EPYC 9745 vs Xeon w5-2555X

Primary details

Comparing Xeon w5-2555X and EPYC 9745 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	122	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Power efficiency	12.27	no data
Architecture codename	no data	Turin (2024)
Release date	1 July 2024 (less than a year ago)	10 October 2024 (less than a year ago)
Launch price (MSRP)	no data	$12,141

Detailed specifications

Xeon w5-2555X and EPYC 9745 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 cores	14 (Tetradeca-Core)	128
Threads	28	256
Base clock speed	3.3 GHz	2.4 GHz
Boost clock speed	4.8 GHz	3.7 GHz
L1 cache	no data	80 KB (per core)
L2 cache	no data	1 MB (per core)
L3 cache	33.75 MB Intel® Smart Cache	256 MB (shared)
Chip lithography	Intel 7 nm	3 nm
Maximum core temperature	75 °C	no data
64 bit support	+	+
Unlocked multiplier	+	-

Compatibility

Information on Xeon w5-2555X and EPYC 9745 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 configuration	1	2
Socket	FCLGA4677	SP5
Power consumption (TDP)	252 Watt	400 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon w5-2555X and EPYC 9745. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® AMX, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512	no data
AES-NI	+	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	no data
Speed Shift	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	-
Turbo Boost Max 3.0	+	no data
Precision Boost 2	no data	+
Deep Learning Boost	+	-

Security technologies

Xeon w5-2555X and EPYC 9745 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data
SGX	-	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon w5-2555X and EPYC 9745 are enumerated here.

AMD-V	-	+
VT-d	+	no data
VT-x	+	no data
EPT	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon w5-2555X and EPYC 9745. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR5-4800	DDR5
Maximum memory size	2 TB	no data
Max memory channels	4	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

N/A

Peripherals

Specifications and connection of peripherals supported by Xeon w5-2555X and EPYC 9745.

PCIe version	5.0	5.0
PCI Express lanes	64	128

Pros & cons summary

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Recency	1 July 2024	10 October 2024
Physical cores	14	128
Threads	28	256
Power consumption (TDP)	252 Watt	400 Watt

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Should you still have questions on choice between Xeon w5-2555X and EPYC 9745, ask them in Comments section, and we shall answer.

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