Xeon w7-2555X vs EPYC 7642

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Primary details

Comparing EPYC 7642 and Xeon w7-2555X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking91not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation5.55no data
Market segmentServerServer
SeriesAMD EPYCno data
Power efficiency15.49no data
Architecture codenameZen 2 (2017−2020)Sapphire Rapids (2023−2024)
Release date7 August 2019 (5 years ago)24 August 2024 (less than a year ago)
Launch price (MSRP)$4,775$1,069

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

EPYC 7642 and Xeon w7-2555X 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 cores48 (Octatetraconta-Core)14 (Tetradeca-Core)
Threads9628
Base clock speed2.4 GHz3.3 GHz
Boost clock speed3.4 GHz4.8 GHz
Multiplier23no data
L1 cache96K (per core)80 KB (per core)
L2 cache512K (per core)2 MB (per core)
L3 cache256 MB (shared)33.75 MB
Chip lithography7 nm, 14 nm10 nm
Die size192 mm2no data
Maximum case temperature (TCase)no data75 °C
Number of transistors4,800 millionno data
64 bit support++
Windows 11 compatibility+no data
Unlocked multiplier++

Compatibility

Information on EPYC 7642 and Xeon w7-2555X 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 configuration2 (Multiprocessor)1
SocketTR44677
Power consumption (TDP)225 Watt210 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7642 and Xeon w7-2555X. You'll probably need this information if you require some particular technology.

AES-NI++
AVX++
vProno data+
Enhanced SpeedStep (EIST)no data+
TSX-+
Precision Boost 2+no data

Security technologies

EPYC 7642 and Xeon w7-2555X technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 7642 and Xeon w7-2555X are enumerated here.

AMD-V+-
VT-dno data+
VT-xno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 7642 and Xeon w7-2555X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4 Eight-channelDDR5
Maximum memory size4 TiBno data
Max memory channels8no data
Maximum memory bandwidth204.763 GB/sno data
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataN/A

Peripherals

Specifications and connection of peripherals supported by EPYC 7642 and Xeon w7-2555X.

PCIe versionno data5.0
PCI Express lanesno data64

Pros & cons summary


Recency 7 August 2019 24 August 2024
Physical cores 48 14
Threads 96 28
Chip lithography 7 nm 10 nm
Power consumption (TDP) 225 Watt 210 Watt

EPYC 7642 has 242.9% more physical cores and 242.9% more threads, and a 42.9% more advanced lithography process.

Xeon w7-2555X, on the other hand, has an age advantage of 5 years, and 7.1% lower power consumption.

We couldn't decide between EPYC 7642 and Xeon w7-2555X. We've got no test results to judge.


Should you still have questions on choice between EPYC 7642 and Xeon w7-2555X, ask them in Comments section, and we shall answer.

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AMD EPYC 7642
EPYC 7642
Intel Xeon w7-2555X
Xeon w7-2555X

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