EPYC 4584PX vs Xeon Gold 6421N
EPYC 4584PX
Xeon Gold 6421N
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 EPYC 4584PX
Performance Per Dollar Xeon Gold 6421N
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 4584PX | Xeon Gold 6421N |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($1,517) | ⚠️ Higher cost ($2,427) |
| Longevity | ✨ Modern (Raphael (2023−2025) / 5 nm) | ✨ Modern (Sapphire Rapids (2023−2024) / Intel 7 nm) |
💎 Value Proposition
| Insight | EPYC 4584PX | Xeon Gold 6421N |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+64%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($1,517) | ⚠️ Higher cost ($2,427) |
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 EPYC 4584PX and Xeon Gold 6421N
EPYC 4584PX
The EPYC 4584PX is manufactured by AMD. It was released in 21 May 2024 (1 year ago). It is based on the Raphael (2023−2025) 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 process technology. Socket: AM5. Thermal design power (TDP): 120 Watt. Memory support: DDR5. Passmark benchmark score: 60,169 points. Launch price was $699.
Xeon Gold 6421N
The Xeon Gold 6421N is manufactured by Intel. It was released in 10 January 2023 (2 years ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 32 cores and 64 threads. Base frequency is 1.8 GHz, with boost up to 3.6 GHz. L3 cache: 60 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 185 Watt. Memory support: DDR5-4400. Passmark benchmark score: 58,797 points. Launch price was $2,368.
Processing Power
The EPYC 4584PX packs 16 cores / 32 threads, while the Xeon Gold 6421N offers 32 cores / 64 threads — the Xeon Gold 6421N has 16 more cores. Boost clocks reach 5.7 GHz on the EPYC 4584PX versus 3.6 GHz on the Xeon Gold 6421N — a 45.2% clock advantage for the EPYC 4584PX (base: 4.2 GHz vs 1.8 GHz). The EPYC 4584PX uses the Raphael (2023−2025) architecture (5 nm), while the Xeon Gold 6421N uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the EPYC 4584PX scores 60,169 against the Xeon Gold 6421N's 58,797 — a 2.3% lead for the EPYC 4584PX. L3 cache: 128 MB (total) on the EPYC 4584PX vs 60 MB on the Xeon Gold 6421N.
| Feature | EPYC 4584PX | Xeon Gold 6421N |
|---|---|---|
| Cores / Threads | 16 / 32 | 32 / 64+100% |
| Boost Clock | 5.7 GHz+58% | 3.6 GHz |
| Base Clock | 4.2 GHz+133% | 1.8 GHz |
| L3 Cache | 128 MB (total)+113% | 60 MB |
| L2 Cache | 1 MB (per core) | 2 MB (per core)+100% |
| Process | 5 nm-29% | Intel 7 nm |
| Architecture | Raphael (2023−2025) | Sapphire Rapids (2023−2024) |
| PassMark | 60,169+2% | 58,797 |
Memory & Platform
The EPYC 4584PX uses the AM5 socket (PCIe 4.0), while the Xeon Gold 6421N uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 5200 on the EPYC 4584PX versus 4800 on the Xeon Gold 6421N — the EPYC 4584PX supports 8% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Gold 6421N supports up to 4096 of RAM compared to 256 — 176.5% more capacity for professional workloads. Memory channels: 2 (EPYC 4584PX) vs 8 (Xeon Gold 6421N). PCIe lanes: 28 (EPYC 4584PX) vs 80 (Xeon Gold 6421N) — the Xeon Gold 6421N offers 52 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AM5 (EPYC 4584PX) and C741 (Xeon Gold 6421N).
| Feature | EPYC 4584PX | Xeon Gold 6421N |
|---|---|---|
| Socket | AM5 | LGA4677 |
| PCIe Generation | PCIe 4.0 | PCIe 5.0+25% |
| Max RAM Speed | 5200+8% | 4800 |
| Max RAM Capacity | 256 | 4096+1500% |
| RAM Channels | 2 | 8+300% |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 28 | 80+186% |
Advanced Features
Only the EPYC 4584PX 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, AMD-V (EPYC 4584PX) vs VT-x, VT-d (Xeon Gold 6421N). The EPYC 4584PX includes integrated graphics (AMD Radeon Graphics), while the Xeon Gold 6421N requires a dedicated GPU. Direct competitor: EPYC 4584PX rivals Ryzen 9 7950X; Xeon Gold 6421N rivals EPYC 9354.
| Feature | EPYC 4584PX | Xeon Gold 6421N |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | AMD Radeon Graphics | None |
| Unlocked | Yes | No |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d, AMD-V | VT-x, VT-d |
Value Analysis
The EPYC 4584PX launched at $1517 MSRP, while the Xeon Gold 6421N debuted at $2368. At current prices ($1517 vs $2427), the EPYC 4584PX is $910 cheaper. In terms of value (PassMark points per dollar), the EPYC 4584PX delivers 39.7 pts/$ vs 24.2 pts/$ for the Xeon Gold 6421N — making the EPYC 4584PX the 48.3% better value option.
| Feature | EPYC 4584PX | Xeon Gold 6421N |
|---|---|---|
| MSRP | $1517-36% | $2368 |
| Avg Price (30d) | $1517-37% | $2427 |
| Performance per Dollar | 39.7+64% | 24.2 |
| Release Date | 2024 | 2023 |
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