Intel Core i5-10400F vs Intel Celeron 420

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i5-10400F or Intel Core i5-10400F – 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 i5-10400F features 6 processor cores and has the capability to manage 12 threads concurrently.
It was released in Q2/2020 and belongs to the 10 generation of the Intel Core i5 series.
To use the Intel Core i5-10400F, you'll need a motherboard with a LGA 1200 socket.
The Intel Celeron 420 features 1 processor cores and has the capability to manage 1 threads concurrently.
It was released in Q2/2007 and belongs to the 1 generation of the Intel Celeron series.
To use the Intel Celeron 420, you'll need a motherboard with a LGA 775 socket.
Intel Core i5 Family Intel Celeron
Desktop / Server Segment Desktop / Server
Intel Core i5-10400F Name Intel Celeron 420
Intel Core i 10000 Group Intel Celeron 400
10 Generation 1
 
 

CPU Cores and Base Frequency

The Intel Core i5-10400F has 6 CPU cores and can calculate 12 threads in parallel.
The clock frequency of the Intel Core i5-10400F is 2.9 GHz
and turbo frequency for one core is 4.3 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
The Intel Celeron 420 has 1 CPU cores and can calculate 1 threads in parallel.
The clock frequency of the Intel Celeron 420 is 1.6 GHz
The processor has one core only.
6x Cores 1x Core
4.0 GHz Turbo Frequency (all cores) None
2.9 GHz Frequency 1.6 GHz
6 CPU Cores 1
normal Core architecture normal
Yes Hyperthreading No
No Overclocking No
12 Threads 1
4.3 GHz Turbo Frequency (1 core) None
 
 

Internal Graphics

The Intel Core i5-10400F does not have integrated graphics.
The Intel Celeron 420 does not have integrated graphics.
-- GPU (Turbo) --
-- Release date --
-- Execution units --
-- Direct X --
-- Max. displays --
-- Shaders --
GPU name
-- GPU frequency --
0 bytes Max. GPU Memory 0 bytes
-- Generation --
-- Technology --
 
 

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.
-- VP8 --
-- VP9 --
-- AVC --
-- h264 --
-- JPEG --
-- VC-1 --
-- AV1 --
-- h265 / HEVC (8 bit) --
-- h265 / HEVC (10 bit) --
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 128.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 45.8 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
Yes AES-NI No
128.0 GB Max. Memory 16.0 GB
45.8 GB/s Bandwidth --
DDR4-2666 Memory type DDR3-1066, DDR2-800
pci PCIe pci
2 Memory channels 2
No ECC 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 35 W watts.
65 W TDP (PL1 / PBP) 35 W
100 °C Tjunction max --
 
 

Technical details

The Intel Core i5-10400F 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 12.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Celeron 420 is manufactured using a 65 nm process.
Technical data sheet Documents Technical data sheet
Q2/2020 Release date Q2/2007
LGA 1200 Socket LGA 775
0 bytes L2-Cache 512.0 KB
12.0 MB L3-Cache 0 bytes
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
-- Part Number --
Comet Lake S Architecture Conroe (Core)
VT-x, VT-x EPT, VT-d Virtualization None
157 $ Release price --
SSE4.1, SSE4.2, AVX2 ISA extensions SSE3, MMX, SSE, SSE2
Monolithic Chip design Monolithic
14 nm Technology 65 nm