EPYC 7642 vs Xeon Platinum 8163

Primary details

Comparing Xeon Platinum 8163 and EPYC 7642 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	not rated	78
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	35.15
Market segment	Server	Server
Series	Intel Xeon Platinum	AMD EPYC
Architecture codename	Skylake (server) (2017−2019)	Zen 2 (2019−2020)
Release date	no data	7 August 2019 (4 years ago)
Launch price (MSRP)	no data	$4,775
Current price	no data	$947 (0.2x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon Platinum 8163 and EPYC 7642 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	24 (Tetracosa-Core)	48 (Octatetraconta-Core)
Threads	48	96
Base clock speed	no data	2.4 GHz
Boost clock speed	2.5 GHz	3.4 GHz
L1 cache	1.5 MB	96K (per core)
L2 cache	24 MB	512K (per core)
L3 cache	33 MB	256 MB (shared)
Chip lithography	14 nm	7 nm, 14 nm
Die size	no data	192 mm2
Number of transistors	no data	4,800 million
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	Yes

Compatibility

Information on Xeon Platinum 8163 and EPYC 7642 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	8 (Multiprocessor)	2 (Multiprocessor)
Socket	Socket P	TR4
Power consumption (TDP)	no data	225 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Platinum 8163 and EPYC 7642. You'll probably need this information if you require some particular technology.

AES-NI	+	+
AVX	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	no data
TSX	+	no data

Security technologies

Xeon Platinum 8163 and EPYC 7642 technologies aimed at improving security, for example, by protecting against hacks.

TXT

+

no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Platinum 8163 and EPYC 7642 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Platinum 8163 and EPYC 7642. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR4 Eight-channel
Maximum memory size	768 GB	4 TiB
Max memory channels	6	8
Maximum memory bandwidth	128.001 GB/s	204.763 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon Platinum 8163 and EPYC 7642.

PCIe version	3.0	no data
PCI Express lanes	48	no data

Pros & cons summary

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Physical cores	24	48
Threads	48	96
Chip lithography	14 nm	7 nm

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