Intel Core i5-12400F vs Intel Core i7-940

Last updated:

CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i5-12400F or Intel Core i5-12400F – 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 i5-12400F features 6 processor cores and has the capability to manage 12 threads concurrently.
It was released in Q1/2022 and belongs to the 12 generation of the Intel Core i5 series.
To use the Intel Core i5-12400F, you'll need a motherboard with a LGA 1700 socket.
The Intel Core i7-940 features 4 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q4/2008 and belongs to the 1 generation of the Intel Core i7 series.
To use the Intel Core i7-940, you'll need a motherboard with a LGA 1366 socket.
12 Generation 1
Desktop / Server Segment Desktop / Server
Intel Core i5 Family Intel Core i7
Intel Core i5-12400F Name Intel Core i7-940
Intel Core i 12000 Group Intel Core i7 900
 
 

CPU Cores and Base Frequency

The Intel Core i5-12400F has 6 CPU cores and can calculate 12 threads in parallel.
The clock frequency of the Intel Core i5-12400F is 2.5 GHz
and turbo frequency for one core is 4.4 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
The Intel Core i7-940 has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the Intel Core i7-940 is 2.93 GHz
and turbo frequency for one core is 3.2 GHz.
No Overclocking No
2.5 GHz Frequency 2.93 GHz
normal Core architecture normal
6 CPU Cores 4
Yes Hyperthreading Yes
4.0 GHz Turbo Frequency (all cores) None
4.4 GHz Turbo Frequency (1 core) 3.2 GHz
12 Threads 8
6x Golden Cove Cores 4x
 
 

Internal Graphics

The Intel Core i5-12400F does not have integrated graphics.
The Intel Core i7-940 does not have integrated graphics.
-- Technology --
GPU name
-- Generation --
0 bytes Max. GPU Memory 0 bytes
-- Direct X --
-- Release date --
-- Execution units --
-- GPU (Turbo) --
-- Shaders --
-- Max. displays --
-- GPU frequency --
 
 

Artificial Intelligence and Machine Learning

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

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.
-- AV1 --
-- VP8 --
-- VP9 --
-- h264 --
-- AVC --
-- JPEG --
-- h265 / HEVC (10 bit) --
-- VC-1 --
-- h265 / HEVC (8 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 76.8 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
The processor supports a maximum memory capacity of 24.0 GB distributed across 3 memory channels. It offers a peak memory bandwidth of 25.6 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
2 Memory channels 3
pci PCIe pci
Yes AES-NI No
No ECC No
128.0 GB Max. Memory 24.0 GB
DDR4-3200, DDR5-4800 Memory type DDR3-1066
76.8 GB/s Bandwidth 25.6 GB/s
 
 

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 130 W watts.
100 °C Tjunction max --
65 W TDP (PL1 / PBP) 130 W
117 W TDP (PL2) None
 
 

Technical details

The Intel Core i5-12400F is manufactured using a 10 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 18.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Core i7-940 is manufactured using a 45 nm process.
In total, this processor boasts a generous 8.0 MB cache.
Technical data sheet Documents Technical data sheet
7.5 MB L2-Cache 1.0 MB
LGA 1700 Socket LGA 1366
-- Part Number BX80601940
167 $ Release price 305 $
Q1/2022 Release date Q4/2008
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux
18.0 MB L3-Cache 8.0 MB
Monolithic Chip design Monolithic
Alder Lake S Architecture Bloomfield
10 nm Technology 45 nm
SSE4.1, SSE4.2, AVX2, AVX2+ ISA extensions SSE4.1, SSE4.2