EPYC 9554 vs EPYC 9634
EPYC 9554
EPYC 9634
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 9554
Performance Per Dollar EPYC 9634
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 9554 | EPYC 9634 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($2,795) | ⚠️ Higher cost ($3,949) |
| Longevity | ✨ Modern (Genoa (2022−2023) / 5 nm, 6 nm) | ✨ Modern (Genoa (2022−2023) / 5 nm, 6 nm) |
💎 Value Proposition
| Insight | EPYC 9554 | EPYC 9634 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+37%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($2,795) | ⚠️ Higher cost ($3,949) |
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 9554 and EPYC 9634
EPYC 9554
The EPYC 9554 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 64 cores and 128 threads. Base frequency is 3.1 GHz, with boost up to 3.75 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): 360 Watt. Memory support: DDR5-4800. Passmark benchmark score: 104,336 points. Launch price was $9,087.
EPYC 9634
The EPYC 9634 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 84 cores and 168 threads. Base frequency is 2.25 GHz, with boost up to 3.7 GHz. L3 cache: 384 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: 107,944 points. Launch price was $10,304.
Processing Power
The EPYC 9554 packs 64 cores / 128 threads, while the EPYC 9634 offers 84 cores / 168 threads — the EPYC 9634 has 20 more cores. Boost clocks reach 3.75 GHz on the EPYC 9554 versus 3.7 GHz on the EPYC 9634 — a 1.3% clock advantage for the EPYC 9554 (base: 3.1 GHz vs 2.25 GHz). Both are built on the Genoa (2022−2023) architecture using a 5 nm, 6 nm process. In PassMark, the EPYC 9554 scores 104,336 against the EPYC 9634's 107,944 — a 3.4% lead for the EPYC 9634. L3 cache: 256 MB (total) on the EPYC 9554 vs 384 MB (total) on the EPYC 9634.
| Feature | EPYC 9554 | EPYC 9634 |
|---|---|---|
| Cores / Threads | 64 / 128 | 84 / 168+31% |
| Boost Clock | 3.75 GHz+1% | 3.7 GHz |
| Base Clock | 3.1 GHz+38% | 2.25 GHz |
| L3 Cache | 256 MB (total) | 384 MB (total)+50% |
| L2 Cache | 1 MB (per core) | 1 MB (per core) |
| Process | 5 nm, 6 nm | 5 nm, 6 nm |
| Architecture | Genoa (2022−2023) | Genoa (2022−2023) |
| PassMark | 104,336 | 107,944+3% |
| Geekbench 6 Single | — | 1,800 |
| Geekbench 6 Multi | — | 85,000 |
Memory & Platform
Both processors use the SP5 socket with PCIe 5.0. Both support up to DDR5-4800 memory speed. The EPYC 9634 supports up to 6144 GB of RAM compared to 6 TB — 199.6% more capacity for professional workloads. Both feature 12-channel memory with ECC support. Both provide 128 PCIe lanes. Chipset compatibility: SP5 (EPYC 9554) and SoC (EPYC 9634).
| Feature | EPYC 9554 | EPYC 9634 |
|---|---|---|
| Socket | SP5 | SP5 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Max RAM Speed | DDR5-4800 | DDR5-4800 |
| Max RAM Capacity | 6 TB | 6144 GB |
| RAM Channels | 12 | 12 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128 | 128 |
Advanced Features
Virtualization support: AMD-V, SEV-SNP (EPYC 9554) vs AMD-V (EPYC 9634). Primary use case: EPYC 9554 targets Data Center, EPYC 9634 targets Server/Datacenter. Direct competitor: EPYC 9554 rivals Xeon 8468; EPYC 9634 rivals Xeon 8470.
| Feature | EPYC 9554 | EPYC 9634 |
|---|---|---|
| Integrated GPU | No | No |
| Unlocked | — | No |
| AVX-512 | — | Yes |
| Virtualization | AMD-V, SEV-SNP | AMD-V |
| Target Use | Data Center | Server/Datacenter |
Value Analysis
The EPYC 9554 launched at $9087 MSRP, while the EPYC 9634 debuted at $10304. At current prices ($2795 vs $3949), the EPYC 9554 is $1154 cheaper. In terms of value (PassMark points per dollar), the EPYC 9554 delivers 37.3 pts/$ vs 27.3 pts/$ for the EPYC 9634 — making the EPYC 9554 the 30.9% better value option.
| Feature | EPYC 9554 | EPYC 9634 |
|---|---|---|
| MSRP | $9087-12% | $10304 |
| Avg Price (30d) | $2795-29% | $3949 |
| Performance per Dollar | 37.3+37% | 27.3 |
| Release Date | 2022 | 2022 |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
You May Also Compare
Similar CPU comparisons based on EPYC 9554 and EPYC 9634
