A9-9420 vs Ryzen Threadripper 3970X

Primary details

Comparing Ryzen Threadripper 3970X and A9-9420 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	54	2398
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	24.25	no data
Market segment	Desktop processor	Laptop
Series	AMD Ryzen Threadripper	AMD Bristol Ridge
Architecture codename	Matisse (2019−2020)	Stoney Ridge (2016−2019)
Release date	25 November 2019 (4 years ago)	31 May 2016 (8 years ago)
Launch price (MSRP)	$1,999	no data
Current price	$1605 (0.8x MSRP)	$440

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Ryzen Threadripper 3970X and A9-9420 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	32 (Dotriaconta-Core)	2 (Dual-core)
Threads	64	2
Base clock speed	3.7 GHz	3 GHz
Boost clock speed	4.5 GHz	3.6 GHz
Bus support	8 × 16 GT/s	no data
L1 cache	96K (per core)	160 KB
L2 cache	512K (per core)	1 MB (shared)
L3 cache	128 MB	no data
Chip lithography	7 nm, 12 nm	28 nm
Die size	no data	125 mm2
Maximum core temperature	no data	90 °C
Maximum case temperature (TCase)	no data	74 °C
Number of transistors	19,200 million	1,200 million
64 bit support	+	+
Windows 11 compatibility	+	-
Unlocked multiplier	Yes	No

Compatibility

Information on Ryzen Threadripper 3970X and A9-9420 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)	1
Socket	TR4	FT4
Power consumption (TDP)	280 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen Threadripper 3970X and A9-9420. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Single-Channel DDR4-2133, Virtualization,
AES-NI	+	+
FMA	no data	+
AVX	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen Threadripper 3970X and A9-9420 are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen Threadripper 3970X and A9-9420. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4 Eight-channel	DDR4
Maximum memory size	256 GB	no data
Max memory channels	4	no data
Maximum memory bandwidth	102.403 GB/s	no data
ECC memory support	+	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

-

Radeon R5

Peripherals

Specifications and connection of peripherals supported by Ryzen Threadripper 3970X and A9-9420.

PCIe version	no data	3.0
PCI Express lanes	no data	8

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.

Ryzen Threadripper 3970X outperforms A9-9420 by 4115% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	40.89	0.97
Recency	25 November 2019	31 May 2016
Physical cores	32	2
Threads	64	2
Chip lithography	7 nm	28 nm
Power consumption (TDP)	280 Watt	15 Watt

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Should you still have questions on choice between Ryzen Threadripper 3970X and A9-9420, ask them in Comments section, and we shall answer.

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