AMD Ryzen 9 3900XT vs AMD Ryzen 9 3900X

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CPU comparison with benchmarks

-VS-

CPU lineage

AMD Ryzen 9 3900XT or AMD Ryzen 9 3900XT – 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 3900XT features 12 processor cores and has the capability to manage 24 threads concurrently.
It was released in Q2/2020 and belongs to the 3 generation of the AMD Ryzen 9 series.
To use the AMD Ryzen 9 3900XT, you'll need a motherboard with a AM4 (PGA 1331) socket.
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.
Desktop / Server Segment Desktop / Server
AMD Ryzen 9 3900XT Name AMD Ryzen 9 3900X
AMD Ryzen 9 Family AMD Ryzen 9
3 Generation 3
AMD Ryzen 3000 Group AMD Ryzen 3000
 
 

CPU Cores and Base Frequency

The AMD Ryzen 9 3900XT has 12 CPU cores and can calculate 24 threads in parallel.
The clock frequency of the AMD Ryzen 9 3900XT is 4.1 GHz
and turbo frequency for one core is 4.7 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
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.
4.7 GHz Turbo Frequency (1 core) 4.6 GHz
Yes Overclocking Yes
normal Core architecture normal
4.1 GHz Frequency 3.8 GHz
24 Threads 24
Yes Hyperthreading Yes
12 CPU Cores 12
12x Cores 12x
 
 

Internal Graphics

The AMD Ryzen 9 3900XT does not have integrated graphics.
The AMD Ryzen 9 3900X 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
Yes 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 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.
95 °C Tjunction max 95 °C
142 W TDP (PL2) 142 W
105 W TDP (PL1 / PBP) 105 W
 
 

Technical details

The AMD Ryzen 9 3900XT 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 9 3900X is manufactured using a 7 nm process.
Q2/2020 Release date Q3/2019
-- Part Number --
0 bytes L2-Cache 6.0 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
-- Release price 485 $
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
64.0 MB L3-Cache 64.0 MB
 
 

Benchmarks

Estimated results for PassMark CPU Mark

AMD Ryzen 9 3900XT
12C 24T @ 4.1 GHz
32790
32790
AMD Ryzen 9 3900X
12C 24T @ 3.8 GHz
32755
32755

Cinebench R23 (Multi-Core)

AMD Ryzen 9 3900XT
12C 24T @ 4.1 GHz
18511
18511
AMD Ryzen 9 3900X
12C 24T @ 3.8 GHz
18165
18165

Geekbench 5, 64bit (Multi-Core)

AMD Ryzen 9 3900XT
12C 24T @ 4.1 GHz
12974
12974
AMD Ryzen 9 3900X
12C 24T @ 3.8 GHz
12454
12454

Geekbench 6 (Multi-Core)

AMD Ryzen 9 3900X
12C 24T @ 3.8 GHz
10689
10689
AMD Ryzen 9 3900XT
12C 24T @ 4.1 GHz
10689
10689

CPU-Z Benchmark 17 (Multi-Core)

AMD Ryzen 9 3900X
12C 24T @ 3.8 GHz
8183
8183
AMD Ryzen 9 3900XT
12C 24T @ 4.1 GHz
8118
8118

Cinebench R20 (Multi-Core)

AMD Ryzen 9 3900XT
12C 24T @ 4.1 GHz
7244
7244
AMD Ryzen 9 3900X
12C 24T @ 3.8 GHz
6954
6954

Cinebench R15 (Multi-Core)

AMD Ryzen 9 3900XT
12C 24T @ 4.1 GHz
3192
3192
AMD Ryzen 9 3900X
12C 24T @ 3.8 GHz
3168
3168

Geekbench 6 (Single-Core)

AMD Ryzen 9 3900XT
12C 24T @ 4.1 GHz
1719
1719
AMD Ryzen 9 3900X
12C 24T @ 3.8 GHz
1714
1714

Geekbench 5, 64bit (Single-Core)

AMD Ryzen 9 3900XT
12C 24T @ 4.1 GHz
1414
1414
AMD Ryzen 9 3900X
12C 24T @ 3.8 GHz
1300
1300

Cinebench R23 (Single-Core)

AMD Ryzen 9 3900XT
12C 24T @ 4.1 GHz
1354
1354
AMD Ryzen 9 3900X
12C 24T @ 3.8 GHz
1302
1302

Cinebench R20 (Single-Core)

AMD Ryzen 9 3900XT
12C 24T @ 4.1 GHz
539
539
AMD Ryzen 9 3900X
12C 24T @ 3.8 GHz
502
502

Cinebench R15 (Single-Core)

AMD Ryzen 9 3900XT
12C 24T @ 4.1 GHz
219
219
AMD Ryzen 9 3900X
12C 24T @ 3.8 GHz
214
214

Monero Hashrate kH/s

AMD Ryzen 9 3900X
12C 24T @ 3.8 GHz
14
14
AMD Ryzen 9 3900XT
12C 24T @ 4.1 GHz
14
14

AMD Ryzen 9 3900XT and AMD Ryzen 9 3900X in leaderboards