Xeon Platinum 8581V vs E3-1558L v5

Primary details

Comparing Xeon E3-1558L v5 and Xeon Platinum 8581V 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	Laptop	Server
Series	Intel Xeon E3	no data
Architecture codename	Skylake (2015−2016)	Emerald Rapids
Release date	31 May 2016 (8 years ago)	1 October 2023 (less than a year ago)
Launch price (MSRP)	$396	no data
Current price	$282 (0.7x MSRP)	no data

Detailed specifications

Xeon E3-1558L v5 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	4 (Quad-Core)	60 (Hexaconta-Core)
Threads	8	120
Base clock speed	no data	2 GHz
Boost clock speed	1.9 GHz	3.9 GHz
Bus support	4 × 8 GT/s	no data
L1 cache	256 KB	80 KB (per core)
L2 cache	1 MB	2 MB (per core)
L3 cache	8 MB	300 MB (shared)
Chip lithography	14 nm	Intel 7 nm
Die size	no data	2x 763 mm2
Maximum core temperature	no data	74 °C
Maximum case temperature (TCase)	no data	74 °C
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	No	No

Compatibility

Information on Xeon E3-1558L v5 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	1 (Uniprocessor)	1
Socket	no data	FCLGA4677
Power consumption (TDP)	45 Watt	270 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1558L v5 and Xeon Platinum 8581V. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® AMX, 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	+	+
Status	no data	Launched

Security technologies

Xeon E3-1558L v5 and Xeon Platinum 8581V technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E3-1558L v5 and Xeon Platinum 8581V are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E3-1558L v5 and Xeon Platinum 8581V. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	LPDDR3-1866	DDR5 @ 4800 MT/s (1 DPC)
Maximum memory size	64 GB	4 TB
Max memory channels	2	8
Maximum memory bandwidth	34.134 GB/s	no data
ECC memory support	+	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

Intel Iris Pro Graphics P555

N/A

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1558L v5 and Xeon Platinum 8581V.

PCIe version	3.0	5.0
PCI Express lanes	16	80

Pros & cons summary

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Recency	31 May 2016	1 October 2023
Physical cores	4	60
Threads	8	120
Power consumption (TDP)	45 Watt	270 Watt

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Should you still have questions on choice between Xeon E3-1558L v5 and Xeon Platinum 8581V, ask them in Comments section, and we shall answer.

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