AMD EPYC 9655
Expert rating8.9 / 10
- Brand:
- AMD
- Form Factor:
- Server & Enthusiast
- CPU Socket:
- SP5
- Core/Thread Count:
- 96C/192T
- TDP:
- 360W
- iGPU:
- None
- CPU Series:
- EPYC
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Manufacturer: AMD Last updated: 2026-10-10
AMD EPYC 9655 Review
AMD EPYC 9655 96-core 192-thread SP5 server processor, 2.9GHz base / 4.4GHz boost, 360W TDP, 384MB L3 cache, Zen 5 "Turin"
The EPYC 9655 is a standard-core, high-clock 96-core EPYC processor that pairs strong per-core performance with genuine core density. Rated for 360W, it delivers a 2.9GHz base clock boosting to 4.4GHz alongside 384MB of L3 cache on AMD's SP5 platform.
Core Count and Workload Fit
With 96 cores and 192 threads on AMD's standard Zen 5 core (not the dense Zen 5c variant), the EPYC 9655 keeps meaningfully higher clocks than dense-core SKUs at the same core count, making it a better fit for workloads that mix parallelism with per-thread performance needs, such as database servers and virtualization hosts running latency-sensitive VMs. The 384MB L3 cache supports large working sets across many cores.
Platform, Memory, and Cooling
The EPYC 9655 runs on AMD's SP5 platform with 12-channel DDR5 memory support and up to 128 PCIe 5.0 lanes per socket. It supports both single-socket (1P) and dual-socket (2P) server designs. At 360W, it requires server-grade cooling built for sustained data-center airflow.
Comparison to Alternatives
Compared to the dense Zen 5c EPYC 9645 in this catalog at the same core count, the EPYC 9655 trades a bit of power efficiency for notably higher clocks. Against the 128-core EPYC 9755 in this catalog, it offers a lower power envelope with a smaller but still substantial core count. It stacks up favorably against Intel Xeon Scalable parts in this catalog on both memory channels and per-socket PCIe lanes.
Our verdict
Reviewed by Burooj Alam. Rated by us, not by users.
Expert rating8.9 / 10
The EPYC 9655 is one of the best-balanced high-core-count EPYC SKUs, combining genuine density with clocks that don't lag far behind AMD's frequency-optimized parts.
Best for
- Mixed virtualization and database workloads
- High-throughput web tiers
- Enterprise workloads needing both cores and clock speed
Not for
- Maximum absolute core density needs
- Cost-sensitive small deployments
- Cache-bound EDA workloads
Specifications
What these specs meanCores and threads
| Core Count | 96 cores |
|---|---|
| Thread Count | 192 threads |
| Core Architecture | Zen 5 "Turin" |
Clocks
| Base Clock | 2.9 GHz |
|---|---|
| Boost Clock | 4.4 GHz |
Cache
| L3 Cache | 384 MB |
|---|
Platform
| Socket | SP5 |
|---|---|
| Multi-Socket Support | 1P/2P |
Memory
| Memory Channels | 12 channels |
|---|---|
| ECC Support | Yes |
Power and thermals
| TDP | 360 W |
|---|
Measured results
SPEC CPU 2017
Best published result on spec.org as of 23 Sept 2026.
| SPECrate® 2017 Integer (base) | 1,110 |
Cores 96 · Tested in ASUS RS520QA-E13-RS8U (2.60 GHz, AMD EPYC 9655) · Published by ASUSTeK Computer Inc., Nov-2025
Full disclosure on spec.org| SPECrate® 2017 Floating Point (base) | 1,050 |
Cores 96 · Tested in ASUS RS520QA-E13-RS8U (2.60 GHz, AMD EPYC 9655) · Published by ASUSTeK Computer Inc., Nov-2025
Full disclosure on spec.org| SPECrate® 2017 Integer (base) | 2,200 |
Cores 192 · Tested in FusionServer 2258H V8 (AMD EPYC 9655) · Published by xFusion, Nov-2025
Full disclosure on spec.org| SPECrate® 2017 Floating Point (base) | 2,110 |
Cores 192 · Tested in FusionServer 2258H V8 (AMD EPYC 9655) · Published by xFusion, Nov-2025
Full disclosure on spec.orgSPEC®, SPECrate® and SPECspeed® are registered trademarks of the Standard Performance Evaluation Corporation. Copied by permission of the Standard Performance Evaluation Corporation (SPEC). Results retrieved from www.spec.org on 23 Sept 2026.
Measured results
SPEC CPU 2026
| SPECrate® 2026 Floating Point (base) | 410 | 1-chip system · CloudDC A+ Server AS -1116CS-TN (H14SHM , AMD EPYC 9655). Licensee: Supermicro. Published May-2026. · Source |
| SPECrate® 2026 Floating Point (base) | 863 | 2-chip system · QR8218-D3 (AMD EPYC 9655). Licensee: Maginfra Co., Ltd. Published Sep-2026. · Source |
| SPECrate® 2026 Integer (base) | 390 | 1-chip system · CloudDC A+ Server AS -1116CS-TN (H14SHM , AMD EPYC 9655). Licensee: Supermicro. Published May-2026. · Source |
| SPECrate® 2026 Integer (base) | 863 | 2-chip system · QR8218-D3 (AMD EPYC 9655). Licensee: Maginfra Co., Ltd. Published Sep-2026. · Source |
Best published base result for this chip count at www.spec.org as of 23 Sep 2026. SPEC CPU 2026 scores are not comparable with SPEC CPU 2017 scores.
Retrieved 23 Sept 2026
SPEC®, SPECrate® and SPEC CPU® are registered trademarks of the Standard Performance Evaluation Corporation. Copied by permission of the Standard Performance Evaluation Corporation (SPEC). Results retrieved from www.spec.org on 23 Sep 2026. More information: www.spec.org/cpu2026/
FAQs
What are the key specifications of the AMD EPYC 9655?
The AMD EPYC 9655 has 96 cores and 192 threads, a 2.9 GHz base and 4.4 GHz boost clock, 384 MB of L3 cache and a 360 W TDP. Socket: SP5.
Will the AMD EPYC 9655 work with my current setup?
The AMD EPYC 9655 lists Socket is SP5. Check that against the hardware you already own before buying, since this is the field that most often decides whether a part fits.
Who is the AMD EPYC 9655 best suited to?
Best suited to: Mixed virtualization and database workloads; High-throughput web tiers; Enterprise workloads needing both cores and clock speed.
What are the drawbacks of the AMD EPYC 9655?
Not the best fit for: Maximum absolute core density needs; Cost-sensitive small deployments; Cache-bound EDA workloads.