AMD EPYC 7251 vs AMD Ryzen 7 1800X

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CPU comparison with benchmarks

-VS-

CPU lineage

AMD EPYC 7251 or AMD EPYC 7251 – 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 EPYC 7251 features 8 processor cores and has the capability to manage 16 threads concurrently.
It was released in Q3/2017 and belongs to the 1 generation of the AMD EPYC series.
To use the AMD EPYC 7251, you'll need a motherboard with a SP3 socket.
The AMD Ryzen 7 1800X features 8 processor cores and has the capability to manage 16 threads concurrently.
It was released in Q1/2017 and belongs to the 1 generation of the AMD Ryzen 7 series.
To use the AMD Ryzen 7 1800X, you'll need a motherboard with a AM4 (PGA 1331) socket.
Desktop / Server Segment Desktop / Server
AMD EPYC 7251 Name AMD Ryzen 7 1800X
AMD EPYC 7001 Group AMD Ryzen 1000
1 Generation 1
AMD EPYC Family AMD Ryzen 7
 
 

CPU Cores and Base Frequency

The AMD EPYC 7251 has 8 CPU cores and can calculate 16 threads in parallel.
The clock frequency of the AMD EPYC 7251 is 2.1 GHz
and turbo frequency for one core is 2.9 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
The AMD Ryzen 7 1800X has 8 CPU cores and can calculate 16 threads in parallel.
The clock frequency of the AMD Ryzen 7 1800X is 3.6 GHz
and turbo frequency for one core is 4.0 GHz.
8 CPU Cores 8
2.9 GHz Turbo Frequency (1 core) 4.0 GHz
8x Cores 8x
2.9 GHz Turbo Frequency (all cores) 3.8 GHz
16 Threads 16
Yes Hyperthreading Yes
2.1 GHz Frequency 3.6 GHz
normal Core architecture normal
No Overclocking Yes
 
 

Internal Graphics

The AMD EPYC 7251 does not have integrated graphics.
The AMD Ryzen 7 1800X does not have integrated graphics.
-- Direct X --
-- Execution units --
0 bytes Max. GPU Memory 0 bytes
-- Max. displays --
-- Release date --
-- GPU (Turbo) --
-- Shaders --
GPU name
-- Generation --
-- GPU frequency --
-- Technology --
 
 

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 --
-- AVC --
-- h265 / HEVC (8 bit) --
-- AV1 --
-- VC-1 --
-- h264 --
-- VP9 --
-- h265 / HEVC (10 bit) --
-- JPEG --
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 64.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 42.7 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
DDR4-2666 Memory type DDR4-2666
153.6 GB/s Bandwidth 42.7 GB/s
Yes ECC Yes
8 Memory channels 2
pci PCIe pci
Yes AES-NI Yes
0 bytes Max. Memory 64.0 GB
 
 

Thermal Management

The processor has a thermal design power (TDP) of 120 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 95 W watts.
-- Tjunction max 95 °C
120 W TDP (PL1 / PBP) 95 W
 
 

Technical details

The AMD EPYC 7251 is manufactured using a 14 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 32.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The AMD Ryzen 7 1800X is manufactured using a 14 nm process.
In total, this processor boasts a generous 16.0 MB cache.
Chiplet Chip design Monolithic
32.0 MB L3-Cache 16.0 MB
SP3 Socket AM4 (PGA 1331)
Technical data sheet Documents Technical data sheet
Windows 10, Linux Operating systems Windows 10, Linux
0 bytes L2-Cache 0 bytes
Q3/2017 Release date Q1/2017
Naples (Zen) Architecture Summit Ridge (Zen)
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
450 $ Release price 450 $
SSE4a, SSE4.1, SSE4.2, FMA3, AVX2 ISA extensions SSE4a, SSE4.1, SSE4.2, FMA3, AVX2
AMD-V, SVM Virtualization AMD-V, SVM
-- Part Number --
14 nm Technology 14 nm
 
 

Benchmarks

Geekbench 3, 64bit (Multi-Core)

AMD Ryzen 7 1800X
8C 16T @ 3.6 GHz
30932
30932
AMD EPYC 7251
8C 16T @ 2.1 GHz
18947
18947

Estimated results for PassMark CPU Mark

AMD Ryzen 7 1800X
8C 16T @ 3.6 GHz
16325
16325
AMD EPYC 7251
8C 16T @ 2.1 GHz
14936
14936

Geekbench 5, 64bit (Multi-Core)

AMD Ryzen 7 1800X
8C 16T @ 3.6 GHz
6344
6344
AMD EPYC 7251
8C 16T @ 2.1 GHz
4634
4634

Geekbench 3, 64bit (Single-Core)

AMD Ryzen 7 1800X
8C 16T @ 3.6 GHz
4356
4356
AMD EPYC 7251
8C 16T @ 2.1 GHz
3410
3410

Cinebench R15 (Multi-Core)

AMD Ryzen 7 1800X
8C 16T @ 3.6 GHz
1617
1617
AMD EPYC 7251
8C 16T @ 2.1 GHz
1093
1093

Geekbench 5, 64bit (Single-Core)

AMD Ryzen 7 1800X
8C 16T @ 3.6 GHz
932
932
AMD EPYC 7251
8C 16T @ 2.1 GHz
783
783

Cinebench R15 (Single-Core)

AMD Ryzen 7 1800X
8C 16T @ 3.6 GHz
163
163
AMD EPYC 7251
8C 16T @ 2.1 GHz
128
128

Cinebench R11.5, 64bit (Multi-Core)

AMD Ryzen 7 1800X
8C 16T @ 3.6 GHz
18.0
18.0
AMD EPYC 7251
8C 16T @ 2.1 GHz
11.0
11.0

Cinebench R11.5, 64bit (Single-Core)

AMD Ryzen 7 1800X
8C 16T @ 3.6 GHz
2.0
2.0
AMD EPYC 7251
8C 16T @ 2.1 GHz
1.6
1.6