Xeon Platinum 8558U vs M-5Y51

Primary details

Comparing Core M-5Y51 and Xeon Platinum 8558U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2255	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Server
Series	Intel Core M	no data
Architecture codename	Broadwell-Y (2014)	Emerald Rapids (2023)
Release date	27 October 2014 (9 years ago)	14 December 2023 (less than a year ago)
Launch price (MSRP)	no data	$3,720

Detailed specifications

Core M-5Y51 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	2 (Dual-core)	48 (Octatetraconta-Core)
Threads	4	96
Base clock speed	1.1 GHz	2 GHz
Boost clock speed	2.6 GHz	4 GHz
L1 cache	64K (per core)	80 KB (per core)
L2 cache	256K (per core)	2 MB (per core)
L3 cache	4 MB (shared)	260 MB (shared)
Chip lithography	14 nm	Intel 7 nm
Die size	50 mm2	2x 763 mm2
Maximum core temperature	95 °C	no data
Maximum case temperature (TCase)	no data	78 °C
Number of transistors	1300 Million	no data
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Core M-5Y51 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	FCBGA1234	FCLGA4677
Power consumption (TDP)	4.5 Watt	300 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core M-5Y51 and Xeon Platinum 8558U. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, 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	+	-
Flex Memory Access	+	no data
Smart Response	+	no data
FDI	+	no data
Fast Memory Access	+	no data
Status	Discontinued	Launched
Deep Learning Boost	-	+

Security technologies

Core M-5Y51 and Xeon Platinum 8558U technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core M-5Y51 and Xeon Platinum 8558U are enumerated here.

AMD-V	+	-
VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core M-5Y51 and Xeon Platinum 8558U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR5 @ 4800 MT/s (1 DPC)
Maximum memory size	16 GB	4 TB
Max memory channels	2	8
Maximum memory bandwidth	25.6 GB/s	no data
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics 5300	N/A
Max video memory	16 GB	no data
Quick Sync Video	+	-
Clear Video HD	+	no data
Graphics max frequency	900 MHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core M-5Y51 and Xeon Platinum 8558U integrated GPUs.

Number of displays supported	3	no data
eDP	+	no data
DisplayPort	+	-
HDMI	+	-

Graphics image quality

Maximum display resolutions supported by Core M-5Y51 and Xeon Platinum 8558U integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	2560x1600@60Hz	no data
Max resolution over DisplayPort	2560x1600@60Hz	no data

Graphics API support

APIs supported by Core M-5Y51 and Xeon Platinum 8558U integrated GPUs, sometimes API versions are included.

DirectX	11.2/12	no data
OpenGL	4.3	no data

Peripherals

Specifications and connection of peripherals supported by Core M-5Y51 and Xeon Platinum 8558U.

PCIe version	2.0	5.0
PCI Express lanes	12	80

Pros & cons summary

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Recency	27 October 2014	14 December 2023
Physical cores	2	48
Threads	4	96
Power consumption (TDP)	4 Watt	300 Watt

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Should you still have questions on choice between Core M-5Y51 and Xeon Platinum 8558U, ask them in Comments section, and we shall answer.

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