Xeon Gold 5318Y vs Platinum 8173M

Place in the ranking	347	259
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Series	Intel Xeon Platinum	no data
Power efficiency	no data	12.02
Architecture codename	Skylake (server) (2017−2018)	Ice Lake-SP (2021)
Release date	no data (2024 years ago)	6 April 2021 (3 years ago)

Detailed specifications

Xeon Platinum 8173M and Xeon Gold 5318Y 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)	24 (Tetracosa-Core)
Threads	56	48
Base clock speed	no data	2.1 GHz
Boost clock speed	2.1 GHz	3.4 GHz
Multiplier	21	no data
L1 cache	1.75 MB	64K (per core)
L2 cache	28 MB	1 MB (per core)
L3 cache	38.5 MB	36 MB (shared)
Chip lithography	14 nm	10 nm
Maximum case temperature (TCase)	no data	87 °C
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on Xeon Platinum 8173M and Xeon Gold 5318Y 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	FCLGA4189
Power consumption (TDP)	no data	165 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Platinum 8173M and Xeon Gold 5318Y. 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	+	+
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	no data	2.0
Hyper-Threading Technology	no data	+
TSX	+	+
Deep Learning Boost	-	+

Security technologies

Xeon Platinum 8173M and Xeon Gold 5318Y technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Platinum 8173M and Xeon Gold 5318Y are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Platinum 8173M and Xeon Gold 5318Y. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR4-2933
Maximum memory size	1,536 GB	6 TB
Max memory channels	6	8
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 5318Y.

PCIe version	3.0	4.0
PCI Express lanes	48	64

Synthetic benchmark performance

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

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.

Xeon Platinum 8173M 17.64

Xeon Gold 5318Y 20.95
+18.8%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Xeon Platinum 8173M 28025

Xeon Gold 5318Y 33283
+18.8%