
EPYC 8534P

EPYC 9255
EPYC 8534P vs EPYC 9255 Performance Spectrum
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.
EPYC 8534P vs EPYC 9255 FPS Benchmarks
Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.
Search any supported game below to compare 1080p FPS for both components.

Path of Exile 2

Counter-Strike 2

League of Legends

Valorant

Among Us

Apex Legends

ARC Raiders

Baldur's Gate 3

Call of Duty: Black Ops 6
EPYC 8534P vs EPYC 9255: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
EPYC 8534P
2023Why buy it
Trade-offs
- ❌Worse for gaming: lower average FPS than EPYC 9255 across 50 shared CPU benchmark tests.
- ❌Lower PassMark (71,900 vs 75,809).
- ❌Lower PassMark per dollar, at 13.0 vs 30.4 PassMark/$ ($5,529 MSRP vs $2,495 MSRP).
EPYC 9255
2024Why buy it
- ✅Better for gaming: +16.3% higher average FPS across 50 shared CPU benchmark tests.
- ✅Costs $3,034 less on MSRP ($2,495 MSRP vs $5,529 MSRP).
- ✅Delivers 133.7% more PassMark for each dollar spent, at 30.4 vs 13.0 PassMark/$ ($2,495 MSRP vs $5,529 MSRP).
- ✅33.3% more PCIe lanes (128 vs 96) for storage and expansion-heavy builds.
Trade-offs
- ❌Fewer obvious downsides in this matchup outside of normal market pricing swings.
Quick Answers
So, is EPYC 9255 better than EPYC 8534P?
Which one is better for gaming?
Which one is better for streaming, content creation, and heavy multitasking?
Which one is the smarter buy today, not just the cheaper CPU?
Which one is more future-proof for 2026 and beyond?
EPYC 8534P vs EPYC 9255 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

EPYC 8534P
The EPYC 8534P is manufactured by AMD. It was released in 18 September 2023 (2 years ago). It is based on the Siena (2023−2024) architecture. It features 64 cores and 128 threads. Base frequency is 2.3 GHz, with boost up to 3.1 GHz. L3 cache: 128 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: SP6. Thermal design power (TDP): 200 Watt. Memory support: DDR5. Passmark benchmark score: 71,900 points. Launch price was $4,950.

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 EPYC 8534P packs 64 cores / 128 threads, while the EPYC 9255 offers 24 cores / 48 threads — the EPYC 8534P has 40 more cores. Boost clocks reach 3.1 GHz on the EPYC 8534P versus 4.8 GHz on the EPYC 9255 — a 43% clock advantage for the EPYC 9255 (base: 2.3 GHz vs 3.25 GHz). The EPYC 8534P uses the Siena (2023−2024) architecture (5 nm), while the EPYC 9255 uses Turin (2024) (4 nm). In PassMark, the EPYC 8534P scores 71,900 against the EPYC 9255's 75,809 — a 5.3% lead for the EPYC 9255. Both processors carry 128 MB (total) of L3 cache.
| Feature | EPYC 8534P | EPYC 9255 |
|---|---|---|
| Cores / Threads | 64 / 128+167% | 24 / 48 |
| Boost Clock | 3.1 GHz | 4.8 GHz+55% |
| Base Clock | 2.3 GHz | 3.25 GHz+41% |
| L3 Cache | 128 MB (total) | 128 MB (total) |
| L2 Cache | 1 MB (per core) | 1 MB (per core) |
| Process | 5 nm | 4 nm-20% |
| Architecture | Siena (2023−2024) | Turin (2024) |
| PassMark | 71,900 | 75,809+5% |
| Geekbench 6 Single | 1,678 | — |
| Geekbench 6 Multi | 18,882 | — |
Memory & Platform
The EPYC 8534P uses the SP6 socket (PCIe 4.0), while the EPYC 9255 uses SP5 (PCIe 5.0) — making them incompatible on the same motherboard. Both support up to DDR5-4800 memory speed. The EPYC 9255 supports up to 6144 GB of RAM compared to 1152 GB — 433.3% more capacity for professional workloads. Memory channels: 6 (EPYC 8534P) vs 12 (EPYC 9255). PCIe lanes: 96 (EPYC 8534P) vs 128 (EPYC 9255) — the EPYC 9255 offers 32 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP6 (EPYC 8534P) and SP5 (EPYC 9255).
| Feature | EPYC 8534P | EPYC 9255 |
|---|---|---|
| Socket | SP6 | SP5 |
| PCIe Generation | PCIe 4.0 | PCIe 5.0+25% |
| Max RAM Speed | DDR5-4800 | 4800 |
| Max RAM Capacity | 1152 GB | 6144 GB+433% |
| RAM Channels | 6 | 12+100% |
| ECC Support | Yes | Yes |
| PCIe Lanes | 96 | 128+33% |
Advanced Features
Neither processor supports overclocking. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: AMD-V (EPYC 8534P) vs VT-x, VT-d, SEV-SNP (EPYC 9255). Primary use case: EPYC 8534P targets Cloud Server. Direct competitor: EPYC 8534P rivals Xeon Platinum 8452Y; EPYC 9255 rivals Xeon Platinum 8480+.
| Feature | EPYC 8534P | EPYC 9255 |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | No | No |
| AVX-512 | Yes | Yes |
| Virtualization | AMD-V | VT-x, VT-d, SEV-SNP |
| Target Use | Cloud Server | — |
Value Analysis
At launch, the EPYC 8534P was priced at $5529, while the EPYC 9255 came in at $2495. On launch pricing ($5529 vs $2495), EPYC 9255 was $3034 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 8534P delivers 13.0 pts/$ vs 30.4 pts/$ for the EPYC 9255 — making the EPYC 9255 the 80.1% better value option.
| Feature | EPYC 8534P | EPYC 9255 |
|---|---|---|
| MSRP | $5529 | $2495-55% |
| Performance per Dollar | 13.0 | 30.4+134% |
| Release Date | 2023 | 2024 |
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