AMD Ryzen 9 7900X vs AMD EPYC 9454P

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CPU comparison with benchmarks

-VS-

CPU lineage

AMD Ryzen 9 7900X or AMD Ryzen 9 7900X – 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 7900X features 12 processor cores and has the capability to manage 24 threads concurrently.
It was released in Q4/2022 and belongs to the 6 generation of the AMD Ryzen 9 series.
To use the AMD Ryzen 9 7900X, you'll need a motherboard with a AM5 (LGA 1718) socket.
The AMD EPYC 9454P features 48 processor cores and has the capability to manage 96 threads concurrently.
It was released in Q4/2022 and belongs to the 4 generation of the AMD EPYC series.
To use the AMD EPYC 9454P, you'll need a motherboard with a SP5 socket.
Desktop / Server Segment Desktop / Server
AMD Ryzen 9 7900X Name AMD EPYC 9454P
AMD Ryzen 9 Family AMD EPYC
6 Generation 4
AMD Ryzen 7000 Group AMD EPYC 9004
 
 

CPU Cores and Base Frequency

The AMD Ryzen 9 7900X has 12 CPU cores and can calculate 24 threads in parallel.
The clock frequency of the AMD Ryzen 9 7900X is 4.7 GHz
and turbo frequency for one core is 5.6 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
The AMD EPYC 9454P has 48 CPU cores and can calculate 96 threads in parallel.
The clock frequency of the AMD EPYC 9454P is 2.75 GHz
and turbo frequency for one core is 3.8 GHz.
5.6 GHz Turbo Frequency (1 core) 3.8 GHz
Yes Overclocking No
normal Core architecture normal
4.7 GHz Frequency 2.75 GHz
24 Threads 96
Yes Hyperthreading Yes
12 CPU Cores 48
12x Cores 48x Zen 4
 
 

Internal Graphics

The AMD Ryzen 9 7900X has integrated graphics, called iGPU for short.
Specifically, the AMD Ryzen 9 7900X 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.
The AMD EPYC 9454P does not have integrated graphics.
0.4 GHz GPU frequency --
Q3/2022 Release date --
12 Direct X --
AMD Radeon Graphics (Raphael) GPU name
5 nm Technology --
-- Max. displays --
128 Shaders --
8.0 GB Max. GPU Memory 0 bytes
2 Execution units --
9 Generation --
2.2 GHz 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.
Decode / Encode AVC --
Decode VC-1 --
Decode / Encode VP9 --
Decode / Encode h265 / HEVC (10 bit) --
Decode / Encode h264 --
Decode / Encode VP8 --
Decode / Encode h265 / HEVC (8 bit) --
Decode / Encode JPEG --
No 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 83.2 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 6.0 TB distributed across 12 memory channels. It offers a peak memory bandwidth of 461.0 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
2 Memory channels 12
128.0 GB Max. Memory 6.0 TB
pci PCIe pci
Yes AES-NI Yes
Yes ECC Yes
83.2 GB/s Bandwidth 461.0 GB/s
DDR5-5200 Memory type DDR5-4800
 
 

Thermal Management

The processor has a thermal design power (TDP) of 170 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 290 W watts.
None TDP up 300 W
95 °C Tjunction max 100 °C
230 W TDP (PL2) None
170 W TDP (PL1 / PBP) 290 W
None TDP down 240 W
 
 

Technical details

The AMD Ryzen 9 7900X is manufactured using a 5 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 EPYC 9454P is manufactured using a 5 nm process.
In total, this processor boasts a generous 256.0 MB cache.
Q4/2022 Release date Q4/2022
100-100000589WOF Part Number 100-000000873
12.0 MB L2-Cache 48.0 MB
AMD-V, SVM Virtualization AMD-V, SVM
SSE4a, SSE4.1, SSE4.2, FMA3, AVX2, AVX512 ISA extensions SSE4.2, AVX2, AVX-512, BFLOAT16, VNNI
Chiplet Chip design Chiplet
Raphael (Zen 4) Architecture Genoa (Zen 4)
5 nm Technology 5 nm
AM5 (LGA 1718) Socket SP5
Windows 10, Linux, Windows 11 Operating systems Linux, Windows 11, Windows Server 2022
549 $ Release price 4598 $
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
64.0 MB L3-Cache 256.0 MB