EPYC 7643 vs Athlon 3000G

Primary details

Comparing Athlon 3000G and EPYC 7643 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1681	38
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	5.27	6.71
Market segment	Desktop processor	Server
Series	AMD Athlon	AMD EPYC
Power efficiency	7.63	20.14
Architecture codename	Zen+ (2018−2019)	Milan (2021−2023)
Release date	7 November 2019 (5 years ago)	12 January 2021 (3 years ago)
Launch price (MSRP)	$49	$4,995

Cost-effectiveness evaluation

Performance per price, higher is better.

EPYC 7643 has 27% better value for money than Athlon 3000G.

Detailed specifications

Athlon 3000G and EPYC 7643 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	2 (Dual-core)	48 (Octatetraconta-Core)
Threads	4	96
Base clock speed	3.5 GHz	2.3 GHz
Boost clock speed	3.5 GHz	3.6 GHz
Bus type	PCIe 3.0	no data
Multiplier	35	23
L1 cache	192 KB	3 MB
L2 cache	1 MB	24 MB
L3 cache	4 MB (shared)	256 MB (shared)
Chip lithography	14 nm	7 nm+
Die size	209.78 mm2?	8x 81 mm2
Number of transistors	4940 Million	33,200 million
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	+	-

Compatibility

Information on Athlon 3000G and EPYC 7643 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 (Uniprocessor)	2
Socket	AM4	SP3
Power consumption (TDP)	35 Watt	225 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon 3000G and EPYC 7643. You'll probably need this information if you require some particular technology.

AES-NI	+	+
AVX	+	+
PowerNow	+	-
Precision Boost 2	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon 3000G and EPYC 7643 are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon 3000G and EPYC 7643. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4 Dual-channel	DDR4-3200
Maximum memory size	64 GB?	4 TiB
Maximum memory bandwidth	42.671 GB/s	204.795 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

AMD Radeon Vega 3

N/A

Peripherals

Specifications and connection of peripherals supported by Athlon 3000G and EPYC 7643.

PCIe version	3.0	4.0
PCI Express lanes	6	128

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.

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Pros & cons summary

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Performance score	2.82	47.88
Recency	7 November 2019	12 January 2021
Physical cores	2	48
Threads	4	96
Chip lithography	14 nm	7 nm
Power consumption (TDP)	35 Watt	225 Watt

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Should you still have questions on choice between Athlon 3000G and EPYC 7643, ask them in Comments section, and we shall answer.

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