Xeon Platinum 8276 vs Platinum 8173M

Primary details

Comparing Xeon Platinum 8173M and Xeon Platinum 8276 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	339	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	Skylake (server) (2017−2019)	Cascade Lake-SP (2018−2019)
Release date	no data	11 December 2018 (5 years ago)
Launch price (MSRP)	no data	$8,719

Detailed specifications

Xeon Platinum 8173M and Xeon Platinum 8276 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	no data	2.2 GHz
Boost clock speed	2.1 GHz	4 GHz
Multiplier	21	22
L1 cache	1.75 MB	64K (per core)
L2 cache	28 MB	1 MB (per core)
L3 cache	38.5 MB	38.5 MB (shared)
Chip lithography	14 nm	14 nm
Maximum core temperature	no data	89 °C
Number of transistors	no data	8,000 million
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on Xeon Platinum 8173M and Xeon Platinum 8276 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	Socket P	FCLGA3647
Power consumption (TDP)	no data	165 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Platinum 8173M and Xeon Platinum 8276. You'll probably need this information if you require some particular technology.

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

Security technologies

Xeon Platinum 8173M and Xeon Platinum 8276 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Platinum 8173M and Xeon Platinum 8276 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Platinum 8173M and Xeon Platinum 8276. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR4-2933
Maximum memory size	1,536 GB	1 TB
Max memory channels	6	6
Maximum memory bandwidth	128.001 GB/s	140.8 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon Platinum 8173M and Xeon Platinum 8276.

PCIe version	3.0	3.0
PCI Express lanes	48	48

Pros & cons summary

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