Athlon II X4 620 vs Ryzen Threadripper 3970X

Primary details

Comparing Ryzen Threadripper 3970X and Athlon II X4 620 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	54	2180
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	23.94	3.43
Market segment	Desktop processor	Desktop processor
Series	AMD Ryzen Threadripper	no data
Architecture codename	Matisse (2019−2020)	Propus (2009−2011)
Release date	25 November 2019 (4 years ago)	September 2009 (14 years ago)
Launch price (MSRP)	$1,999	$65
Current price	$1675 (0.8x MSRP)	$27 (0.4x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Ryzen Threadripper 3970X has 598% better value for money than Athlon II X4 620.

Detailed specifications

Ryzen Threadripper 3970X and Athlon II X4 620 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)	4 (Quad-Core)
Threads	64	4
Base clock speed	3.7 GHz	no data
Boost clock speed	4.5 GHz	2.6 GHz
Bus support	8 × 16 GT/s	no data
L1 cache	96K (per core)	128 KB (per core)
L2 cache	512K (per core)	512 KB (per core)
L3 cache	128 MB	0 KB
Chip lithography	7 nm, 12 nm	45 nm
Die size	no data	169 mm2
Number of transistors	19,200 million	300 million
64 bit support	+	+
Windows 11 compatibility	+	-
Unlocked multiplier	Yes	No

Compatibility

Information on Ryzen Threadripper 3970X and Athlon II X4 620 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	AM3
Power consumption (TDP)	280 Watt	95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen Threadripper 3970X and Athlon II X4 620. You'll probably need this information if you require some particular technology.

AES-NI	+	no data
AVX	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen Threadripper 3970X and Athlon II X4 620 are enumerated here.

AMD-V

+

no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen Threadripper 3970X and Athlon II X4 620. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4 Eight-channel	DDR3
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

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 Athlon II X4 620 by 3045% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	40.89	1.30
Physical cores	32	4
Threads	64	4
Cost	$1999	$65
Chip lithography	7 nm	45 nm
Power consumption (TDP)	280 Watt	95 Watt

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Should you still have questions on choice between Ryzen Threadripper 3970X and Athlon II X4 620, ask them in Comments section, and we shall answer.

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