Xeon Platinum 8276M vs i9-9820X

Primary details

Comparing Core i9-9820X and Xeon Platinum 8276M processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	595	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	4.87	no data
Market segment	Desktop processor	Server
Series	Intel Core i9	Intel Xeon Platinum
Power efficiency	7.30	no data
Architecture codename	Skylake (server) (2017−2019)	Cascade Lake (2019−2020)
Release date	8 October 2018 (6 years ago)	2 April 2019 (5 years ago)
Launch price (MSRP)	$898	$11,722

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i9-9820X 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	10 (Deca-Core)	28 (Octacosa-Core)
Threads	20	56
Base clock speed	3.3 GHz	2.2 GHz
Boost clock speed	4.2 GHz	4 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	no data
Multiplier	33	22
L1 cache	640 KB	1.75 MB
L2 cache	10 MB	28 MB
L3 cache	16.5 MB (shared)	38.5 MB
Chip lithography	14 nm	14 nm
Maximum core temperature	92 °C	89 °C
Maximum case temperature (TCase)	72 °C	no data
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	+	-

Compatibility

Information on Core i9-9820X 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	1 (Uniprocessor)	8 (Multiprocessor)
Socket	FCLGA2066	FCLGA3647
Power consumption (TDP)	165 Watt	165 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-9820X and Xeon Platinum 8276M. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512	Intel® AVX-512
AES-NI	+	+
AVX	+	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	+
Turbo Boost Max 3.0	+	-
Deep Learning Boost	-	+

Security technologies

Core i9-9820X and Xeon Platinum 8276M technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	+
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-9820X and Xeon Platinum 8276M are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-9820X and Xeon Platinum 8276M. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR4-2933
Maximum memory size	128 GB	2 TB
Max memory channels	4	6
Maximum memory bandwidth	85.33 GB/s	140.8 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

no data

Peripherals

Specifications and connection of peripherals supported by Core i9-9820X and Xeon Platinum 8276M.

PCIe version	3.0	3.0
PCI Express lanes	44	48

Pros & cons summary

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Recency	8 October 2018	2 April 2019
Physical cores	10	28
Threads	20	56

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Should you still have questions on choice between Core i9-9820X and Xeon Platinum 8276M, ask them in Comments section, and we shall answer.

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