AMD Ryzen 9 5900X vs AMD Ryzen 9 7900

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CPU comparison with benchmarks

-VS-

CPU lineage

AMD Ryzen 9 5900X or AMD Ryzen 9 5900X – 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 5900X features 12 processor cores and has the capability to manage 24 threads concurrently.
It was released in Q4/2020 and belongs to the 4 generation of the AMD Ryzen 9 series.
To use the AMD Ryzen 9 5900X, you'll need a motherboard with a AM4 (PGA 1331) socket.
The AMD Ryzen 9 7900 features 12 processor cores and has the capability to manage 24 threads concurrently.
It was released in Q1/2023 and belongs to the 6 generation of the AMD Ryzen 9 series.
To use the AMD Ryzen 9 7900, you'll need a motherboard with a AM5 (LGA 1718) socket.
AMD Ryzen 5000 Group AMD Ryzen 7000
4 Generation 6
Desktop / Server Segment Desktop / Server
AMD Ryzen 9 5900X Name AMD Ryzen 9 7900
AMD Ryzen 9 Family AMD Ryzen 9
 
 

CPU Cores and Base Frequency

The AMD Ryzen 9 5900X has 12 CPU cores and can calculate 24 threads in parallel.
The clock frequency of the AMD Ryzen 9 5900X is 3.7 GHz
and turbo frequency for one core is 4.8 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
The AMD Ryzen 9 7900 has 12 CPU cores and can calculate 24 threads in parallel.
The clock frequency of the AMD Ryzen 9 7900 is 3.7 GHz
and turbo frequency for one core is 5.4 GHz.
24 Threads 24
12x Cores 12x Zen 4
12 CPU Cores 12
normal Core architecture normal
Yes Hyperthreading Yes
Yes Overclocking Yes
4.8 GHz Turbo Frequency (1 core) 5.4 GHz
3.7 GHz Frequency 3.7 GHz
 
 

Internal Graphics

The AMD Ryzen 9 5900X does not have integrated graphics.
The AMD Ryzen 9 7900 has integrated graphics, called iGPU for short.
Specifically, the AMD Ryzen 9 7900 uses the AMD Radeon Graphics (Raphael), which has 128 texture shaders
and 2 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
-- Shaders 128
-- Release date Q3/2022
-- Technology 5 nm
-- Direct X 12
0 bytes Max. GPU Memory 8.0 GB
-- Max. displays --
-- Execution units 2
-- GPU frequency 0.4 GHz
-- Generation 9
-- GPU (Turbo) 2.2 GHz
GPU name AMD Radeon Graphics (Raphael)
 
 

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 83.2 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 DDR5-5200
Yes ECC Yes
128.0 GB Max. Memory 128.0 GB
2 Memory channels 2
51.2 GB/s Bandwidth 83.2 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 65 W watts.
142 W TDP (PL2) 88 W
None TDP up 170 W
105 W TDP (PL1 / PBP) 65 W
90 °C Tjunction max 95 °C
 
 

Technical details

The AMD Ryzen 9 5900X 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 7900 is manufactured using a 5 nm process.
Q4/2020 Release date Q1/2023
AMD-V, SVM Virtualization AMD-V, SVM
SSE4a, SSE4.1, SSE4.2, FMA3, AVX2 ISA extensions SSE4a, SSE4.1, SSE4.2, FMA3, AVX2, AVX512
7 nm Technology 5 nm
Chiplet Chip design Chiplet
549 $ Release price --
Vermeer (Zen 3) Architecture Raphael (Zen 4)
64.0 MB L3-Cache 64.0 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 AM5 (LGA 1718)
6.0 MB L2-Cache 12.0 MB
 
 

Benchmarks

Estimated results for PassMark CPU Mark

AMD Ryzen 9 7900
12C 24T @ 3.7 GHz
49250
49250
AMD Ryzen 9 5900X
12C 24T @ 3.7 GHz
39295
39295

Cinebench R23 (Multi-Core)

AMD Ryzen 9 7900
12C 24T @ 3.7 GHz
28905
28905
AMD Ryzen 9 5900X
12C 24T @ 3.7 GHz
21878
21878

Geekbench 5, 64bit (Multi-Core)

AMD Ryzen 9 7900
12C 24T @ 3.7 GHz
21140
21140
AMD Ryzen 9 5900X
12C 24T @ 3.7 GHz
14515
14515

Geekbench 6 (Multi-Core)

AMD Ryzen 9 7900
12C 24T @ 3.7 GHz
16832
16832
AMD Ryzen 9 5900X
12C 24T @ 3.7 GHz
12637
12637

Cinebench R20 (Multi-Core)

AMD Ryzen 9 7900
12C 24T @ 3.7 GHz
11088
11088
AMD Ryzen 9 5900X
12C 24T @ 3.7 GHz
8491
8491

Cinebench R15 (Multi-Core)

AMD Ryzen 9 7900
12C 24T @ 3.7 GHz
4796
4796
AMD Ryzen 9 5900X
12C 24T @ 3.7 GHz
3684
3684

Geekbench 6 (Single-Core)

AMD Ryzen 9 7900
12C 24T @ 3.7 GHz
2798
2798
AMD Ryzen 9 5900X
12C 24T @ 3.7 GHz
2199
2199

Geekbench 5, 64bit (Single-Core)

AMD Ryzen 9 7900
12C 24T @ 3.7 GHz
2206
2206
AMD Ryzen 9 5900X
12C 24T @ 3.7 GHz
1727
1727

Cinebench R23 (Single-Core)

AMD Ryzen 9 7900
12C 24T @ 3.7 GHz
1964
1964
AMD Ryzen 9 5900X
12C 24T @ 3.7 GHz
1636
1636

Cinebench R20 (Single-Core)

AMD Ryzen 9 7900
12C 24T @ 3.7 GHz
764
764
AMD Ryzen 9 5900X
12C 24T @ 3.7 GHz
637
637

Cinebench R15 (Single-Core)

AMD Ryzen 9 7900
12C 24T @ 3.7 GHz
314
314
AMD Ryzen 9 5900X
12C 24T @ 3.7 GHz
270
270