AMD

AMD EPYC 7451

AMD processor specifications and benchmark scores

24
Cores
48
Threads
3.2
GHz Boost
180W
TDP
🔓Unlocked 🛡️ECC Memory

AMD EPYC 7451 Specifications

⚙️

EPYC 7451 Core Configuration

Processing cores and threading

The AMD EPYC 7451 features 24 physical cores and 48 threads, which directly impacts multi-threaded performance in CPU benchmarks. More cores allow the processor to handle parallel workloads efficiently, improving performance in video editing, 3D rendering, and multitasking scenarios. Thread count determines how many simultaneous tasks the CPU can process, with higher thread counts benefiting productivity applications and content creation workflows.

Cores
24
Threads
48
SMP CPUs
2
⏱️

EPYC 7451 Clock Speeds

Base and boost frequencies

Clock speed is a critical factor in EPYC 7451 benchmark performance, measured in GHz. The base clock represents the guaranteed operating frequency, while the boost clock indicates maximum single-core performance under optimal conditions. Higher clock speeds translate to faster single-threaded performance, which is essential for gaming and applications that don't fully utilize multiple cores. The EPYC 7451 by AMD can dynamically adjust its frequency based on workload and thermal headroom.

Base Clock
2.3 GHz
Boost Clock
3.2 GHz
Multiplier
23x 🔓
💾

AMD's EPYC 7451 Cache Hierarchy

L1, L2, L3 cache sizes

Cache memory is ultra-fast storage built directly into the EPYC 7451 processor die. L1 cache provides the fastest access for frequently used data, while L2 and L3 caches offer progressively larger storage with slightly higher latency. Larger cache sizes significantly improve CPU benchmark scores by reducing memory access times. The EPYC 7451's cache configuration is optimized for both gaming performance and productivity workloads, minimizing data fetch delays during intensive computations.

L1 Cache
96 KB (per core)
L2 Cache
512 KB (per core)
L3 Cache
64 MB (shared)
🏗️

Zen Architecture & Process

Manufacturing and design details

The AMD EPYC 7451 is built on AMD's 14 nm manufacturing process, which determines power efficiency and thermal characteristics. Smaller process nodes allow for more transistors in the same space, enabling higher performance per watt. The architecture defines how the processor handles instructions and manages data flow, directly impacting benchmark results across different workload types. Modern CPU architectures like the one in EPYC 7451 incorporate advanced branch prediction and out-of-order execution for optimal performance.

Architecture
Zen
Codename
Naples
Process Node
14 nm
Foundry
GlobalFoundries
Transistors
4,800 million
Die Size
213 mm²
Generation
EPYC (Zen (Naples))
🔢

Zen Instruction Set Features

Supported CPU instructions and extensions

The EPYC 7451 by AMD supports various instruction set extensions that enable optimized performance for specific workloads. SIMD instructions like SSE and AVX accelerate multimedia, scientific computing, and AI workloads by processing multiple data points simultaneously. Features like AES-NI provide hardware-accelerated encryption, while AVX-512 (if supported) enables advanced vector processing for data centers and high-performance computing. These instruction sets are critical for software compatibility and performance in modern applications.

MMX
SSE
SSE2
SSE3
SSSE3
SSE4A
SSE4.1
SSE4.2
AES
AVX
AVX2
BMI1
BMI2
SHA
F16C
FMA3
AMD64
AMD-V
SMAP
SMEP
SMT
XFR
🔌

EPYC 7451 Power & Thermal

TDP and power specifications

The AMD EPYC 7451 has a TDP (Thermal Design Power) of 180W, indicating the cooling solution required for sustained operation. TDP affects both system power consumption and the type of cooler needed. Lower TDP processors are ideal for compact builds and laptops, while higher TDP chips typically offer better sustained performance in demanding CPU benchmarks. Understanding power requirements helps ensure your system can deliver consistent performance without thermal throttling.

TDP
180W
🔧

AMD Socket SP3 Platform & Socket

Compatibility information

The EPYC 7451 uses the AMD Socket SP3 socket, which determines motherboard compatibility. Choosing the right platform is essential for building a system around this processor. The socket type also influences available features like PCIe lanes, memory support, and upgrade paths. When comparing CPU benchmarks, ensure you're looking at processors compatible with your existing or planned motherboard to make informed purchasing decisions.

Socket
AMD Socket SP3
PCIe
Gen 3
Package
FCLGA-4094
DDR5

AMD Socket SP3 Memory Support

RAM compatibility and speeds

Memory support specifications for the EPYC 7451 define which RAM types and speeds are compatible. Faster memory can significantly improve CPU benchmark performance, especially in memory-intensive applications and gaming. The memory controller integrated into the EPYC 7451 determines maximum supported speeds and channels. Dual-channel or quad-channel memory configurations can double or quadruple memory bandwidth, providing noticeable performance gains in content creation and scientific workloads.

Memory Type
DDR4
Memory Bus
Eight-channel
Memory Bandwidth
170.6 GB/s
ECC Memory
Supported
📦

EPYC 7451 Product Information

Release and pricing details

The AMD EPYC 7451 is manufactured by AMD and represents their commitment to delivering competitive CPU performance. Understanding the release date and pricing helps contextualize benchmark comparisons with other processors from the same generation. Launch pricing provides a baseline for evaluating value, though street prices often differ. Whether you're building a new system or upgrading, the EPYC 7451 by AMD offers a specific balance of performance, features, and cost within AMD's product lineup.

Manufacturer
AMD
Release Date
Jun 2017
Market
Server/Workstation
Status
Active
Part Number
PS7451BDVHCAF

EPYC 7451 Benchmark Scores

cinebench_cinebench_r15_multicoreSource

Cinebench R15 multi-core renders a complex 3D scene using all CPU threads simultaneously. This test reveals how AMD EPYC 7451 performs in parallel rendering workloads like video production and 3D animation. Higher scores mean faster render times in professional applications.

cinebench_cinebench_r15_multicore #392 of 1788
2,061
14%
Max: 14,978
Compare with other CPUs

cinebench_cinebench_r15_singlecoreSource

Cinebench R15 single-core measures the speed of one CPU thread rendering 3D geometry. This score indicates how AMD EPYC 7451 handles tasks that can't be parallelized across multiple cores. Games and many desktop applications still rely heavily on single-thread performance.

cinebench_cinebench_r15_singlecore #392 of 1245
290
14%
Max: 2,114

cinebench_cinebench_r20_multicoreSource

Cinebench R20 multi-core uses a scene requiring 4x more computational power than R15. This test better reflects modern CPU capabilities for professional rendering on AMD EPYC 7451.

cinebench_cinebench_r20_multicore #392 of 1788
8,589
14%
Max: 62,412
Compare with other CPUs

cinebench_cinebench_r20_singlecoreSource

Cinebench R20 single-core tests one thread against a more demanding scene than R15. This reveals the true single-thread rendering capability of AMD EPYC 7451.

cinebench_cinebench_r20_singlecore #392 of 1784
1,212
14%
Max: 8,811

cinebench_cinebench_r23_multicoreSource

Cinebench R23 multi-core is the current standard for CPU rendering benchmarks with a 10-minute minimum runtime. This extended test reveals sustained performance of AMD EPYC 7451 after thermal limits kick in.

cinebench_cinebench_r23_multicore #392 of 1788
20,450
14%
Max: 148,601
Compare with other CPUs

cinebench_cinebench_r23_singlecoreSource

Cinebench R23 single-core measures sustained single-thread performance over 10 minutes. This reveals how AMD EPYC 7451 maintains boost clocks under continuous load.

cinebench_cinebench_r23_singlecore #392 of 1788
2,887
14%
Max: 20,979
Compare with other CPUs

About AMD EPYC 7451

The AMD EPYC 7451 from AMD is a 24‑core, 48‑thread server CPU built on the 14 nm Zen (Naples) architecture. Its 2.30 GHz base frequency and 3.20 GHz boost clock give it a flexible performance envelope that scales well from single‑threaded workloads to massive parallel tasks. With a 180 W TDP the chip balances raw compute power against energy consumption, delivering roughly 113 points per watt in Cinebench R23 multi‑core scoring. The processor features a three‑tier cache hierarchy: 64 KB L1 per core, 512 KB L2 per core, and a massive 64 MB shared L3 that reduces latency for data‑intensive applications. This cache design, combined with the high core count, makes the EPYC 7451 ideal for virtualization, database consolidation, and high‑performance computing workloads. Its SP3 socket and 180 W thermal envelope also simplify cooling and platform design for dense rack deployments. Benchmarks such as 20,450 points in Cinebench R23 multi‑core and 2,887 points in the single‑core test illustrate how the chip can dominate both multi‑threaded and lightly threaded scenarios.

  1. 24 physical cores / 48 threads for massive parallelism
  2. 64 MB shared L3 cache for low‑latency data sharing
  3. 2.30 GHz base, 3.20 GHz boost for balanced single‑thread performance
  4. 180 W TDP delivering solid performance‑per‑watt
  5. SP3 socket compatibility with a wide ecosystem of server motherboards

The Intel Equivalent of EPYC 7451

Looking for a similar processor from Intel? The Intel Core i5-7640X offers comparable performance and features in the Intel lineup.

Intel Core i5-7640X

Intel • 4 Cores

View Specs Compare

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