Xeon Platinum 8581V vs E7-8855 v4

Primary details

Comparing Xeon E7-8855 v4 and Xeon Platinum 8581V processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Architecture codename	no data	Emerald Rapids (2023)
Release date	1 April 2016 (8 years ago)	14 December 2023 (less than a year ago)
Launch price (MSRP)	no data	$7,568

Detailed specifications

Xeon E7-8855 v4 and Xeon Platinum 8581V 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)	60 (Hexaconta-Core)
Threads	28	120
Base clock speed	2.1 GHz	2 GHz
Boost clock speed	2.8 GHz	3.9 GHz
Bus rate	8 GT/s	no data
L1 cache	no data	80 KB (per core)
L2 cache	no data	2 MB (per core)
L3 cache	35 MB	300 MB (shared)
Chip lithography	14 nm	Intel 7 nm
Die size	no data	2x 763 mm2
Maximum core temperature	73 °C	no data
Maximum case temperature (TCase)	no data	74 °C
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Xeon E7-8855 v4 and Xeon Platinum 8581V 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	1
Socket	FCLGA2011	FCLGA4677
Power consumption (TDP)	140 Watt	270 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E7-8855 v4 and Xeon Platinum 8581V. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX2	Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	-	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	+
Idle States	+	no data
Thermal Monitoring	+	-
PAE	46 Bit	no data
Deep Learning Boost	-	+

Security technologies

Xeon E7-8855 v4 and Xeon Platinum 8581V 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 Platinum 8581V 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 Platinum 8581V. 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 @ 4800 MT/s (1 DPC)
Maximum memory size	3 TB	4 TB
Max memory channels	4	8
Maximum memory bandwidth	102 GB/s	no data
ECC memory support	+	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

N/A

Peripherals

Specifications and connection of peripherals supported by Xeon E7-8855 v4 and Xeon Platinum 8581V.

PCIe version	3.0	5.0
PCI Express lanes	32	80

Pros & cons summary

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Recency	1 April 2016	14 December 2023
Physical cores	14	60
Threads	28	120
Power consumption (TDP)	140 Watt	270 Watt

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