Xeon Gold 6438Y+ vs EPYC 9554

Primary details

Comparing EPYC 9554 and Xeon Gold 6438Y+ processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	8	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	3.15	no data
Market segment	Server	Server
Series	AMD EPYC	no data
Power efficiency	18.50	no data
Architecture codename	Genoa (2022−2023)	Sapphire Rapids (2023−2024)
Release date	10 November 2022 (2 years ago)	10 January 2023 (1 year ago)
Launch price (MSRP)	$9,087	$3,141

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

EPYC 9554 and Xeon Gold 6438Y+ 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	64 (Tetrahexaconta-Core)	32 (Dotriaconta-Core)
Threads	128	64
Base clock speed	3.1 GHz	2 GHz
Boost clock speed	3.1 GHz	4 GHz
Multiplier	31	no data
L1 cache	4 MB	80K (per core)
L2 cache	64 MB	2 MB (per core)
L3 cache	256 MB (shared)	60 MB
Chip lithography	5 nm, 6 nm	10 nm
Die size	8x 72 mm2	no data
Maximum case temperature (TCase)	no data	85 °C
Number of transistors	52,560 million	no data
64 bit support	+	+
Windows 11 compatibility	no data	+

Compatibility

Information on EPYC 9554 and Xeon Gold 6438Y+ 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	2	2
Socket	SP5	4677
Power consumption (TDP)	360 Watt	205 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 9554 and Xeon Gold 6438Y+. You'll probably need this information if you require some particular technology.

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

Security technologies

EPYC 9554 and Xeon Gold 6438Y+ technologies aimed at improving security, for example, by protecting against hacks.

TXT

no data

+

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 9554 and Xeon Gold 6438Y+ are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 9554 and Xeon Gold 6438Y+. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR5-4800	DDR5-4800
Maximum memory size	6 TiB	no data
Maximum memory bandwidth	460.8 GB/s	no data

Peripherals

Specifications and connection of peripherals supported by EPYC 9554 and Xeon Gold 6438Y+.

PCIe version	5.0	5.0
PCI Express lanes	128	80

Pros & cons summary

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Recency	10 November 2022	10 January 2023
Physical cores	64	32
Threads	128	64
Chip lithography	5 nm	10 nm
Power consumption (TDP)	360 Watt	205 Watt

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