Xeon D-2876NT vs i9-9900KF

Primary details

Comparing Core i9-9900KF and Xeon D-2876NT processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	673	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	8.31	no data
Market segment	Desktop processor	Server
Series	Intel Core i9	no data
Power efficiency	11.46	no data
Architecture codename	Coffee Lake-R (2018−2019)	no data
Release date	7 January 2019 (5 years ago)	1 October 2023 (1 year ago)
Launch price (MSRP)	$488	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i9-9900KF and Xeon D-2876NT 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 GHz
Boost clock speed	5 GHz	3.1 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	no data
L1 cache	512 KB	no data
L2 cache	2 MB	no data
L3 cache	16 MB (shared)	20 MB
Chip lithography	14 nm	no data
Maximum core temperature	100 °C	no data
Maximum case temperature (TCase)	72 °C	no data
64 bit support	+	+
Windows 11 compatibility	+	no data
Unlocked multiplier	+	-

Compatibility

Information on Core i9-9900KF and Xeon D-2876NT 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)	no data
Socket	FCLGA1151	FCBGA2579
Power consumption (TDP)	95 Watt	100 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-9900KF and Xeon D-2876NT. You'll probably need this information if you require some particular technology.

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

Security technologies

Core i9-9900KF and Xeon D-2876NT 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	Yes with Intel® SPS
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-9900KF and Xeon D-2876NT are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-9900KF and Xeon D-2876NT. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR4
Maximum memory size	128 GB	1 TB
Max memory channels	2	4
Maximum memory bandwidth	42.671 GB/s	no data
ECC memory support	-	+

Peripherals

Specifications and connection of peripherals supported by Core i9-9900KF and Xeon D-2876NT.

PCIe version	3.0	4.0
PCI Express lanes	16	32
USB revision	no data	3.0
Max number of SATA 6 Gb/s Ports	no data	24
Number of USB ports	no data	4
Integrated LAN	no data	+

Pros & cons summary

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Recency	7 January 2019	1 October 2023
Physical cores	8	16
Threads	16	32
Power consumption (TDP)	95 Watt	100 Watt

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Should you still have questions on choice between Core i9-9900KF and Xeon D-2876NT, ask them in Comments section, and we shall answer.

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