Xeon Silver 4516Y vs EPYC 7643P

Primary details

Comparing EPYC 7643P and Xeon Silver 4516Y processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	36	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	15.45	no data
Market segment	Server	Server
Power efficiency	20.47	no data
Architecture codename	Milan (2021−2023)	no data
Release date	5 September 2023 (1 year ago)	1 October 2023 (1 year ago)
Launch price (MSRP)	$2,722	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

EPYC 7643P and Xeon Silver 4516Y 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	48 (Octatetraconta-Core)	24 (Tetracosa-Core)
Threads	96	48
Base clock speed	2.3 GHz	2.2 GHz
Boost clock speed	3.6 GHz	3.7 GHz
L1 cache	64 KB (per core)	no data
L2 cache	512 KB (per core)	no data
L3 cache	256 MB (shared)	45 MB
Chip lithography	7 nm	Intel 7 nm
Die size	8x 81 mm2	no data
Maximum core temperature	no data	81 °C
Number of transistors	33,200 million	no data
64 bit support	-	-

Compatibility

Information on EPYC 7643P and Xeon Silver 4516Y 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	no data
Socket	SP3	FCLGA4677
Power consumption (TDP)	225 Watt	185 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7643P and Xeon Silver 4516Y. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® AMX, 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 7643P and Xeon Silver 4516Y 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 7643P and Xeon Silver 4516Y 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 7643P and Xeon Silver 4516Y. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR5-4400
Maximum memory size	no data	4 TB
Max memory channels	no data	8
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

no data

Peripherals

Specifications and connection of peripherals supported by EPYC 7643P and Xeon Silver 4516Y.

PCIe version	4.0	5.0
PCI Express lanes	128	80

Pros & cons summary

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Physical cores	48	24
Threads	96	48
Power consumption (TDP)	225 Watt	185 Watt

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Should you still have questions on choice between EPYC 7643P and Xeon Silver 4516Y, ask them in Comments section, and we shall answer.

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