A4-4020 vs Ryzen 9 5900X

Primary details

Comparing Ryzen 9 5900X and A4-4020 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	206	2621
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	32.24	no data
Market segment	Desktop processor	Desktop processor
Series	AMD Ryzen 9	no data
Power efficiency	22.18	1.16
Architecture codename	Vermeer (Zen3) (2020−2022)	Richland (2013−2014)
Release date	5 November 2020 (4 years ago)	January 2014 (10 years ago)
Launch price (MSRP)	$549	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Ryzen 9 5900X and A4-4020 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	12 (Dodeca-Core)	2 (Dual-core)
Threads	24	2
Base clock speed	3.7 GHz	3.2 GHz
Boost clock speed	4.8 GHz	3.4 GHz
Multiplier	37	no data
L1 cache	64K (per core)	96K
L2 cache	512K (per core)	1 MB (shared)
L3 cache	64 MB	no data
Chip lithography	7 nm, 12 nm	32 nm
Die size	2x 74 mm2(CCD) + 125 mm2 (IOD)	246 mm2
Maximum case temperature (TCase)	95 °C	70 °C
Number of transistors	0 Million	1,303 million
64 bit support	+	+
Windows 11 compatibility	+	no data
Unlocked multiplier	+	-

Compatibility

Information on Ryzen 9 5900X and A4-4020 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	1
Socket	AM4	FM2
Power consumption (TDP)	105 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 5900X and A4-4020. You'll probably need this information if you require some particular technology.

Instruction set extensions	86x MMX(+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A,-64, AMD-V, AES, AVX, AVX2, FMA3, SHA, Precision Boost 2	no data
AES-NI	+	+
FMA	-	+
AVX	+	+
PowerNow	-	+
Precision Boost 2	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 5900X and A4-4020 are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 5900X and A4-4020. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-3200	DDR3-1333
Maximum memory size	128 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	51.196 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

-

AMD Radeon HD 7480D

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 5900X and A4-4020.

PCIe version

4.0

2.0

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	24.61	0.80
Physical cores	12	2
Threads	24	2
Chip lithography	7 nm	32 nm
Power consumption (TDP)	105 Watt	65 Watt

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Should you still have questions on choice between Ryzen 9 5900X and A4-4020, ask them in Comments section, and we shall answer.

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