Intel Xeon Platinum 8280M: specs and benchmarks

Summary

Intel started Xeon Platinum 8280M sales 11 December 2018 at a recommended price of $13,012. This is a Cascade Lake-SP architecture desktop processor primarily aimed at professional systems. It has 28 cores and 56 threads, and is based on 14 nm manufacturing technology, with a maximum frequency of 4000 MHz and a locked multiplier.

Compatibility-wise, this is FCLGA3647 processor with a TDP of 205 Watt. It supports DDR4-2933 memory.

General info

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

Place in performance ranking	not rated
Place by popularity	not in top-100
Market segment	Server
Series	Intel Xeon Platinum
Architecture codename	Cascade Lake-SP (2019)
Release date	11 December 2018 (5 years old)
Launch price (MSRP)	$13,012	of 305 (Core i7-870)
Current price	$12570 (1x MSRP)	of 17802 (Threadripper PRO 7995WX)

Technical specs

Basic microprocessor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.

Physical cores	28 (Octacosa-Core)
Threads	56
Base clock speed	2.7 GHz	of 4.7 (FX-9590)
Boost clock speed	4 GHz	of 6.2 (Core i9-14900KS)
L1 cache	64K (per core)	of 7475.2 (Apple M2 Pro 10-Core)
L2 cache	1 MB (per core)	of 36 (Apple M2 Max)
L3 cache	38.5 MB (shared)	of 768 (EPYC 7373X)
Chip lithography	14 nm	of 3 (Apple M3 Max 16-Core)
Maximum core temperature	84 °C	of 110 (Atom x7-E3950)
Number of transistors	8,000 million	of 9900000 (Ryzen 5 7645HX)
64 bit support	+
Windows 11 compatibility	+
Unlocked multiplier	No

Compatibility

Information on Xeon Platinum 8280M compatibility with other computer components and devices: 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)
Socket	FCLGA3647
Power consumption (TDP)	205 Watt	of 400 (Xeon Platinum 9282)

Technologies and extensions

Technological capabilities and additional instructions supported by Xeon Platinum 8280M. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX-512
AES-NI	+
AVX	+
vPro	+
Enhanced SpeedStep (EIST)	+
Speed Shift	+
Turbo Boost Technology	2.0
Hyper-Threading Technology	+
TSX	+
Turbo Boost Max 3.0	-
Status	Launched

Security technologies

Processor technologies aimed at improving security, for example, by protecting against hacks.

TXT	+
EDB	+

Virtualization technologies

Supported virtual machine optimization technologies. Some are specific to Intel only, some to AMD.

VT-d	+
VT-x	+
EPT	+

Memory specs

Types, maximum amount and channel number of RAM supported by Xeon Platinum 8280M's memory controller. Depending on the motherboard, higher memory frequency may be supported.

Supported memory types	DDR4-2933
Maximum memory size	2 TB	of 786 (Xeon E5-2670 v3)
Max memory channels	6	of 12 (Xeon Platinum 9221)
Maximum memory bandwidth	140.8 GB/s	of 460.8 (EPYC 9124)
ECC memory support	+

Peripherals

Specifications and connection types of supported peripherals.

PCIe version	3.0	of 5 (Core i9-12900K)
PCI Express lanes	48	of 128 (EPYC 7551P)

Benchmark performance

Single-core and multi-core benchmark results of Xeon Platinum 8280M. Overall benchmark performance is measured in points in 0-100 range, higher is better.

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