Xeon Silver 4509Y vs Ultra 7 155H

Primary details

Comparing Core Ultra 7 155H and Xeon Silver 4509Y processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	433	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Server
Series	Intel Meteor Lake-H	no data
Power efficiency	53.47	no data
Architecture codename	Meteor Lake-H (2023)	Sapphire Rapids (2023−2024)
Release date	14 December 2023 (1 year ago)	14 December 2023 (1 year ago)
Launch price (MSRP)	$503	$563

Detailed specifications

Core Ultra 7 155H and Xeon Silver 4509Y 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	16 (Hexadeca-Core)	8 (Octa-Core)
Threads	22	16
Base clock speed	3.8 GHz	2.6 GHz
Boost clock speed	4.8 GHz	4.1 GHz
L1 cache	112 KB (per core)	80 KB (per core)
L2 cache	2 MB (per core)	2 MB (per core)
L3 cache	24 MB (shared)	22.5 MB (shared)
Chip lithography	7 nm	Intel 7 nm
Maximum core temperature	110 °C	no data
Maximum case temperature (TCase)	no data	84 °C
64 bit support	+	+

Compatibility

Information on Core Ultra 7 155H and Xeon Silver 4509Y 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	Intel BGA 2049	FCLGA4677
Power consumption (TDP)	28 Watt	125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core Ultra 7 155H and Xeon Silver 4509Y. 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	+	+
Deep Learning Boost	-	+

Security technologies

Core Ultra 7 155H and Xeon Silver 4509Y 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 Core Ultra 7 155H and Xeon Silver 4509Y are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core Ultra 7 155H and Xeon Silver 4509Y. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR5	DDR5 @ 4400 MT/s (1 DPC &2DPC)
Maximum memory size	no data	4 TB
Max memory channels	no data	8
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

Intel Arc 8-Cores iGPU ( - 2250 MHz)

N/A

Peripherals

Specifications and connection of peripherals supported by Core Ultra 7 155H and Xeon Silver 4509Y.

PCIe version	5.0	5
PCI Express lanes	8	80

Pros & cons summary

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Physical cores	16	8
Threads	22	16
Power consumption (TDP)	28 Watt	125 Watt

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Should you still have questions on choice between Core Ultra 7 155H and Xeon Silver 4509Y, ask them in Comments section, and we shall answer.

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