Xeon Platinum 8558P vs D-2161I

Primary details

Comparing Xeon D-2161I and Xeon Platinum 8558P 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
Series	Intel Xeon D	no data
Architecture codename	Skylake (server) (2017−2019)	Emerald Rapids
Release date	7 February 2018 (6 years ago)	1 October 2023 (less than a year ago)
Launch price (MSRP)	$962	no data

Detailed specifications

Xeon D-2161I and Xeon Platinum 8558P 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	12 (Dodeca-Core)	48 (Octatetraconta-Core)
Threads	24	96
Base clock speed	2.2 GHz	2.7 GHz
Boost clock speed	3 GHz	4 GHz
Bus support	4 × 8 GT/s	no data
L1 cache	768 KB	80 KB (per core)
L2 cache	12 MB	2 MB (per core)
L3 cache	16.5 MB	260 MB (shared)
Chip lithography	14 nm	Intel 7 nm
Die size	no data	2x 763 mm2
Maximum core temperature	no data	81 °C
Maximum case temperature (TCase)	no data	81 °C
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	No	No

Compatibility

Information on Xeon D-2161I and Xeon Platinum 8558P 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	2
Socket	FCBGA2518	FCLGA4677
Power consumption (TDP)	90 Watt	350 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon D-2161I and Xeon Platinum 8558P. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX2, Intel® AVX-512	Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	+	+
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
QuickAssist	-	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
Turbo Boost Max 3.0	-	no data
Status	Launched	Launched

Security technologies

Xeon D-2161I and Xeon Platinum 8558P technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon D-2161I and Xeon Platinum 8558P are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon D-2161I and Xeon Platinum 8558P. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR5 @ 5600 MT/s (1 DPC)
Maximum memory size	512 GB	4 TB
Max memory channels	4	8
Maximum memory bandwidth	85.33 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 D-2161I and Xeon Platinum 8558P.

PCIe version	3.0	5.0
PCI Express lanes	32	80

Pros & cons summary

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Recency	7 February 2018	1 October 2023
Physical cores	12	48
Threads	24	96
Power consumption (TDP)	90 Watt	350 Watt

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Should you still have questions on choice between Xeon D-2161I and Xeon Platinum 8558P, ask them in Comments section, and we shall answer.

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