Xeon W-2191B vs Platinum 8276L

Primary details

Comparing Xeon Platinum 8276L and Xeon W-2191B processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	342
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Series	Intel Xeon Platinum	Intel Xeon W
Power efficiency	no data	11.95
Architecture codename	Cascade Lake (2019−2020)	Skylake (server) (2017−2019)
Release date	2 April 2019 (5 years ago)	21 December 2017 (6 years ago)
Launch price (MSRP)	$16,616	no data

Detailed specifications

Xeon Platinum 8276L and Xeon W-2191B 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)	18 (Octadeca-Core)
Threads	56	36
Base clock speed	2.2 GHz	2.3 GHz
Boost clock speed	4 GHz	4.3 GHz
Bus type	no data	DMI 3.0
Bus rate	no data	4 × 8 GT/s
Multiplier	22	23
L1 cache	1.75 MB	64K (per core)
L2 cache	28 MB	1 MB (per core)
L3 cache	38.5 MB	24.75 MB (shared)
Chip lithography	14 nm	14 nm
Die size	no data	484 mm2
Maximum core temperature	89 °C	no data
Maximum case temperature (TCase)	no data	66 °C
64 bit support	+	+
Windows 11 compatibility	+	-

Compatibility

Information on Xeon Platinum 8276L and Xeon W-2191B 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)	1 (Uniprocessor)
Socket	FCLGA3647	2066
Power consumption (TDP)	165 Watt	140 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Platinum 8276L and Xeon W-2191B. 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	no data
AES-NI	+	+
AVX	+	+
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	+
Turbo Boost Max 3.0	-	no data
Deep Learning Boost	+	-

Security technologies

Xeon Platinum 8276L and Xeon W-2191B 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 8276L and Xeon W-2191B are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Platinum 8276L and Xeon W-2191B. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2933	DDR4-2666
Maximum memory size	4.5 TB	512 GB
Max memory channels	6	4
Maximum memory bandwidth	140.8 GB/s	85.33 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon Platinum 8276L and Xeon W-2191B.

PCIe version	3.0	3.0
PCI Express lanes	48	48

Pros & cons summary

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Recency	2 April 2019	21 December 2017
Physical cores	28	18
Threads	56	36
Power consumption (TDP)	165 Watt	140 Watt

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Should you still have questions on choice between Xeon Platinum 8276L and Xeon W-2191B, ask them in Comments section, and we shall answer.

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