Xeon Silver 4114T vs E5-2666 V3

Primary details

Comparing Xeon E5-2666 V3 and Xeon Silver 4114T processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	850	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Series	no data	Intel Xeon Silver
Power efficiency	6.29	no data
Architecture codename	Haswell-EP (2014−2015)	Skylake (server) (2017−2019)
Release date	13 November 2014 (9 years ago)	11 July 2017 (7 years ago)

Detailed specifications

Xeon E5-2666 V3 and Xeon Silver 4114T 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)	10 (Deca-Core)
Threads	20	20
Base clock speed	2.9 GHz	2.2 GHz
Boost clock speed	3.5 GHz	3 GHz
Multiplier	no data	22
L1 cache	64K (per core)	640 KB
L2 cache	256K (per core)	10 MB
L3 cache	25 MB (shared)	13.75 MB
Chip lithography	22 nm	14 nm
Die size	356 mm2	no data
Maximum core temperature	no data	92 °C
Number of transistors	2,600 million	no data
64 bit support	+	+
Windows 11 compatibility	no data	+

Compatibility

Information on Xeon E5-2666 V3 and Xeon Silver 4114T 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	2 (Multiprocessor)
Socket	2011-3	FCLGA3647
Power consumption (TDP)	135 Watt	85 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2666 V3 and Xeon Silver 4114T. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	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	+	+
Turbo Boost Max 3.0	no data	-

Security technologies

Xeon E5-2666 V3 and Xeon Silver 4114T technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2666 V3 and Xeon Silver 4114T are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2666 V3 and Xeon Silver 4114T. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3, DDR4 2133 MHz Quad-channel	DDR4-2400
Maximum memory size	no data	768 GB
Max memory channels	no data	6
Maximum memory bandwidth	no data	115.212 GB/s
ECC memory support	-	+

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2666 V3 and Xeon Silver 4114T.

PCIe version	3.0	3.0
PCI Express lanes	40	48

Pros & cons summary

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Recency	13 November 2014	11 July 2017
Chip lithography	22 nm	14 nm
Power consumption (TDP)	135 Watt	85 Watt

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