EPYC 7543 vs EPYC 9334
EPYC 7543
EPYC 9334
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 7543
Performance Per Dollar EPYC 9334
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 7543 | EPYC 9334 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($468) | ⚠️ Higher cost ($1,810) |
| Longevity | ✨ Modern (Milan (2021−2023) / 7 nm+) | ✨ Modern (Genoa (2022−2023) / 5 nm, 6 nm) |
💎 Value Proposition
| Insight | EPYC 7543 | EPYC 9334 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+271%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($468) | ⚠️ Higher cost ($1,810) |
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 7543 and EPYC 9334
EPYC 7543
The EPYC 7543 is manufactured by AMD. It was released in 15 March 2021 (4 years ago). It is based on the Milan (2021−2023) architecture. It features 32 cores and 64 threads. Base frequency is 2.8 GHz, with boost up to 3.7 GHz. L3 cache: 256 MB (total). L2 cache: 512 kB (per core). Built on 7 nm+ process technology. Socket: SP3. Thermal design power (TDP): 225 Watt. Memory support: DDR4-3200. Passmark benchmark score: 62,952 points. Launch price was $3,761.
EPYC 9334
The EPYC 9334 is manufactured by AMD. It was released in 10 November 2022 (3 years ago). It is based on the Genoa (2022−2023) architecture. It features 32 cores and 64 threads. Base frequency is 2.7 GHz, with boost up to 3.9 GHz. L3 cache: 128 MB (total). L2 cache: 1 MB (per core). Built on 5 nm, 6 nm process technology. Socket: SP5. Thermal design power (TDP): 210 Watt. Memory support: DDR5-4800. Passmark benchmark score: 65,568 points. Launch price was $2,990.
Processing Power
Both the EPYC 7543 and EPYC 9334 share an identical 32-core/64-thread configuration. Boost clocks reach 3.7 GHz on the EPYC 7543 versus 3.9 GHz on the EPYC 9334 — a 5.3% clock advantage for the EPYC 9334 (base: 2.8 GHz vs 2.7 GHz). The EPYC 7543 uses the Milan (2021−2023) architecture (7 nm+), while the EPYC 9334 uses Genoa (2022−2023) (5 nm, 6 nm). In PassMark, the EPYC 7543 scores 62,952 against the EPYC 9334's 65,568 — a 4.1% lead for the EPYC 9334. L3 cache: 256 MB (total) on the EPYC 7543 vs 128 MB (total) on the EPYC 9334.
| Feature | EPYC 7543 | EPYC 9334 |
|---|---|---|
| Cores / Threads | 32 / 64 | 32 / 64 |
| Boost Clock | 3.7 GHz | 3.9 GHz+5% |
| Base Clock | 2.8 GHz+4% | 2.7 GHz |
| L3 Cache | 256 MB (total)+100% | 128 MB (total) |
| L2 Cache | 512 kB (per core) | 1 MB (per core)+100% |
| Process | 7 nm+ | 5 nm, 6 nm-29% |
| Architecture | Milan (2021−2023) | Genoa (2022−2023) |
| PassMark | 62,952 | 65,568+4% |
Memory & Platform
The EPYC 7543 uses the SP3 socket (PCIe 4.0), while the EPYC 9334 uses SP5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 3200 on the EPYC 7543 versus 4800 on the EPYC 9334 — the EPYC 9334 supports 40% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 9334 supports up to 6144 of RAM compared to 4096 — 40% more capacity for professional workloads. Memory channels: 8 (EPYC 7543) vs 12 (EPYC 9334). Both provide 128 PCIe lanes. Chipset compatibility: SP3 (EPYC 7543) and SP5 (EPYC 9334).
| Feature | EPYC 7543 | EPYC 9334 |
|---|---|---|
| Socket | SP3 | SP5 |
| PCIe Generation | PCIe 4.0 | PCIe 5.0+25% |
| Max RAM Speed | 3200 | 4800+50% |
| Max RAM Capacity | 4096 | 6144+50% |
| RAM Channels | 8 | 12+50% |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128 | 128 |
Advanced Features
Neither processor supports overclocking. Only the EPYC 9334 supports AVX-512 instructions — important for machine learning and scientific applications. Both support VT-x, VT-d virtualization. Direct competitor: EPYC 7543 rivals Xeon Platinum 8380; EPYC 9334 rivals Xeon Platinum 8468.
| Feature | EPYC 7543 | EPYC 9334 |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | No | No |
| AVX-512 | No | Yes |
| Virtualization | VT-x, VT-d | VT-x, VT-d |
Value Analysis
The EPYC 7543 launched at $10257 MSRP, while the EPYC 9334 debuted at $2990. At current prices ($468 vs $1810), the EPYC 7543 is $1342 cheaper. In terms of value (PassMark points per dollar), the EPYC 7543 delivers 134.5 pts/$ vs 36.2 pts/$ for the EPYC 9334 — making the EPYC 7543 the 115.1% better value option.
| Feature | EPYC 7543 | EPYC 9334 |
|---|---|---|
| MSRP | $10257 | $2990-71% |
| Avg Price (30d) | $468-74% | $1810 |
| Performance per Dollar | 134.5+272% | 36.2 |
| Release Date | 2021 | 2022 |
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