Xeon w9-3475X vs Gold 6438Y

Primary details

Comparing Xeon Gold 6438Y and Xeon w9-3475X processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	not rated	49
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	17.83
Market segment	Server	Server
Architecture codename	no data	Sapphire Rapids
Release date	1 January 2023 (1 year ago)	1 January 2023 (1 year ago)
Current price	$3648	$3918

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon Gold 6438Y and Xeon w9-3475X 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)	36
Threads	64	72
Base clock speed	2 GHz	2.2 GHz
Boost clock speed	4 GHz	4.8 GHz
L1 cache	no data	80K (per core)
L2 cache	no data	2 MB (per core)
L3 cache	60 MB	82.5 MB
Chip lithography	Intel 7 nm	Intel 7 nm
Die size	no data	4x 477 mm2
Maximum core temperature	76 °C	74 °C
Maximum case temperature (TCase)	no data	74 °C
64 bit support	-	+
Windows 11 compatibility	no data	+
Unlocked multiplier	No	Yes

Compatibility

Information on Xeon Gold 6438Y and Xeon w9-3475X 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	no data	1
Socket	FCLGA4677	FCLGA4677
Power consumption (TDP)	205 Watt	300 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Gold 6438Y and Xeon w9-3475X. You'll probably need this information if you require some particular technology.

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

Security technologies

Xeon Gold 6438Y and Xeon w9-3475X technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
SGX	Yes with Intel® SPS	-
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Gold 6438Y and Xeon w9-3475X are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Gold 6438Y and Xeon w9-3475X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR5-4800, DDR5-4400	DDR5-4800
Maximum memory size	4 TB	4 TB
Max memory channels	8	8
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon Gold 6438Y and Xeon w9-3475X.

PCIe version	5	5.0
PCI Express lanes	80	112

Pros & cons summary

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Physical cores	32	36
Threads	64	72
Power consumption (TDP)	205 Watt	300 Watt

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Should you still have questions on choice between Xeon Gold 6438Y and Xeon w9-3475X, ask them in Comments section, and we shall answer.

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