AMD Ryzen 9 3900X vs Intel Core i9-9820X

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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 i9-9820X features 10 processor cores and has the capability to manage 20 threads concurrently.
It was released in Q4/2018 and belongs to the 9 generation of the Intel Core i9 series.
To use the Intel Core i9-9820X, you'll need a motherboard with a LGA 2066 socket.
Desktop / Server Segment Desktop / Server
AMD Ryzen 9 3900X Name Intel Core i9-9820X
AMD Ryzen 9 Family Intel Core i9
3 Generation 9
AMD Ryzen 3000 Group Intel Core i 9000X
 
 

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 i9-9820X has 10 CPU cores and can calculate 20 threads in parallel.
The clock frequency of the Intel Core i9-9820X is 3.3 GHz
and turbo frequency for one core is 4.2 GHz.
4.6 GHz Turbo Frequency (1 core) 4.2 GHz
Yes Overclocking Yes
normal Core architecture normal
3.8 GHz Frequency 3.3 GHz
24 Threads 20
Yes Hyperthreading Yes
12 CPU Cores 10
12x Cores 10x
 
 

Internal Graphics

The AMD Ryzen 9 3900X does not have integrated graphics.
The Intel Core i9-9820X does not have integrated graphics.
-- GPU frequency --
-- Release date --
-- Direct X --
GPU name
-- Technology --
-- Max. displays --
-- Shaders --
0 bytes Max. GPU Memory 0 bytes
-- Execution units --
-- Generation --
-- GPU (Turbo) --
 
 

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

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 4 memory channels. It offers a peak memory bandwidth of 85.4 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
2 Memory channels 4
128.0 GB Max. Memory 128.0 GB
pci PCIe pci
Yes AES-NI Yes
Yes ECC No
51.2 GB/s Bandwidth 85.4 GB/s
DDR4-3200 Memory type DDR4-2666
 
 

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 165 W watts.
95 °C Tjunction max 95 °C
142 W TDP (PL2) None
105 W TDP (PL1 / PBP) 165 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 i9-9820X is manufactured using a 14 nm process.
In total, this processor boasts a generous 17.0 MB cache.
Q3/2019 Release date Q4/2018
-- 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, AVX-512
Chiplet Chip design Monolithic
Matisse (Zen 2) Architecture Skylake X Refresh
7 nm Technology 14 nm
AM4 (PGA 1331) Socket LGA 2066
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux, Windows 11
485 $ Release price 889 $
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
64.0 MB L3-Cache 17.0 MB
 
 

Benchmarks

Estimated results for PassMark CPU Mark

AMD Ryzen 9 3900X
12C 24T @ 3.8 GHz
32755
32755
Intel Core i9-9820X
10C 20T @ 3.3 GHz
19671
19671

Geekbench 5, 64bit (Multi-Core)

AMD Ryzen 9 3900X
12C 24T @ 3.8 GHz
12454
12454
Intel Core i9-9820X
10C 20T @ 3.3 GHz
10465
10465

Geekbench 6 (Multi-Core)

AMD Ryzen 9 3900X
12C 24T @ 3.8 GHz
10689
10689
Intel Core i9-9820X
10C 20T @ 3.3 GHz
9361
9361

CPU-Z Benchmark 17 (Multi-Core)

AMD Ryzen 9 3900X
12C 24T @ 3.8 GHz
8183
8183
Intel Core i9-9820X
10C 20T @ 3.3 GHz
5380
5380

Cinebench R20 (Multi-Core)

AMD Ryzen 9 3900X
12C 24T @ 3.8 GHz
6954
6954
Intel Core i9-9820X
10C 20T @ 3.3 GHz
4677
4677

Cinebench R15 (Multi-Core)

AMD Ryzen 9 3900X
12C 24T @ 3.8 GHz
3168
3168
Intel Core i9-9820X
10C 20T @ 3.3 GHz
1987
1987

Geekbench 6 (Single-Core)

AMD Ryzen 9 3900X
12C 24T @ 3.8 GHz
1714
1714
Intel Core i9-9820X
10C 20T @ 3.3 GHz
1394
1394

Geekbench 5, 64bit (Single-Core)

AMD Ryzen 9 3900X
12C 24T @ 3.8 GHz
1300
1300
Intel Core i9-9820X
10C 20T @ 3.3 GHz
1121
1121

Cinebench R20 (Single-Core)

AMD Ryzen 9 3900X
12C 24T @ 3.8 GHz
502
502
Intel Core i9-9820X
10C 20T @ 3.3 GHz
422
422

Cinebench R15 (Single-Core)

AMD Ryzen 9 3900X
12C 24T @ 3.8 GHz
214
214
Intel Core i9-9820X
10C 20T @ 3.3 GHz
184
184

Blender 2.81 (bmw27)

Intel Core i9-9820X
10C 20T @ 3.3 GHz
155.6
155.6
AMD Ryzen 9 3900X
12C 24T @ 3.8 GHz
115.9
115.9

AMD Ryzen 9 3900X and Intel Core i9-9820X in leaderboards