EPYC 7642 vs EPYC 4584PX
EPYC 7642
EPYC 4584PX
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 7642
Performance Per Dollar EPYC 4584PX
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 7642 | EPYC 4584PX |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($850) | ⚠️ Higher cost ($1,517) |
| Longevity | ✨ Modern (Zen 2 (2017−2020) / 7 nm, 14 nm) | ✨ Modern (Raphael (2023−2025) / 5 nm) |
💎 Value Proposition
| Insight | EPYC 7642 | EPYC 4584PX |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+76%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($850) | ⚠️ Higher cost ($1,517) |
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 7642 and EPYC 4584PX
EPYC 7642
The EPYC 7642 is manufactured by AMD. It was released in 7 August 2019 (6 years ago). It is based on the Zen 2 (2017−2020) architecture. It features 48 cores and 96 threads. Base frequency is 2.4 GHz, with boost up to 3.4 GHz. L3 cache: 256 MB (total). L2 cache: 512K (per core). Built on 7 nm, 14 nm process technology. Socket: TR4. Thermal design power (TDP): 225 Watt. Memory support: DDR4 Eight-channel. Passmark benchmark score: 59,333 points. Launch price was $4,775.
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.
Processing Power
The EPYC 7642 packs 48 cores / 96 threads, while the EPYC 4584PX offers 16 cores / 32 threads — the EPYC 7642 has 32 more cores. Boost clocks reach 3.4 GHz on the EPYC 7642 versus 5.7 GHz on the EPYC 4584PX — a 50.5% clock advantage for the EPYC 4584PX (base: 2.4 GHz vs 4.2 GHz). The EPYC 7642 uses the Zen 2 (2017−2020) architecture (7 nm, 14 nm), while the EPYC 4584PX uses Raphael (2023−2025) (5 nm). In PassMark, the EPYC 7642 scores 59,333 against the EPYC 4584PX's 60,169 — a 1.4% lead for the EPYC 4584PX. L3 cache: 256 MB (total) on the EPYC 7642 vs 128 MB (total) on the EPYC 4584PX.
| Feature | EPYC 7642 | EPYC 4584PX |
|---|---|---|
| Cores / Threads | 48 / 96+200% | 16 / 32 |
| Boost Clock | 3.4 GHz | 5.7 GHz+68% |
| Base Clock | 2.4 GHz | 4.2 GHz+75% |
| L3 Cache | 256 MB (total)+100% | 128 MB (total) |
| L2 Cache | 512K (per core) | 1 MB (per core)+100% |
| Process | 7 nm, 14 nm | 5 nm-29% |
| Architecture | Zen 2 (2017−2020) | Raphael (2023−2025) |
| PassMark | 59,333 | 60,169+1% |
Memory & Platform
The EPYC 7642 uses the TR4 socket (PCIe 4.0), while the EPYC 4584PX uses AM5 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 3200 on the EPYC 7642 versus 5200 on the EPYC 4584PX — the EPYC 4584PX supports 47.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 7642 supports up to 4096 of RAM compared to 256 — 176.5% more capacity for professional workloads. Memory channels: 8 (EPYC 7642) vs 2 (EPYC 4584PX). PCIe lanes: 128 (EPYC 7642) vs 28 (EPYC 4584PX) — the EPYC 7642 offers 100 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP3 (EPYC 7642) and AM5 (EPYC 4584PX).
| Feature | EPYC 7642 | EPYC 4584PX |
|---|---|---|
| Socket | TR4 | AM5 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | 3200 | 5200+63% |
| Max RAM Capacity | 4096+1500% | 256 |
| RAM Channels | 8+300% | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128+357% | 28 |
Advanced Features
Only the EPYC 4584PX has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the EPYC 4584PX supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (EPYC 7642) vs VT-x, VT-d, AMD-V (EPYC 4584PX). The EPYC 4584PX includes integrated graphics (AMD Radeon Graphics), while the EPYC 7642 requires a dedicated GPU. Direct competitor: EPYC 7642 rivals Xeon Platinum 8380; EPYC 4584PX rivals Ryzen 9 7950X.
| Feature | EPYC 7642 | EPYC 4584PX |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | None | AMD Radeon Graphics |
| Unlocked | No | Yes |
| AVX-512 | No | Yes |
| Virtualization | VT-x, VT-d | VT-x, VT-d, AMD-V |
Value Analysis
The EPYC 7642 launched at $4775 MSRP, while the EPYC 4584PX debuted at $1517. At current prices ($850 vs $1517), the EPYC 7642 is $667 cheaper. In terms of value (PassMark points per dollar), the EPYC 7642 delivers 69.8 pts/$ vs 39.7 pts/$ for the EPYC 4584PX — making the EPYC 7642 the 55.1% better value option.
| Feature | EPYC 7642 | EPYC 4584PX |
|---|---|---|
| MSRP | $4775 | $1517-68% |
| Avg Price (30d) | $850-44% | $1517 |
| Performance per Dollar | 69.8+76% | 39.7 |
| Release Date | 2019 | 2024 |
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