AMD Ryzen 9 3950X vs AMD Ryzen Threadripper 3970X

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Ryzen 9 3950X compared with Ryzen Threadripper 3970X

	AMDRyzen 9 3950X	AMDRyzen Threadripper 3970X
Overview
Released
Released	November 2019	November 2019
Cores and clocks
Cores
Cores	16	32 (better)
Threads
Threads	32	64 (better)
Base clock
Base clock	3.5 GHz	3.7 GHz
Boost clock
Boost clock	4.7 GHz (better)	4.5 GHz
L3 cache
L3 cache	64 MB	128 MB (better)
Cores
Cores	Zen 2; Matisse; sixteen cores with simultaneous multithreading. Two fully enabled eight-core CPU chiplets (PC Perspective).	Castle Peak; Zen 2 architecture; boxed product ID 100-100000011WOF. Requires sTRX4/TRX40, incompatible with sTR4/X399 motherboards. AMD confirms worldwide first availability on 25 November 2019, after its 7 November announcement.
Clocks
Clocks	Unlocked for overclocking; Precision Boost 2.	Maximum boost up to 4.5 GHz; unlocked for overclocking
Cache
Cache	1024 KB L1; 8 MB L2; 64 MB L3.	L1 2048 KB; L2 16 MB; the advertised 144 MB combined cache includes L2 and L3
Graphics and AI
Built-in graphics
Built-in graphics	No	No
Graphics
Graphics	No integrated graphics; a separate graphics card is required.	A separate graphics card is required
Platform
Socket
Socket	AM4	sTRX4
Base power
Base power	105 W	280 W
Unlocked
Unlocked	Yes	Yes
Cooler in the box
Cooler in the box	No	No
Memory support
Memory support	DDR4 UDIMM; two channels; up to 128 GB. Two single-rank or dual-rank modules support 3200 MT/s; four single-rank modules 2933 MT/s and four dual-rank modules 2667 MT/s. ECC requires motherboard support.	DDR4; four channels; up to 3200 MT/s
PCIe
PCIe	PCIe 4.0; 24 native lanes in total, 20 usable. X570 adds 16 usable PCIe 4.0 lanes.	PCIe 4.0; AMD publishes 88 lanes across the processor and TRX40 chipset, with 72 usable
Chipsets
Chipsets	AMD lists X570, X470, X370 and B450; check the motherboard's CPU support list and BIOS.	–
Process
Process	TSMC 7nm FinFET CPU cores.	CPU cores: TSMC 7 nm FinFET
Cooler
Cooler	No cooler included; liquid cooling recommended. AMD's November launch notice recommends an AIO with at least a 280 mm radiator. Maximum operating temperature 95°C.	No cooler included; maximum operating temperature 95°C