Xeon Platinum 8558 vs Pentium U5400

Primary details

Comparing Pentium U5400 and Xeon Platinum 8558 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	Laptop	Server
Series	Intel Pentium	no data
Architecture codename	Arrandale (2010−2011)	Emerald Rapids (2023)
Release date	25 May 2010 (14 years ago)	14 December 2023 (less than a year ago)
Launch price (MSRP)	no data	$4,650

Detailed specifications

Pentium U5400 and Xeon Platinum 8558 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	2 (Dual-core)	48 (Octatetraconta-Core)
Threads	2	96
Base clock speed	1.2 GHz	2.1 GHz
Boost clock speed	0.1 GHz	4 GHz
Bus type	DMI 1.0	no data
Bus rate	1 × 2.5 GT/s	no data
Multiplier	9	no data
L1 cache	128 KB	80 KB (per core)
L2 cache	512 KB	2 MB (per core)
L3 cache	3 MB (shared)	260 MB (shared)
Chip lithography	32 nm	Intel 7 nm
Die size	81+114 mm2	2x 763 mm2
Maximum core temperature	105 °C	no data
Maximum case temperature (TCase)	no data	78 °C
Number of transistors	382 Million	no data
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Pentium U5400 and Xeon Platinum 8558 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)	2
Socket	BGA1288	FCLGA4677
Power consumption (TDP)	18 Watt	330 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium U5400 and Xeon Platinum 8558. 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	-	+
FMA	+	-
AVX	-	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	-	2.0
Hyper-Threading Technology	-	+
TSX	-	+
Idle States	+	no data
Thermal Monitoring	+	-
Flex Memory Access	+	no data
PAE	36 Bit	no data
FDI	+	no data
Fast Memory Access	+	no data
Deep Learning Boost	-	+

Security technologies

Pentium U5400 and Xeon Platinum 8558 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium U5400 and Xeon Platinum 8558 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium U5400 and Xeon Platinum 8558. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR5 @ 5200 MT/s (1 DPC)
Maximum memory size	8 GB	4 TB
Max memory channels	2	8
Maximum memory bandwidth	12.799 GB/s	no data
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for Previous Generation Intel® Processors	N/A
Clear Video	+	no data
Graphics max frequency	500 MHz	no data

Graphics interfaces

Available interfaces and connections of Pentium U5400 and Xeon Platinum 8558 integrated GPUs.

Number of displays supported

2

no data

Peripherals

Specifications and connection of peripherals supported by Pentium U5400 and Xeon Platinum 8558.

PCIe version	2.0	5.0
PCI Express lanes	16	80

Pros & cons summary

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Recency	25 May 2010	14 December 2023
Physical cores	2	48
Threads	2	96
Power consumption (TDP)	18 Watt	330 Watt

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