Intel Core i5-8400H vs Intel Core i7-4790

Last updated:

CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i5-8400H or Intel Core i5-8400H – 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 i5-8400H features 4 processor cores and has the capability to manage 8 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 i5-8400H, you'll need a motherboard with a BGA 1440 socket.
The Intel Core i7-4790 features 4 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q2/2014 and belongs to the 4 generation of the Intel Core i7 series.
To use the Intel Core i7-4790, you'll need a motherboard with a LGA 1150 socket.
Intel Core i 8000H Group Intel Core i 4000
8 Generation 4
Intel Core i5-8400H Name Intel Core i7-4790
Mobile Segment Desktop / Server
Intel Core i5 Family Intel Core i7
 
 

CPU Cores and Base Frequency

The Intel Core i5-8400H has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the Intel Core i5-8400H is 2.5 GHz
and turbo frequency for one core is 4.2 GHz.
The Intel Core i7-4790 has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the Intel Core i7-4790 is 3.6 GHz
and turbo frequency for one core is 4.0 GHz.
3.7 GHz Turbo Frequency (all cores) 3.8 GHz
4.2 GHz Turbo Frequency (1 core) 4.0 GHz
normal Core architecture normal
2.5 GHz Frequency 3.6 GHz
4 CPU Cores 4
No Overclocking No
Yes Hyperthreading Yes
4x Cores 4x
8 Threads 8
 
 

Internal Graphics

The Intel Core i5-8400H has integrated graphics, called iGPU for short.
Specifically, the Intel Core i5-8400H uses the Intel HD 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 Core i7-4790 has integrated graphics, called iGPU for short.
Specifically, the Intel Core i7-4790 uses the Intel HD Graphics 4600, which has 160 texture shaders
and 20 execution units.
1.1 GHz GPU (Turbo) 1.2 GHz
14 nm Technology 22 nm
12 Direct X 11.1
64.0 GB Max. GPU Memory 2.0 GB
24 Execution units 20
Q2/2016 Release date Q2/2013
Intel HD Graphics 630 GPU name Intel HD Graphics 4600
192 Shaders 160
0.3 GHz GPU frequency 0.35 GHz
9.5 Generation 7.5
-- Max. displays --
 
 

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

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.
The processor supports a maximum memory capacity of 32.0 GB distributed across 2 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.
DDR4-2666 Memory type DDR3-1600
42.7 GB/s Bandwidth 25.6 GB/s
Yes AES-NI Yes
No ECC No
pci PCIe pci
64.0 GB Max. Memory 32.0 GB
2 Memory channels 2
 
 

Thermal Management

The processor has a thermal design power (TDP) of 45 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 84 W watts.
45 W TDP (PL1 / PBP) 84 W
-- Tjunction max --
 
 

Technical details

The Intel Core i5-8400H 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 8.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Core i7-4790 is manufactured using a 22 nm process.
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
14 nm Technology 22 nm
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4.1, SSE4.2, AVX2
-- Part Number --
Monolithic Chip design Monolithic
Q2/2018 Release date Q2/2014
-- Release price 280 $
0 bytes L2-Cache 0 bytes
Technical data sheet Documents Technical data sheet
8.0 MB L3-Cache 8.0 MB
BGA 1440 Socket LGA 1150
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux
Coffee Lake H Architecture Haswell S
 
 

Benchmarks

Geekbench 3, 64bit (Multi-Core)

Intel Core i5-8400H
4C 8T @ 2.5 GHz
15783
15783
Intel Core i7-4790
4C 8T @ 3.6 GHz
15097
15097

Geekbench 3, 64bit (Single-Core)

Intel Core i5-8400H
4C 8T @ 2.5 GHz
4449
4449
Intel Core i7-4790
4C 8T @ 3.6 GHz
3911
3911

Geekbench 6 (Multi-Core)

Intel Core i7-4790
4C 8T @ 3.6 GHz
4081
4081
Intel Core i5-8400H
4C 8T @ 2.5 GHz
3826
3826

Geekbench 5, 64bit (Multi-Core)

Intel Core i7-4790
4C 8T @ 3.6 GHz
3732
3732
Intel Core i5-8400H
4C 8T @ 2.5 GHz
3534
3534

Geekbench 6 (Single-Core)

Intel Core i5-8400H
4C 8T @ 2.5 GHz
1296
1296
Intel Core i7-4790
4C 8T @ 3.6 GHz
1217
1217

Cinebench R15 (Multi-Core)

Intel Core i5-8400H
4C 8T @ 2.5 GHz
819
819
Intel Core i7-4790
4C 8T @ 3.6 GHz
728
728

Cinebench R15 (Single-Core)

Intel Core i5-8400H
4C 8T @ 2.5 GHz
178
178
Intel Core i7-4790
4C 8T @ 3.6 GHz
145
145