EPYC 7H12 vs FX-8120

Primary Details

Comparing FX-8120 and EPYC 7H12 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1273	38
Place by popularity	not in top-100	not in top-100
Cost-Effectiveness Evaluation	2.74	22.44
Market segment	Desktop processor	Server
Series	no data	AMD EPYC
Architecture codename	Zambezi (2011−2012)	Zen 2 (2019−2020)
Release date	12 October 2011 (12 years ago)	18 September 2019 (4 years ago)
Current price	$68	$1970

Cost-Effectiveness Evaluation

Performance per price, higher is better.

EPYC 7H12 has 719% better value for money than FX-8120.

Detailed Specifications

FX-8120 and EPYC 7H12 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores	8 (Octa-Core)	64 (Tetrahexaconta-Core)
Threads	8	128
Base clock speed	3.1 GHz	2.6 GHz
Boost clock speed	4 GHz	3.3 GHz
L1 cache	384 KB	96K (per core)
L2 cache	8192 KB	512K (per core)
L3 cache	8192 KB	256 MB (shared)
Chip lithography	32 nm	7 nm, 14 nm
Die size	315 mm2	192 mm2
Maximum core temperature	61 °C	no data
Number of transistors	1,200 million	4,800 million
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	Yes	Yes
P0 Vcore voltage	Min: 1.0125 V - Max: 1.4125 V	no data

Compatibility

Information on FX-8120 and EPYC 7H12 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration	1	2 (Multiprocessor)
Socket	AM3+	TR4
Power consumption (TDP)	125 Watt	280 Watt

Technologies and extensions

Technological solutions and additional instructions supported by FX-8120 and EPYC 7H12. You'll probably need this information if you require some particular technology.

AES-NI	+	+
FMA	+	no data
AVX	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by FX-8120 and EPYC 7H12 are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by FX-8120 and EPYC 7H12. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4 Eight-channel
Maximum memory size	no data	4 TiB
Max memory channels	no data	8
Maximum memory bandwidth	no data	204.763 GB/s
ECC memory support	no data	+

Peripherals

Specifications and connection of peripherals supported by FX-8120 and EPYC 7H12.

PCIe version

n/a

no data

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

EPYC 7H12 outperforms FX-8120 by 955% based on our aggregated benchmark results.

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Pros & Cons Summary

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Performance score	4.20	44.32
Recency	12 October 2011	18 September 2019
Physical cores	8	64
Threads	8	128
Chip lithography	32 nm	7 nm
Power consumption (TDP)	125 Watt	280 Watt

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Should you still have questions on choice between FX-8120 and EPYC 7H12, ask them in Comments section, and we shall answer.

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