Xeon D-1623N vs Ultra 7 155H

Primary details

Comparing Core Ultra 7 155H and Xeon D-1623N processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking425not rated
Place by popularitynot in top-100not in top-100
Market segmentLaptopServer
SeriesIntel Meteor Lake-HIntel Xeon D
Power efficiency53.37no data
Architecture codenameMeteor Lake-H (2023)Broadwell (2015−2019)
Release date14 December 2023 (less than a year ago)2 April 2019 (5 years ago)
Launch price (MSRP)$503$256

Detailed specifications

Core Ultra 7 155H and Xeon D-1623N 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 cores16 (Hexadeca-Core)4 (Quad-Core)
Threads228
Base clock speed3.8 GHz2.4 GHz
Boost clock speed4.8 GHz3.2 GHz
Bus typeno dataDMI 2.0
Multiplierno data24
L1 cache112 KB (per core)256 KB
L2 cache2 MB (per core)1 MB
L3 cache24 MB (shared)6 MB
Chip lithographyIntel 4 nm14 nm
Die sizeno data246.24 mm2
Maximum core temperature110 °C105 °C
Number of transistorsno data3200 Million
64 bit support++
Windows 11 compatibilityno data-

Compatibility

Information on Core Ultra 7 155H and Xeon D-1623N 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 configuration11 (Uniprocessor)
SocketFCBGA2049FCBGA1667
Power consumption (TDP)28 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core Ultra 7 155H and Xeon D-1623N. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2Intel® AVX2
AES-NI++
AVX++
vPro+no data
Enhanced SpeedStep (EIST)++
QuickAssistno data+
Speed Shift+no data
Turbo Boost Technologyno data2.0
Hyper-Threading Technology++
TSX++
Idle Statesno data+
Thermal Monitoring++
Flex Memory Access+no data
GPIOno data+
Turbo Boost Max 3.0+no data
AMTno dataSPS 3.0
Quiet Systemno data-
Deep Learning Boost+-
Supported AI Software FrameworksOpenVINO™, WindowsML, ONNX RT-

Security technologies

Core Ultra 7 155H and Xeon D-1623N technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Key++
SGXno data-
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Core Ultra 7 155H and Xeon D-1623N are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core Ultra 7 155H and Xeon D-1623N. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5DDR4, DDR3
Maximum memory size96 GB128 GB
Max memory channels22
Maximum memory bandwidthno data29.861 GB/s
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel® Arc™ graphicsno data
Quick Sync Video+-
Graphics max frequency2.25 GHzno data

Graphics interfaces

Available interfaces and connections of Core Ultra 7 155H and Xeon D-1623N integrated GPUs.

Number of displays supported4no data

Graphics image quality

Maximum display resolutions supported by Core Ultra 7 155H and Xeon D-1623N integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.44096 x 2304 @ 60Hz (HDMI 2.1 TMDS) 7680 x 4320 @ 60Hz (HDMI2.1 FRL)no data
Max resolution over eDP3840x2400 @ 120Hzno data
Max resolution over DisplayPort7680 x 4320 @ 60Hzno data

Graphics API support

APIs supported by Core Ultra 7 155H and Xeon D-1623N integrated GPUs, sometimes API versions are included.

DirectX12.2no data
OpenGL4.6no data

Peripherals

Specifications and connection of peripherals supported by Core Ultra 7 155H and Xeon D-1623N.

PCIe version5.02.0/3.0
PCI Express lanes832
PCI support5.0 and 4.0no data
USB revisionno data2.0/3.0
Total number of SATA portsno data6
Max number of SATA 6 Gb/s Portsno data6
Number of USB portsno data8
Integrated LANno data4x 10 GBE
UARTno data+

Pros & cons summary


Recency 14 December 2023 2 April 2019
Physical cores 16 4
Threads 22 8
Power consumption (TDP) 28 Watt 35 Watt

Ultra 7 155H has an age advantage of 4 years, 300% more physical cores and 175% more threads, and 25% lower power consumption.

We couldn't decide between Core Ultra 7 155H and Xeon D-1623N. We've got no test results to judge.

Be aware that Core Ultra 7 155H is a notebook processor while Xeon D-1623N is a server/workstation one.


Should you still have questions on choice between Core Ultra 7 155H and Xeon D-1623N, ask them in Comments section, and we shall answer.

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Intel Core Ultra 7 155H
Core Ultra 7 155H
Intel Xeon D-1623N
Xeon D-1623N

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