AMD Ryzen 9 7900X
VS
AMD Ryzen 9 3900X
AMD Ryzen 9 7900X
VS
AMD Ryzen 9 3900X

Which to select

What to choose and what is the difference between AMD Ryzen 9 7900X and AMD Ryzen 9 3900X? Which processor is more powerful and faster to accomplish your task? The processor with the best specifications and a winner in benchmarks is your choice!

CPU generation and family

Processor nomenclature, family, group and segment.

AMD Ryzen 9 7900X
Name
Desktop / Server
Segment
AMD Ryzen 7000
CPU group
AMD Ryzen 9
Family
6
Generation
AMD Ryzen 9 5900X
Predecessor
--
Successor

CPU Cores and Base Frequency

What to choose AMD Ryzen 9 7900X or AMD Ryzen 9 3900X? The greater the value of the characteristic (highlighted in green), the better.

4.70 GHz
Frequency
3.80 GHz
no data
CPU Cores
12
no data
Turbo (1 Core)
4.60 GHz
no data
CPU Threads
24
no data
Hyperthreading
Yes
Yes
Overclocking
Yes
no data
Turbo (12 Cores)
4.20 GHz
normal
Core architecture
12 / 24
CPU Cores / Threads
no data
Yes
Hyperthreading / SMT
no data
12x
Cores
no data
5.60 GHz
Turbo Frequency (1 Core)
no data
5.40 GHz
Turbo Frequency (12 Cores)
no data

Internal Graphics

The graphics chip allows the processor to perform complex calculation and display tasks. The more memory and the higher the clock frequency, the better. Determine the winner, who has the better chip? AMD Ryzen 9 7900X or AMD Ryzen 9 3900X. 

AMD Radeon Graphics (Raphael)
GPU name
0.40 GHz
GPU frequency
2.20 GHz
GPU (Turbo)
No turbo
9
Generation
2
Execution units
128
Shader
no data
Max. Memory
--
3
Max. displays
5 nm
Technology
Q3/2022
Release date
8 GB
Max. GPU Memory
12
Direct X
no data

Hardware codec support

Technical information that will be of interest to specialists and does not affect the performance of the processor. It can be skipped in the comparison.

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

Memory & PCIe

The interfaces and standards of RAM that the processor supports. The more modern the standard and the larger the memory capacity, the better.

DDR5-5200
Memory type
DDR4 1600-3200
128 GB
Max. Memory
128 GB
2 (Dual Channel)
Memory channels
2
Yes
ECC
Yes
no data
PCIe version
4.0
no data
PCIe lanes
20
83.2 GB/s
Bandwidth
no data
5.0 x 24
PCIe
no data
Yes
AES-NI
no data

Memory & PCIe

Encryption

Data encryption standards supported by CPUs

no data
AES-NI
Yes

Thermal Management

TDP is the maximum amount of heat generated by the processor. It is used when selecting a cooling system. The higher the TDP, the more heat the cooling system will have to dissipate.

no data
TDP
105 W
95 °C
Tjunction max.
95 °C
--
TDP up
--
--
TDP down
--
230 W
TDP (PL2)
170 W
TDP (PL1 / PBP)
no data

Technical details

These are key parameters that will help you determine which CPU is better. Pay special attention to the release date, technological aspects of the manufacturing process (measured in nanometers), and the third-level cache (L3).

64.00 MB
L3-Cache
64.00 MB
5 nm
Technology
7 nm
Raphael (Zen 4)
Architecture
Zen 2
AMD-V, SVM
Virtualization
AMD-V, SEV
AM5 (LGA 1718)
Socket
AM4
Q4/2022
Release date
Q3/2019
no data
Market price
ca. 485 $
x86-64 (64 bit)
Instruction set (ISA)
12.00 MB
L2-Cache
6.00 MB
100-100000589WOF
Part Number
100-100000023BOX
SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512
ISA extensions
Chiplet
Chip design
no data
Windows 10, Windows 11, Linux
Operating systems
no data
549 $
Release price
no data
Technical data sheet
Documents
no data

Devices using this processor

Devices that can use this type of processor, desktop or laptop.

no data
Used in
PC

User rating

0.0 Out of 0 CpusData Score AMD Ryzen 9 7900X
0.0 Out of 0 CpusData Score AMD Ryzen 9 3900X