Xeon Silver 4514Y vs W-2191B

Primary details

Comparing Xeon W-2191B and Xeon Silver 4514Y processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	349	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Series	Intel Xeon W	no data
Power efficiency	11.91	no data
Architecture codename	Skylake (server) (2017−2018)	Emerald Rapids (2023)
Release date	21 December 2017 (6 years ago)	14 December 2023 (less than a year ago)
Launch price (MSRP)	no data	$780

Detailed specifications

Xeon W-2191B and Xeon Silver 4514Y 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	18 (Octadeca-Core)	16 (Hexadeca-Core)
Threads	36	32
Base clock speed	2.3 GHz	2 GHz
Boost clock speed	4.3 GHz	3.4 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	no data
Multiplier	23	no data
L1 cache	64K (per core)	80 KB (per core)
L2 cache	1 MB (per core)	2 MB (per core)
L3 cache	24.75 MB (shared)	30 MB (shared)
Chip lithography	14 nm	Intel 7 nm
Die size	484 mm2	2x 763 mm2
Maximum case temperature (TCase)	66 °C	79 °C
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Xeon W-2191B and Xeon Silver 4514Y 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)	2
Socket	2066	FCLGA4677
Power consumption (TDP)	140 Watt	150 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon W-2191B and Xeon Silver 4514Y. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® AMX, 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	+	+
Deep Learning Boost	-	+

Security technologies

Xeon W-2191B and Xeon Silver 4514Y technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	no data	+
SGX	no data	Yes with Intel® SPS
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon W-2191B and Xeon Silver 4514Y are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon W-2191B and Xeon Silver 4514Y. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR5-4400
Maximum memory size	512 GB	4 TB
Max memory channels	4	8
Maximum memory bandwidth	85.33 GB/s	no data
ECC memory support	+	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

N/A

Peripherals

Specifications and connection of peripherals supported by Xeon W-2191B and Xeon Silver 4514Y.

PCIe version	3.0	5.0
PCI Express lanes	48	80

Pros & cons summary

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Recency	21 December 2017	14 December 2023
Physical cores	18	16
Threads	36	32
Power consumption (TDP)	140 Watt	150 Watt

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Should you still have questions on choice between Xeon W-2191B and Xeon Silver 4514Y, ask them in Comments section, and we shall answer.

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