Xeon Gold 6438Y+ vs Gold 6338N

Primary details

Comparing Xeon Gold 6338N and Xeon Gold 6438Y+ processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	182	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Power efficiency	13.56	no data
Architecture codename	Ice Lake-SP (2021)	Sapphire Rapids (2023−2024)
Release date	6 April 2021 (3 years ago)	10 January 2023 (1 year ago)
Launch price (MSRP)	no data	$3,141

Detailed specifications

Xeon Gold 6338N 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	32 (Dotriaconta-Core)	32 (Dotriaconta-Core)
Threads	64	64
Base clock speed	2.2 GHz	2 GHz
Boost clock speed	3.5 GHz	4 GHz
L1 cache	64K (per core)	80K (per core)
L2 cache	1 MB (per core)	2 MB (per core)
L3 cache	48 MB (shared)	60 MB
Chip lithography	10 nm	10 nm
Maximum case temperature (TCase)	83 °C	85 °C
64 bit support	+	+
Windows 11 compatibility	+	+

Compatibility

Information on Xeon Gold 6338N 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	FCLGA4189	4677
Power consumption (TDP)	185 Watt	205 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Gold 6338N and Xeon Gold 6438Y+. You'll probably need this information if you require some particular technology.

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

Security technologies

Xeon Gold 6338N and Xeon Gold 6438Y+ technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	no data
SGX	Yes with Intel® SPS	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Gold 6338N and Xeon Gold 6438Y+ are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Gold 6338N and Xeon Gold 6438Y+. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2667	DDR5-4800
Maximum memory size	6 TB	no data
Max memory channels	8	no data
ECC memory support	+	-

Peripherals

Specifications and connection of peripherals supported by Xeon Gold 6338N and Xeon Gold 6438Y+.

PCIe version	4.0	5.0
PCI Express lanes	64	80

Pros & cons summary

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Recency	6 April 2021	10 January 2023
Power consumption (TDP)	185 Watt	205 Watt

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