i9-11900KF vs Xeon Platinum 9282

Primary details

Comparing Xeon Platinum 9282 and Core i9-11900KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	423
Place by popularity	not in top-100	not in top-100
Market segment	Server	Desktop processor
Series	Intel Xeon Platinum	no data
Power efficiency	no data	11.91
Architecture codename	Cascade Lake-AP (2019)	Rocket Lake (2021)
Release date	2 April 2019 (5 years ago)	16 March 2021 (3 years ago)

Detailed specifications

Xeon Platinum 9282 and Core i9-11900KF 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	56 (Hexapentaconta-Core)	8 (Octa-Core)
Threads	112	16
Base clock speed	2.6 GHz	3.5 GHz
Boost clock speed	3.8 GHz	5.2 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	8 GT/s
Multiplier	26	no data
L1 cache	3.5 MB	64K (per core)
L2 cache	56 MB	256K (per core)
L3 cache	77 MB (shared)	16 MB (shared)
Chip lithography	14 nm	14 nm
Maximum core temperature	no data	100 °C
Maximum case temperature (TCase)	no data	72 °C
Number of transistors	8,000 million	no data
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	-	+

Compatibility

Information on Xeon Platinum 9282 and Core i9-11900KF 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	1
Socket	Intel BGA5903	FCLGA1200
Power consumption (TDP)	400 Watt	125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Platinum 9282 and Core i9-11900KF. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX-512	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
FMA	+	-
AVX	+	+
PowerNow	+	-
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	-	+
SIPP	+	-
Turbo Boost Max 3.0	no data	+
Precision Boost 2	+	no data
Deep Learning Boost	-	+

Security technologies

Xeon Platinum 9282 and Core i9-11900KF technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	no data	+
Secure Key	no data	+
Identity Protection	-	+
SGX	no data	-
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Platinum 9282 and Core i9-11900KF are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Platinum 9282 and Core i9-11900KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2933	DDR4-3200
Maximum memory size	2 TiB	128 GB
Max memory channels	12	2
Maximum memory bandwidth	281.6 GB/s	50 GB/s

Peripherals

Specifications and connection of peripherals supported by Xeon Platinum 9282 and Core i9-11900KF.

PCIe version	no data	4.0
PCI Express lanes	no data	20

Pros & cons summary

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Recency	2 April 2019	16 March 2021
Physical cores	56	8
Threads	112	16
Power consumption (TDP)	400 Watt	125 Watt

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Should you still have questions on choice between Xeon Platinum 9282 and Core i9-11900KF, ask them in Comments section, and we shall answer.

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