Xeon Gold 6443N vs E7-8855 v4

Primary details

Comparing Xeon E7-8855 v4 and Xeon Gold 6443N processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Release date	1 April 2016 (8 years ago)	1 July 2023 (1 year ago)
Current price	$999	no data

Detailed specifications

Xeon E7-8855 v4 and Xeon Gold 6443N 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	14 (Tetradeca-Core)	32 (Dotriaconta-Core)
Threads	28	64
Base clock speed	2.1 GHz	2 GHz
Boost clock speed	2.8 GHz	3.6 GHz
L3 cache	35 MB	60 MB
Chip lithography	14 nm	Intel 7 nm
Maximum core temperature	73 °C	81 °C
64 bit support	+	-
Windows 11 compatibility	-	no data
Unlocked multiplier	No	No

Compatibility

Information on Xeon E7-8855 v4 and Xeon Gold 6443N 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	8	no data
Socket	FCLGA2011	FCLGA4677
Power consumption (TDP)	140 Watt	195 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E7-8855 v4 and Xeon Gold 6443N. 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	+	+
Enhanced SpeedStep (EIST)	+	no data
Speed Shift	no data	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	+
Idle States	+	no data
Thermal Monitoring	+	no data
PAE	46 Bit	no data
Instruction Replay	-	no data
Status	Launched	Launched

Security technologies

Xeon E7-8855 v4 and Xeon Gold 6443N technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	+	no data
SGX	no data	Yes with Intel® SPS
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E7-8855 v4 and Xeon Gold 6443N are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E7-8855 v4 and Xeon Gold 6443N. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-1333, DDR4-1600, DDR4-1866, DDR3-1066, DDR3-1333, DDR3-1600	DDR5-4400
Maximum memory size	3 TB	4 TB
Max memory channels	4	8
Maximum memory bandwidth	102 GB/s	no data
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon E7-8855 v4 and Xeon Gold 6443N.

PCIe version	3.0	4
PCI Express lanes	32	64

Pros & cons summary

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Recency	1 April 2016	1 July 2023
Physical cores	14	32
Threads	28	64
Power consumption (TDP)	140 Watt	195 Watt

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Should you still have questions on choice between Xeon E7-8855 v4 and Xeon Gold 6443N, ask them in Comments section, and we shall answer.

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