Xeon w5-2445 vs W-2123

Primary details

Comparing Xeon W-2123 and Xeon w5-2445 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1165	274
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	8.81	61.70
Market segment	Server	Server
Series	Intel Xeon W	no data
Power efficiency	4.20	10.94
Architecture codename	Skylake (server) (2017−2019)	Sapphire Rapids (2023−2024)
Release date	29 August 2017 (7 years ago)	15 February 2023 (1 year ago)
Launch price (MSRP)	$294	$839

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon w5-2445 has 600% better value for money than Xeon W-2123.

Detailed specifications

Xeon W-2123 and Xeon w5-2445 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	4 (Quad-Core)	10 (Deca-Core)
Threads	8	20
Base clock speed	3.6 GHz	3.1 GHz
Boost clock speed	3.9 GHz	4.6 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	no data
Multiplier	36	no data
L1 cache	256 KB	80 KB (per core)
L2 cache	4 MB	2 MB (per core)
L3 cache	8.25 MB (shared)	26.25 MB
Chip lithography	14 nm	Intel 7 nm
Die size	484 mm2	no data
Maximum case temperature (TCase)	64 °C	72 °C
64 bit support	+	+
Windows 11 compatibility	+	+

Compatibility

Information on Xeon W-2123 and Xeon w5-2445 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)	1
Socket	FCLGA2066	FCLGA4677
Power consumption (TDP)	120 Watt	175 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon W-2123 and Xeon w5-2445. 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® SSE4.1, Intel® AMX, Intel® SSE4.2, 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	-	+
Deep Learning Boost	-	+

Security technologies

Xeon W-2123 and Xeon w5-2445 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	+	no data
MPX	+	-
Identity Protection	+	-
SGX	-	-
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon W-2123 and Xeon w5-2445 are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon W-2123 and Xeon w5-2445. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-1600, DDR4-1866, DDR4-2133, DDR4-2400, DDR4-2666	DDR5-4800
Maximum memory size	512 GB	2 TB
Max memory channels	4	4
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-2123 and Xeon w5-2445.

PCIe version	3.0	5.0
PCI Express lanes	48	64

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

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Pros & cons summary

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Performance score	5.53	20.99
Recency	29 August 2017	15 February 2023
Physical cores	4	10
Threads	8	20
Power consumption (TDP)	120 Watt	175 Watt

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Should you still have questions on choice between Xeon W-2123 and Xeon w5-2445, ask them in Comments section, and we shall answer.

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