Intel Core i5-8400B vs Intel Xeon Platinum 8354H

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CPU comparison with benchmarks


Intel Core i5-8400B CPU1 vs CPU2 Intel Xeon Platinum 8354H
Intel Core i5-8400B Intel Xeon Platinum 8354H

CPU comparison

In this CPU comparison, we compare the Intel Core i5-8400B and the Intel Xeon Platinum 8354H and use benchmarks to check which processor is faster.

We compare the Intel Core i5-8400B 6 core processor released in Q2/2018 with the Intel Xeon Platinum 8354H which has 18 CPU cores and was introduced in Q2/2020.
Intel Core i5 (331) Family Intel Xeon Platinum (89)
Intel Core i 8000 (20) CPU group Intel Xeon Platinum 8300 (CL) (10)
8 Generation 3
Coffee Lake S Architecture Cooper Lake
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Core i5-8400B is a 6 core processor with a clock frequency of 2.80 GHz (3.80 GHz). The processor can compute 6 threads at the same time. The Intel Xeon Platinum 8354H clocks with 3.10 GHz (4.30 GHz), has 18 CPU cores and can calculate 36 threads in parallel.

Intel Core i5-8400B Characteristic Intel Xeon Platinum 8354H
6 Cores 18
6 Threads 36
normal Core architecture normal
No Hyperthreading Yes
No Overclocking ? No
2.80 GHz Frequency 3.10 GHz
3.80 GHz Turbo Frequency (1 Core) 4.30 GHz
4.00 GHz Turbo Frequency (All Cores) 3.30 GHz

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

Intel Core i5-8400B Characteristic Intel Xeon Platinum 8354H
-- AI hardware --
-- AI specifications --

Internal Graphics

Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback.

Intel UHD Graphics 630 GPU no iGPU
0.35 GHz GPU frequency --
1.15 GHz GPU (Turbo) --
9.5 GPU Generation --
14 nm Technology
3 Max. displays
24 Compute units --
192 Shader --
No Hardware Raytracing No
No Frame Generation No
64 GB Max. GPU Memory --
12 DirectX Version --

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.

Intel UHD Graphics 630 GPU no iGPU
Decode / Encode Codec h265 / HEVC (8 bit) No
Decode / Encode Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 No
Decode / Encode Codec VP9 No
Decode / Encode Codec VP8 No
No Codec AV1 No
Decode / Encode Codec AVC No
Decode Codec VC-1 No
Decode / Encode Codec JPEG No

Memory & PCIe

Up to 64 GB of memory in a maximum of 2 memory channels is supported by the Intel Core i5-8400B, while the Intel Xeon Platinum 8354H supports a maximum of 1146 GB of memory with a maximum memory bandwidth of 153.6 GB/s enabled.

Intel Core i5-8400B Characteristic Intel Xeon Platinum 8354H
DDR4-2666 Memory DDR4-3200
64 GB Max. Memory 1146 GB
2 (Dual Channel) Memory channels 6 (Hexa Channel)
42.7 GB/s Max. Bandwidth 153.6 GB/s
No ECC Yes
-- L2 Cache --
9.00 MB L3 Cache 24.75 MB
3.0 PCIe version 3.0
16 PCIe lanes 48
15.8 GB/s PCIe Bandwidth 47.3 GB/s

Thermal Management

The Intel Core i5-8400B has a TDP of 65 W. The TDP of the Intel Xeon Platinum 8354H is 205 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Core i5-8400B Characteristic Intel Xeon Platinum 8354H
65 W TDP (PL1 / PBP) 205 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
100 °C Tjunction max. --

Technical details

The Intel Core i5-8400B has 9.00 MB cache and is manufactured in 14 nm. The cache of Intel Xeon Platinum 8354H is at 24.75 MB. The processor is manufactured in 14 nm.

Intel Core i5-8400B Characteristic Intel Xeon Platinum 8354H
14 nm Technology 14 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4.1, SSE4.2, AVX2, AVX-512
BGA 1440 Socket LGA 4189
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Windows 11, Linux Operating systems Windows 10, Linux
Q2/2018 Release date Q2/2020
260 $ Release price --
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iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
Intel Core i5-8400B Intel Core i5-8400B
Intel UHD Graphics 630 @ 1.15 GHz
442 (100%)
Intel Xeon Platinum 8354H Intel Xeon Platinum 8354H
@ 0.00 GHz
0 (0%)

Blender 3.1 Benchmark

In the Blender Benchmark 3.1, the scenes "monster", "junkshop" and "classroom" are rendered and the time required by the system is measured. In our benchmark we test the CPU and not the graphics card. Blender 3.1 was presented as a standalone version in March 2022.
Intel Core i5-8400B Intel Core i5-8400B
6C 6T @ 4.00 GHz
76 (100%)
Intel Xeon Platinum 8354H Intel Xeon Platinum 8354H
18C 36T @ 3.30 GHz
0 (0%)

Devices using this processor

Intel Core i5-8400B Intel Xeon Platinum 8354H
Unknown Unknown

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