EPYC 9255
EPYC 9384X
EPYC 9255 vs EPYC 9384X 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 9255 vs EPYC 9384X 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 9255 vs EPYC 9384X: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
EPYC 9255
2024Why buy it
- ✅Better for gaming: +18.6% higher average FPS across 50 shared CPU benchmark tests.
- ✅Costs $3,034 less on MSRP ($2,495 MSRP vs $5,529 MSRP).
- ✅Delivers 132.9% more PassMark for each dollar spent, at 30.4 vs 13.0 PassMark/$ ($2,495 MSRP vs $5,529 MSRP).
- ✅Draws 200W instead of 320W, a 120W reduction.
Trade-offs
- ❌Smaller total L3 cache (128 MB vs 768 MB).
EPYC 9384X
2023Why buy it
- ✅+500% larger total L3 cache (768 MB vs 128 MB).
Trade-offs
- ❌Worse for gaming: lower average FPS than EPYC 9255 across 50 shared CPU benchmark tests.
- ❌Lower PassMark (72,121 vs 75,809).
- ❌Lower PassMark per dollar, at 13.0 vs 30.4 PassMark/$ ($5,529 MSRP vs $2,495 MSRP).
- ❌60% higher power demand at 320W vs 200W.
Quick Answers
So, is EPYC 9255 better than EPYC 9384X?
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 9255 vs EPYC 9384X Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
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.
EPYC 9384X
The EPYC 9384X is manufactured by AMD. It was released in 13 June 2023 (2 years ago). It is based on the Genoa-X (2023) architecture. It features 32 cores and 64 threads. Base frequency is 3.1 GHz, with boost up to 3.9 GHz. L3 cache: 768 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: SP5. Thermal design power (TDP): 320 Watt. Memory support: DDR5. Passmark benchmark score: 72,121 points. Launch price was $5,529.
Processing Power
The EPYC 9255 packs 24 cores / 48 threads, while the EPYC 9384X offers 32 cores / 64 threads — the EPYC 9384X has 8 more cores. Boost clocks reach 4.8 GHz on the EPYC 9255 versus 3.9 GHz on the EPYC 9384X — a 20.7% clock advantage for the EPYC 9255 (base: 3.25 GHz vs 3.1 GHz). The EPYC 9255 uses the Turin (2024) architecture (4 nm), while the EPYC 9384X uses Genoa-X (2023) (5 nm). In PassMark, the EPYC 9255 scores 75,809 against the EPYC 9384X's 72,121 — a 5% lead for the EPYC 9255. L3 cache: 128 MB (total) on the EPYC 9255 vs 768 MB (total) on the EPYC 9384X.
| Feature | EPYC 9255 | EPYC 9384X |
|---|---|---|
| Cores / Threads | 24 / 48 | 32 / 64+33% |
| Boost Clock | 4.8 GHz+23% | 3.9 GHz |
| Base Clock | 3.25 GHz+5% | 3.1 GHz |
| L3 Cache | 128 MB (total) | 768 MB (total)+500% |
| L2 Cache | 1 MB (per core) | 1 MB (per core) |
| Process | 4 nm-20% | 5 nm |
| Architecture | Turin (2024) | Genoa-X (2023) |
| PassMark | 75,809+5% | 72,121 |
Memory & Platform
Both processors use the SP5 socket with PCIe 5.0. Both support up to 4800 memory speed. Both support up to 6144 of RAM. Both feature 12-channel memory with ECC support. Both provide 128 PCIe lanes. Chipset compatibility: SP5 (EPYC 9255) and SP5 (EPYC 9384X).
| Feature | EPYC 9255 | EPYC 9384X |
|---|---|---|
| Socket | SP5 | SP5 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Max RAM Speed | 4800 | 4800 |
| Max RAM Capacity | 6144 | 6144 |
| RAM Channels | 12 | 12 |
| ECC Support | Yes | Yes |
| PCIe Lanes | 128 | 128 |
Advanced Features
Neither processor supports overclocking. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Both support VT-x, VT-d, SEV-SNP virtualization. Direct competitor: EPYC 9255 rivals Xeon Platinum 8480+; EPYC 9384X rivals Xeon Platinum 8468.
| Feature | EPYC 9255 | EPYC 9384X |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | No | No |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d, SEV-SNP | VT-x, VT-d, SEV-SNP |
Value Analysis
At launch, the EPYC 9255 was priced at $2495, while the EPYC 9384X came in at $5529. On launch pricing ($2495 vs $5529), EPYC 9255 was $3034 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 9255 delivers 30.4 pts/$ vs 13.0 pts/$ for the EPYC 9384X — making the EPYC 9255 the 79.9% better value option.
| Feature | EPYC 9255 | EPYC 9384X |
|---|---|---|
| MSRP | $2495-55% | $5529 |
| Performance per Dollar | 30.4+134% | 13.0 |
| Release Date | 2024 | 2023 |
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