i9-10940XE vs Xeon E5-2699 v3

Primary details

Comparing Xeon E5-2699 v3 and Core i9-10940XE processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	598	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Desktop processor
Power efficiency	8.40	no data
Architecture codename	Haswell-EP (2014−2015)	Cascade Lake-X (2019)
Release date	8 September 2014 (10 years ago)	19 October 2019 (5 years ago)

Detailed specifications

Xeon E5-2699 v3 and Core i9-10940XE 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	18 (Octadeca-Core)	14 (Tetradeca-Core)
Threads	36	28
Base clock speed	2.3 GHz	3.3 GHz
Boost clock speed	3.6 GHz	4.8 GHz
Bus rate	9.6 GT/s	no data
L1 cache	64K (per core)	64K (per core)
L2 cache	256K (per core)	1 MB (per core)
L3 cache	45 MB (shared)	19.25 MB (shared)
Chip lithography	22 nm	14 nm
Die size	356 mm2	no data
Maximum case temperature (TCase)	77 °C	no data
Number of transistors	2,600 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	-	+

Compatibility

Information on Xeon E5-2699 v3 and Core i9-10940XE 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	1
Socket	FCLGA2011	2066
Power consumption (TDP)	145 Watt	165 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2699 v3 and Core i9-10940XE. You'll probably need this information if you require some particular technology.

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

Security technologies

Xeon E5-2699 v3 and Core i9-10940XE technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	no data
Secure Key	+	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2699 v3 and Core i9-10940XE are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2699 v3 and Core i9-10940XE. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-1600, DDR4-1866, DDR4-2133	DDR4 Quad-channel
Maximum memory size	768 GB	no data
Max memory channels	4	no data
Maximum memory bandwidth	68 GB/s	no data
ECC memory support	+	-

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2699 v3 and Core i9-10940XE.

PCIe version	3.0	3.0
PCI Express lanes	40	no data

Pros & cons summary

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Recency	8 September 2014	19 October 2019
Physical cores	18	14
Threads	36	28
Chip lithography	22 nm	14 nm
Power consumption (TDP)	145 Watt	165 Watt

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