Ryzen 7 9700X vs i5-8400B

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Primary details

Comparing Core i5-8400B and Ryzen 7 9700X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated222
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data53.31
Market segmentLaptopDesktop processor
SeriesIntel Core i5no data
Power efficiencyno data33.97
Architecture codenameCoffee Lake (2017−2019)Granite Ridge (2024)
Release date2 April 2018 (6 years ago)8 August 2024 (less than a year ago)
Launch price (MSRP)$182$359

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i5-8400B and Ryzen 7 9700X 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)8 (Octa-Core)
Threads616
Base clock speed2.8 GHz3.8 GHz
Boost clock speed4 GHz5.5 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/sno data
Multiplier28no data
L1 cache384 KB80 KB (per core)
L2 cache1.5 MB1 MB (per core)
L3 cache9 MB32 MB (shared)
Chip lithography14 nm4 nm
Die size126 mm270.6 mm2
Maximum core temperature100 °C95 °C
Number of transistorsno data8,315 million
64 bit support++
Windows 11 compatibility+no data
Unlocked multiplier-+

Compatibility

Information on Core i5-8400B and Ryzen 7 9700X 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
SocketFCBGA1440AM5
Power consumption (TDP)65 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-8400B and Ryzen 7 9700X. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2SMT, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A
AES-NI++
AVX++
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology-no data
Idle States+no data
Thermal Monitoring+-
Precision Boost 2no data+

Security technologies

Core i5-8400B and Ryzen 7 9700X technologies aimed at improving security, for example, by protecting against hacks.

TXT-no data
EDB+no data
Secure Key+no data
MPX+-
Identity Protection+-
SGXYes with Intel® MEno data
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-8400B and Ryzen 7 9700X are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-8400B and Ryzen 7 9700X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2666DDR5
Maximum memory size64 GBno data
Max memory channels2no data
Maximum memory bandwidth42.671 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel UHD Graphics 630AMD Radeon Graphics
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 Ryzen 7 9700X integrated GPUs.

Number of displays supported3no data

Graphics image quality

Maximum display resolutions supported by Core i5-8400B and Ryzen 7 9700X 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 Ryzen 7 9700X integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i5-8400B and Ryzen 7 9700X.

PCIe version3.05.0
PCI Express lanes1624

Pros & cons summary


Integrated graphics card 3.09 1.98
Recency 2 April 2018 8 August 2024
Physical cores 6 8
Threads 6 16
Chip lithography 14 nm 4 nm

i5-8400B has 56.1% faster integrated GPU.

Ryzen 7 9700X, on the other hand, has an age advantage of 6 years, 33.3% more physical cores and 166.7% more threads, and a 250% more advanced lithography process.

We couldn't decide between Core i5-8400B and Ryzen 7 9700X. We've got no test results to judge.

Be aware that Core i5-8400B is a notebook processor while Ryzen 7 9700X is a desktop one.


Should you still have questions on choice between Core i5-8400B and Ryzen 7 9700X, ask them in Comments section, and we shall answer.

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Intel Core i5-8400B
Core i5-8400B
AMD Ryzen 7 9700X
Ryzen 7 9700X

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Community ratings

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