Ryzen 5 8400F vs Xeon Gold 6143
Ryzen 5 8400F
Xeon Gold 6143
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 5 8400F
Performance Per Dollar Xeon Gold 6143
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 5 8400F | Xeon Gold 6143 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($55) | ⚠️ Higher cost ($342) |
| Longevity | ✨ Modern (Phoenix (2023−2024) / 4 nm) | ✨ Modern (Legacy / 14 nm) |
💎 Value Proposition
| Insight | Ryzen 5 8400F | Xeon Gold 6143 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+516%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($55) | ⚠️ 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 5 8400F and Xeon Gold 6143
Ryzen 5 8400F
The Ryzen 5 8400F is manufactured by AMD. It was released in 1 April 2024 (1 year ago). It is based on the Phoenix (2023−2024) architecture. It features 6 cores and 12 threads. Base frequency is 4.2 GHz, with boost up to 4.7 GHz. L3 cache: 16 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: AM5. Thermal design power (TDP): 65 Watt. Memory support: DDR5. Passmark benchmark score: 24,554 points. Launch price was $170.
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 5 8400F packs 6 cores / 12 threads, while the Xeon Gold 6143 offers 16 cores / 32 threads — the Xeon Gold 6143 has 10 more cores. Boost clocks reach 4.7 GHz on the Ryzen 5 8400F versus 4 GHz on the Xeon Gold 6143 — a 16.1% clock advantage for the Ryzen 5 8400F (base: 4.2 GHz vs 2.8 GHz). The Ryzen 5 8400F is built on the Phoenix (2023−2024) architecture. In PassMark, the Ryzen 5 8400F scores 24,554 against the Xeon Gold 6143's 24,786 — a 0.9% lead for the Xeon Gold 6143. L3 cache: 16 MB (total) on the Ryzen 5 8400F vs 22 MB on the Xeon Gold 6143.
| Feature | Ryzen 5 8400F | Xeon Gold 6143 |
|---|---|---|
| Cores / Threads | 6 / 12 | 16 / 32+167% |
| Boost Clock | 4.7 GHz+18% | 4 GHz |
| Base Clock | 4.2 GHz+50% | 2.8 GHz |
| L3 Cache | 16 MB (total) | 22 MB+38% |
| L2 Cache | 1 MB (per core) | — |
| Process | 4 nm-71% | 14 nm |
| Architecture | Phoenix (2023−2024) | — |
| PassMark | 24,554 | 24,786 |
Memory & Platform
The Ryzen 5 8400F uses the AM5 socket (PCIe 4.0), while the Xeon Gold 6143 uses LGA3647 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Ryzen 5 8400F | Xeon Gold 6143 |
|---|---|---|
| Socket | AM5 | LGA3647 |
| PCIe Generation | PCIe 4.0+33% | PCIe 3.0 |
Value Analysis
The Ryzen 5 8400F launched at $303 MSRP, while the Xeon Gold 6143 debuted at $342. At current prices ($55 vs $342), the Ryzen 5 8400F is $287 cheaper. In terms of value (PassMark points per dollar), the Ryzen 5 8400F delivers 446.4 pts/$ vs 72.5 pts/$ for the Xeon Gold 6143 — making the Ryzen 5 8400F the 144.1% better value option.
| Feature | Ryzen 5 8400F | Xeon Gold 6143 |
|---|---|---|
| MSRP | $303-11% | $342 |
| Avg Price (30d) | $55-84% | $342 |
| Performance per Dollar | 446.4+516% | 72.5 |
| Release Date | 2024 | 2017 |
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