Xeon Silver 4509Y vs W-2145

Primary details

Comparing Xeon W-2145 and Xeon Silver 4509Y processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	680	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	7.56	no data
Market segment	Server	Server
Series	Intel Xeon W	no data
Power efficiency	7.74	no data
Architecture codename	Skylake (server) (2017−2018)	Sapphire Rapids (2023−2024)
Release date	29 August 2017 (7 years ago)	14 December 2023 (less than a year ago)
Launch price (MSRP)	$1,113	$563

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon W-2145 and Xeon Silver 4509Y 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	8 (Octa-Core)	8 (Octa-Core)
Threads	16	16
Base clock speed	3.7 GHz	2.6 GHz
Boost clock speed	4.5 GHz	4.1 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	no data
Multiplier	37	no data
L1 cache	64K (per core)	80 KB (per core)
L2 cache	1 MB (per core)	2 MB (per core)
L3 cache	11 MB (shared)	22.5 MB (shared)
Chip lithography	14 nm	Intel 7 nm
Die size	484 mm2	no data
Maximum case temperature (TCase)	70 °C	84 °C
64 bit support	+	+
Windows 11 compatibility	+	no data

Compatibility

Information on Xeon W-2145 and Xeon Silver 4509Y 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	Socket R4	FCLGA4677
Power consumption (TDP)	140 Watt	125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon W-2145 and Xeon Silver 4509Y. 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	Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	+	+
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	+
Idle States	+	no data
Thermal Monitoring	+	-
Flex Memory Access	-	no data
Demand Based Switching	+	no data
PAE	46 Bit	no data
Turbo Boost Max 3.0	-	no data
Deep Learning Boost	-	+

Security technologies

Xeon W-2145 and Xeon Silver 4509Y technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	+	no data
MPX	+	-
Identity Protection	+	-
SGX	-	Yes with Intel® SPS
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon W-2145 and Xeon Silver 4509Y are enumerated here.

AMD-V	+	-
VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon W-2145 and Xeon Silver 4509Y. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR5 @ 4400 MT/s (1 DPC &2DPC)
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-2145 and Xeon Silver 4509Y.

PCIe version	3.0	5
PCI Express lanes	48	80

Pros & cons summary

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Recency	29 August 2017	14 December 2023
Power consumption (TDP)	140 Watt	125 Watt

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Should you still have questions on choice between Xeon W-2145 and Xeon Silver 4509Y, ask them in Comments section, and we shall answer.

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