Xeon Platinum 8156 vs i9-10940X

Primary details

Comparing Core i9-10940X and Xeon Platinum 8156 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	353	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Server
Series	no data	Intel Xeon Platinum
Power efficiency	10.08	no data
Architecture codename	Cascade Lake-X (2019)	Skylake (server) (2017−2018)
Release date	19 October 2019 (5 years ago)	25 April 2017 (7 years ago)
Launch price (MSRP)	no data	$7,007

Detailed specifications

Core i9-10940X and Xeon Platinum 8156 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	14 (Tetradeca-Core)	4 (Quad-Core)
Threads	28	8
Base clock speed	3.3 GHz	3.6 GHz
Boost clock speed	4.8 GHz	3.7 GHz
Bus rate	8 GT/s DMI3 MHz	no data
Multiplier	no data	36
L1 cache	64K (per core)	256 KB
L2 cache	1 MB (per core)	4 MB
L3 cache	19.25 MB (shared)	16.5 MB
Chip lithography	14 nm	14 nm
Maximum core temperature	86 °C	71 °C
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	+	-

Compatibility

Information on Core i9-10940X and Xeon Platinum 8156 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	8 (Multiprocessor)
Socket	FCLGA2066	FCLGA3647
Power consumption (TDP)	165 Watt	105 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-10940X and Xeon Platinum 8156. 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® SSE4.2, Intel® AVX, Intel® AVX2, 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 i9-10940X and Xeon Platinum 8156 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-10940X and Xeon Platinum 8156 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-10940X and Xeon Platinum 8156. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2933	DDR4-2666
Maximum memory size	256 GB	768 GB
Max memory channels	4	6
Maximum memory bandwidth	94 GB/s	128.001 GB/s
ECC memory support	-	+

Peripherals

Specifications and connection of peripherals supported by Core i9-10940X and Xeon Platinum 8156.

PCIe version	3.0	3.0
PCI Express lanes	48	48

Pros & cons summary

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Recency	19 October 2019	25 April 2017
Physical cores	14	4
Threads	28	8
Power consumption (TDP)	165 Watt	105 Watt

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Should you still have questions on choice between Core i9-10940X and Xeon Platinum 8156, ask them in Comments section, and we shall answer.

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