Xeon Platinum 8558U vs Atom Z2420

Primary details

Comparing Atom Z2420 and Xeon Platinum 8558U 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
Architecture codename	Saltwell (2013)	Emerald Rapids (2023)
Release date	1 January 2013 (11 years ago)	14 December 2023 (1 year ago)
Launch price (MSRP)	no data	$3,720

Detailed specifications

Atom Z2420 and Xeon Platinum 8558U 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	1 (Single-Core)	48 (Octatetraconta-Core)
Threads	2	96
Base clock speed	no data	2 GHz
Boost clock speed	1.2 GHz	4 GHz
L1 cache	64K (per core)	80 KB (per core)
L2 cache	512K (per core)	2 MB (per core)
L3 cache	0 KB	260 MB (shared)
Chip lithography	32 nm	Intel 7 nm
Die size	65 mm2	2x 763 mm2
Maximum core temperature	90 °C	no data
Maximum case temperature (TCase)	no data	78 °C
Number of transistors	140 million	no data
64 bit support	-	+
Windows 11 compatibility	-	no data

Compatibility

Information on Atom Z2420 and Xeon Platinum 8558U 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	1
Socket	FC-MB4617	FCLGA4677
Power consumption (TDP)	3 Watt	300 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom Z2420 and Xeon Platinum 8558U. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE, Intel® SSE2, Intel® SSE3	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	no data	2.0
Hyper-Threading Technology	+	+
TSX	-	+
Idle States	+	no data
Thermal Monitoring	+	-
PAE	32 Bit	no data
GPIO	152	no data
Deep Learning Boost	-	+

Security technologies

Atom Z2420 and Xeon Platinum 8558U technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Atom Z2420 and Xeon Platinum 8558U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom Z2420 and Xeon Platinum 8558U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR2	DDR5 @ 4800 MT/s (1 DPC)
Maximum memory size	1 GB	4 TB
Max memory channels	2	8
Maximum memory bandwidth	6.4 GB/s	no data
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

PowerVR SGX540 (400 MHz)

N/A

Graphics interfaces

Available interfaces and connections of Atom Z2420 and Xeon Platinum 8558U integrated GPUs.

Number of displays supported

2

no data

Peripherals

Specifications and connection of peripherals supported by Atom Z2420 and Xeon Platinum 8558U.

PCIe version	no data	5.0
PCI Express lanes	no data	80
USB revision	2.0 OTG	no data
Number of USB ports	1	no data
UART	3	no data

Pros & cons summary

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Recency	1 January 2013	14 December 2023
Physical cores	1	48
Threads	2	96
Power consumption (TDP)	3 Watt	300 Watt

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