Xeon W-2123 vs E5-2640 v4

Primary details

Comparing Xeon E5-2640 v4 and Xeon W-2123 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	945	1170
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	2.75	8.54
Market segment	Server	Server
Series	Intel Xeon E5	Intel Xeon W
Power efficiency	8.28	4.20
Architecture codename	Broadwell (2015−2019)	Skylake (server) (2017−2018)
Release date	20 June 2016 (8 years ago)	29 August 2017 (7 years ago)
Launch price (MSRP)	$939	$294

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon W-2123 has 211% better value for money than Xeon E5-2640 v4.

Detailed specifications

Xeon E5-2640 v4 and Xeon W-2123 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	10 (Deca-Core)	4 (Quad-Core)
Threads	20	8
Base clock speed	2.4 GHz	3.6 GHz
Boost clock speed	3.4 GHz	3.9 GHz
Bus type	QPI	DMI 3.0
Bus rate	2 × 8 GT/s	4 × 8 GT/s
Multiplier	24	36
L1 cache	no data	64K (per core)
L2 cache	2.5 MB	1 MB (per core)
L3 cache	25 MB	8.25 MB (shared)
Chip lithography	14 nm	14 nm
Die size	246.24 mm2	484 mm2
Maximum core temperature	76 °C	no data
Maximum case temperature (TCase)	no data	64 °C
Number of transistors	3200 Million	no data
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on Xeon E5-2640 v4 and Xeon W-2123 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	2 (Multiprocessor)	1 (Uniprocessor)
Socket	FCLGA2011	FCLGA2066
Power consumption (TDP)	90 Watt	120 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2640 v4 and Xeon W-2123. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX2	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	+	+
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	+
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	-	-
Demand Based Switching	+	+
PAE	46 Bit	46 Bit
Turbo Boost Max 3.0	no data	-

Security technologies

Xeon E5-2640 v4 and Xeon W-2123 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2640 v4 and Xeon W-2123 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2640 v4 and Xeon W-2123. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-1600, DDR4-1866, DDR4-2133	DDR4-1600, DDR4-1866, DDR4-2133, DDR4-2400, DDR4-2666
Maximum memory size	1.5 TB	512 GB
Max memory channels	4	4
Maximum memory bandwidth	68.3 GB/s	85.33 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2640 v4 and Xeon W-2123.

PCIe version	3.0	3.0
PCI Express lanes	40	48

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	7.87	5.33
Recency	20 June 2016	29 August 2017
Physical cores	10	4
Threads	20	8
Power consumption (TDP)	90 Watt	120 Watt

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Should you still have questions on choice between Xeon E5-2640 v4 and Xeon W-2123, ask them in Comments section, and we shall answer.

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