EPYC 7451

Details and Benchmarks for AMD EPYC 7451

Sysbuilds Alpha Stage!

Please take all results with a big grain of salt. Sysbuilds is in alpha stage at the moment which can lead to wrong data, strange counting errors, silly results and more. This site is under active development.

Benchmark Results

Combined benchmark scores based on multiple data points, giving a quick overview of this processor's performance.

Overall Score

Overall score for EPYC 7451 based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

6,304 Rank: 147
Rank Name Score Visual
143 Zen µarch 6,317
+0.2%
144 Core i9-11900KF 6,315
+0.2%
145 Xeon Platinum 8180 6,314
+0.2%
146 Ryzen Z1 6,307
+0%
147 EPYC 7451 6,304
148 Core i9-9920X 6,303
+-0%
149 Xeon Gold 6348 6,303
+-0%
150 EPYC 7502P 6,301
+-0%
151 Core i9-7940X 6,299
-0.1%
152 Ryzen 7 5800X 6,296
-0.1%

View full ranking →

Multicore Score

Multicore performance score for EPYC 7451 based on multi-threaded benchmark results.

7,621 Rank: 55
Rank Name Score Visual
51 Ryzen AI Max+ 395 7,658
+0.5%
52 Ryzen Threadripper 3970X 7,645
+0.3%
53 Ryzen 9 7945HX3D 7,641
+0.3%
54 Core i9-7980XE 7,633
+0.2%
55 EPYC 7451 7,621
56 Core i9-10980XE 7,604
-0.2%
57 Ryzen Threadripper 2970WX 7,592
-0.4%
58 Ryzen Threadripper PRO 3975WX 7,560
-0.8%
59 Xeon w7-2475X 7,539
-1.1%
60 Ryzen Threadripper PRO 7945WX 7,535
-1.1%

View full ranking →

Singlecore Score

Single-core performance score for EPYC 7451 based on single-threaded benchmark results.

5,426 Rank: 608
Rank Name Score Visual
604 Ryzen 3 PRO 4450U 5,436
+0.2%
605 EPYC 7402P 5,433
+0.1%
606 Ryzen 5 1600 5,431
+0.1%
607 Core i7-4930MX 5,431
+0.1%
608 EPYC 7451 5,426
609 Ryzen 5 PRO 2400G 5,425
+-0%
610 Core i3-9100F 5,424
+-0%
611 Core i3-10100 5,424
+-0%
612 Xeon Gold 6134 5,423
-0.1%
613 Core i3-7101TE 5,423
-0.1%

View full ranking →

Workload Scores

Performance scores grouped by workload type, normalized and aggregated from multiple raw benchmark results.

Number Crunching

Aggregated score for EPYC 7451 based on integer math, floating point math, and prime number computation benchmarks.

5,620 Rank: 152
Rank Name Score Visual
148 Xeon w5-2445 5,642
+0.4%
149 Ryzen 9 3900 5,637
+0.3%
150 Xeon E5-2699A v4 5,627
+0.1%
151 Ryzen 7 5800X3D 5,623
+0.1%
152 EPYC 7451 5,620
153 Ryzen 7 7745HX 5,598
-0.4%
154 Xeon Gold 6248 5,597
-0.4%
155 Xeon Gold 6210U 5,597
-0.4%
156 EPYC 7371 5,591
-0.5%
157 Xeon Gold 6148 5,584
-0.6%

View full ranking →

Data Processing

Aggregated score for EPYC 7451 based on data encryption, data compression, and string sorting benchmarks.

6,143 Rank: 103
Rank Name Score Visual
99 Xeon w5-2465X 6,179
+0.6%
100 Xeon Platinum 8268 6,166
+0.4%
101 Core i9-12900KS 6,158
+0.2%
102 Xeon W-3265M 6,145
+0%
103 EPYC 7451 6,143
104 Xeon Platinum 8180M 6,136
-0.1%
105 EPYC 7401P 6,136
-0.1%
106 Core i9-13900E 6,116
-0.4%
107 Xeon w5-3435X 6,109
-0.6%
108 EPYC 7371 6,108
-0.6%

View full ranking →

Physics & Compute

Aggregated score for EPYC 7451 based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

5,541 Rank: 175
Rank Name Score Visual
171 Ryzen 7 8700G 5,563
+0.4%
172 Xeon W-3235 5,553
+0.2%
173 Ryzen 7 8700F 5,545
+0.1%
174 Xeon Gold 6142 5,544
+0.1%
175 EPYC 7451 5,541
176 Ryzen 9 5900 5,539
+-0%
177 Core i9-10920X 5,537
-0.1%
178 Ryzen AI 9 365 5,535
-0.1%
179 Ryzen 9 PRO 3900 5,532
-0.2%
180 EPYC 7272 5,531
-0.2%

View full ranking →

EPYC 7451 Details

The AMD EPYC 7451, launched in June 2017, marked a significant evolution in server-class processors by bringing the Zen architecture to a multi-socket, high-core-count platform. Unlike its predecessors, which were often constrained by older architectures and lower core counts, the EPYC 7451 delivered a powerful blend of core density, memory bandwidth, and virtualization capabilities tailored for data center and enterprise workloads. While now over eight years old, it remains relevant in environments prioritizing reliability and ECC memory support over cutting-edge single-thread performance.

Built on a 14 nm process using a multi-chip module (MCM) design, the EPYC 7451 integrates four 6-core dies into a single package, totaling 24 cores. Each core supports Simultaneous Multithreading (SMT), allowing for 48 threads of execution, which significantly enhances multitasking and virtualization performance. The processor operates at a base frequency of 2.3 GHz and can boost up to 3.2 GHz on fewer cores, though sustained performance across all cores is limited by thermal constraints, especially under heavy load.

The EPYC 7451 features a robust memory subsystem, supporting up to 2,097,152 MiB of DDR4-2666 memory across eight channels, delivering a peak memory bandwidth of 170.6 GB/s. This high-bandwidth memory interface is essential for memory-intensive applications such as databases, virtualization, and scientific computing. The processor also supports up to 128 PCIe 3.0 lanes, enabling the use of multiple high-speed storage and networking cards in a single system.

Despite its age, the EPYC 7451 continues to perform well in multi-core workloads. It achieves an Overall Score of 6,304, ranking #147 among 2,060 processors, with a Multicore Score of 7,621 (#55) and a Singlecore Score of 5,426 (#608). This indicates that while its single-thread performance is modest compared to modern CPUs, its multi-core performance remains competitive in certain server and workstation environments. The processor is outperformed by newer generations like the Ryzen Threadripper PRO 9995WX and Intel’s Core Ultra series, but it still holds its own against many older high-end server CPUs.

The EPYC 7451 lacks integrated graphics, making it suitable only for systems with discrete GPUs or headless configurations. However, it includes extensive virtualization features such as AMD-V, AMD-Vi, and SEV, which are critical for secure and efficient cloud and virtualization deployments. It also supports advanced instruction sets like AVX2 and AES-NI, which improve performance in encryption and data processing tasks.

As of March 2026, the EPYC 7451 is best suited for legacy server environments, small-scale virtualization clusters, or as a cost-effective upgrade in systems where high core count and ECC memory are more important than raw single-thread speed. While it has been surpassed by newer architectures in terms of performance and efficiency, its design and feature set still offer a compelling value proposition for specific enterprise use cases.
Frequently Compared

AMD Ryzen 9 PRO 3900 4 views

AMD Ryzen 5 PRO 3500U 4 views

AMD Ryzen 3 PRO 2200GE 4 views

AMD Ryzen Threadripper 1920X 2 views

Intel Xeon E5-2686 v4 2 views

AMD Ryzen 7 2700 2 views

Intel Xeon Silver 4114 1 view

Intel Xeon Silver 4210 1 view

Intel Xeon Silver 4208 1 view

Intel Core i3-6100U 1 view

AMD EPYC 7451

Main Specifications

Designer: AMD
Name: EPYC 7451
Family: EPYC
Series: 7000
Model Number: 7451
Cores: 24
Threads: 48
Base Frequency: 2300 MHz
Turbo Frequency (1 core): 3200 MHz
Turbo Frequency (2 cores): 3200 MHz
Turbo Frequency (3 cores): 3200 MHz
Turbo Frequency (4 cores): 3200 MHz
Clock Multiplier: 23x (unlocked)
Microarchitecture: Zen
Core Name: Naples
Core Family: 23
Core Model: 1
Socket: Socket
Package: FCLGA-4094
Target Segment: Server
Max CPUs: 2
TDP: 180 W
Release Price: $2,400.00

Cache Specifications

L1 Cache: 2304 KiB
L1 Instruction Cache: 1536 KiB (4-way set associative)
L1 Data Cache: 768 KiB (8-way set associative)
L2 Cache: 12 MiB (8-way set associative)
L3 Cache: 64 MiB (16-way set associative)

Memory Specifications

Supported Memory Type: DDR4-2666
Memory Channels: 8
Maximum Memory: 2,048 GB
Maximum Bandwidth: 158.95 GB/s
ECC Support: Yes

Physical Specifications

Process: 14 nm
Die Area: 213 mm²
Transistor Count: 19.20 billion
Manufacturer: GlobalFoundries
Technology: CMOS
Word Size: 64-bit
ISA: x86-64 (x86)

CPU Features

MMX EMMX SSE SSE2 SSE3 SSSE3 SSE4.1 SSE4.2 AVX AVX2 ABM BMI1 BMI2 FMA3 AES RdRand ADX CLMUL F16C x86-16 x86-32 x86-64 Real Protected SMM FPU NX SSE4a SHA AMD-Vi AMD-V TSME SenseMI SMT SME SEV
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