CPU
GPU
Xeon Gold 6548Y+
EPYC 9255
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 Xeon Gold 6548Y+
Performance Per Dollar EPYC 9255
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon Gold 6548Y+ | EPYC 9255 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($3,726) | ✅ More affordable ($1,934) |
| Longevity | ✨ Modern (Emerald Rapids (2023) / 10 nm) | ✨ Modern (Turin (2024) / 4 nm) |
💎 Value Proposition
| Insight | Xeon Gold 6548Y+ | EPYC 9255 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+99%) |
| Upfront Cost | ⚠️ Higher cost ($3,726) | ✅ More affordable ($1,934) |
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 Xeon Gold 6548Y+ and EPYC 9255
Xeon Gold 6548Y+
The Xeon Gold 6548Y+ is manufactured by Intel. It was released in 14 December 2023 (1 year ago). It is based on the Emerald Rapids (2023) architecture. It features 32 cores and 64 threads. Base frequency is 2.5 GHz, with boost up to 4.1 GHz. L3 cache: 60 MB (total). L2 cache: 2 MB (per core). Built on 10 nm process technology. Socket: LGA4677. Thermal design power (TDP): 250 Watt. Memory support: DDR5. Passmark benchmark score: 73,387 points. Launch price was $3,726.
EPYC 9255
The EPYC 9255 is manufactured by AMD. It was released in 10 October 2024 (1 year ago). It is based on the Turin (2024) architecture. It features 24 cores and 48 threads. Base frequency is 3.25 GHz, with boost up to 4.8 GHz. L3 cache: 128 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: SP5. Thermal design power (TDP): 200 Watt. Memory support: DDR5. Passmark benchmark score: 75,809 points. Launch price was $2,495.
Processing Power
The Xeon Gold 6548Y+ packs 32 cores / 64 threads, while the EPYC 9255 offers 24 cores / 48 threads — the Xeon Gold 6548Y+ has 8 more cores. Boost clocks reach 4.1 GHz on the Xeon Gold 6548Y+ versus 4.8 GHz on the EPYC 9255 — a 15.7% clock advantage for the EPYC 9255 (base: 2.5 GHz vs 3.25 GHz). The Xeon Gold 6548Y+ uses the Emerald Rapids (2023) architecture (10 nm), while the EPYC 9255 uses Turin (2024) (4 nm). In PassMark, the Xeon Gold 6548Y+ scores 73,387 against the EPYC 9255's 75,809 — a 3.2% lead for the EPYC 9255. L3 cache: 60 MB (total) on the Xeon Gold 6548Y+ vs 128 MB (total) on the EPYC 9255.
| Feature | Xeon Gold 6548Y+ | EPYC 9255 |
|---|---|---|
| Cores / Threads | 32 / 64+33% | 24 / 48 |
| Boost Clock | 4.1 GHz | 4.8 GHz+17% |
| Base Clock | 2.5 GHz | 3.25 GHz+30% |
| L3 Cache | 60 MB (total) | 128 MB (total)+113% |
| L2 Cache | 2 MB (per core)+100% | 1 MB (per core) |
| Process | 10 nm | 4 nm-60% |
| Architecture | Emerald Rapids (2023) | Turin (2024) |
| PassMark | 73,387 | 75,809+3% |
Memory & Platform
The Xeon Gold 6548Y+ uses the LGA4677 socket (PCIe 5.0), while the EPYC 9255 uses SP5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 5200 on the Xeon Gold 6548Y+ versus 4800 on the EPYC 9255 — the Xeon Gold 6548Y+ supports 8% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 9255 supports up to 6144 of RAM compared to 4096 — 40% more capacity for professional workloads. Memory channels: 8 (Xeon Gold 6548Y+) vs 12 (EPYC 9255). PCIe lanes: 80 (Xeon Gold 6548Y+) vs 128 (EPYC 9255) — the EPYC 9255 offers 48 more lanes for additional GPUs or NVMe drives. Chipset compatibility: C741 (Xeon Gold 6548Y+) and SP5 (EPYC 9255).
| Feature | Xeon Gold 6548Y+ | EPYC 9255 |
|---|---|---|
| Socket | LGA4677 | SP5 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Max RAM Speed | 5200+8% | 4800 |
| Max RAM Capacity | 4096 | 6144+50% |
| RAM Channels | 8 | 12+50% |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 80 | 128+60% |
Advanced Features
Neither processor supports overclocking. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: VT-x, VT-d (Xeon Gold 6548Y+) vs VT-x, VT-d, SEV-SNP (EPYC 9255). Direct competitor: Xeon Gold 6548Y+ rivals EPYC 9454; EPYC 9255 rivals Xeon Platinum 8480+.
| Feature | Xeon Gold 6548Y+ | EPYC 9255 |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | No | No |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d | VT-x, VT-d, SEV-SNP |
Value Analysis
The Xeon Gold 6548Y+ launched at $3726 MSRP, while the EPYC 9255 debuted at $2495. At current prices ($3726 vs $1934), the EPYC 9255 is $1792 cheaper. In terms of value (PassMark points per dollar), the Xeon Gold 6548Y+ delivers 19.7 pts/$ vs 39.2 pts/$ for the EPYC 9255 — making the EPYC 9255 the 66.2% better value option.
| Feature | Xeon Gold 6548Y+ | EPYC 9255 |
|---|---|---|
| MSRP | $3726 | $2495-33% |
| Avg Price (30d) | $3726 | $1934-48% |
| Performance per Dollar | 19.7 | 39.2+99% |
| Release Date | 2023 | 2024 |
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