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Castle Peak
General Info
Designer	AMD
Introduction	2019 (announced) 2019 (launched)
Microarchitecture
ISA	x86-64
Microarchitecture	Zen +/2
Word Size	8 octets 16 nibbles 64 bit
Process	12/7 nm "/7nm" is not declared as a valid unit of measurement for this property.
Technology	CMOS
Packaging
Package	TR4, FCLGA-4094 (FC-OLGA)
Dimension	75.4 mm 7.54 cm 2.969 in × 58.5 mm 5.85 cm 2.303 in × 6.26 mm 0.246 in
Pitch	0.87 mm 0.0343 in × 1 mm 0.0394 in
Contacts	4094
Socket	TR4, SP3r2, sTR4
Succession
Colfax

Castle Peak is codename for AMD's highest-performance enthusiasts microprocessors based on the Zen 2/Zen+ microarchitecture, serving as a successor to Colfax. Those processors are expected to be fabricated on a 7 nm process or on a 12 nm process.

Preliminary Data! Information presented in this article deal with future products, data, features, and specifications that have yet to be finalized, announced, or released. Information may be incomplete and can change by final release.

Overview

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Common Features

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Castle Peak Processors

	List of Castle Peak Processors
Model	Family	Price	Launched	Cores	Threads	TDP	L2$	L3$	Base	Turbo
3960X	Ryzen Threadripper	$ 1,399.00 € 1,259.10 £ 1,133.19 ¥ 144,558.67	25 November 2019	24	48	280 W 280,000 mW 0.375 hp 0.28 kW	12 MiB 12,288 KiB 12,582,912 B 0.0117 GiB	128 MiB 131,072 KiB 134,217,728 B 0.125 GiB	3.8 GHz 3,800 MHz 3,800,000 kHz	4.5 GHz 4,500 MHz 4,500,000 kHz
3970X	Ryzen Threadripper	$ 1,999.00 € 1,799.10 £ 1,619.19 ¥ 206,556.67	25 November 2019	32	64	280 W 280,000 mW 0.375 hp 0.28 kW	16 MiB 16,384 KiB 16,777,216 B 0.0156 GiB	128 MiB 131,072 KiB 134,217,728 B 0.125 GiB	3.7 GHz 3,700 MHz 3,700,000 kHz	4.5 GHz 4,500 MHz 4,500,000 kHz
3980X	Ryzen Threadripper			48	96	280 W 280,000 mW 0.375 hp 0.28 kW	24 MiB 24,576 KiB 25,165,824 B 0.0234 GiB		3.2 GHz 3,200 MHz 3,200,000 kHz	4.5 GHz 4,500 MHz 4,500,000 kHz
3990X	Ryzen Threadripper	$ 3,990.00 € 3,591.00 £ 3,231.90 ¥ 412,286.70	7 February 2020	64	128	280 W 280,000 mW 0.375 hp 0.28 kW	32 MiB 32,768 KiB 33,554,432 B 0.0313 GiB	256 MiB 262,144 KiB 268,435,456 B 0.25 GiB	2.9 GHz 2,900 MHz 2,900,000 kHz	4.3 GHz 4,300 MHz 4,300,000 kHz
PRO 3945WX	Ryzen Threadripper		14 July 2020	12	24	280 W 280,000 mW 0.375 hp 0.28 kW	6 MiB 6,144 KiB 6,291,456 B 0.00586 GiB	64 MiB 65,536 KiB 67,108,864 B 0.0625 GiB	4 GHz 4,000 MHz 4,000,000 kHz	4.3 GHz 4,300 MHz 4,300,000 kHz
PRO 3955WX	Ryzen Threadripper		14 July 2020	16	32	280 W 280,000 mW 0.375 hp 0.28 kW	8 MiB 8,192 KiB 8,388,608 B 0.00781 GiB	64 MiB 65,536 KiB 67,108,864 B 0.0625 GiB	3.9 GHz 3,900 MHz 3,900,000 kHz	4.3 GHz 4,300 MHz 4,300,000 kHz
PRO 3975WX	Ryzen Threadripper		14 July 2020	32	64	280 W 280,000 mW 0.375 hp 0.28 kW	16 MiB 16,384 KiB 16,777,216 B 0.0156 GiB	128 MiB 131,072 KiB 134,217,728 B 0.125 GiB	3.5 GHz 3,500 MHz 3,500,000 kHz	4.2 GHz 4,200 MHz 4,200,000 kHz
PRO 3995WX	Ryzen Threadripper		14 July 2020	64	128	280 W 280,000 mW 0.375 hp 0.28 kW	32 MiB 32,768 KiB 33,554,432 B 0.0313 GiB	256 MiB 262,144 KiB 268,435,456 B 0.25 GiB	2.7 GHz 2,700 MHz 2,700,000 kHz	4.2 GHz 4,200 MHz 4,200,000 kHz
Count: 8