Xeon E-2456 vs Ultra 7 155H

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Aggregate performance score

Core Ultra 7 155H
2023
16 cores / 22 threads, 28 Watt
16.30
+5.1%

Core Ultra 7 155H outperforms Xeon E-2456 by a small 5% based on our aggregate benchmark results.

Primary details

Comparing Core Ultra 7 155H and Xeon E-2456 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking426465
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data92.68
Market segmentLaptopServer
SeriesIntel Meteor Lake-Hno data
Power efficiency53.0817.68
Architecture codenameMeteor Lake-H (2023)Raptor Lake-S (2023−2024)
Release date14 December 2023 (less than a year ago)14 December 2023 (less than a year ago)
Launch price (MSRP)$503$375

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core Ultra 7 155H and Xeon E-2456 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)6 (Hexa-Core)
Threads2212
Base clock speed3.8 GHz3.3 GHz
Boost clock speed4.8 GHz5.1 GHz
Bus rateno data16 GT/s
L1 cache112 KB (per core)80 KB (per core)
L2 cache2 MB (per core)1.25 MB (per core)
L3 cache24 MB (shared)18 MB (shared)
Chip lithographyIntel 4 nmIntel 7 nm
Die sizeno data163 mm2
Maximum core temperature110 °C100 °C
64 bit support++

Compatibility

Information on Core Ultra 7 155H and Xeon E-2456 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
SocketFCBGA2049FCLGA1700
Power consumption (TDP)28 Watt80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core Ultra 7 155H and Xeon E-2456. You'll probably need this information if you require some particular technology.

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

Security technologies

Core Ultra 7 155H and Xeon E-2456 technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Key++
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Core Ultra 7 155H and Xeon E-2456 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 E-2456. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5DDR5-4800
Maximum memory size96 GB128 GB
Max memory channels22
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

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

Graphics interfaces

Available interfaces and connections of Core Ultra 7 155H and Xeon E-2456 integrated GPUs.

Number of displays supported4no data

Graphics image quality

Maximum display resolutions supported by Core Ultra 7 155H and Xeon E-2456 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 E-2456 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 E-2456.

PCIe version5.05
PCI Express lanes816
PCI support5.0 and 4.0no data

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Ultra 7 155H 16.30
+5.1%
Xeon E-2456 15.51

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Ultra 7 155H 24950
+5.1%
Xeon E-2456 23743

Gaming performance

Pros & cons summary


Performance score 16.30 15.51
Physical cores 16 6
Threads 22 12
Power consumption (TDP) 28 Watt 80 Watt

Ultra 7 155H has a 5.1% higher aggregate performance score, 166.7% more physical cores and 83.3% more threads, and 185.7% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Core Ultra 7 155H and Xeon E-2456.

Be aware that Core Ultra 7 155H is a notebook processor while Xeon E-2456 is a server/workstation one.


Should you still have questions on choice between Core Ultra 7 155H and Xeon E-2456, ask them in Comments section, and we shall answer.

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Intel Core Ultra 7 155H
Core Ultra 7 155H
Intel Xeon E-2456
Xeon E-2456

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Community ratings

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Questions & comments

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