180-47% | $342 |
| Performance per Dollar | 154.0+112% | 72.5 |
| Release Date | 2020 | 2017 |
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