Xeon Gold 6403N vs EPYC 9634

Primary details

Comparing EPYC 9634 and Xeon Gold 6403N processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	9	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.98	no data
Market segment	Server	Server
Series	AMD EPYC	no data
Power efficiency	22.18	no data
Architecture codename	Genoa (2022−2023)	no data
Release date	10 November 2022 (1 year ago)	1 July 2023 (1 year ago)
Launch price (MSRP)	$10,304	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

EPYC 9634 and Xeon Gold 6403N 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	84	24 (Tetracosa-Core)
Threads	168	48
Base clock speed	2.25 GHz	1.9 GHz
Boost clock speed	2.25 GHz	3.6 GHz
Multiplier	22.5	no data
L1 cache	5376 KB	no data
L2 cache	84 MB	no data
L3 cache	384 MB (shared)	45 MB
Chip lithography	5 nm, 6 nm	Intel 7 nm
Die size	12x 72 mm2	no data
Maximum core temperature	no data	85 °C
Number of transistors	78,840 million	no data
64 bit support	+	-

Compatibility

Information on EPYC 9634 and Xeon Gold 6403N 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	no data
Socket	SP5	FCLGA4677
Power consumption (TDP)	290 Watt	185 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 9634 and Xeon Gold 6403N. You'll probably need this information if you require some particular technology.

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

Security technologies

EPYC 9634 and Xeon Gold 6403N technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 9634 and Xeon Gold 6403N 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 EPYC 9634 and Xeon Gold 6403N. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR5-4800	DDR5-4000
Maximum memory size	6 TiB	4 TB
Max memory channels	no data	8
Maximum memory bandwidth	460.8 GB/s	no data
ECC memory support	-	+

Peripherals

Specifications and connection of peripherals supported by EPYC 9634 and Xeon Gold 6403N.

PCIe version	5.0	4
PCI Express lanes	128	64

Pros & cons summary

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Recency	10 November 2022	1 July 2023
Physical cores	84	24
Threads	168	48
Power consumption (TDP)	290 Watt	185 Watt

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Should you still have questions on choice between EPYC 9634 and Xeon Gold 6403N, ask them in Comments section, and we shall answer.

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