AMD EPYC 7451 vs AMD FX-6120

Last updated: 2024-04-12

CPU comparison with benchmarks


AMD EPYC 7451		AMD FX-6120
CPU comparison AMD EPYC 7451 or AMD FX-6120 - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results. The AMD EPYC 7451 has 24 cores with 48 threads and clocks with a maximum frequency of 3.20 GHz. Up to GB of memory is supported in 8 memory channels. The AMD EPYC 7451 was released in Q3/2017. The AMD FX-6120 has 6 cores with 6 threads and clocks with a maximum frequency of 4.10 GHz. The CPU supports up to GB of memory in 2 memory channels. The AMD FX-6120 was released in Q2/2012.

AMD EPYC (129)	Family	AMD FX (30)
AMD EPYC 7001 (12)	CPU group	AMD FX-6100/6200 (3)
1	Generation	1
Naples (Zen)	Architecture	Zambezi (Bulldozer)
Desktop / Server	Segment	Desktop / Server
--	Predecessor	--
--	Successor	--

CPU Cores and Base Frequency The AMD EPYC 7451 has 24 CPU cores and can calculate 48 threads in parallel. The clock frequency of the AMD EPYC 7451 is 2.30 GHz (3.20 GHz) while the AMD FX-6120 has 6 CPU cores and 6 threads can calculate simultaneously. The clock frequency of the AMD FX-6120 is at 3.50 GHz (4.10 GHz).
AMD EPYC 7451	Characteristic	AMD FX-6120
24	Cores	6
48	Threads	6
normal	Core architecture	normal
Yes	Hyperthreading	No
No	Overclocking ?	Yes
2.30 GHz	Frequency	3.50 GHz
3.20 GHz	Turbo Frequency (1 Core)	4.10 GHz
2.90 GHz	Turbo Frequency (All Cores)	4.10 GHz


NPU AI performance The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.
AMD EPYC 7451	Characteristic	AMD FX-6120
--	AI hardware	--
--	AI specifications	--
--	NPU + CPU + iGPU	--

Integrated graphics (iGPU) The AMD EPYC 7451 or AMD FX-6120 has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
no iGPU	GPU	no iGPU
	GPU frequency	--
--	GPU (Turbo)	--
--	GPU Generation	--
	Technology
	Max. displays
--	Compute units	--
--	Shader	--
No	Hardware Raytracing	No
No	Frame Generation	No
--	Max. GPU Memory	--
--	DirectX Version	--

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.
no iGPU	GPU	no iGPU
No	Codec h265 / HEVC (8 bit)	No
No	Codec h265 / HEVC (10 bit)	No
No	Codec h264	No
No	Codec VP9	No
No	Codec VP8	No
No	Codec AV1	No
No	Codec AVC	No
No	Codec VC-1	No
No	Codec JPEG	No

Memory & PCIe The AMD EPYC 7451 can use up to GB of memory in 8 memory channels. The maximum memory bandwidth is 170.6 GB/s. The AMD FX-6120 supports up to GB of memory in 2 memory channels and achieves a memory bandwidth of up to 29.9 GB/s.
AMD EPYC 7451	Characteristic	AMD FX-6120
DDR4-2666	Memory	DDR3-1866
	Max. Memory
8 (Octa Channel)	Memory channels	2 (Dual Channel)
170.6 GB/s	Max. Bandwidth	29.9 GB/s
Yes	ECC	Yes
--	L2 Cache	--
64.00 MB	L3 Cache	8.00 MB
3.0	PCIe version	--
128	PCIe lanes	--
126.1 GB/s	PCIe Bandwidth	--
Thermal Management The thermal design power (TDP for short) of the AMD EPYC 7451 is 180 W, while the AMD FX-6120 has a TDP of 95 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.
AMD EPYC 7451	Characteristic	AMD FX-6120
180 W	TDP (PL1 / PBP)	95 W
--	TDP (PL2)	--
--	TDP up	--
--	TDP down	--
--	Tjunction max.	--
Technical details The AMD EPYC 7451 is manufactured in 14 nm and has 64.00 MB cache. The AMD FX-6120 is manufactured in 32 nm and has a 8.00 MB cache.

AMD EPYC 7451	Characteristic	AMD FX-6120
14 nm	Technology	32 nm
Chiplet	Chip design	Unknown
x86-64 (64 bit)	Instruction set (ISA)	x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2, AVX2, FMA3	ISA extensions	SSE4.1, SSE4.2, AVX
SP3	Socket	AM3+
AMD-V, SVM	Virtualization	AMD-V
Yes	AES-NI	Yes
Windows 10, Linux	Operating systems	Windows 10, Linux
Q3/2017	Release date	Q2/2012
2400 $	Release price	--

show more data		show more data

AMD EPYC 7451 24C 48T @ 2.30 GHz (3.20 GHz) buy now on Amazon and save! AMD FX-6120 6C 6T @ 3.50 GHz (4.10 GHz) buy now on Amazon and save!

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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks

AMD EPYC 7451 (100%)

AMD FX-6120 (56%)

⌀ Multi core performance in 2 CPU benchmarks

AMD EPYC 7451 (100%)

AMD FX-6120 (20%)

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.


	AMD EPYC 7451 24C 48T @ 3.20 GHz	884 (100%)
	AMD FX-6120 6C 6T @ 4.10 GHz	497 (56%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.


	AMD EPYC 7451 24C 48T @ 2.90 GHz	14671 (100%)
	AMD FX-6120 6C 6T @ 4.10 GHz	1833 (12%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.


	AMD EPYC 7451 24C 48T @ 2.90 GHz	20479 (100%)
	AMD FX-6120 6C 6T @ 4.10 GHz	5801 (28%)

Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.


	AMD EPYC 7451 24C 48T @ 3.20 GHz	317 (100%)
	AMD FX-6120 6C 6T @ 4.10 GHz	0 (0%)

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.


	AMD EPYC 7451 24C 48T @ 2.90 GHz	6768 (100%)
	AMD FX-6120 6C 6T @ 4.10 GHz	0 (0%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.


	AMD EPYC 7451 24C 48T @ 3.20 GHz	141 (100%)
	AMD FX-6120 6C 6T @ 4.10 GHz	0 (0%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.


	AMD EPYC 7451 24C 48T @ 2.90 GHz	3277 (100%)
	AMD FX-6120 6C 6T @ 4.10 GHz	0 (0%)

Devices using this processor
AMD EPYC 7451	AMD FX-6120
Unknown	Unknown

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