
EPYC 9454 vs EPYC 7773X

EPYC 9454

EPYC 7773X
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 9454
Performance Per Dollar EPYC 7773X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 9454 | EPYC 7773X |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($576) | ⚠️ Higher cost ($8,800) |
| Longevity | ✨ Modern (Genoa (2022−2023) / 5 nm, 6 nm) | ✨ Modern (Milan-X (2022) / 7 nm) |
💎 Value Proposition
| Insight | EPYC 9454 | EPYC 7773X |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+1371%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($576) | ⚠️ Higher cost ($8,800) |
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 9454 and EPYC 7773X

EPYC 9454
The EPYC 9454 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 48 cores and 96 threads. Base frequency is 2.75 GHz, with boost up to 3.8 GHz. L3 cache: 256 MB (total). L2 cache: 1 MB (per core). Built on 5 nm, 6 nm process technology. Socket: SP5. Thermal design power (TDP): 290 Watt. Memory support: DDR5-4800. Passmark benchmark score: 87,961 points. Launch price was $5,225.

EPYC 7773X
The EPYC 7773X is manufactured by AMD. It was released in 2022-03-22. It is based on the Milan-X (2022) architecture. It features 64 cores and 128 threads. Base frequency is 2.2 GHz, with boost up to 3.5 GHz. L3 cache: 768 MB (total). L2 cache: 512K (per core). Built on 7 nm process technology. Socket: SP3. Thermal design power (TDP): 280 Watt. Memory support: DDR4-3200. Passmark benchmark score: 91,340 points. Launch price was $8,800.
Processing Power
The EPYC 9454 packs 48 cores / 96 threads, while the EPYC 7773X offers 64 cores / 128 threads — the EPYC 7773X has 16 more cores. Boost clocks reach 3.8 GHz on the EPYC 9454 versus 3.5 GHz on the EPYC 7773X — a 8.2% clock advantage for the EPYC 9454 (base: 2.75 GHz vs 2.2 GHz). The EPYC 9454 uses the Genoa (2022−2023) architecture (5 nm, 6 nm), while the EPYC 7773X uses Milan-X (2022) (7 nm). In PassMark, the EPYC 9454 scores 87,961 against the EPYC 7773X's 91,340 — a 3.8% lead for the EPYC 7773X. L3 cache: 256 MB (total) on the EPYC 9454 vs 768 MB (total) on the EPYC 7773X.
| Feature | EPYC 9454 | EPYC 7773X |
|---|---|---|
| Cores / Threads | 48 / 96 | 64 / 128+33% |
| Boost Clock | 3.8 GHz+9% | 3.5 GHz |
| Base Clock | 2.75 GHz+25% | 2.2 GHz |
| L3 Cache | 256 MB (total) | 768 MB (total)+200% |
| L2 Cache | 1 MB (per core)+100% | 512K (per core) |
| Process | 5 nm, 6 nm-29% | 7 nm |
| Architecture | Genoa (2022−2023) | Milan-X (2022) |
| PassMark | 87,961 | 91,340+4% |
| Geekbench 6 Single | — | 1,536 |
| Geekbench 6 Multi | — | 45,000 |
Memory & Platform
The EPYC 9454 uses the SP5 socket (PCIe 5.0), while the EPYC 7773X uses SP3 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800 on the EPYC 9454 versus DDR4-3200 on the EPYC 7773X — the EPYC 9454 supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 9454 supports up to 6 TB of RAM compared to 4 TB — 40% more capacity for professional workloads. Memory channels: 12 (EPYC 9454) vs 8 (EPYC 7773X). Both provide 128 PCIe lanes. Chipset compatibility: SP5 (EPYC 9454) and SP3 (EPYC 7773X).
| Feature | EPYC 9454 | EPYC 7773X |
|---|---|---|
| Socket | SP5 | SP3 |
| PCIe Generation | PCIe 5.0+25% | PCIe 4.0 |
| Max RAM Speed | DDR5-4800+25% | DDR4-3200 |
| Max RAM Capacity | 6 TB+50% | 4 TB |
| RAM Channels | 12+50% | 8 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128 | 128 |
Advanced Features
Virtualization support: AMD-V, SEV-SNP (EPYC 9454) vs AMD-V (EPYC 7773X). Primary use case: EPYC 9454 targets Data Center, EPYC 7773X targets Server. Direct competitor: EPYC 9454 rivals Xeon Platinum 8468; EPYC 7773X rivals EPYC 9654.
| Feature | EPYC 9454 | EPYC 7773X |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | — | None |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | AMD-V, SEV-SNP | AMD-V |
| Target Use | Data Center | Server |
Value Analysis
The EPYC 9454 launched at $5225 MSRP, while the EPYC 7773X debuted at $8800. At current prices ($576 vs $8800), the EPYC 9454 is $8224 cheaper. In terms of value (PassMark points per dollar), the EPYC 9454 delivers 152.7 pts/$ vs 10.4 pts/$ for the EPYC 7773X — making the EPYC 9454 the 174.5% better value option.
| Feature | EPYC 9454 | EPYC 7773X |
|---|---|---|
| MSRP | $5225-41% | $8800 |
| Avg Price (30d) | $576-93% | $8800 |
| Performance per Dollar | 152.7+1368% | 10.4 |
| Release Date | 2022 | 2022 |
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