i9-14900KF vs Xeon Platinum 8280L

Primary details

Comparing Xeon Platinum 8280L and Core i9-14900KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	84
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	63.40
Market segment	Server	Desktop processor
Series	Intel Xeon Platinum	no data
Power efficiency	no data	28.37
Architecture codename	Cascade Lake (2019−2020)	Raptor Lake-R (2023−2024)
Release date	2 April 2019 (5 years ago)	17 October 2023 (1 year ago)
Launch price (MSRP)	$17,906	$564

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon Platinum 8280L and Core i9-14900KF 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	28 (Octacosa-Core)	24 (Tetracosa-Core)
Threads	56	32
Base clock speed	2.7 GHz	3.2 GHz
Boost clock speed	4 GHz	5.8 GHz
Multiplier	27	no data
L1 cache	1.75 MB	80 KB (per core)
L2 cache	28 MB	2 MB (per core)
L3 cache	38.5 MB	36 MB (shared)
Chip lithography	14 nm	Intel 7 nm
Die size	no data	257 mm2
Maximum core temperature	84 °C	100 °C
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	-	+

Compatibility

Information on Xeon Platinum 8280L and Core i9-14900KF 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 (Multiprocessor)	1
Socket	FCLGA3647	FCLGA1700
Power consumption (TDP)	205 Watt	125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Platinum 8280L and Core i9-14900KF. 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® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
AVX	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	+
Idle States	no data	+
Thermal Monitoring	-	+
Turbo Boost Max 3.0	-	+
Deep Learning Boost	+	+

Security technologies

Xeon Platinum 8280L and Core i9-14900KF technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	no data	+
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Platinum 8280L and Core i9-14900KF are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Platinum 8280L and Core i9-14900KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2933	DDR5-5600, DDR4-3200
Maximum memory size	4.5 TB	192 GB
Max memory channels	6	2
Maximum memory bandwidth	140.8 GB/s	89.6 GB/s
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

N/A

Peripherals

Specifications and connection of peripherals supported by Xeon Platinum 8280L and Core i9-14900KF.

PCIe version	3.0	5.0 and 4.0
PCI Express lanes	48	16

Pros & cons summary

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Recency	2 April 2019	17 October 2023
Physical cores	28	24
Threads	56	32
Power consumption (TDP)	205 Watt	125 Watt

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Should you still have questions on choice between Xeon Platinum 8280L and Core i9-14900KF, ask them in Comments section, and we shall answer.

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