i5-8400B vs Ultra 5 125H

Primary details

Comparing Core Ultra 5 125H and Core i5-8400B processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking516not rated
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Meteor Lake-HIntel Core i5
Power efficiency47.45no data
Architecture codenameMeteor Lake-H (2023)Coffee Lake (2017−2019)
Release date14 December 2023 (less than a year ago)2 April 2018 (6 years ago)
Launch price (MSRP)$375$182

Detailed specifications

Core Ultra 5 125H and Core i5-8400B 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 cores14 (Tetradeca-Core)6 (Hexa-Core)
Threads186
Base clock speed3.6 GHz2.8 GHz
Boost clock speed4.5 GHz4 GHz
Bus typeno dataDMI 3.0
Bus rateno data4 × 8 GT/s
Multiplierno data28
L1 cache112 KB (per core)384 KB
L2 cache2 MB (per core)1.5 MB
L3 cache18 MB (shared)9 MB
Chip lithographyIntel 4 nm14 nm
Die sizeno data126 mm2
Maximum core temperature110 °C100 °C
64 bit support++
Windows 11 compatibilityno data+

Compatibility

Information on Core Ultra 5 125H and Core i5-8400B 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)
SocketFCBGA2049FCBGA1440
Power consumption (TDP)28 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core Ultra 5 125H and Core i5-8400B. 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 data2.0
Hyper-Threading Technology+-
TSX+-
Idle Statesno data+
Thermal Monitoring++
Flex Memory Access+no data
Turbo Boost Max 3.0-no data
Deep Learning Boost+-
Supported AI Software FrameworksOpenVINO™, WindowsML, ONNX RT-

Security technologies

Core Ultra 5 125H and Core i5-8400B technologies aimed at improving security, for example, by protecting against hacks.

TXT+-
EDB++
Secure Key++
MPX-+
Identity Protection-+
SGXno dataYes with Intel® ME
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Core Ultra 5 125H and Core i5-8400B are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core Ultra 5 125H and Core i5-8400B. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5DDR4-2666
Maximum memory size96 GB64 GB
Max memory channels22
Maximum memory bandwidthno data42.671 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel® Arc™ graphicsIntel UHD Graphics 630
Max video memoryno data64 GB
Quick Sync Video++
Clear Videono data+
Clear Video HDno data+
Graphics max frequency2.2 GHz1.05 GHz
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Core Ultra 5 125H and Core i5-8400B integrated GPUs.

Number of displays supported43

Graphics image quality

Maximum display resolutions supported by Core Ultra 5 125H and Core i5-8400B integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.44096 x 2304 @ 60Hz (HDMI 2.1 TMDS) 7680 x 4320 @ 60Hz (HDMI2.1 FRL)4096x2304@30Hz
Max resolution over eDP3840x2400 @ 120Hz4096x2304@60Hz
Max resolution over DisplayPort7680 x 4320 @ 60Hz4096x2304@60Hz

Graphics API support

APIs supported by Core Ultra 5 125H and Core i5-8400B integrated GPUs, sometimes API versions are included.

DirectX12.212
OpenGL4.64.5

Peripherals

Specifications and connection of peripherals supported by Core Ultra 5 125H and Core i5-8400B.

PCIe version5.03.0
PCI Express lanes2816
PCI support5.0 and 4.0no data

Pros & cons summary


Recency 14 December 2023 2 April 2018
Physical cores 14 6
Threads 18 6
Power consumption (TDP) 28 Watt 65 Watt

Ultra 5 125H has an age advantage of 5 years, 133.3% more physical cores and 200% more threads, and 132.1% lower power consumption.

We couldn't decide between Core Ultra 5 125H and Core i5-8400B. We've got no test results to judge.


Should you still have questions on choice between Core Ultra 5 125H and Core i5-8400B, ask them in Comments section, and we shall answer.

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Intel Core Ultra 5 125H
Core Ultra 5 125H
Intel Core i5-8400B
Core i5-8400B

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Community ratings

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