EPYC 7642 vs EPYC 7473X
EPYC 7642
EPYC 7473X
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 7473X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 7642 | EPYC 7473X |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($850) | ✅ More affordable ($200) |
| Longevity | ✨ Modern (Zen 2 (2017−2020) / 7 nm, 14 nm) | ✨ Modern (Milan-X (2022) / 7 nm) |
💎 Value Proposition
| Insight | EPYC 7642 | EPYC 7473X |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+325%) |
| Upfront Cost | ⚠️ Higher cost ($850) | ✅ More affordable ($200) |
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 7473X
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 7473X
The EPYC 7473X is manufactured by AMD. It was released in 2022-03-01. It is based on the Milan-X (2022) architecture. It features 24 cores and 48 threads. Base frequency is 2.8 GHz, with boost up to 3.7 GHz. L3 cache: 768 MB (total). L2 cache: 512K (per core). Built on 7 nm process technology. Socket: SP3. Thermal design power (TDP): 240 Watt. Memory support: DDR4-3200. Passmark benchmark score: 59,280 points. Launch price was $3,900.
Processing Power
The EPYC 7642 packs 48 cores / 96 threads, while the EPYC 7473X offers 24 cores / 48 threads — the EPYC 7642 has 24 more cores. Boost clocks reach 3.4 GHz on the EPYC 7642 versus 3.7 GHz on the EPYC 7473X — a 8.5% clock advantage for the EPYC 7473X (base: 2.4 GHz vs 2.8 GHz). The EPYC 7642 uses the Zen 2 (2017−2020) architecture (7 nm, 14 nm), while the EPYC 7473X uses Milan-X (2022) (7 nm). In PassMark, the EPYC 7642 scores 59,333 against the EPYC 7473X's 59,280 — a 0.1% lead for the EPYC 7642. L3 cache: 256 MB (total) on the EPYC 7642 vs 768 MB (total) on the EPYC 7473X.
| Feature | EPYC 7642 | EPYC 7473X |
|---|---|---|
| Cores / Threads | 48 / 96+100% | 24 / 48 |
| Boost Clock | 3.4 GHz | 3.7 GHz+9% |
| Base Clock | 2.4 GHz | 2.8 GHz+17% |
| L3 Cache | 256 MB (total) | 768 MB (total)+200% |
| L2 Cache | 512K (per core) | 512K (per core) |
| Process | 7 nm, 14 nm | 7 nm |
| Architecture | Zen 2 (2017−2020) | Milan-X (2022) |
| PassMark | 59,333 | 59,280 |
Memory & Platform
The EPYC 7642 uses the TR4 socket (PCIe 4.0), while the EPYC 7473X uses SP3 (PCIe 4.0) — making them incompatible on the same motherboard. Both support up to 3200 memory speed. Both support up to 4096 of RAM. Both feature 8-channel memory with ECC support. Both provide 128 PCIe lanes. Chipset compatibility: SP3 (EPYC 7642) and SP3 (EPYC 7473X).
| Feature | EPYC 7642 | EPYC 7473X |
|---|---|---|
| Socket | TR4 | SP3 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | 3200 | 3200 |
| Max RAM Capacity | 4096 | 4096 |
| RAM Channels | 8 | 8 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128 | 128 |
Advanced Features
Neither processor supports overclocking. Both support VT-x, VT-d virtualization. Direct competitor: EPYC 7642 rivals Xeon Platinum 8380; EPYC 7473X rivals Xeon Platinum 8380.
| Feature | EPYC 7642 | EPYC 7473X |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x, VT-d | VT-x, VT-d |
Value Analysis
The EPYC 7642 launched at $4775 MSRP, while the EPYC 7473X debuted at $3900. At current prices ($850 vs $200), the EPYC 7473X is $650 cheaper. In terms of value (PassMark points per dollar), the EPYC 7642 delivers 69.8 pts/$ vs 296.4 pts/$ for the EPYC 7473X — making the EPYC 7473X the 123.8% better value option.
| Feature | EPYC 7642 | EPYC 7473X |
|---|---|---|
| MSRP | $4775 | $3900-18% |
| Avg Price (30d) | $850 | $200-76% |
| Performance per Dollar | 69.8 | 296.4+325% |
| Release Date | 2019 | 2022 |
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