AMD Ryzen 9 3900 vs AMD Ryzen 7 3700X

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CPU comparison with benchmarks

-VS-

CPU lineage

AMD Ryzen 9 3900 or AMD Ryzen 9 3900 – 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 3900 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 3900, you'll need a motherboard with a AM4 (PGA 1331) socket.
The AMD Ryzen 7 3700X features 8 processor cores and has the capability to manage 16 threads concurrently.
It was released in Q3/2019 and belongs to the 3 generation of the AMD Ryzen 7 series.
To use the AMD Ryzen 7 3700X, you'll need a motherboard with a AM4 (PGA 1331) socket.
Desktop / Server Segment Desktop / Server
AMD Ryzen 9 3900 Name AMD Ryzen 7 3700X
AMD Ryzen 9 Family AMD Ryzen 7
3 Generation 3
AMD Ryzen 3000 Group AMD Ryzen 3000
 
 

CPU Cores and Base Frequency

The AMD Ryzen 9 3900 has 12 CPU cores and can calculate 24 threads in parallel.
The clock frequency of the AMD Ryzen 9 3900 is 3.1 GHz
and turbo frequency for one core is 4.3 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
The AMD Ryzen 7 3700X has 8 CPU cores and can calculate 16 threads in parallel.
The clock frequency of the AMD Ryzen 7 3700X is 3.6 GHz
and turbo frequency for one core is 4.4 GHz.
4.3 GHz Turbo Frequency (1 core) 4.4 GHz
Yes Overclocking Yes
normal Core architecture normal
3.1 GHz Frequency 3.6 GHz
24 Threads 16
None None 4.0 GHz
Yes Hyperthreading Yes
12 CPU Cores 8
12x Cores 8x
 
 

Internal Graphics

The AMD Ryzen 9 3900 does not have integrated graphics.
The AMD Ryzen 7 3700X 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.
2 Memory channels 2
128.0 GB Max. Memory 128.0 GB
pci PCIe pci
Yes AES-NI Yes
No ECC Yes
51.2 GB/s Bandwidth 51.2 GB/s
DDR4-3200 Memory type DDR4-3200
 
 

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.
95 °C Tjunction max 95 °C
65 W TDP (PL1 / PBP) 65 W
 
 

Technical details

The AMD Ryzen 9 3900 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 AMD Ryzen 7 3700X is manufactured using a 7 nm process.
In total, this processor boasts a generous 32.0 MB cache.
Q3/2019 Release date Q3/2019
-- Part Number --
0 bytes L2-Cache 4.0 MB
AMD-V, SVM Virtualization AMD-V, SVM
SSE4a, SSE4.1, SSE4.2, FMA3, AVX2 ISA extensions SSE4a, SSE4.1, SSE4.2, FMA3, AVX2
Chiplet Chip design Chiplet
Matisse (Zen 2) Architecture Matisse (Zen 2)
7 nm Technology 7 nm
AM4 (PGA 1331) Socket AM4 (PGA 1331)
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux, Windows 11
485 $ Release price 330 $
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
64.0 MB L3-Cache 32.0 MB
 
 

Benchmarks

Estimated results for PassMark CPU Mark

AMD Ryzen 9 3900
12C 24T @ 3.1 GHz
30688
30688
AMD Ryzen 7 3700X
8C 16T @ 3.6 GHz
22674
22674

Cinebench R23 (Multi-Core)

AMD Ryzen 9 3900
12C 24T @ 3.1 GHz
16555
16555
AMD Ryzen 7 3700X
8C 16T @ 3.6 GHz
12355
12355

Geekbench 5, 64bit (Multi-Core)

AMD Ryzen 9 3900
12C 24T @ 3.1 GHz
11432
11432
AMD Ryzen 7 3700X
8C 16T @ 3.6 GHz
8732
8732

Geekbench 6 (Multi-Core)

AMD Ryzen 9 3900
12C 24T @ 3.1 GHz
10260
10260
AMD Ryzen 7 3700X
8C 16T @ 3.6 GHz
8693
8693

CPU-Z Benchmark 17 (Multi-Core)

AMD Ryzen 9 3900
12C 24T @ 3.1 GHz
7586
7586
AMD Ryzen 7 3700X
8C 16T @ 3.6 GHz
5447
5447

Geekbench 6 (Single-Core)

AMD Ryzen 9 3900
12C 24T @ 3.1 GHz
1688
1688
AMD Ryzen 7 3700X
8C 16T @ 3.6 GHz
1637
1637

Cinebench R23 (Single-Core)

AMD Ryzen 7 3700X
8C 16T @ 3.6 GHz
1294
1294
AMD Ryzen 9 3900
12C 24T @ 3.1 GHz
1281
1281

Geekbench 5, 64bit (Single-Core)

AMD Ryzen 7 3700X
8C 16T @ 3.6 GHz
1252
1252
AMD Ryzen 9 3900
12C 24T @ 3.1 GHz
1234
1234

Blender 3.1 Benchmark

AMD Ryzen 9 3900
12C 24T @ 3.1 GHz
234
234
AMD Ryzen 7 3700X
8C 16T @ 3.6 GHz
173
173

Monero Hashrate kH/s

AMD Ryzen 9 3900
12C 24T @ 3.1 GHz
13
13
AMD Ryzen 7 3700X
8C 16T @ 3.6 GHz
9.3
9.3