Xeon Platinum 8280M vs Platinum 8168

Primary details

Comparing Xeon Platinum 8168 and Xeon Platinum 8280M processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	262	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	3.63	no data
Market segment	Server	Server
Series	Intel Xeon Platinum	Intel Xeon Platinum
Power efficiency	9.62	no data
Architecture codename	Skylake (server) (2017−2018)	Cascade Lake-SP (2018)
Release date	25 April 2017 (7 years ago)	11 December 2018 (5 years ago)
Launch price (MSRP)	$5,890	$13,012

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon Platinum 8168 and Xeon Platinum 8280M 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	24 (Tetracosa-Core)	28 (Octacosa-Core)
Threads	48	56
Base clock speed	2.7 GHz	2.7 GHz
Boost clock speed	3.7 GHz	4 GHz
Multiplier	27	27
L1 cache	1.5 MB	64 KB (per core)
L2 cache	24 MB	1 MB (per core)
L3 cache	33 MB	38.5 MB (shared)
Chip lithography	14 nm	14 nm
Maximum core temperature	85 °C	84 °C
Number of transistors	no data	8,000 million
64 bit support	+	+
Windows 11 compatibility	+	+

Compatibility

Information on Xeon Platinum 8168 and Xeon Platinum 8280M 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)	8 (Multiprocessor)
Socket	FCLGA3647	FCLGA3647
Power consumption (TDP)	205 Watt	205 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Platinum 8168 and Xeon Platinum 8280M. 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® AVX-512
AES-NI	+	+
AVX	+	+
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	+
Turbo Boost Max 3.0	-	-
Deep Learning Boost	-	+

Security technologies

Xeon Platinum 8168 and Xeon Platinum 8280M technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Platinum 8168 and Xeon Platinum 8280M are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Platinum 8168 and Xeon Platinum 8280M. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR4-2933
Maximum memory size	768 GB	2 TB
Max memory channels	6	6
Maximum memory bandwidth	128.001 GB/s	140.8 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 8168 and Xeon Platinum 8280M.

PCIe version	3.0	3.0
PCI Express lanes	48	48

Pros & cons summary

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Recency	25 April 2017	11 December 2018
Physical cores	24	28
Threads	48	56

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Should you still have questions on choice between Xeon Platinum 8168 and Xeon Platinum 8280M, ask them in Comments section, and we shall answer.

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