EPYC 7643P vs Xeon w9-3475X

Primary details

Comparing Xeon w9-3475X and EPYC 7643P processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	49	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	18.34	no data
Market segment	Server	Server
Architecture codename	Sapphire Rapids	Milan (2021)
Release date	1 January 2023 (1 year ago)	no data
Current price	$3898	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon w9-3475X and EPYC 7643P 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	36	48 (Octatetraconta-Core)
Threads	72	96
Base clock speed	2.2 GHz	2.3 GHz
Boost clock speed	4.8 GHz	3.6 GHz
L1 cache	80K (per core)	64 KB (per core)
L2 cache	2 MB (per core)	512 KB (per core)
L3 cache	82.5 MB	256 MB (shared)
Chip lithography	Intel 7 nm	7 nm
Die size	4x 477 mm2	8x 81 mm2
Maximum core temperature	74 °C	no data
Maximum case temperature (TCase)	74 °C	no data
Number of transistors	no data	33,200 million
64 bit support	+	-
Windows 11 compatibility	+	no data
Unlocked multiplier	Yes	No

Compatibility

Information on Xeon w9-3475X and EPYC 7643P 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	1
Socket	FCLGA4677	SP3
Power consumption (TDP)	300 Watt	225 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon w9-3475X and EPYC 7643P. 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	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	no data
Speed Shift	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	no data
Turbo Boost Max 3.0	+	no data
Status	Launched	no data

Security technologies

Xeon w9-3475X and EPYC 7643P 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 w9-3475X and EPYC 7643P are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon w9-3475X and EPYC 7643P. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR5-4800	DDR4
Maximum memory size	4 TB	no data
Max memory channels	8	no data
ECC memory support	+	no data

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 w9-3475X and EPYC 7643P.

PCIe version	5.0	4.0
PCI Express lanes	112	no data

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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Pros & cons summary

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Physical cores	36	48
Threads	72	96
Power consumption (TDP)	300 Watt	225 Watt

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Should you still have questions on choice between Xeon w9-3475X and EPYC 7643P, ask them in Comments section, and we shall answer.

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