Xeon Platinum 8276M vs Platinum 8276

Primary details

Comparing Xeon Platinum 8276 and Xeon Platinum 8276M processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Series	Intel Xeon Platinum	Intel Xeon Platinum
Architecture codename	Cascade Lake-SP (2019)	Cascade Lake (2019−2020)
Release date	11 December 2018 (5 years ago)	2 April 2019 (5 years ago)
Launch price (MSRP)	$8,719	$11,722
Current price	$12862 (1.5x MSRP)	$7529 (0.6x MSRP)

Detailed specifications

Xeon Platinum 8276 and Xeon Platinum 8276M 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)	28 (Octacosa-Core)
Threads	56	56
Base clock speed	2.2 GHz	2.2 GHz
Boost clock speed	4 GHz	4 GHz
L1 cache	64K (per core)	1.75 MB
L2 cache	1 MB (per core)	28 MB
L3 cache	38.5 MB (shared)	38.5 MB
Chip lithography	14 nm	14 nm
Maximum core temperature	89 °C	89 °C
Number of transistors	8,000 million	no data
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	No	No

Compatibility

Information on Xeon Platinum 8276 and Xeon Platinum 8276M 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)	165 Watt	165 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Platinum 8276 and Xeon Platinum 8276M. 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	-	-
Status	Launched	Launched

Security technologies

Xeon Platinum 8276 and Xeon Platinum 8276M technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Platinum 8276 and Xeon Platinum 8276M are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Platinum 8276 and Xeon Platinum 8276M. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2933	DDR4-2933
Maximum memory size	1 TB	2 TB
Max memory channels	6	6
Maximum memory bandwidth	140.8 GB/s	140.8 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon Platinum 8276 and Xeon Platinum 8276M.

PCIe version	3.0	3.0
PCI Express lanes	48	48

Pros & cons summary

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Recency	11 December 2018	2 April 2019
Cost	$8719	$11722

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Should you still have questions on choice between Xeon Platinum 8276 and Xeon Platinum 8276M, ask them in Comments section, and we shall answer.

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