EPYC 9655P vs EPYC 9655
EPYC 9655P
EPYC 9655
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 9655P
Performance Per Dollar EPYC 9655
Why is EPYC 9655P better than EPYC 9655?
The matchup between the Zen 5 server masterpieces, EPYC 9655P and EPYC 9655, introduces uncompromised high-density compute power for the modern era. Both processors deliver the world record for 96-core efficiency, featuring uncompromised multi-threading and world-class scale for mission-critical scientific visualization and enterprise-grade datasets.
Technically, these two processors share identical core counts, clock speeds, and massive cache profiles. The EPYC 9655P wins on absolute value for single-socket architectures, providing a world-class engine for high-density servers. The EPYC 9655 remains the ultimate choice for users who priority uncompromised dual-socket scale, allowing for a staggering 192 cores in a single rig. Moving to the Zen 5 architecture provide significantly more IPC depth and efficiency for pathological rendering tasks in 2026.
Both processors are undisputed winners in their respective domains of high-density compute. The AMD EPYC 9655P is the definitive choice for single-socket enthusiasts seeking the most uncompromised performance per watt. The EPYC 9655 is the ultimate winner for enterprise users who need the total throughput of a dual-CPU rig. however, for any individual server node seeking the absolute pinnacle of Zen 5 speed between these two, both are world-class and virtually identical in single-socket benchmarks.
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 9655P | EPYC 9655 |
|---|---|---|
| Gaming | Balanced gaming performance | Balanced gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($7,958) | ⚠️ Higher cost ($11,852) |
| Longevity | ✨ Modern (Turin (2024) / 4 nm) | ✨ Modern (Turin (2024) / 4 nm) |
💎 Value Proposition
| Insight | EPYC 9655P | EPYC 9655 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+53%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($7,958) | ⚠️ Higher cost ($11,852) |
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 9655P and EPYC 9655
EPYC 9655P
The EPYC 9655P is manufactured by AMD. It was released in 10 October 2024 (1 year ago). It is based on the Turin (2024) architecture. It features 96 cores and 192 threads. Base frequency is 2.6 GHz, with boost up to 4.5 GHz. L3 cache: 384 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: SP5. Thermal design power (TDP): 400 Watt. Memory support: DDR5. Passmark benchmark score: 160,490 points. Launch price was $10,811.
EPYC 9655
The EPYC 9655 is manufactured by AMD. It was released in 10 October 2024 (1 year ago). It is based on the Turin (2024) architecture. It features 96 cores and 192 threads. Base frequency is 2.6 GHz, with boost up to 4.5 GHz. L3 cache: 384 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: SP5. Thermal design power (TDP): 400 Watt. Memory support: DDR5. Passmark benchmark score: 156,110 points. Launch price was $11,852.
Processing Power
Both the EPYC 9655P and EPYC 9655 share an identical 96-core/192-thread configuration. Boost clocks reach 4.5 GHz on the EPYC 9655P versus 4.5 GHz on the EPYC 9655 — identical boost frequencies (base: 2.6 GHz vs 2.6 GHz). Both are built on the Turin (2024) architecture using a 4 nm process. In PassMark, the EPYC 9655P scores 160,490 against the EPYC 9655's 156,110 — a 2.8% lead for the EPYC 9655P. Multi-core Geekbench: 24,287 vs 29,329 (18.8% advantage for the EPYC 9655). Both processors carry 384 MB (total) of L3 cache.
| Feature | EPYC 9655P | EPYC 9655 |
|---|---|---|
| Cores / Threads | 96 / 192 | 96 / 192 |
| Boost Clock | 4.5 GHz | 4.5 GHz |
| Base Clock | 2.6 GHz | 2.6 GHz |
| L3 Cache | 384 MB (total) | 384 MB (total) |
| L2 Cache | 1 MB (per core) | 1 MB (per core) |
| Process | 4 nm | 4 nm |
| Architecture | Turin (2024) | Turin (2024) |
| PassMark | 160,490+3% | 156,110 |
| Geekbench 6 Single | — | 2,830 |
| Geekbench 6 Multi | 24,287 | 29,329+21% |
Memory & Platform
Both processors use the SP5 socket with PCIe 5.0. Both support up to DDR5-6000 memory speed. The EPYC 9655 supports up to 9 TB of RAM compared to 6 TB — 40% more capacity for professional workloads. Both feature 12-channel memory with ECC support. Both provide 128 PCIe lanes. Chipset compatibility: SP5 (EPYC 9655P) and SP5 (EPYC 9655).
| Feature | EPYC 9655P | EPYC 9655 |
|---|---|---|
| Socket | SP5 | SP5 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Max RAM Speed | DDR5-6000 | DDR5-6000 |
| Max RAM Capacity | 6 TB | 9 TB+50% |
| RAM Channels | 12 | 12 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128 | 128 |
Advanced Features
Both support AMD-V, SEV-SNP virtualization. Primary use case: EPYC 9655P targets Data Center / Single Socket, EPYC 9655 targets Data Center. Direct competitor: EPYC 9655P rivals Xeon 6979P; EPYC 9655 rivals Xeon 6979P.
| Feature | EPYC 9655P | EPYC 9655 |
|---|---|---|
| Integrated GPU | No | No |
| Unlocked | — | No |
| AVX-512 | — | Yes |
| Virtualization | AMD-V, SEV-SNP | AMD-V, SEV-SNP |
| Target Use | Data Center / Single Socket | Data Center |
Value Analysis
The EPYC 9655P launched at $10811 MSRP, while the EPYC 9655 debuted at $11852. At current prices ($7958 vs $11852), the EPYC 9655P is $3894 cheaper. In terms of value (PassMark points per dollar), the EPYC 9655P delivers 20.2 pts/$ vs 13.2 pts/$ for the EPYC 9655 — making the EPYC 9655P the 42% better value option.
| Feature | EPYC 9655P | EPYC 9655 |
|---|---|---|
| MSRP | $10811-9% | $11852 |
| Avg Price (30d) | $7958-33% | $11852 |
| Performance per Dollar | 20.2+53% | 13.2 |
| Release Date | 2024 | 2024 |
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