Intel Core i5-8400B vs Intel Core i7-11375H

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CPU comparison with benchmarks


Intel Core i5-8400B CPU1 vs CPU2 Intel Core i7-11375H
Intel Core i5-8400B Intel Core i7-11375H

CPU comparison

In this CPU comparison, we compare the Intel Core i5-8400B and the Intel Core i7-11375H 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 Core i7-11375H which has 4 CPU cores and was introduced in Q1/2021.
Intel Core i5 (331) Family Intel Core i7 (298)
Intel Core i 8000 (20) CPU group Intel Core i 11000H (17)
8 Generation 11
Coffee Lake S Architecture Tiger Lake H
Desktop / Server Segment Mobile
-- 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 Core i7-11375H clocks with 3.30 GHz (5.00 GHz), has 4 CPU cores and can calculate 8 threads in parallel.

Intel Core i5-8400B Characteristic Intel Core i7-11375H
6 Cores 4
6 Threads 8
normal Core architecture normal
No Hyperthreading Yes
No Overclocking ? No
2.80 GHz Frequency 3.30 GHz
3.80 GHz Turbo Frequency (1 Core) 5.00 GHz
4.00 GHz Turbo Frequency (All Cores) 4.60 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 Core i7-11375H
-- 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 Intel Iris Xe Graphics 96 (Tiger Lake)
0.35 GHz GPU frequency 0.40 GHz
1.15 GHz GPU (Turbo) 1.35 GHz
9.5 GPU Generation 12
14 nm Technology 10 nm
3 Max. displays 4
24 Compute units 96
192 Shader 768
No Hardware Raytracing No
No Frame Generation No
64 GB Max. GPU Memory 32 GB
12 DirectX Version 12

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 Intel Iris Xe Graphics 96 (Tiger Lake)
Decode / Encode Codec h265 / HEVC (8 bit) Decode / Encode
Decode / Encode Codec h265 / HEVC (10 bit) Decode / Encode
Decode / Encode Codec h264 Decode / Encode
Decode / Encode Codec VP9 Decode / Encode
Decode / Encode Codec VP8 Decode
No Codec AV1 Decode
Decode / Encode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

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 Core i7-11375H supports a maximum of 64 GB of memory with a maximum memory bandwidth of 68.2 GB/s enabled.

Intel Core i5-8400B Characteristic Intel Core i7-11375H
DDR4-2666 Memory LPDDR4X-4266, DDR4-3200
64 GB Max. Memory 64 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
42.7 GB/s Max. Bandwidth 68.2 GB/s
No ECC No
-- L2 Cache 5.00 MB
9.00 MB L3 Cache 12.00 MB
3.0 PCIe version 4.0
16 PCIe lanes 4
15.8 GB/s PCIe Bandwidth 7.9 GB/s

Thermal Management

The Intel Core i5-8400B has a TDP of 65 W. The TDP of the Intel Core i7-11375H is 35 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Core i5-8400B Characteristic Intel Core i7-11375H
65 W TDP (PL1 / PBP) 35 W
-- TDP (PL2) --
-- TDP up --
-- TDP down 28 W
100 °C Tjunction max. 100 °C

Technical details

The Intel Core i5-8400B has 9.00 MB cache and is manufactured in 14 nm. The cache of Intel Core i7-11375H is at 17.00 MB. The processor is manufactured in 10 nm.

Intel Core i5-8400B Characteristic Intel Core i7-11375H
14 nm Technology 10 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 BGA 1526
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, Windows 11, Linux
Q2/2018 Release date Q1/2021
260 $ Release price 482 $
show more data show more data


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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 (21%)
Intel Core i7-11375H Intel Core i7-11375H
Intel Iris Xe Graphics 96 (Tiger Lake) @ 1.35 GHz
2070 (100%)

Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. 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 Core i7-11375H Intel Core i7-11375H
4C 8T @ 5.00 GHz
1574 (100%)

Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i5-8400B Intel Core i5-8400B
6C 6T @ 4.00 GHz
0 (0%)
Intel Core i7-11375H Intel Core i7-11375H
4C 8T @ 4.60 GHz
6620 (100%)

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 Core i7-11375H Intel Core i7-11375H
4C 8T @ 5.00 GHz
1592 (100%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i5-8400B Intel Core i5-8400B
6C 6T @ 4.00 GHz
0 (0%)
Intel Core i7-11375H Intel Core i7-11375H
4C 8T @ 4.60 GHz
5690 (100%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
Intel Core i5-8400B Intel Core i5-8400B
6C 6T @ 3.80 GHz
0 (0%)
Intel Core i7-11375H Intel Core i7-11375H
4C 8T @ 5.00 GHz
1948 (100%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
Intel Core i5-8400B Intel Core i5-8400B
6C 6T @ 4.00 GHz
0 (0%)
Intel Core i7-11375H Intel Core i7-11375H
4C 8T @ 4.60 GHz
5610 (100%)

Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. 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 Core i7-11375H Intel Core i7-11375H
4C 8T @ 5.00 GHz
610 (100%)

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i5-8400B Intel Core i5-8400B
6C 6T @ 4.00 GHz
0 (0%)
Intel Core i7-11375H Intel Core i7-11375H
4C 8T @ 4.60 GHz
2564 (100%)

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 Core i7-11375H Intel Core i7-11375H
4C 8T @ 4.60 GHz
0 (0%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
Intel Core i5-8400B Intel Core i5-8400B
6C 6T @ 4.00 GHz
0 (0%)
Intel Core i7-11375H Intel Core i7-11375H
4C 8T @ 4.60 GHz
12277 (100%)

Devices using this processor

Intel Core i5-8400B Intel Core i7-11375H
Unknown Unknown

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