EPYC 7662
EPYC 9255
EPYC 7662 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 7662 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 7662 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 7662
2020Why buy it
- ✅+100% larger total L3 cache (256 MB vs 128 MB).
Trade-offs
- ❌Worse for gaming: lower average FPS than EPYC 9255 across 50 shared CPU benchmark tests.
- ❌Lower PassMark (72,298 vs 75,809).
- ❌Lower PassMark per dollar, at 11.8 vs 30.4 PassMark/$ ($6,150 MSRP vs $2,495 MSRP).
- ❌Older platform position on SP3 with DDR4, while EPYC 9255 moves to SP5 and DDR5.
EPYC 9255
2024Why buy it
- ✅Better for gaming: +27.3% higher average FPS across 50 shared CPU benchmark tests.
- ✅Costs $3,655 less on MSRP ($2,495 MSRP vs $6,150 MSRP).
- ✅Delivers 158.5% more PassMark for each dollar spent, at 30.4 vs 11.8 PassMark/$ ($2,495 MSRP vs $6,150 MSRP).
- ✅Draws 200W instead of 225W, a 25W reduction.
- ✅Newer platform on SP5 with DDR5 support instead of SP3 and DDR4.
Trade-offs
- ❌Smaller total L3 cache (128 MB vs 256 MB).
Quick Answers
So, is EPYC 9255 better than EPYC 7662?
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 7662 vs EPYC 9255 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
EPYC 7662
The EPYC 7662 is manufactured by AMD. It was released in 2020-02-19. It is based on the Zen 2 (2017−2020) architecture. It features 64 cores and 128 threads. Base frequency is 2 GHz, with boost up to 3.3 GHz. L3 cache: 256 MB. L2 cache: 32 MB. Built on 7 nm, 14 nm process technology. Socket: SP3. Thermal design power (TDP): 225 Watt. Memory support: DDR4-3200. Passmark benchmark score: 72,298 points. Launch price was $6,700.
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 7662 packs 64 cores / 128 threads, while the EPYC 9255 offers 24 cores / 48 threads — the EPYC 7662 has 40 more cores. Boost clocks reach 3.3 GHz on the EPYC 7662 versus 4.8 GHz on the EPYC 9255 — a 37% clock advantage for the EPYC 9255 (base: 2 GHz vs 3.25 GHz). The EPYC 7662 uses the Zen 2 (2017−2020) architecture (7 nm, 14 nm), while the EPYC 9255 uses Turin (2024) (4 nm). In PassMark, the EPYC 7662 scores 72,298 against the EPYC 9255's 75,809 — a 4.7% lead for the EPYC 9255. L3 cache: 256 MB on the EPYC 7662 vs 128 MB (total) on the EPYC 9255.
| Feature | EPYC 7662 | EPYC 9255 |
|---|---|---|
| Cores / Threads | 64 / 128+167% | 24 / 48 |
| Boost Clock | 3.3 GHz | 4.8 GHz+45% |
| Base Clock | 2 GHz | 3.25 GHz+63% |
| L3 Cache | 256 MB+100% | 128 MB (total) |
| L2 Cache | 32 MB+3100% | 1 MB (per core) |
| Process | 7 nm, 14 nm | 4 nm-43% |
| Architecture | Zen 2 (2017−2020) | Turin (2024) |
| PassMark | 72,298 | 75,809+5% |
Memory & Platform
The EPYC 7662 uses the SP3 socket (PCIe 4.0), while the EPYC 9255 uses SP5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 3200 on the EPYC 7662 versus 4800 on the EPYC 9255 — the EPYC 9255 supports 50% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 9255 supports up to 6144 of RAM compared to 4096 — 50% more capacity for professional workloads. Memory channels: 8 (EPYC 7662) vs 12 (EPYC 9255). Both provide 128 PCIe lanes. Chipset compatibility: SP3 (EPYC 7662) and SP5 (EPYC 9255).
| Feature | EPYC 7662 | EPYC 9255 |
|---|---|---|
| Socket | SP3 | SP5 |
| PCIe Generation | PCIe 4.0 | PCIe 5.0+25% |
| Max RAM Speed | 3200 | 4800+50% |
| Max RAM Capacity | 4096 | 6144+50% |
| RAM Channels | 8 | 12+50% |
| ECC Support | Yes | Yes |
| PCIe Lanes | 128 | 128 |
Advanced Features
Neither processor supports overclocking. Only the EPYC 9255 supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (EPYC 7662) vs VT-x, VT-d, SEV-SNP (EPYC 9255). Direct competitor: EPYC 7662 rivals Xeon Platinum 8280; EPYC 9255 rivals Xeon Platinum 8480+.
| Feature | EPYC 7662 | EPYC 9255 |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | No | No |
| AVX-512 | No | Yes |
| Virtualization | VT-x, VT-d | VT-x, VT-d, SEV-SNP |
Value Analysis
At launch, the EPYC 7662 was priced at $6150, while the EPYC 9255 came in at $2495. On launch pricing ($6150 vs $2495), EPYC 9255 was $3655 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 7662 delivers 11.8 pts/$ vs 30.4 pts/$ for the EPYC 9255 — making the EPYC 9255 the 88.4% better value option.
| Feature | EPYC 7662 | EPYC 9255 |
|---|---|---|
| MSRP | $6150 | $2495-59% |
| Performance per Dollar | 11.8 | 30.4+158% |
| Release Date | 2020 | 2024 |
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