Xeon Gold 5420+ vs Platinum 8173M

Primary details

Comparing Xeon Platinum 8173M and Xeon Gold 5420+ processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	346	94
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	58.72
Market segment	Server	Server
Series	Intel Xeon Platinum	no data
Power efficiency	no data	16.92
Architecture codename	Skylake (server) (2017−2019)	Sapphire Rapids (2023−2024)
Release date	no data (2024 years ago)	10 January 2023 (1 year ago)
Launch price (MSRP)	no data	$1,848

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon Platinum 8173M and Xeon Gold 5420+ 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	28 (Octacosa-Core)	28 (Octacosa-Core)
Threads	56	56
Base clock speed	no data	2 GHz
Boost clock speed	2.1 GHz	4.1 GHz
Multiplier	21	no data
L1 cache	1.75 MB	80K (per core)
L2 cache	28 MB	2 MB (per core)
L3 cache	38.5 MB	52.5 MB
Chip lithography	14 nm	10 nm
Maximum case temperature (TCase)	no data	84 °C
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on Xeon Platinum 8173M and Xeon Gold 5420+ 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
Socket	Socket P	4677
Power consumption (TDP)	no data	205 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Platinum 8173M and Xeon Gold 5420+. You'll probably need this information if you require some particular technology.

AES-NI	+	+
AVX	+	+
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
TSX	+	+

Security technologies

Xeon Platinum 8173M and Xeon Gold 5420+ technologies aimed at improving security, for example, by protecting against hacks.

TXT

+

+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Platinum 8173M and Xeon Gold 5420+ are enumerated here.

VT-d	+	+
VT-x	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Platinum 8173M and Xeon Gold 5420+. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR5-4400
Maximum memory size	1,536 GB	no data
Max memory channels	6	no data
Maximum memory bandwidth	128.001 GB/s	no data
ECC memory support	+	-

Peripherals

Specifications and connection of peripherals supported by Xeon Platinum 8173M and Xeon Gold 5420+.

PCIe version	3.0	5.0
PCI Express lanes	48	80

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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Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

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Pros & cons summary

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Performance score	18.31	38.04
Chip lithography	14 nm	10 nm

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Should you still have questions on choice between Xeon Platinum 8173M and Xeon Gold 5420+, ask them in Comments section, and we shall answer.

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