Xeon Gold 5218B vs i9-9900KF

Primary details

Comparing Core i9-9900KF and Xeon Gold 5218B processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	675	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	8.21	no data
Market segment	Desktop processor	Server
Series	Intel Core i9	Intel Xeon Gold
Power efficiency	11.46	no data
Architecture codename	Coffee Lake-R (2018−2019)	Cascade Lake (2019−2020)
Release date	8 January 2019 (5 years ago)	2 April 2019 (5 years ago)
Launch price (MSRP)	$488	$1,273

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i9-9900KF and Xeon Gold 5218B 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	8 (Octa-Core)	16 (Hexadeca-Core)
Threads	16	32
Base clock speed	3.6 GHz	2.3 GHz
Boost clock speed	5 GHz	3.9 GHz
Bus type	DMI 3.0	DMI 3.0
Bus rate	4 × 8 GT/s	4 × 8 GT/s
Multiplier	no data	23
L1 cache	64K (per core)	1 MB
L2 cache	256K (per core)	16 MB
L3 cache	16 MB (shared)	22 MB
Chip lithography	14 nm	14 nm
Maximum core temperature	100 °C	87 °C
Maximum case temperature (TCase)	72 °C	no data
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	+	-

Compatibility

Information on Core i9-9900KF and Xeon Gold 5218B 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 (Uniprocessor)	4 (Multiprocessor)
Socket	FCLGA1151	FCLGA3647
Power consumption (TDP)	95 Watt	125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-9900KF and Xeon Gold 5218B. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	+	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	+
Idle States	+	no data
Thermal Monitoring	+	-
Turbo Boost Max 3.0	no data	-
Deep Learning Boost	-	+

Security technologies

Core i9-9900KF and Xeon Gold 5218B technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	+
EDB	+	+
Secure Key	+	no data
MPX	+	-
Identity Protection	+	-
SGX	Yes with Intel® ME	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-9900KF and Xeon Gold 5218B are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-9900KF and Xeon Gold 5218B. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR4-2667
Maximum memory size	128 GB	1 TB
Max memory channels	2	6
Maximum memory bandwidth	42.671 GB/s	128.001 GB/s
ECC memory support	-	+

Peripherals

Specifications and connection of peripherals supported by Core i9-9900KF and Xeon Gold 5218B.

PCIe version	3.0	3.0
PCI Express lanes	16	48

Pros & cons summary

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Recency	8 January 2019	2 April 2019
Physical cores	8	16
Threads	16	32
Power consumption (TDP)	95 Watt	125 Watt

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Should you still have questions on choice between Core i9-9900KF and Xeon Gold 5218B, ask them in Comments section, and we shall answer.

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