AMD EPYC 7251
- Brand:
- AMD
- Form Factor:
- Server & Enthusiast
- CPU Socket:
- SP3
- Core/Thread Count:
- 8C/16T
- TDP:
- 120W
- CPU Series:
- EPYC 7001 Series
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Manufacturer: AMD Last updated: October 9, 2026
AMD EPYC 7251 Review
AMD EPYC 7251 server processor, 8C/16T 2.1 GHz base clock, boosting up to 2.9 ghz, 120W TDP, SP3 platform.
The AMD EPYC 7251 is an AMD EPYC server processor in the EPYC 7001 Series lineup, offering 8C/16T running at 2.1 GHz base clock, boosting up to 2.9 ghz with 32 MB of L3 cache, within a 120W power envelope on AMD's SP3 platform in 1P / 2P configurations.
Performance and Architecture
With 8C/16T, the AMD EPYC 7251 runs at 2.1 GHz base clock, boosting up to 2.9 ghz. It carries 32 MB of L3 cache to keep large working sets close to the cores. As part of AMD's EPYC server lineup, it targets dense multi-socket compute, virtualization, and datacenter workloads.
Platform and Memory
The AMD EPYC 7251 is built for AMD's SP3 platform, supporting 1P / 2P socket configurations. It supports DDR4 memory across 8 channels (Up to 2400 MT/s). I/O runs over PCIe 3.0 x128.
Comparison to Alternatives
Within the EPYC 7001 Series lineup in this catalog, the AMD EPYC 7251 is positioned by its core count, clock speed, and TDP relative to other EPYC parts in the same generation. Buyers should weigh core density against per-core clock speed depending on whether the target workload favors many parallel threads or fewer, faster ones.
Our verdict
Reviewed by Burooj Alam. Rated by us, not by users.
Best for
- Datacenter and cloud compute
- Virtualization-dense server workloads
- Multi-socket enterprise deployments
Not for
- Consumer desktop builds
- Single-threaded latency-sensitive workloads on lower core-count SKUs
- Budget-constrained small business servers
Specifications
What these specs meanCores and threads
| Core Count | 8 cores |
|---|---|
| Thread Count | 16 threads |
Clocks
| Base Clock | 2.1 GHz |
|---|---|
| Boost Clock | Up to 2.9 GHz |
Cache
| L3 Cache | 32 MB |
|---|
Platform
| Socket | SP3 |
|---|---|
| Multi-Socket Support | 1P / 2P |
Memory
| Memory Channels | 8 channels |
|---|---|
| Max Memory Speed | 2400 MT/s |
| Memory Bandwidth | 153.6 GB/s |
PCIe and IO
| PCIe Lanes | 128 lanes |
|---|---|
| PCIe Generation | PCIe 3.0 |
Power and thermals
| TDP | 120 W |
|---|
Measured results
SPEC CPU 2017
Best published result on spec.org as of 23 Sept 2026.
| SPECrate® 2017 Integer (base) | 46.1 |
Cores 8 · Tested in PowerEdge R6415 (AMD EPYC 7251, 2.10GHz) · Published by Dell Inc., Apr-2019
Full disclosure on spec.org| SPECrate® 2017 Floating Point (base) | 56.1 |
Cores 8 · Tested in PowerEdge R6415 (AMD EPYC 7251, 2.10GHz) · Published by Dell Inc., Apr-2019
Full disclosure on spec.org| SPECrate® 2017 Integer (base) | 91.6 |
Cores 16 · Tested in PowerEdge R7425 (AMD EPYC 7251, 2.10GHz) · Published by Dell Inc., Apr-2019
Full disclosure on spec.org| SPECrate® 2017 Floating Point (base) | 111 |
Cores 16 · Tested in PowerEdge R7425 (AMD EPYC 7251, 2.10GHz) · Published by Dell Inc., Apr-2019
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.
FAQs
What are the key specifications of the AMD EPYC 7251?
The AMD EPYC 7251 has 8 cores and 16 threads, a 2.1 GHz base and 2.9 GHz boost clock, 32 MB of L3 cache and a 120 W TDP.
Who is the AMD EPYC 7251 best suited to?
Best suited to: Datacenter and cloud compute; Virtualization-dense server workloads; Multi-socket enterprise deployments.
What are the drawbacks of the AMD EPYC 7251?
Not the best fit for: Consumer desktop builds; Single-threaded latency-sensitive workloads on lower core-count SKUs; Budget-constrained small business servers.