Intel Core i5-8400B vs Intel Xeon Gold 6240L

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CPU comparison with benchmarks


Intel Core i5-8400B CPU1 vs CPU2 Intel Xeon Gold 6240L
Intel Core i5-8400B Intel Xeon Gold 6240L

CPU comparison

In this CPU comparison, we compare the Intel Core i5-8400B and the Intel Xeon Gold 6240L 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 Gold 6240L which has 18 CPU cores and was introduced in Q2/2019.
Intel Core i5 (331) Family Intel Xeon Gold (163)
Intel Core i 8000 (20) CPU group Intel Xeon Gold 5200/6200 (55)
8 Generation 2
Coffee Lake S Architecture Cascade 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 Gold 6240L clocks with 2.60 GHz (3.90 GHz), has 18 CPU cores and can calculate 36 threads in parallel.

Intel Core i5-8400B Characteristic Intel Xeon Gold 6240L
6 Cores 18
6 Threads 36
normal Core architecture normal
No Hyperthreading Yes
No Overclocking ? No
2.80 GHz Frequency 2.60 GHz
3.80 GHz Turbo Frequency (1 Core) 3.90 GHz
4.00 GHz Turbo Frequency (All Cores) 3.20 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 Gold 6240L
-- 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 Gold 6240L supports a maximum of 4608 GB of memory with a maximum memory bandwidth of 140.7 GB/s enabled.

Intel Core i5-8400B Characteristic Intel Xeon Gold 6240L
DDR4-2666 Memory DDR4-2933
64 GB Max. Memory 4608 GB
2 (Dual Channel) Memory channels 6 (Hexa Channel)
42.7 GB/s Max. Bandwidth 140.7 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 Gold 6240L is 150 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Core i5-8400B Characteristic Intel Xeon Gold 6240L
65 W TDP (PL1 / PBP) 150 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 Gold 6240L is at 24.75 MB. The processor is manufactured in 14 nm.

Intel Core i5-8400B Characteristic Intel Xeon Gold 6240L
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 3647
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 Q2/2019
260 $ Release price --
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Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i5-8400B Intel Core i5-8400B
6C 6T @ 3.80 GHz
0 (0%)
Intel Xeon Gold 6240L Intel Xeon Gold 6240L
18C 36T @ 3.90 GHz
1102 (100%)

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 Gold 6240L Intel Xeon Gold 6240L
@ 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 Gold 6240L Intel Xeon Gold 6240L
18C 36T @ 3.20 GHz
0 (0%)

Devices using this processor

Intel Core i5-8400B Intel Xeon Gold 6240L
Unknown Unknown

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