i5-10400F vs i5-8400B

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Primary details

Comparing Core i5-8400B and Core i5-10400F processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated926
Place by popularitynot in top-1009
Cost-effectiveness evaluationno data23.93
Market segmentLaptopDesktop processor
SeriesIntel Core i5no data
Power efficiencyno data11.94
Architecture codenameCoffee Lake (2017−2019)Comet Lake (2020)
Release date2 April 2018 (6 years ago)30 April 2020 (4 years ago)
Launch price (MSRP)$182$155

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i5-8400B and Core i5-10400F 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 cores6 (Hexa-Core)6 (Hexa-Core)
Threads612
Base clock speed2.8 GHz2.9 GHz
Boost clock speed4 GHz4.3 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/s8 GT/s
Multiplier28no data
L1 cache384 KB64K (per core)
L2 cache1.5 MB256K (per core)
L3 cache9 MB12 MB (shared)
Chip lithography14 nm14 nm
Die size126 mm2no data
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)no data72 °C
64 bit support++
Windows 11 compatibility++

Compatibility

Information on Core i5-8400B and Core i5-10400F 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 configuration1 (Uniprocessor)1
SocketFCBGA1440FCLGA1200
Power consumption (TDP)65 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-8400B and Core i5-10400F. 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++
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.02.0
Hyper-Threading Technology-+
Idle States++
Thermal Monitoring++
Turbo Boost Max 3.0no data-

Security technologies

Core i5-8400B and Core i5-10400F technologies aimed at improving security, for example, by protecting against hacks.

TXT-+
EDB++
Secure Key++
MPX+-
Identity Protection++
SGXYes with Intel® MEYes with Intel® ME
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-8400B and Core i5-10400F are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-8400B and Core i5-10400F. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2666DDR4
Maximum memory size64 GB128 GB
Max memory channels22
Maximum memory bandwidth42.671 GB/s41.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel UHD Graphics 630no data
Max video memory64 GBno data
Quick Sync Video+-
Clear Video+no data
Clear Video HD+no data
Graphics max frequency1.05 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i5-8400B and Core i5-10400F integrated GPUs.

Number of displays supported3no data

Graphics image quality

Maximum display resolutions supported by Core i5-8400B and Core i5-10400F integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096x2304@30Hzno data
Max resolution over eDP4096x2304@60Hzno data
Max resolution over DisplayPort4096x2304@60Hzno data

Graphics API support

APIs supported by Core i5-8400B and Core i5-10400F integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i5-8400B and Core i5-10400F.

PCIe version3.03.0
PCI Express lanes1616

Pros & cons summary


Recency 2 April 2018 30 April 2020
Threads 6 12

i5-10400F has an age advantage of 2 years, and 100% more threads.

We couldn't decide between Core i5-8400B and Core i5-10400F. We've got no test results to judge.

Be aware that Core i5-8400B is a notebook processor while Core i5-10400F is a desktop one.


Should you still have questions on choice between Core i5-8400B and Core i5-10400F, ask them in Comments section, and we shall answer.

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Intel Core i5-8400B
Core i5-8400B
Intel Core i5-10400F
Core i5-10400F

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Community ratings

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Questions & comments

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