Xeon D-1540 vs i9-9900KF

Primary details

Comparing Core i9-9900KF and Xeon D-1540 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	688	1071
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	8.43	2.84
Market segment	Desktop processor	Server
Series	Intel Core i9	Intel Xeon D
Power efficiency	11.43	13.27
Architecture codename	Coffee Lake-R (2018−2019)	Broadwell (2015−2019)
Release date	8 January 2019 (5 years ago)	9 March 2015 (9 years ago)
Launch price (MSRP)	$488	$581

Cost-effectiveness evaluation

Performance per price, higher is better.

i9-9900KF has 197% better value for money than Xeon D-1540.

Detailed specifications

Core i9-9900KF and Xeon D-1540 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)	8 (Octa-Core)
Threads	16	16
Base clock speed	3.6 GHz	2 GHz
Boost clock speed	5 GHz	2.6 GHz
Bus type	DMI 3.0	DMI 2.0
Bus rate	4 × 8 GT/s	no data
Multiplier	no data	20
L1 cache	64K (per core)	64K (per core)
L2 cache	256K (per core)	256K (per core)
L3 cache	16 MB (shared)	1.5 MB (per core)
Chip lithography	14 nm	14 nm
Die size	no data	246.24 mm2
Maximum core temperature	100 °C	no data
Maximum case temperature (TCase)	72 °C	80 °C
Number of transistors	no data	3,200 million
64 bit support	+	+
Windows 11 compatibility	+	-
Unlocked multiplier	+	-

Compatibility

Information on Core i9-9900KF and Xeon D-1540 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)	1 (Uniprocessor)
Socket	FCLGA1151	FCBGA1667
Power consumption (TDP)	95 Watt	45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-9900KF and Xeon D-1540. You'll probably need this information if you require some particular technology.

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

Security technologies

Core i9-9900KF and Xeon D-1540 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-9900KF and Xeon D-1540 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 D-1540. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR4
Maximum memory size	128 GB	128 GB
Max memory channels	2	2
Maximum memory bandwidth	42.671 GB/s	34.124 GB/s
ECC memory support	-	+

Peripherals

Specifications and connection of peripherals supported by Core i9-9900KF and Xeon D-1540.

PCIe version	3.0	2.0/3.0
PCI Express lanes	16	24
USB revision	no data	2.0/3.0
Total number of SATA ports	no data	6
Number of USB ports	no data	8
Integrated LAN	no data	+
UART	no data	+

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	11.47	6.31
Recency	8 January 2019	9 March 2015
Power consumption (TDP)	95 Watt	45 Watt

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Should you still have questions on choice between Core i9-9900KF and Xeon D-1540, ask them in Comments section, and we shall answer.

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