AMD Ryzen 9 3900X vs Intel Core i5-9400H

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CPU comparison with benchmarks

-VS-

CPU lineage

AMD Ryzen 9 3900X or AMD Ryzen 9 3900X – 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 AMD Ryzen 9 3900X features 12 processor cores and has the capability to manage 24 threads concurrently.
It was released in Q3/2019 and belongs to the 3 generation of the AMD Ryzen 9 series.
To use the AMD Ryzen 9 3900X, you'll need a motherboard with a AM4 (PGA 1331) socket.
The Intel Core i5-9400H features 4 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q2/2019 and belongs to the 9 generation of the Intel Core i5 series.
To use the Intel Core i5-9400H, you'll need a motherboard with a BGA 1440 socket.
Desktop / Server Segment Mobile
AMD Ryzen 9 3900X Name Intel Core i5-9400H
AMD Ryzen 9 Family Intel Core i5
3 Generation 9
AMD Ryzen 3000 Group Intel Core i 9000H
 
 

CPU Cores and Base Frequency

The AMD Ryzen 9 3900X has 12 CPU cores and can calculate 24 threads in parallel.
The clock frequency of the AMD Ryzen 9 3900X is 3.8 GHz
and turbo frequency for one core is 4.6 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
The Intel Core i5-9400H has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the Intel Core i5-9400H is 2.5 GHz
and turbo frequency for one core is 4.3 GHz.
4.6 GHz Turbo Frequency (1 core) 4.3 GHz
Yes Overclocking No
normal Core architecture normal
3.8 GHz Frequency 2.5 GHz
24 Threads 8
Yes Hyperthreading Yes
12 CPU Cores 4
12x Cores 4x
 
 

Internal Graphics

The AMD Ryzen 9 3900X does not have integrated graphics.
The Intel Core i5-9400H has integrated graphics, called iGPU for short.
Specifically, the Intel Core i5-9400H 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.
-- GPU frequency 0.35 GHz
-- Release date Q4/2017
-- Direct X 12
GPU name Intel UHD Graphics 630
-- Technology 14 nm
-- Max. displays --
-- Shaders 192
0 bytes Max. GPU Memory 64.0 GB
-- Execution units 24
-- Generation 9.5
-- GPU (Turbo) 1.1 GHz
 
 

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

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 51.2 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 128.0 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.
2 Memory channels 2
128.0 GB Max. Memory 128.0 GB
pci PCIe pci
Yes AES-NI Yes
Yes ECC No
51.2 GB/s Bandwidth 42.7 GB/s
DDR4-3200 Memory type DDR4-2666, LPDDR3-2133
 
 

Thermal Management

The processor has a thermal design power (TDP) of 105 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 45 W watts.
95 °C Tjunction max 100 °C
142 W TDP (PL2) None
105 W TDP (PL1 / PBP) 45 W
None TDP down 35 W
 
 

Technical details

The AMD Ryzen 9 3900X is manufactured using a 7 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 64.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Core i5-9400H is manufactured using a 14 nm process.
In total, this processor boasts a generous 8.0 MB cache.
Q3/2019 Release date Q2/2019
-- Part Number --
6.0 MB L2-Cache 0 bytes
AMD-V, SVM Virtualization VT-x, VT-x EPT, VT-d
SSE4a, SSE4.1, SSE4.2, FMA3, AVX2 ISA extensions SSE4.1, SSE4.2, AVX2
Chiplet Chip design Monolithic
Matisse (Zen 2) Architecture Coffee Lake H Refresh
7 nm Technology 14 nm
AM4 (PGA 1331) Socket BGA 1440
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux, Windows 11
485 $ Release price 250 $
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
64.0 MB L3-Cache 8.0 MB
 
 

Benchmarks

Estimated results for PassMark CPU Mark

AMD Ryzen 9 3900X
12C 24T @ 3.8 GHz
32755
32755
Intel Core i5-9400H
4C 8T @ 2.5 GHz
8120
8120

Geekbench 5, 64bit (Multi-Core)

AMD Ryzen 9 3900X
12C 24T @ 3.8 GHz
12454
12454
Intel Core i5-9400H
4C 8T @ 2.5 GHz
3897
3897

Geekbench 6 (Multi-Core)

AMD Ryzen 9 3900X
12C 24T @ 3.8 GHz
10689
10689
Intel Core i5-9400H
4C 8T @ 2.5 GHz
4225
4225

Cinebench R15 (Multi-Core)

AMD Ryzen 9 3900X
12C 24T @ 3.8 GHz
3168
3168
Intel Core i5-9400H
4C 8T @ 2.5 GHz
834
834

Geekbench 6 (Single-Core)

AMD Ryzen 9 3900X
12C 24T @ 3.8 GHz
1714
1714
Intel Core i5-9400H
4C 8T @ 2.5 GHz
1341
1341

Geekbench 5, 64bit (Single-Core)

AMD Ryzen 9 3900X
12C 24T @ 3.8 GHz
1300
1300
Intel Core i5-9400H
4C 8T @ 2.5 GHz
1119
1119

AMD Ryzen 9 3900X and Intel Core i5-9400H in leaderboards