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.
AMD Ryzen 3000 Group Intel Core i 9000H
3 Generation 9
Desktop / Server Segment Mobile
AMD Ryzen 9 3900X Name Intel Core i5-9400H
AMD Ryzen 9 Family Intel Core i5
 
 

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.
24 Threads 8
12x Cores 4x
12 CPU Cores 4
normal Core architecture normal
Yes Hyperthreading Yes
Yes Overclocking No
4.6 GHz Turbo Frequency (1 core) 4.3 GHz
3.8 GHz Frequency 2.5 GHz
 
 

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.
-- Shaders 192
-- Release date Q4/2017
-- Technology 14 nm
-- Direct X 12
0 bytes Max. GPU Memory 64.0 GB
-- Max. displays --
-- Execution units 24
-- GPU frequency 0.35 GHz
-- Generation 9.5
-- GPU (Turbo) 1.1 GHz
GPU name Intel UHD Graphics 630
 
 

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

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

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.
142 W TDP (PL2) None
None TDP down 35 W
105 W TDP (PL1 / PBP) 45 W
95 °C Tjunction max 100 °C
 
 

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
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
7 nm Technology 14 nm
Chiplet Chip design Monolithic
485 $ Release price 250 $
Matisse (Zen 2) Architecture Coffee Lake H Refresh
64.0 MB L3-Cache 8.0 MB
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux, Windows 11
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
-- Part Number --
AM4 (PGA 1331) Socket BGA 1440
6.0 MB L2-Cache 0 bytes
 
 

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