EPYC 7401 vs EPYC 7551P

VS

Aggregate performance score

EPYC 7551P
2017
32 cores / 64 threads, 180 Watt
24.03
EPYC 7401
2017
24 cores / 48 threads, 170 Watt
34.80
+44.8%

EPYC 7401 outperforms EPYC 7551P by a considerable 45% based on our aggregate benchmark results.

Primary details

Comparing EPYC 7551P and EPYC 7401 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking212107
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation4.179.48
Market segmentServerServer
SeriesAMD EPYCAMD EPYC
Power efficiency12.6319.37
Architecture codenameNaples (2017−2018)Naples (2017−2018)
Release date29 June 2017 (7 years ago)29 June 2017 (7 years ago)
Launch price (MSRP)$2,100$1,850

Cost-effectiveness evaluation

Performance per price, higher is better.

EPYC 7401 has 127% better value for money than EPYC 7551P.

Detailed specifications

EPYC 7551P and EPYC 7401 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores32 (Dotriaconta-Core)24 (Tetracosa-Core)
Threads6448
Base clock speed2 GHz2 GHz
Boost clock speed3 GHz3 GHz
Multiplier2020
L1 cache96K (per core)96K (per core)
L2 cache512K (per core)512K (per core)
L3 cache64 MB (shared)64 MB (shared)
Chip lithography14 nm14 nm
Die size192 mm2192 mm2
Number of transistors4,800 million4,800 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier++

Compatibility

Information on EPYC 7551P and EPYC 7401 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration1 (Uniprocessor)2 (Multiprocessor)
SocketTR4TR4
Power consumption (TDP)180 Watt170 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7551P and EPYC 7401. You'll probably need this information if you require some particular technology.

AES-NI++
AVX++

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 7551P and EPYC 7401 are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 7551P and EPYC 7401. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4 Eight-channelDDR4 Eight-channel
Maximum memory size2 TiB2 TiB
Max memory channels88
Maximum memory bandwidth170.671 GB/s170.671 GB/s
ECC memory support++

Peripherals

Specifications and connection of peripherals supported by EPYC 7551P and EPYC 7401.

PCIe version3.03.0
PCI Express lanes128128

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

EPYC 7551P 24.03
EPYC 7401 34.80
+44.8%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

EPYC 7551P 38166
EPYC 7401 55280
+44.8%

Gaming performance

Pros & cons summary


Performance score 24.03 34.80
Physical cores 32 24
Threads 64 48
Power consumption (TDP) 180 Watt 170 Watt

EPYC 7551P has 33.3% more physical cores and 33.3% more threads.

EPYC 7401, on the other hand, has a 44.8% higher aggregate performance score, and 5.9% lower power consumption.

The EPYC 7401 is our recommended choice as it beats the EPYC 7551P in performance tests.


Should you still have questions on choice between EPYC 7551P and EPYC 7401, ask them in Comments section, and we shall answer.

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AMD EPYC 7551P
EPYC 7551P
AMD EPYC 7401
EPYC 7401

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


4.3 80 votes

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4.6 9 votes

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Questions & comments

Here you can ask a question about EPYC 7551P or EPYC 7401, agree or disagree with our judgements, or report an error or mismatch.