Xeon W3565 vs W-2125

Primary details

Comparing Xeon W-2125 and Xeon W3565 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	990	1771
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	6.53	5.66
Market segment	Server	Server
Series	Intel Xeon W	no data
Architecture codename	Skylake (server) (2017−2019)	Bloomfield (2008−2010)
Release date	29 August 2017 (6 years ago)	November 2009 (14 years ago)
Launch price (MSRP)	$444	$70
Current price	$430 (1x MSRP)	$65 (0.9x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon W-2125 has 15% better value for money than Xeon W3565.

Detailed specifications

Xeon W-2125 and Xeon W3565 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)	4 (Quad-Core)
Threads	8	8
Base clock speed	4 GHz	3.2 GHz
Boost clock speed	4.5 GHz	3.46 GHz
Bus support	4 × 8 GT/s	no data
L1 cache	64K (per core)	64 KB (per core)
L2 cache	1 MB (per core)	256 KB (per core)
L3 cache	8.25 MB (shared)	8 MB (shared)
Chip lithography	14 nm	45 nm
Die size	484 mm2	263 mm2
Maximum core temperature	64 °C	no data
Maximum case temperature (TCase)	64 °C	no data
Number of transistors	no data	731 million
64 bit support	+	+
Windows 11 compatibility	+	-
Unlocked multiplier	No	No

Compatibility

Information on Xeon W-2125 and Xeon W3565 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	1
Socket	FCLGA2066	FCLGA1366
Power consumption (TDP)	120 Watt	130 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon W-2125 and Xeon W3565. 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® SSE4.2
AES-NI	+	-
AVX	+	no data
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	no data
Turbo Boost Technology	2.0	1.0
Hyper-Threading Technology	+	+
TSX	+	no data
Idle States	+	+
Thermal Monitoring	+	-
Flex Memory Access	-	no data
Demand Based Switching	+	+
PAE	46 Bit	36 Bit
Turbo Boost Max 3.0	-	no data
Status	Discontinued	Discontinued

Security technologies

Xeon W-2125 and Xeon W3565 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon W-2125 and Xeon W3565 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon W-2125 and Xeon W3565. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-1600, DDR4-1866, DDR4-2133, DDR4-2400, DDR4-2666	DDR3
Maximum memory size	512 GB	24 GB
Max memory channels	4	3
Maximum memory bandwidth	85.3 GB/s	25.6 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon W-2125 and Xeon W3565.

PCIe version	3.0	no data
PCI Express lanes	48	no data

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.

W-2125 outperforms W3565 by 197% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	6.47	2.18
Cost	$444	$70
Chip lithography	14 nm	45 nm
Power consumption (TDP)	120 Watt	130 Watt

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Should you still have questions on choice between Xeon W-2125 and Xeon W3565, ask them in Comments section, and we shall answer.

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