Intel Core i5-8400B vs Intel Pentium M 753

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CPU comparison with benchmarks

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CPU lineage

Intel Core i5-8400B or Intel Core i5-8400B – which processor offers superior performance? In this comparison, we examine disparities and assess which of these two CPUs outperforms the other. We delve into technical specifications and benchmark outcomes.
The Intel Core i5-8400B features 6 processor cores and has the capability to manage 6 threads concurrently.
It was released in Q2/2018 and belongs to the 8 generation of the Intel Core i5 series.
To use the Intel Core i5-8400B, you'll need a motherboard with a BGA 1440 socket.
The Intel Pentium M 753 features 1 processor cores and has the capability to manage 1 threads concurrently.
It was released in 2005 and belongs to the 1 generation of the Intel Pentium series.
To use the Intel Pentium M 753, you'll need a motherboard with a BGA 479 socket.
Intel Core i5-8400B Name Intel Pentium M 753
Intel Core i5 Family Intel Pentium
8 Generation 1
Intel Core i 8000 Group Intel Pentium M
Desktop / Server Segment Mobile
 
 

CPU Cores and Base Frequency

The Intel Core i5-8400B has 6 CPU cores and can calculate 6 threads in parallel.
The clock frequency of the Intel Core i5-8400B is 2.8 GHz
and turbo frequency for one core is 3.8 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
The Intel Pentium M 753 has 1 CPU cores and can calculate 1 threads in parallel.
The clock frequency of the Intel Pentium M 753 is 1.2 GHz
The processor has one core only.
6x Cores 1x
No Overclocking No
normal Core architecture normal
3.8 GHz Turbo Frequency (1 core) None
2.8 GHz Frequency 1.2 GHz
6 Threads 1
6 CPU Cores 1
4.0 GHz Turbo Frequency (all cores) None
No Hyperthreading No
 
 

Internal Graphics

The Intel Core i5-8400B has integrated graphics, called iGPU for short.
Specifically, the Intel Core i5-8400B uses the Intel UHD Graphics 630, which has 192 texture shaders
and 24 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The Intel Pentium M 753 does not have integrated graphics.
14 nm Technology --
12 Direct X --
1.15 GHz GPU (Turbo) --
0.35 GHz GPU frequency --
Q4/2017 Release date --
64.0 GB Max. GPU Memory 0 bytes
24 Execution units --
192 Shaders --
9.5 Generation --
-- Max. displays --
Intel UHD Graphics 630 GPU name
 
 

Artificial Intelligence and Machine Learning

-- AI specifications --
-- AI hardware --
 
 

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.
Decode / Encode h264 --
Decode VC-1 --
Decode / Encode h265 / HEVC (10 bit) --
Decode / Encode h265 / HEVC (8 bit) --
Decode / Encode VP9 --
Decode / Encode JPEG --
No AV1 --
Decode / Encode VP8 --
Decode / Encode AVC --
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 64.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 42.7 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
DDR4-2666 Memory type
64.0 GB Max. Memory 0 bytes
2 Memory channels --
42.7 GB/s Bandwidth --
pci PCIe pci
No ECC No
Yes AES-NI No
 
 

Thermal Management

The processor has a thermal design power (TDP) of 65 W watts.
TDP indicates the cooling solution needed to effectively manage the processor's heat. It generally provides an approximate indication of the actual power consumption of the CPU itself.
The processor has a thermal design power (TDP) of 5.5 W watts.
65 W TDP (PL1 / PBP) 5.5 W
100 °C Tjunction max 100 °C
 
 

Technical details

The Intel Core i5-8400B is manufactured using a 14 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 9.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Pentium M 753 is manufactured using a 90 nm process.
14 nm Technology 90 nm
x86-64 (64 bit) Instruction set (ISA) x86-32 (32 bit)
Technical data sheet Documents Technical data sheet
BGA 1440 Socket BGA 479
-- Part Number --
VT-x, VT-x EPT, VT-d Virtualization None
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux
SSE4.1, SSE4.2, AVX2 ISA extensions
Monolithic Chip design Monolithic
Coffee Lake S Architecture Dothan
260 $ Release price --
0 bytes L2-Cache 2.0 MB
Q2/2018 Release date 2005
9.0 MB L3-Cache 0 bytes
 
 

Benchmarks