Xeon Gold 5318S vs Gold 5218B

Primary details

Comparing Xeon Gold 5218B and Xeon Gold 5318S processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Series	Intel Xeon Gold	no data
Architecture codename	Cascade Lake (2019−2020)	Ice Lake-SP (2021)
Release date	2 April 2019 (5 years ago)	6 April 2021 (3 years ago)
Launch price (MSRP)	$1,273	no data

Detailed specifications

Xeon Gold 5218B and Xeon Gold 5318S 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	16 (Hexadeca-Core)	24 (Tetracosa-Core)
Threads	32	48
Base clock speed	2.3 GHz	2.1 GHz
Boost clock speed	3.9 GHz	3.4 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	no data
Multiplier	23	no data
L1 cache	1 MB	64K (per core)
L2 cache	16 MB	1 MB (per core)
L3 cache	22 MB	36 MB (shared)
Chip lithography	14 nm	10 nm
Maximum core temperature	87 °C	no data
Maximum case temperature (TCase)	no data	87 °C
64 bit support	+	+
Windows 11 compatibility	+	+

Compatibility

Information on Xeon Gold 5218B and Xeon Gold 5318S 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	4 (Multiprocessor)	2
Socket	FCLGA3647	FCLGA4189
Power consumption (TDP)	125 Watt	165 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Gold 5218B and Xeon Gold 5318S. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	+	+
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	+
Turbo Boost Max 3.0	-	no data
Deep Learning Boost	+	+

Security technologies

Xeon Gold 5218B and Xeon Gold 5318S technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Gold 5218B and Xeon Gold 5318S are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Gold 5218B and Xeon Gold 5318S. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2667	DDR4-2933
Maximum memory size	1 TB	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 Gold 5218B and Xeon Gold 5318S.

PCIe version	3.0	4.0
PCI Express lanes	48	64

Pros & cons summary

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Recency	2 April 2019	6 April 2021
Physical cores	16	24
Threads	32	48
Chip lithography	14 nm	10 nm
Power consumption (TDP)	125 Watt	165 Watt

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